chore(main): release 0.8.5 (#86)

Co-authored-by: garage-ui-release-bot[bot] <285030457+garage-ui-release-bot[bot]@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.github/workflows/build.yml

@@ -1,9 +1,11 @@
-name: Docker Build and Push
+name: build
 
 on:
   push:
     tags:
-      - 'v*'
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-*'
+  workflow_dispatch:
 
 jobs:
   build:

.github/workflows/chart-release.yml

@@ -0,0 +1,81 @@
+name: chart-release
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-*'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pages: write
+  packages: write
+  id-token: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4.3.1
+        with:
+          version: v4.1.3
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.7.0
+        with:
+          charts_dir: helm
+          skip_existing: true
+        env:
+          CR_TOKEN: ${{ secrets.HELM_RELEASE_TOKEN }}
+
+      - name: Install cosign
+        uses: sigstore/cosign-installer@v4.1.2
+
+      - name: Log in to ghcr.io for cosign
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Package and push chart to ghcr.io (OCI)
+        id: oci_push
+        env:
+          GHCR_USER: ${{ github.actor }}
+          GHCR_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          set -euo pipefail
+          chart_version=$(grep -E '^version:' helm/garage-ui/Chart.yaml | awk '{print $2}')
+          echo "Packaging chart version ${chart_version}"
+          helm package helm/garage-ui --destination /tmp/chart
+
+          echo "${GHCR_TOKEN}" | helm registry login ghcr.io \
+            --username "${GHCR_USER}" --password-stdin
+
+          push_output=$(helm push "/tmp/chart/garage-ui-${chart_version}.tgz" \
+            oci://ghcr.io/noooste/charts 2>&1 | tee /dev/stderr)
+
+          digest=$(echo "$push_output" | grep -oE 'sha256:[a-f0-9]{64}' | head -n1)
+          if [ -z "$digest" ]; then
+            echo "Failed to parse pushed digest from helm push output" >&2
+            exit 1
+          fi
+          echo "digest=${digest}" >> "$GITHUB_OUTPUT"
+          echo "Pushed oci://ghcr.io/noooste/charts/garage-ui:${chart_version} (${digest})"
+
+      - name: Sign chart with cosign (keyless)
+        run: |
+          cosign sign --yes \
+            "ghcr.io/noooste/charts/garage-ui@${{ steps.oci_push.outputs.digest }}"

.github/workflows/pr-title.yml

@@ -0,0 +1,38 @@
+name: pr-title
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize, reopened]
+
+permissions:
+  pull-requests: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          types: |
+            feat
+            fix
+            docs
+            chore
+            refactor
+            test
+            ci
+            build
+            perf
+          scopes: |
+            backend
+            frontend
+            helm
+            ci
+            deps
+          requireScope: false
+          subjectPattern: ^[A-Za-z].+[^.]$
+          subjectPatternError: |
+            PR title subject must start with a letter and not end with a period.
+            Example: "feat(helm): add support for extraEnvs"

.github/workflows/release-please.yml

@@ -0,0 +1,27 @@
+name: release-please
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/create-github-app-token@v2
+        id: app-token
+        with:
+          app-id: ${{ secrets.RELEASE_PLEASE_APP_ID }}
+          private-key: ${{ secrets.RELEASE_PLEASE_APP_KEY }}
+
+      - id: rp
+        uses: googleapis/release-please-action@v4
+        with:
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json
+          token: ${{ steps.app-token.outputs.token }}

.github/workflows/release.yml

@@ -1,37 +0,0 @@
-name: Release Charts
-
-on:
-  push:
-    branches:
-      - main
-    paths:
-      - 'helm/garage-ui/**'
-      - '!helm/garage-ui/README.md'
-
-jobs:
-  release:
-    permissions:
-      contents: write
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-
-      - name: Configure Git
-        run: |
-          git config user.name "$GITHUB_ACTOR"
-          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
-
-      - name: Set up Helm
-        uses: azure/setup-helm@v4.3.1
-        with:
-          version: v3.19.3
-
-      - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.7.0
-        with:
-          charts_dir: helm
-        env:
-          CR_TOKEN: "${{ secrets.HELM_RELEASE_TOKEN }}"

.github/workflows/test.yml

@@ -11,6 +11,9 @@ on:
   push:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   unit:
     name: Unit tests + coverage gate
@@ -33,7 +36,7 @@ jobs:
       - name: Run unit tests with race detector and coverage
         run: |
           cd backend
-          go test -race -coverprofile=../coverage.out -coverpkg=./... ./...
+          go test -race -count=1 -coverprofile=../coverage.out -coverpkg=./... ./...
 
       - name: Enforce coverage gate
         run: bash scripts/coverage-gate.sh coverage.out
@@ -45,6 +48,14 @@ jobs:
           name: coverage
           path: coverage.out
 
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: Noooste/garage-ui
+          files: ./coverage.out
+          fail_ci_if_error: false
+
   smoke:
     name: Smoke test (docker compose)
     runs-on: ubuntu-latest
@@ -72,3 +83,4 @@ jobs:
         run: |
           docker compose -p garage-ui-smoke \
             -f backend/tests/smoke/docker-compose.test.yml down -v || true
+

.gitignore

@@ -52,7 +52,7 @@ dist-ssr
 *.sw?
 
 .env*
-!config.yaml.example
+!config.example.yaml
 docker-compose.*.yml
 !backend/tests/smoke/docker-compose.test.yml
 
@@ -63,4 +63,7 @@ garage.toml
 
 backend/docs/
 config.yaml
-docs/**/*.md
+docs/**/*.md
+!docs/garage-setup.md
+
+**/worktrees

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "0.8.5"
+}

CHANGELOG.md

@@ -0,0 +1,90 @@
+# Changelog
+
+## [0.8.5](https://github.com/Noooste/garage-ui/compare/v0.8.4...v0.8.5) (2026-07-03)
+
+
+### Bug Fixes
+
+* **frontend:** add downloadObject function for downloading files from a bucket ([430d1a5](https://github.com/Noooste/garage-ui/commit/430d1a5d68e4f9915a2951d5b31c1b5ea56cb24c))
+
+## [0.8.4](https://github.com/Noooste/garage-ui/compare/v0.8.3...v0.8.4) (2026-06-22)
+
+
+### Bug Fixes
+
+* **helm:** track appVersion in release-please and fix badges ([1ffdfe8](https://github.com/Noooste/garage-ui/commit/1ffdfe83c884dc5e39d071343d5269164746c536))
+
+## [0.8.3](https://github.com/Noooste/garage-ui/compare/v0.8.2...v0.8.3) (2026-06-21)
+
+
+### Bug Fixes
+
+* **backend:** improve API version detection with retry logic for health probes ([46aa375](https://github.com/Noooste/garage-ui/commit/46aa3752c81788787388d1c67e29cef786bdabff))
+* **helm:** update version badges in README for Garage UI ([28c186f](https://github.com/Noooste/garage-ui/commit/28c186f3eba1a1c111100712f1eaec22a5d18eb2))
+
+## [0.8.2](https://github.com/Noooste/garage-ui/compare/v0.8.1...v0.8.2) (2026-06-07)
+
+
+### Bug Fixes
+
+* **backend:** prevent OIDC login loop from empty cookie name ([#76](https://github.com/Noooste/garage-ui/issues/76)) ([22be89b](https://github.com/Noooste/garage-ui/commit/22be89b2ff86465abb90dab0344ef9366ab181b3))
+
+## [0.8.1](https://github.com/Noooste/garage-ui/compare/v0.8.0...v0.8.1) (2026-05-31)
+
+
+### Bug Fixes
+
+* **frontend:** align three-dot menu item icon spacing and text alignment ([#72](https://github.com/Noooste/garage-ui/issues/72)) ([45f8770](https://github.com/Noooste/garage-ui/commit/45f87707996e92d0f8f75e79c8f60a13556eaf6e))
+
+## [0.8.0](https://github.com/Noooste/garage-ui/compare/v0.7.0...v0.8.0) (2026-05-31)
+
+
+### ⚠ BREAKING CHANGES
+
+* **backend,helm:** bind to IPv6 wildcard by default for dual-stack support
+
+### Features
+
+* **backend,helm:** bind to IPv6 wildcard by default for dual-stack support ([5427758](https://github.com/Noooste/garage-ui/commit/5427758eaadc4fa1327402b958b7e7e1f43aecdd))
+* **docs:** add documentation generation command to Makefile ([186af18](https://github.com/Noooste/garage-ui/commit/186af18d54f739bd9b467cbf3ab9ccc2e92ddf62))
+
+## [0.7.0](https://github.com/Noooste/garage-ui/compare/v0.6.2...v0.7.0) (2026-05-23)
+
+
+### Features
+
+* **backend,frontend:** enable quotas support in bucket settings ([#64](https://github.com/Noooste/garage-ui/issues/64)) ([1f16edd](https://github.com/Noooste/garage-ui/commit/1f16edd39cfa2f3a51cb576871642c9d23545781))
+* **backend:** Support _FILE suffix on sensitive env variables ([#63](https://github.com/Noooste/garage-ui/issues/63)) ([36ec8e8](https://github.com/Noooste/garage-ui/commit/36ec8e800ea0ff5306e4d0f9f4aea4f72a5a109b))
+
+
+### Bug Fixes
+
+* **auth:** remove auto-enable token auth logic ([1b645b0](https://github.com/Noooste/garage-ui/commit/1b645b0c2c6e05dea98a7fc5d7595ca015913770))
+
+## [0.6.2](https://github.com/Noooste/garage-ui/compare/v0.6.1...v0.6.2) (2026-05-15)
+
+
+### Bug Fixes
+
+* **helm:** update appVersion format and improve image tag handling ([709b9f2](https://github.com/Noooste/garage-ui/commit/709b9f2ad33fb3852bc23be1d647bb1d9388169b))
+
+## [0.6.1](https://github.com/Noooste/garage-ui/compare/v0.6.0...v0.6.1) (2026-05-15)
+
+
+### Bug Fixes
+
+* Helm image tag ([#53](https://github.com/Noooste/garage-ui/issues/53)) ([ff46ff6](https://github.com/Noooste/garage-ui/commit/ff46ff623299461abade27478128f7e5ce409557))
+
+## [0.6.0](https://github.com/Noooste/garage-ui/compare/v0.5.0...v0.6.0) (2026-05-15)
+
+
+### Features
+
+* add extraEnvs to helm chart to allow config override ([#45](https://github.com/Noooste/garage-ui/issues/45)) ([c8337de](https://github.com/Noooste/garage-ui/commit/c8337de3a885fc86a08a9be329a60c0846e52d62))
+* enhance bucket credential retrieval to support read/write operations and improve caching logic ([#46](https://github.com/Noooste/garage-ui/issues/46)) ([c8cb3c4](https://github.com/Noooste/garage-ui/commit/c8cb3c49239bcf21b0abacba86622d55a202c4bd))
+
+
+### Bug Fixes
+
+* **ci:** correct appVersion tracking and remove changelog seeds ([#49](https://github.com/Noooste/garage-ui/issues/49)) ([f04c381](https://github.com/Noooste/garage-ui/commit/f04c38168d026c9746c5fb9f8182cb9fadc06f53))
+* **ci:** remove CHANGELOG.md seeds so release-please owns them ([#51](https://github.com/Noooste/garage-ui/issues/51)) ([cb3839e](https://github.com/Noooste/garage-ui/commit/cb3839e6189ec1d2a6609ff500ab7a79d0f5cbd9))

CONTRIBUTING.md

@@ -130,3 +130,61 @@ Enhancement suggestions are tracked as [GitHub issues](https://github.com/Nooost
 - **Describe the current behavior** and **explain which behavior you expected to see instead** and why. At this point you can also tell which alternatives do not work for you.
 - You may want to **include screenshots or screen recordings** which help you demonstrate the steps or point out the part which the suggestion is related to. You can use [LICEcap](https://www.cockos.com/licecap/) to record GIFs on macOS and Windows, and the built-in [screen recorder in GNOME](https://help.gnome.org/users/gnome-help/stable/screen-shot-record.html.en) or [SimpleScreenRecorder](https://github.com/MaartenBaert/ssr) on Linux. <!-- this should only be included if the project has a GUI -->
 - **Explain why this enhancement would be useful** to most Garage UI users. You may also want to point out the other projects that solved it better and which could serve as inspiration.
+
+
+## Commit Messages
+
+This repo uses [Conventional Commits](https://www.conventionalcommits.org/) on
+PR titles to drive automated releases and changelogs via
+[release-please](https://github.com/googleapis/release-please).
+
+PRs are squash-merged, so **only the PR title needs to follow the format**.
+Branch commits can be anything.
+
+### Format
+
+```
+<type>(<optional-scope>): <subject>
+```
+
+### Allowed types
+
+| Type       | Use when…                                | Triggers release? |
+|------------|------------------------------------------|-------------------|
+| `feat`     | adding new user-facing functionality     | minor bump        |
+| `fix`      | fixing a bug                             | patch bump        |
+| `feat!`    | breaking change (pre-1.0: still minor)   | minor bump        |
+| `perf`     | performance improvement                  | patch bump        |
+| `docs`     | documentation only                       | no                |
+| `refactor` | code change that's not feat/fix          | no                |
+| `chore`    | tooling, deps, build                     | no                |
+| `test`     | adding/fixing tests                      | no                |
+| `ci`       | CI workflow changes                      | no                |
+| `build`    | build system changes                     | no                |
+
+Pre-1.0 SemVer: while the project is `<1.0`, breaking changes (`feat!`) bump
+the **minor** version, not the major. Once the project declares `1.0.0`,
+`feat!` will bump major as per standard SemVer.
+
+### Allowed scopes
+
+- `backend` — Go API server
+- `frontend` — React app
+- `helm` — Helm chart
+- `ci` — CI workflows
+- `deps` — dependency updates
+
+Scope is optional. Use it when the change is clearly scoped to one component
+(it routes the version bump to that component only).
+
+### Examples
+
+```
+feat(backend): add bucket quota enforcement
+fix(frontend): correct theme toggle in Safari
+feat(helm): support extraEnvs in deployment template
+chore(deps): bump axios from 1.15.0 to 1.15.2
+docs: clarify OIDC setup in README
+```
+
+The PR title is automatically validated by the `pr-title` GitHub Action.

Dockerfile

@@ -48,7 +48,7 @@ RUN addgroup -g 1000 garageui && \
     adduser -D -u 1000 -G garageui garageui
 
 COPY --from=backend-builder --chown=garageui:garageui /app/garage-ui .
-COPY --from=frontend-builder /app/frontend/dist ./frontend/dist
+COPY --from=frontend-builder --chown=garageui:garageui /app/frontend/dist ./frontend/dist
 
 USER garageui
 
@@ -58,4 +58,3 @@ HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
     CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
 
 CMD ["./garage-ui"]
-

Makefile

@@ -154,3 +154,9 @@ test-cover:
 ## test-smoke: Run the docker compose smoke test (requires Docker + compose v2)
 test-smoke:
 	cd backend && go test -tags=smoke -timeout 10m ./tests/smoke/...
+
+docs:
+	@echo "Generating documentation..."
+	@mkdir -p docs
+	@echo "Documentation generated in the 'docs' directory."
+	swag init -g backend/cmd/garage-ui/main.go -o docs --parseDependency --parseInternal

README.md

@@ -1,13 +1,15 @@
-# Garage UI
+<p align="center">
+  <a href="https://github.com/Noooste/garage-ui/actions/workflows/build.yml"><img src="https://github.com/Noooste/garage-ui/actions/workflows/build.yml/badge.svg" alt="Docker Build" /></a>
+  <a href="https://github.com/Noooste/garage-ui/actions/workflows/chart-release.yml"><img src="https://github.com/Noooste/garage-ui/actions/workflows/chart-release.yml/badge.svg" alt="Helm Chart" /></a>
+  <a href="https://codecov.io/gh/Noooste/garage-ui"><img src="https://codecov.io/gh/Noooste/garage-ui/branch/main/graph/badge.svg" alt="Coverage" /></a>
+  <a href="https://opensource.org/licenses/MIT"><img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="License: MIT" /></a>
+  <a href="https://go.dev/"><img src="https://img.shields.io/badge/Go-1.25%2B-00ADD8?logo=go" alt="Go Version" /></a>
+  <a href="https://artifacthub.io/packages/search?repo=garage-ui"><img src="https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/garage-ui" alt="Artifact Hub" /></a>
+</p>
 
-A web interface for managing [Garage](https://garagehq.deuxfleurs.fr/) object storage clusters.
+# Garage UI - Web Dashboard for Garage S3 Storage
 
-[![Docker Build](https://github.com/Noooste/garage-ui/actions/workflows/build.yml/badge.svg)](https://github.com/Noooste/garage-ui/actions/workflows/build.yml)
-[![Helm Chart](https://github.com/Noooste/garage-ui/actions/workflows/release.yml/badge.svg)](https://github.com/Noooste/garage-ui/actions/workflows/release.yml)
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![Go Version](https://img.shields.io/badge/Go-1.25%2B-00ADD8?logo=go)](https://go.dev/)
-[![Node Version](https://img.shields.io/badge/Node-25%2B-339933?logo=node.js)](https://nodejs.org/)
-[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/garage-ui)](https://artifacthub.io/packages/search?repo=garage-ui)
+A modern web interface to manage <a href="https://garagehq.deuxfleurs.fr/">Garage</a> object storage clusters. Browse buckets, manage access keys, monitor your cluster, all from your browser.
 
 ---
 
@@ -24,53 +26,30 @@ A web interface for managing [Garage](https://garagehq.deuxfleurs.fr/) object st
 
 ## Features
 
-- Bucket and object management
-- User access control
-- Cluster monitoring
-- Multiple authentication options (none/basic/OIDC)
-- Drag-and-drop file uploads
+- **Bucket management** - create, configure, and browse buckets with drag-and-drop file uploads
+- **Access key management** - create keys, assign per-bucket permissions
+- **Cluster overview** - monitor node status, layout configuration, and storage usage
+- **Flexible authentication** - no auth, basic credentials, or OIDC (Keycloak, Authentik, etc.)
+- **Easy deployment** - single Docker image or Helm chart, configure with one YAML file
 
 ## Quick Start
 
 ### Prerequisites
 
 - Docker & Docker Compose
-- Garage S3 cluster (v2.1.0+) or use the included setup
+- A running Garage cluster (v2.1.0+) - [setup guide](docs/garage-setup.md) if you need one
 
-### 1. Clone & Setup
+### 1. Clone & Configure
 
 ```bash
 git clone https://github.com/Noooste/garage-ui.git
 cd garage-ui
-```
-
-### 2. Start Garage
-
-If you don't have Garage running:
-
-```bash
-docker compose up -d garage
-sleep 10
-
-# Initialize cluster
-docker compose exec garage garage layout assign -z dc1 -c 1G $(docker compose exec garage garage node id -q)
-docker compose exec garage garage layout apply --version 1
-
-# Create admin key
-docker compose exec garage garage key create admin-key
-```
-
-Save the access key and secret key from the output.
-
-### 3. Configure
-
-```bash
-cp config.yaml.example config.yaml
+cp config.example.yaml config.yaml
 ```
 
 Edit `config.yaml` with your Garage endpoints and admin token (from `garage.toml`).
 
-### 4. Start UI
+### 2. Start
 
 ```bash
 docker compose up -d garage-ui
@@ -78,43 +57,6 @@ docker compose up -d garage-ui
 
 Access at http://localhost:8080
 
-## Configuration
-
-Minimum required config:
-
-```yaml
-server:
-  port: 8080
-
-garage:
-  endpoint: "http://garage:3900"
-  admin_endpoint: "http://garage:3903"
-  admin_token: "your-admin-token"
-  region: "garage"
-```
-
-Enable authentication (optional):
-
-```yaml
-auth:
-  admin:
-    enabled: true
-    username: "admin"
-    password: "your-password"
-```
-
-See [config.yaml.example](config.yaml.example) for all options.
-
-### Environment Variables
-
-Override any config value with `GARAGE_UI_` prefix:
-
-```bash
-GARAGE_UI_SERVER_PORT=8080
-GARAGE_UI_GARAGE_ENDPOINT=http://garage:3900
-GARAGE_UI_GARAGE_ADMIN_TOKEN=your-token
-```
-
 ## Deployment
 
 ### Docker
@@ -135,22 +77,108 @@ helm install garage-ui garage-ui/garage-ui \
   --set garage.adminToken=your-token
 ```
 
-## Development
+Access at http://localhost:8080
+
+### Quick Start with garage.toml
+
+If you already have a running Garage instance, you can point Garage UI directly at your `garage.toml` -- no `config.yaml` needed:
 
-Backend (Go 1.25+):
 ```bash
-cd backend
-go run main.go --config ../config.yaml
+./garage-ui --garage-toml /etc/garage.toml
 ```
 
-Frontend (Node.js 25+):
+Garage UI reads the S3 endpoint, admin endpoint, admin token, and S3 region straight from the TOML file. When no authentication method is explicitly configured, **token auth auto-enables**: the login page asks for the Garage admin token, giving you a login wall with zero extra config.
+
+**Bind address handling:** Wildcard addresses like `0.0.0.0` or `[::]` are converted to `127.0.0.1` so the UI can reach Garage on localhost. Inside containers this won't work -- override the endpoint explicitly with environment variables or a config file.
+
+**Docker:**
+
 ```bash
-cd frontend
-npm install
-npm run dev
+docker run -d -p 8080:8080 \
+  -v /etc/garage.toml:/etc/garage.toml:ro \
+  -e GARAGE_UI_GARAGE_TOML=/etc/garage.toml \
+  -e GARAGE_UI_GARAGE_ENDPOINT=http://garage:3900 \
+  -e GARAGE_UI_GARAGE_ADMIN_ENDPOINT=http://garage:3903 \
+  noooste/garage-ui:latest
 ```
 
-API docs: http://localhost:8080/api/v1/
+The endpoint overrides are needed because the container cannot reach `127.0.0.1` on the host.
+
+**Combining flags:** Use `--garage-toml` for Garage connection values and `--config` for everything else (auth, CORS, logging, etc.):
+
+```bash
+./garage-ui --garage-toml /etc/garage.toml --config config.yaml
+```
+
+**Precedence order** (highest wins): built-in defaults < `garage.toml` < `config.yaml` < environment variables.
+
+## Configuration
+
+Minimum required config:
+
+```yaml
+server:
+  port: 8080
+
+garage:
+  endpoint: "http://garage:3900"
+  admin_endpoint: "http://garage:3903"
+  admin_token: "your-admin-token"
+  region: "garage"
+```
+
+Server bind host is configured by `server.host` (default: `::`). IPv6 literals like `::` and `::1` are supported.
+
+```yaml
+server:
+  host: "::" # IPv6 wildcard (dual-stack-preferred)
+  port: 8080
+```
+
+If your environment needs explicit IPv4-only binding, set `server.host: "0.0.0.0"`.
+
+See [config.example.yaml](config.example.yaml) for all options including authentication, CORS, and logging.
+
+### Environment Variables
+
+Override any config value with `GARAGE_UI_` prefix:
+
+```bash
+GARAGE_UI_SERVER_PORT=8080
+GARAGE_UI_GARAGE_ENDPOINT=http://garage:3900
+GARAGE_UI_GARAGE_ADMIN_TOKEN=your-token
+```
+
+#### Loading sensitive values from files (`_FILE` suffix)
+
+For Docker/Kubernetes secret integration, sensitive env vars can be read from files instead of plain values. Set `{VAR}_FILE=/path/to/file` and garage-ui reads the file's contents (trailing CR/LF trimmed) as the value. If both `{VAR}` and `{VAR}_FILE` are set, `_FILE` wins and a warning is logged. A missing or unreadable file causes startup to fail.
+
+Supported vars:
+
+- `GARAGE_UI_GARAGE_ADMIN_TOKEN_FILE`
+- `GARAGE_UI_AUTH_ADMIN_USERNAME_FILE`
+- `GARAGE_UI_AUTH_ADMIN_PASSWORD_FILE`
+- `GARAGE_UI_AUTH_JWT_PRIVATE_KEY_FILE`
+- `GARAGE_UI_AUTH_OIDC_CLIENT_ID_FILE`
+- `GARAGE_UI_AUTH_OIDC_CLIENT_SECRET_FILE`
+
+Example with Docker Compose secrets:
+
+```yaml
+services:
+  garage-ui:
+    image: noooste/garage-ui:latest
+    environment:
+      GARAGE_UI_AUTH_ADMIN_PASSWORD_FILE: /run/secrets/admin_password
+    secrets:
+      - admin_password
+
+secrets:
+  admin_password:
+    file: ./admin_password.txt
+```
+
+This matches the convention used by the official Postgres and MySQL Docker images. Helm users do not need this — the chart already injects secrets via `existingSecret` references.
 
 ## Garage Configuration
 
@@ -172,6 +200,23 @@ api_bind_addr = "[::]:3900"      # Default: 127.0.0.1:3900
 
 For complete Garage configuration, see the [official documentation](https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/).
 
+## Development
+
+Backend (Go 1.25+):
+```bash
+cd backend
+go run main.go --config ../config.yaml
+```
+
+Frontend (Node.js 25+):
+```bash
+cd frontend
+npm install
+npm run dev
+```
+
+API docs: http://localhost:8080/api/v1/
+
 ## Troubleshooting
 
 **Connection failed:**
@@ -186,6 +231,52 @@ logging:
   format: "text"  # or "json"
 ```
 
+## Roadmap
+
+Ideas being considered. Contributions welcome.
+
+**Object browser**
+- [ ] Inline preview (images, PDF, video, text/markdown, code)
+- [ ] Resumable multipart uploads with pause/resume
+- [ ] Folder uploads preserving prefix structure
+- [ ] Bulk actions (delete, copy prefix, download prefix as zip)
+- [ ] Command palette (Cmd-K) and keyboard navigation
+
+**Sharing**
+- [ ] Presigned download links with expiry + QR code
+- [ ] Presigned upload drop-zones ("send me a file" pages)
+
+**Buckets**
+- [ ] Bucket alias manager (global vs. user-scoped)
+- [ ] Quota editor with live usage bar
+- [ ] Lifecycle editor (expiration + abort-multipart)
+- [ ] CORS editor with built-in test request
+- [ ] Website config (index/error docs) with live link
+- [ ] Per-bucket usage graph over time
+
+**Access keys**
+- [ ] Permission matrix view (keys x buckets)
+- [ ] Key rotation helper
+- [ ] Copy-ready snippets per key (aws-cli, rclone, restic, s3cmd, mc, Terraform)
+
+**Cluster**
+- [X] Support Garage v1 to latest
+- [ ] Visual layout editor with staged vs. applied diff
+- [ ] Capacity planner / simulation
+- [ ] Rebalance progress and node health timeline
+- [ ] Worker/repair panel (trigger scrub, repair, rebalance)
+
+**Observability**
+- [ ] Dashboard with dedup/compression savings
+- [ ] Metrics explorer pulling from Garage `/metrics`
+- [ ] Admin audit log
+
+**Polish**
+- [ ] i18n (FR/EN)
+- [ ] Mobile-friendly object browser
+- [ ] First-run onboarding wizard
+- [ ] GitOps export (layout + buckets + keys as YAML)
+
 ## License
 
 MIT - see [LICENSE](LICENSE)
@@ -194,4 +285,4 @@ MIT - see [LICENSE](LICENSE)
 
 - [Issues](https://github.com/Noooste/garage-ui/issues)
 - [Contributing](CONTRIBUTING.md)
-- [Garage Docs](https://garagehq.deuxfleurs.fr/documentation/)
+- [Garage Docs](https://garagehq.deuxfleurs.fr/documentation/)

backend/go.mod

@@ -6,11 +6,12 @@ require (
 	github.com/Noooste/azuretls-client v1.13.2
 	github.com/Noooste/swagger v1.2.0
 	github.com/coreos/go-oidc/v3 v3.18.0
-	github.com/gofiber/fiber/v3 v3.1.0
+	github.com/gofiber/fiber/v3 v3.3.0
 	github.com/golang-jwt/jwt/v5 v5.3.1
 	github.com/google/uuid v1.6.0
-	github.com/minio/minio-go/v7 v7.0.100
-	github.com/rs/zerolog v1.35.0
+	github.com/minio/minio-go/v7 v7.1.0
+	github.com/pelletier/go-toml/v2 v2.3.1
+	github.com/rs/zerolog v1.35.1
 	github.com/spf13/viper v1.21.0
 	github.com/swaggo/swag v1.16.6
 	golang.org/x/oauth2 v0.36.0
@@ -25,10 +26,11 @@ require (
 	github.com/Noooste/websocket v1.0.3 // indirect
 	github.com/andybalholm/brotli v1.2.1 // indirect
 	github.com/bdandy/go-errors v1.2.2 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cloudflare/circl v1.6.3 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/fatih/color v1.19.0 // indirect
-	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/fsnotify/fsnotify v1.10.1 // indirect
 	github.com/gaukas/clienthellod v0.4.2 // indirect
 	github.com/gaukas/godicttls v0.0.4 // indirect
 	github.com/go-ini/ini v1.67.0 // indirect
@@ -36,7 +38,6 @@ require (
 	github.com/go-openapi/jsonpointer v0.23.1 // indirect
 	github.com/go-openapi/jsonreference v0.21.5 // indirect
 	github.com/go-openapi/spec v0.22.4 // indirect
-	github.com/go-openapi/swag v0.26.0 // indirect
 	github.com/go-openapi/swag/conv v0.26.0 // indirect
 	github.com/go-openapi/swag/jsonname v0.26.0 // indirect
 	github.com/go-openapi/swag/jsonutils v0.26.0 // indirect
@@ -46,24 +47,20 @@ require (
 	github.com/go-openapi/swag/yamlutils v0.26.0 // indirect
 	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
 	github.com/gofiber/schema v1.7.1 // indirect
-	github.com/gofiber/utils/v2 v2.0.3 // indirect
+	github.com/gofiber/utils/v2 v2.0.6 // indirect
 	github.com/google/gopacket v1.1.19 // indirect
-	github.com/josharian/intern v1.0.0 // indirect
-	github.com/klauspost/compress v1.18.5 // indirect
+	github.com/klauspost/compress v1.18.6 // indirect
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/klauspost/crc32 v1.3.0 // indirect
-	github.com/mailru/easyjson v0.9.2 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
-	github.com/mattn/go-isatty v0.0.21 // indirect
+	github.com/mattn/go-isatty v0.0.22 // indirect
 	github.com/minio/crc64nvme v1.1.1 // indirect
 	github.com/minio/md5-simd v1.1.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.3.0 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
 	github.com/quic-go/qpack v0.6.0 // indirect
 	github.com/refraction-networking/utls v1.8.2 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/sagikazarmark/locafero v0.12.0 // indirect
-	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
 	github.com/spf13/cast v1.10.0 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
@@ -71,14 +68,15 @@ require (
 	github.com/swaggo/files/v2 v2.0.2 // indirect
 	github.com/tinylib/msgp v1.6.4 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	github.com/valyala/fasthttp v1.70.0 // indirect
+	github.com/valyala/fasthttp v1.71.0 // indirect
+	github.com/zeebo/xxh3 v1.1.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.50.0 // indirect
-	golang.org/x/mod v0.35.0 // indirect
-	golang.org/x/net v0.53.0 // indirect
+	golang.org/x/crypto v0.52.0 // indirect
+	golang.org/x/mod v0.36.0 // indirect
+	golang.org/x/net v0.55.0 // indirect
 	golang.org/x/sync v0.20.0 // indirect
-	golang.org/x/sys v0.43.0 // indirect
-	golang.org/x/text v0.36.0 // indirect
-	golang.org/x/tools v0.44.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	golang.org/x/sys v0.45.0 // indirect
+	golang.org/x/text v0.37.0 // indirect
+	golang.org/x/tools v0.45.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 )

backend/go.sum

@@ -2,8 +2,6 @@ github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
 github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
-github.com/Noooste/azuretls-client v1.12.11 h1:8IvtfPf+K6wOqiRROL/APGkxQCO/+jyjH0S39rnItfQ=
-github.com/Noooste/azuretls-client v1.12.11/go.mod h1:lvXW8wpaOwrwtDrSt8nv/Dd8NAbCMVNRoU4sFrAaxYs=
 github.com/Noooste/azuretls-client v1.13.2 h1:8Dli5aKP5O6qN/FNSGFVkpQ1V1F1gGawAkLIE2Nrk+U=
 github.com/Noooste/azuretls-client v1.13.2/go.mod h1:ON+SmiBm4Zy5vAhJmBNZk61Y7nqf4iM/b1MC1lN47Bk=
 github.com/Noooste/fhttp v1.0.15 h1:sYRWOKgr1x4L+wA6REMJCs4Z/lFOSJmuQHSIXMXCcPs=
@@ -12,80 +10,62 @@ github.com/Noooste/go-socks4 v0.0.2 h1:DwHCYiCEAdjfNrQOFIid7qgKCll7ubhGS1ji5O8FY
 github.com/Noooste/go-socks4 v0.0.2/go.mod h1:+oOgtOFRsU8FoK7NBOhHSjiH5pveY8LgYNF5XcqVgjE=
 github.com/Noooste/swagger v1.2.0 h1:zGHin8k2V9mXDB1gxXOdKe4V8zhw79ycsw+/L2hH/pk=
 github.com/Noooste/swagger v1.2.0/go.mod h1:5N+iUZlFA43k2Paf42EZ+SFndBG1niSA1FAnwiNP1PM=
-github.com/Noooste/uquic-go v1.0.3 h1:VP8npQmU4lkVLm9Ug5Q18SJ8ExFDfUZIzd13YjYaLHE=
-github.com/Noooste/uquic-go v1.0.3/go.mod h1:MxkrvgpNcbIOSQxqglC3e/798O/6zuL3mBhlFN+04w4=
 github.com/Noooste/uquic-go v1.0.5 h1:HWfrxhxgB1a9Y2Au5mfFs2Y5Dy13OQIwa86D/kULPtE=
 github.com/Noooste/uquic-go v1.0.5/go.mod h1:1y+qiy23PqLKudi4kQiJ0b3zXXYcyctEBRfZPTuyBz4=
-github.com/Noooste/utls v1.3.20 h1:QzBNGGJ184bNMLodOzvM9YWc4vZ36QodIjqFQOHoZ88=
-github.com/Noooste/utls v1.3.20/go.mod h1:XEy+VEbTxmH6krfSG5YT7wDbjHTEi2zUXTG33R0PAAg=
 github.com/Noooste/utls v1.3.21 h1:5yEzTibikzF0/d0REfbjXURGHxJDKCrRghVAU/OQBko=
 github.com/Noooste/utls v1.3.21/go.mod h1:XEy+VEbTxmH6krfSG5YT7wDbjHTEi2zUXTG33R0PAAg=
 github.com/Noooste/websocket v1.0.3 h1:drW7tvZ3YqzqI9wApnaH1Q0syFMXO7gbLlsBWjZvMNA=
 github.com/Noooste/websocket v1.0.3/go.mod h1:Qhw0Rtuju/fPPbcb3R5XGq7poa51qPDL462jTltl9nQ=
-github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ=
-github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
 github.com/andybalholm/brotli v1.2.1 h1:R+f5xP285VArJDRgowrfb9DqL18yVK0gKAW/F+eTWro=
 github.com/andybalholm/brotli v1.2.1/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
 github.com/bdandy/go-errors v1.2.2 h1:WdFv/oukjTJCLa79UfkGmwX7ZxONAihKu4V0mLIs11Q=
 github.com/bdandy/go-errors v1.2.2/go.mod h1:NkYHl4Fey9oRRdbB1CoC6e84tuqQHiqrOcZpqFEkBxM=
-github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0=
-github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cloudflare/circl v1.6.3 h1:9GPOhQGF9MCYUeXyMYlqTR6a5gTrgR/fBLXvUgtVcg8=
 github.com/cloudflare/circl v1.6.3/go.mod h1:2eXP6Qfat4O/Yhh8BznvKnJ+uzEoTQ6jVKJRn81BiS4=
-github.com/coreos/go-oidc/v3 v3.17.0 h1:hWBGaQfbi0iVviX4ibC7bk8OKT5qNr4klBaCHVNvehc=
-github.com/coreos/go-oidc/v3 v3.17.0/go.mod h1:wqPbKFrVnE90vty060SB40FCJ8fTHTxSwyXJqZH+sI8=
 github.com/coreos/go-oidc/v3 v3.18.0 h1:V9orjXynvu5wiC9SemFTWnG4F45v403aIcjWo0d41+A=
 github.com/coreos/go-oidc/v3 v3.18.0/go.mod h1:DYCf24+ncYi+XkIH97GY1+dqoRlbaSI26KVTCI9SrY4=
-github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
-github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
 github.com/fatih/color v1.19.0 h1:Zp3PiM21/9Ld6FzSKyL5c/BULoe/ONr9KlbYVOfG8+w=
 github.com/fatih/color v1.19.0/go.mod h1:zNk67I0ZUT1bEGsSGyCZYZNrHuTkJJB+r6Q9VuMi0LE=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
 github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
-github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
-github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
+github.com/fsnotify/fsnotify v1.10.1 h1:b0/UzAf9yR5rhf3RPm9gf3ehBPpf0oZKIjtpKrx59Ho=
+github.com/fsnotify/fsnotify v1.10.1/go.mod h1:TLheqan6HD6GBK6PrDWyDPBaEV8LspOxvPSjC+bVfgo=
 github.com/fxamacker/cbor/v2 v2.9.1 h1:2rWm8B193Ll4VdjsJY28jxs70IdDsHRWgQYAI80+rMQ=
+github.com/fxamacker/cbor/v2 v2.9.1/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
 github.com/gaukas/clienthellod v0.4.2 h1:LPJ+LSeqt99pqeCV4C0cllk+pyWmERisP7w6qWr7eqE=
 github.com/gaukas/clienthellod v0.4.2/go.mod h1:M57+dsu0ZScvmdnNxaxsDPM46WhSEdPYAOdNgfL7IKA=
 github.com/gaukas/godicttls v0.0.4 h1:NlRaXb3J6hAnTmWdsEKb9bcSBD6BvcIjdGdeb0zfXbk=
 github.com/gaukas/godicttls v0.0.4/go.mod h1:l6EenT4TLWgTdwslVb4sEMOCf7Bv0JAK67deKr9/NCI=
 github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
 github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
-github.com/go-jose/go-jose/v4 v4.1.3 h1:CVLmWDhDVRa6Mi/IgCgaopNosCaHz7zrMeF9MlZRkrs=
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@@ -212,78 +174,68 @@ github.com/swaggo/files/v2 v2.0.2 h1:Bq4tgS/yxLB/3nwOMcul5oLEUKa877Ykgz3CJMVbQKU
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backend/internal/auth/auth.go

@@ -4,9 +4,11 @@ import (
 	"Noooste/garage-ui/pkg/logger"
 	"context"
 	"crypto/subtle"
+	"crypto/tls"
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"strings"
 
 	"Noooste/garage-ui/internal/config"
@@ -22,6 +24,7 @@ type Service struct {
 	oidcProvider *oidc.Provider
 	oidcVerifier *oidc.IDTokenVerifier
 	oauth2Config *oauth2.Config
+	oidcClient   *http.Client
 	jwtService   *JWTService
 }
 
@@ -58,7 +61,15 @@ func NewAuthService(authCfg *config.AuthConfig, serverCfg *config.ServerConfig)
 
 // initOIDC initializes the OIDC provider and configuration
 func (a *Service) initOIDC() error {
-	ctx := context.Background()
+	if a.authConfig.OIDC.TLSSkipVerify {
+		a.oidcClient = &http.Client{
+			Transport: &http.Transport{
+				TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+			},
+		}
+	}
+
+	ctx := a.oidcContext(context.Background())
 
 	// Create OIDC provider
 	provider, err := oidc.NewProvider(ctx, a.authConfig.OIDC.IssuerURL)
@@ -92,6 +103,13 @@ func (a *Service) initOIDC() error {
 	return nil
 }
 
+func (a *Service) oidcContext(ctx context.Context) context.Context {
+	if a.oidcClient == nil {
+		return ctx
+	}
+	return oidc.ClientContext(ctx, a.oidcClient)
+}
+
 // ValidateBasicAuth validates basic authentication credentials
 func (a *Service) ValidateBasicAuth(username, password string) bool {
 	// Use constant-time comparison to prevent timing attacks
@@ -123,7 +141,7 @@ func (a *Service) ExchangeCode(ctx context.Context, code string) (*oauth2.Token,
 		return nil, fmt.Errorf("OIDC not initialized")
 	}
 
-	token, err := a.oauth2Config.Exchange(ctx, code)
+	token, err := a.oauth2Config.Exchange(a.oidcContext(ctx), code)
 	if err != nil {
 		return nil, fmt.Errorf("failed to exchange code: %w", err)
 	}
@@ -138,7 +156,7 @@ func (a *Service) VerifyIDToken(ctx context.Context, rawIDToken string) (*UserIn
 	}
 
 	// Verify the ID token
-	idToken, err := a.oidcVerifier.Verify(ctx, rawIDToken)
+	idToken, err := a.oidcVerifier.Verify(a.oidcContext(ctx), rawIDToken)
 	if err != nil {
 		return nil, fmt.Errorf("failed to verify ID token: %w", err)
 	}
@@ -170,6 +188,8 @@ func (a *Service) GetUserInfo(ctx context.Context, token *oauth2.Token) (*UserIn
 		return nil, fmt.Errorf("OIDC not initialized")
 	}
 
+	ctx = a.oidcContext(ctx)
+
 	// Create OAuth2 token source
 	tokenSource := a.oauth2Config.TokenSource(ctx, token)
 
@@ -232,15 +252,18 @@ func (a *Service) ExtractRolesFromAccessToken(accessToken string) []string {
 	return extractRoles(claims, a.authConfig.OIDC.RoleAttributePath)
 }
 
-// IsAdmin checks if the user has admin role
+// IsAdmin checks if the user has any of the configured admin roles.
 func (a *Service) IsAdmin(userInfo *UserInfo) bool {
-	if a.authConfig.OIDC.AdminRole == "" {
+	adminRoles := a.authConfig.OIDC.EffectiveAdminRoles()
+	if len(adminRoles) == 0 {
 		return false
 	}
 
 	for _, role := range userInfo.Roles {
-		if role == a.authConfig.OIDC.AdminRole {
-			return true
+		for _, adminRole := range adminRoles {
+			if role == adminRole {
+				return true
+			}
 		}
 	}
 
@@ -299,8 +322,21 @@ func extractRoles(claims map[string]interface{}, path string) []string {
 	return nil
 }
 
-// extractStringArray converts an interface{} to []string if possible
+// extractStringArray converts an interface{} to []string if possible.
+//
+// A scalar string is treated as a single-element list: IdPs commonly emit a
+// single role as a bare string (e.g. "garage_role": "garage-ui-admin") rather
+// than a one-element array, and discarding it would make admin_role checks
+// fail with a spurious 403, see https://github.com/Noooste/garage-ui/issues/75
 func extractStringArray(value interface{}) []string {
+	// Try a scalar string (single role emitted as a bare value)
+	if str, ok := value.(string); ok {
+		if str == "" {
+			return nil
+		}
+		return []string{str}
+	}
+
 	// Try direct string array
 	if strArray, ok := value.([]string); ok {
 		return strArray

backend/internal/auth/auth_more_test.go

@@ -0,0 +1,267 @@
+package auth
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+
+	"golang.org/x/oauth2"
+)
+
+// newOIDCServerWithTokenAndUserInfo extends the minimal discovery stub with
+// token and userinfo endpoints so ExchangeCode and GetUserInfo can be driven
+// end-to-end without a real IdP.
+func newOIDCServerWithTokenAndUserInfo(
+	t *testing.T,
+	tokenResp map[string]any,
+	tokenStatus int,
+	userInfoResp map[string]any,
+	userInfoStatus int,
+) *httptest.Server {
+	t.Helper()
+	mux := http.NewServeMux()
+	var srv *httptest.Server
+	mux.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) {
+		doc := map[string]any{
+			"issuer":                                srv.URL,
+			"authorization_endpoint":                srv.URL + "/auth",
+			"token_endpoint":                        srv.URL + "/token",
+			"jwks_uri":                              srv.URL + "/jwks",
+			"userinfo_endpoint":                     srv.URL + "/userinfo",
+			"id_token_signing_alg_values_supported": []string{"RS256"},
+			"response_types_supported":              []string{"code"},
+			"subject_types_supported":               []string{"public"},
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(doc)
+	})
+	mux.HandleFunc("/jwks", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"keys":[]}`))
+	})
+	mux.HandleFunc("/token", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(tokenStatus)
+		if tokenResp != nil {
+			_ = json.NewEncoder(w).Encode(tokenResp)
+		}
+	})
+	mux.HandleFunc("/userinfo", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(userInfoStatus)
+		if userInfoResp != nil {
+			_ = json.NewEncoder(w).Encode(userInfoResp)
+		}
+	})
+	srv = httptest.NewServer(mux)
+	t.Cleanup(srv.Close)
+	return srv
+}
+
+func TestExchangeCode_OIDCDisabledReturnsError(t *testing.T) {
+	svc := &Service{authConfig: &config.AuthConfig{}, serverConfig: &config.ServerConfig{}}
+	if _, err := svc.ExchangeCode(context.Background(), "some-code"); err == nil {
+		t.Fatal("expected error when OIDC not initialized")
+	}
+}
+
+func TestExchangeCode_TokenEndpointErrorPropagates(t *testing.T) {
+	srv := newOIDCServerWithTokenAndUserInfo(t,
+		map[string]any{"error": "invalid_grant"}, http.StatusBadRequest,
+		nil, http.StatusOK,
+	)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "c",
+			IssuerURL: srv.URL,
+			Scopes:    []string{"openid"},
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	_, err = svc.ExchangeCode(context.Background(), "bad-code")
+	if err == nil {
+		t.Fatal("expected error for 400 from token endpoint")
+	}
+	if !strings.Contains(err.Error(), "failed to exchange code") {
+		t.Errorf("error = %v, want wrap 'failed to exchange code'", err)
+	}
+}
+
+func TestVerifyIDToken_OIDCDisabledReturnsError(t *testing.T) {
+	svc := &Service{authConfig: &config.AuthConfig{}, serverConfig: &config.ServerConfig{}}
+	if _, err := svc.VerifyIDToken(context.Background(), "tok"); err == nil {
+		t.Fatal("expected error when OIDC not initialized")
+	}
+}
+
+func TestVerifyIDToken_GarbageTokenRejected(t *testing.T) {
+	// Discovery works; JWKS is empty so no signature can verify — any token
+	// is rejected. This exercises the verifier error path.
+	srv := newOIDCServerWithTokenAndUserInfo(t, nil, http.StatusOK, nil, http.StatusOK)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "c",
+			IssuerURL: srv.URL,
+			Scopes:    []string{"openid"},
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	_, err = svc.VerifyIDToken(context.Background(), "not-a-real-jwt")
+	if err == nil {
+		t.Fatal("expected verifier error for garbage token")
+	}
+}
+
+func TestGetUserInfo_OIDCDisabledReturnsError(t *testing.T) {
+	svc := &Service{authConfig: &config.AuthConfig{}, serverConfig: &config.ServerConfig{}}
+	_, err := svc.GetUserInfo(context.Background(), &oauth2.Token{AccessToken: "x"})
+	if err == nil {
+		t.Fatal("expected error when OIDC not initialized")
+	}
+}
+
+func TestGetUserInfo_ProviderErrorPropagates(t *testing.T) {
+	srv := newOIDCServerWithTokenAndUserInfo(t,
+		nil, http.StatusOK,
+		map[string]any{"error": "invalid_token"}, http.StatusUnauthorized,
+	)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "c",
+			IssuerURL: srv.URL,
+			Scopes:    []string{"openid"},
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	_, err = svc.GetUserInfo(context.Background(), &oauth2.Token{AccessToken: "bad"})
+	if err == nil {
+		t.Fatal("expected error from userinfo endpoint")
+	}
+	if !strings.Contains(err.Error(), "failed to get user info") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestGetUserInfo_HappyPath_ExtractsClaims(t *testing.T) {
+	srv := newOIDCServerWithTokenAndUserInfo(t,
+		nil, http.StatusOK,
+		map[string]any{
+			"sub":                "user-123",
+			"preferred_username": "alice",
+			"email":              "alice@example.com",
+			"name":               "Alice Example",
+			"resource_access": map[string]any{
+				"garage": map[string]any{
+					"roles": []any{"admin", "user"},
+				},
+			},
+		},
+		http.StatusOK,
+	)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:           true,
+			ClientID:          "c",
+			IssuerURL:         srv.URL,
+			Scopes:            []string{"openid"},
+			UsernameAttribute: "preferred_username",
+			EmailAttribute:    "email",
+			NameAttribute:     "name",
+			RoleAttributePath: "resource_access.garage.roles",
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	info, err := svc.GetUserInfo(context.Background(), &oauth2.Token{AccessToken: "good"})
+	if err != nil {
+		t.Fatalf("GetUserInfo: %v", err)
+	}
+	if info.Username != "alice" || info.Email != "alice@example.com" || info.Name != "Alice Example" {
+		t.Errorf("got %+v, want alice/alice@example.com/Alice Example", info)
+	}
+	if len(info.Roles) != 2 || info.Roles[0] != "admin" {
+		t.Errorf("Roles = %v, want [admin user]", info.Roles)
+	}
+}
+
+func TestExtractClaim(t *testing.T) {
+	cases := []struct {
+		name   string
+		claims map[string]interface{}
+		key    string
+		want   string
+	}{
+		{"empty key returns empty", map[string]interface{}{"a": "b"}, "", ""},
+		{"missing key returns empty", map[string]interface{}{"a": "b"}, "missing", ""},
+		{"non-string value returns empty", map[string]interface{}{"n": 42}, "n", ""},
+		{"string value returned", map[string]interface{}{"email": "x@y"}, "email", "x@y"},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := extractClaim(tc.claims, tc.key); got != tc.want {
+				t.Errorf("extractClaim(%v, %q) = %q, want %q", tc.claims, tc.key, got, tc.want)
+			}
+		})
+	}
+}
+
+func TestGenerateAndValidateStateToken_Roundtrip(t *testing.T) {
+	jwtSvc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	svc := &Service{
+		authConfig:   &config.AuthConfig{},
+		serverConfig: &config.ServerConfig{},
+		jwtService:   jwtSvc,
+	}
+
+	tok, err := svc.GenerateStateToken()
+	if err != nil {
+		t.Fatalf("GenerateStateToken: %v", err)
+	}
+	if tok == "" {
+		t.Fatal("state token is empty")
+	}
+	if !svc.ValidateAndConsumeState(tok) {
+		t.Fatal("ValidateAndConsumeState rejected a freshly-issued token")
+	}
+	// Double-consume must fail (CSRF single-use).
+	if svc.ValidateAndConsumeState(tok) {
+		t.Fatal("ValidateAndConsumeState accepted a re-used token")
+	}
+}
+
+func TestValidateAndConsumeState_RejectsGarbage(t *testing.T) {
+	jwtSvc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	svc := &Service{jwtService: jwtSvc}
+	if svc.ValidateAndConsumeState("definitely-not-a-token") {
+		t.Fatal("accepted an invalid token")
+	}
+}

backend/internal/auth/auth_test.go

@@ -268,6 +268,86 @@ func TestNewAuthService_OIDCEnabled_DiscoversProvider(t *testing.T) {
 	}
 }
 
+// newTLSDiscoveryServer is the same as newDiscoveryServer but serves the OIDC
+// discovery document over HTTPS using httptest's self-signed certificate. The
+// cert is not signed by any system-trusted CA, so any HTTP client without
+// InsecureSkipVerify (or the cert pinned) will fail to connect.
+func newTLSDiscoveryServer(t *testing.T) *httptest.Server {
+	t.Helper()
+	mux := http.NewServeMux()
+	var srv *httptest.Server
+	mux.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) {
+		doc := map[string]any{
+			"issuer":                                srv.URL,
+			"authorization_endpoint":                srv.URL + "/auth",
+			"token_endpoint":                        srv.URL + "/token",
+			"jwks_uri":                              srv.URL + "/jwks",
+			"userinfo_endpoint":                     srv.URL + "/userinfo",
+			"id_token_signing_alg_values_supported": []string{"RS256", "EdDSA"},
+			"response_types_supported":              []string{"code"},
+			"subject_types_supported":               []string{"public"},
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(doc)
+	})
+	mux.HandleFunc("/jwks", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"keys":[]}`))
+	})
+	srv = httptest.NewTLSServer(mux)
+	t.Cleanup(srv.Close)
+	return srv
+}
+
+func TestNewAuthService_OIDCEnabled_SelfSignedIssuer_FailsWithoutTLSSkipVerify(t *testing.T) {
+	disco := newTLSDiscoveryServer(t)
+
+	authCfg := &config.AuthConfig{
+		OIDC: config.OIDCConfig{
+			Enabled:       true,
+			ClientID:      "test-client",
+			IssuerURL:     disco.URL,
+			Scopes:        []string{"openid"},
+			TLSSkipVerify: false,
+		},
+	}
+	srvCfg := &config.ServerConfig{RootURL: "https://garage-ui.example"}
+
+	_, err := NewAuthService(authCfg, srvCfg)
+	if err == nil {
+		t.Fatal("expected TLS verification error from self-signed issuer, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to initialize OIDC") {
+		t.Errorf("expected wrapping error, got %v", err)
+	}
+}
+
+func TestNewAuthService_OIDCEnabled_SelfSignedIssuer_SucceedsWithTLSSkipVerify(t *testing.T) {
+	disco := newTLSDiscoveryServer(t)
+
+	authCfg := &config.AuthConfig{
+		OIDC: config.OIDCConfig{
+			Enabled:       true,
+			ClientID:      "test-client",
+			IssuerURL:     disco.URL,
+			Scopes:        []string{"openid"},
+			TLSSkipVerify: true,
+		},
+	}
+	srvCfg := &config.ServerConfig{RootURL: "https://garage-ui.example"}
+
+	svc, err := NewAuthService(authCfg, srvCfg)
+	if err != nil {
+		t.Fatalf("NewAuthService with tls_skip_verify=true should succeed: %v", err)
+	}
+	if svc.oidcProvider == nil {
+		t.Fatal("oidcProvider not initialized")
+	}
+	if svc.oidcClient == nil {
+		t.Fatal("oidcClient should be set when tls_skip_verify=true")
+	}
+}
+
 func TestNewAuthService_OIDCEnabled_BadIssuerURLReturnsError(t *testing.T) {
 	authCfg := &config.AuthConfig{
 		OIDC: config.OIDCConfig{
@@ -484,8 +564,11 @@ func TestExtractRolesFromAccessToken_IntermediateNodeNotMap(t *testing.T) {
 	}
 }
 
-func TestExtractRolesFromAccessToken_FinalValueWrongType(t *testing.T) {
-	// Final value is a plain string, not an array — extractStringArray returns nil.
+func TestExtractRolesFromAccessToken_ScalarStringRoleReturnsSingleElement(t *testing.T) {
+	// A role_attribute_path that resolves to a scalar string (common when an IdP
+	// emits a single role, e.g. "garage_role": "garage-ui-admin") must be treated
+	// as a one-element role list, not silently discarded. Discarding it caused
+	// admin_role (singular) + scalar claim to yield roles=[] and a spurious 403.
 	tok := makeAccessToken(t, map[string]any{
 		"roles": "admin",
 	})
@@ -494,8 +577,25 @@ func TestExtractRolesFromAccessToken_FinalValueWrongType(t *testing.T) {
 			OIDC: config.OIDCConfig{RoleAttributePath: "roles"},
 		},
 	}
+	got := svc.ExtractRolesFromAccessToken(tok)
+	if len(got) != 1 || got[0] != "admin" {
+		t.Errorf("got %v, want [admin]", got)
+	}
+}
+
+func TestExtractRolesFromAccessToken_EmptyScalarStringReturnsNil(t *testing.T) {
+	// An empty scalar must not produce a [""] role, which would never match a
+	// configured admin role and only muddies logs.
+	tok := makeAccessToken(t, map[string]any{
+		"roles": "",
+	})
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "roles"},
+		},
+	}
 	if got := svc.ExtractRolesFromAccessToken(tok); got != nil {
-		t.Errorf("expected nil for non-array roles, got %v", got)
+		t.Errorf("expected nil for empty scalar role, got %v", got)
 	}
 }
 
@@ -529,23 +629,35 @@ func TestExtractRolesFromAccessToken_BadJSONInPayload(t *testing.T) {
 
 func TestIsAdmin(t *testing.T) {
 	tests := []struct {
-		name      string
-		adminRole string
-		userRoles []string
-		want      bool
+		name       string
+		adminRole  string
+		adminRoles []string
+		userRoles  []string
+		want       bool
 	}{
-		{"empty admin role config returns false", "", []string{"admin"}, false},
-		{"user has admin role", "admin", []string{"viewer", "admin"}, true},
-		{"user lacks admin role", "admin", []string{"viewer"}, false},
-		{"user has no roles", "admin", nil, false},
-		{"role match is exact (case-sensitive)", "admin", []string{"Admin"}, false},
+		{"empty admin role config returns false", "", nil, []string{"admin"}, false},
+		{"user has admin role", "admin", nil, []string{"viewer", "admin"}, true},
+		{"user lacks admin role", "admin", nil, []string{"viewer"}, false},
+		{"user has no roles", "admin", nil, nil, false},
+		{"role match is exact (case-sensitive)", "admin", nil, []string{"Admin"}, false},
+
+		// admin_roles list
+		{"user matches first entry in admin_roles", "", []string{"group1", "group2"}, []string{"group1"}, true},
+		{"user matches second entry in admin_roles", "", []string{"group1", "group2"}, []string{"group2"}, true},
+		{"user matches none of admin_roles", "", []string{"group1", "group2"}, []string{"group3"}, false},
+		{"empty admin_roles list returns false", "", []string{}, []string{"group1"}, false},
+
+		// admin_role + admin_roles merge
+		{"matches single admin_role when admin_roles set too", "admin", []string{"ops"}, []string{"admin"}, true},
+		{"matches admin_roles entry when admin_role set too", "admin", []string{"ops"}, []string{"ops"}, true},
+		{"matches neither admin_role nor admin_roles", "admin", []string{"ops"}, []string{"viewer"}, false},
 	}
 
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
 			svc := &Service{
 				authConfig: &config.AuthConfig{
-					OIDC: config.OIDCConfig{AdminRole: tc.adminRole},
+					OIDC: config.OIDCConfig{AdminRole: tc.adminRole, AdminRoles: tc.adminRoles},
 				},
 			}
 			if got := svc.IsAdmin(&UserInfo{Roles: tc.userRoles}); got != tc.want {

backend/internal/auth/token_test.go

@@ -0,0 +1,29 @@
+package auth
+
+import (
+	"crypto/subtle"
+	"testing"
+)
+
+func TestValidateAdminToken(t *testing.T) {
+	tests := []struct {
+		name       string
+		configured string
+		provided   string
+		want       bool
+	}{
+		{"correct token", "my-secret-token", "my-secret-token", true},
+		{"wrong token", "my-secret-token", "wrong-token", false},
+		{"empty provided", "my-secret-token", "", false},
+		{"empty configured", "", "any-token", false},
+		{"both empty", "", "", true},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			got := subtle.ConstantTimeCompare([]byte(tc.configured), []byte(tc.provided)) == 1
+			if got != tc.want {
+				t.Errorf("ValidateAdminToken(%q, %q) = %v, want %v", tc.configured, tc.provided, got, tc.want)
+			}
+		})
+	}
+}

backend/internal/config/config.go

@@ -2,10 +2,14 @@ package config
 
 import (
 	"fmt"
+	"net"
 	"os"
+	"strconv"
 	"strings"
 
 	"github.com/spf13/viper"
+
+	"Noooste/garage-ui/pkg/logger"
 )
 
 // Config represents the application configuration
@@ -46,6 +50,7 @@ type GarageConfig struct {
 type AuthConfig struct {
 	Admin      AdminAuthConfig `mapstructure:"admin"`
 	OIDC       OIDCConfig      `mapstructure:"oidc"`
+	Token      TokenAuthConfig `mapstructure:"token"`
 	JWTPrivKey string          `mapstructure:"jwt_private_key"` // Ed25519 private key in PEM format for JWT signing (64 bytes)
 }
 
@@ -56,6 +61,12 @@ type AdminAuthConfig struct {
 	Password string `mapstructure:"password"`
 }
 
+// TokenAuthConfig contains admin token authentication settings.
+// When enabled, users can log in using the Garage admin token.
+type TokenAuthConfig struct {
+	Enabled bool `mapstructure:"enabled"`
+}
+
 // OIDCConfig contains OIDC authentication settings
 type OIDCConfig struct {
 	Enabled           bool     `mapstructure:"enabled"`
@@ -71,6 +82,7 @@ type OIDCConfig struct {
 	NameAttribute     string   `mapstructure:"name_attribute"`
 	RoleAttributePath string   `mapstructure:"role_attribute_path"`
 	AdminRole         string   `mapstructure:"admin_role"`
+	AdminRoles        []string `mapstructure:"admin_roles"`
 	TLSSkipVerify     bool     `mapstructure:"tls_skip_verify"`
 	SessionMaxAge     int      `mapstructure:"session_max_age"`
 	CookieName        string   `mapstructure:"cookie_name"`
@@ -79,6 +91,29 @@ type OIDCConfig struct {
 	CookieSameSite    string   `mapstructure:"cookie_same_site"`
 }
 
+// EffectiveAdminRoles returns the deduplicated list of admin roles drawn from
+// both admin_role (legacy single-value) and admin_roles (list). A user is
+// considered an admin if any of their roles matches any entry in this list.
+func (o OIDCConfig) EffectiveAdminRoles() []string {
+	seen := make(map[string]struct{}, len(o.AdminRoles)+1)
+	var roles []string
+	add := func(r string) {
+		if r == "" {
+			return
+		}
+		if _, ok := seen[r]; ok {
+			return
+		}
+		seen[r] = struct{}{}
+		roles = append(roles, r)
+	}
+	add(o.AdminRole)
+	for _, r := range o.AdminRoles {
+		add(r)
+	}
+	return roles
+}
+
 // CORSConfig contains CORS settings for frontend communication
 type CORSConfig struct {
 	Enabled          bool     `mapstructure:"enabled"`
@@ -95,8 +130,28 @@ type LoggingConfig struct {
 	Format string `mapstructure:"format"`
 }
 
+// LoadOption configures optional behaviour of Load.
+type LoadOption func(*loadOptions)
+
+type loadOptions struct {
+	garageTomlPath string
+}
+
+// WithGarageToml tells Load to parse a garage.toml file and use its values as
+// lowest-priority defaults (below YAML, below env vars).
+func WithGarageToml(path string) LoadOption {
+	return func(o *loadOptions) {
+		o.garageTomlPath = path
+	}
+}
+
 // Load reads the configuration from the specified file
-func Load(configPath string) (*Config, error) {
+func Load(configPath string, opts ...LoadOption) (*Config, error) {
+	var lo loadOptions
+	for _, fn := range opts {
+		fn(&lo)
+	}
+
 	// Set default config file name if not specified
 	if configPath == "" {
 		configPath = "config.yaml"
@@ -106,6 +161,32 @@ func Load(configPath string) (*Config, error) {
 	viper.SetConfigFile(configPath)
 	viper.SetConfigType("yaml")
 
+	// Built-in defaults (lowest priority)
+	viper.SetDefault("server.host", "::")
+	viper.SetDefault("server.port", 8080)
+	viper.SetDefault("server.environment", "production")
+	viper.SetDefault("garage.force_path_style", true)
+	viper.SetDefault("logging.level", "info")
+	viper.SetDefault("logging.format", "text")
+	viper.SetDefault("auth.oidc.cookie_name", "garage_session")
+	viper.SetDefault("auth.oidc.cookie_http_only", true)
+	viper.SetDefault("auth.oidc.cookie_same_site", "lax")
+	viper.SetDefault("auth.oidc.session_max_age", 86400)
+
+	// If garage.toml path is provided, parse it and set values as viper
+	// defaults. Defaults sit below config-file and env-var values in viper's
+	// priority order, so YAML and env vars will still win.
+	if lo.garageTomlPath != "" {
+		tomlResult, err := ParseGarageToml(lo.garageTomlPath)
+		if err != nil {
+			return nil, fmt.Errorf("error parsing garage.toml: %w", err)
+		}
+		viper.SetDefault("garage.endpoint", tomlResult.Endpoint)
+		viper.SetDefault("garage.admin_endpoint", tomlResult.AdminEndpoint)
+		viper.SetDefault("garage.admin_token", tomlResult.AdminToken)
+		viper.SetDefault("garage.region", tomlResult.Region)
+	}
+
 	// Allow environment variables to override config values
 	// Environment variables take precedence over config file
 	viper.AutomaticEnv()
@@ -115,6 +196,13 @@ func Load(configPath string) (*Config, error) {
 	// Env vars override config file values
 	bindEnvVars()
 
+	// Resolve `_FILE`-suffixed env vars for sensitive values (e.g.
+	// {ENV}_FILE=/run/secrets/foo). Must run after bindEnvVars so the
+	// warning about both forms being set fires correctly.
+	if err := applyFileBackedEnvVars(); err != nil {
+		return nil, fmt.Errorf("error resolving _FILE env vars: %w", err)
+	}
+
 	// Read the config file (optional - will use defaults and env vars if not found)
 	if _, err := os.Stat(configPath); err == nil {
 		if err := viper.ReadInConfig(); err != nil {
@@ -165,6 +253,9 @@ func bindEnvVars() {
 	viper.BindEnv("auth.admin.password", "GARAGE_UI_AUTH_ADMIN_PASSWORD")
 	viper.BindEnv("auth.jwt_private_key", "GARAGE_UI_AUTH_JWT_PRIVATE_KEY")
 
+	// Token auth config
+	viper.BindEnv("auth.token.enabled", "GARAGE_UI_AUTH_TOKEN_ENABLED")
+
 	// OIDC config
 	viper.BindEnv("auth.oidc.enabled", "GARAGE_UI_AUTH_OIDC_ENABLED")
 	viper.BindEnv("auth.oidc.provider_name", "GARAGE_UI_AUTH_OIDC_PROVIDER_NAME")
@@ -179,6 +270,7 @@ func bindEnvVars() {
 	viper.BindEnv("auth.oidc.name_attribute", "GARAGE_UI_AUTH_OIDC_NAME_ATTRIBUTE")
 	viper.BindEnv("auth.oidc.role_attribute_path", "GARAGE_UI_AUTH_OIDC_ROLE_ATTRIBUTE_PATH")
 	viper.BindEnv("auth.oidc.admin_role", "GARAGE_UI_AUTH_OIDC_ADMIN_ROLE")
+	viper.BindEnv("auth.oidc.admin_roles", "GARAGE_UI_AUTH_OIDC_ADMIN_ROLES")
 	viper.BindEnv("auth.oidc.tls_skip_verify", "GARAGE_UI_AUTH_OIDC_TLS_SKIP_VERIFY")
 	viper.BindEnv("auth.oidc.session_max_age", "GARAGE_UI_AUTH_OIDC_SESSION_MAX_AGE")
 	viper.BindEnv("auth.oidc.cookie_name", "GARAGE_UI_AUTH_OIDC_COOKIE_NAME")
@@ -199,6 +291,50 @@ func bindEnvVars() {
 	viper.BindEnv("logging.format", "GARAGE_UI_LOGGING_FORMAT")
 }
 
+// fileBackedEnvVars maps env var names to viper config keys for variables that
+// support the `_FILE` suffix convention. Operators may set `{ENV}_FILE` to a
+// file path; the file's contents (with trailing whitespace trimmed) become the
+// effective value. This pattern is used by Docker Official Images (postgres,
+// mysql) to inject secrets via mounted files instead of plain env vars,
+// avoiding exposure through `docker inspect`, process listings, or crash logs.
+//
+// Scope is intentionally limited to values that an operator would reasonably
+// store in a Kubernetes Secret or Docker secret. Non-sensitive config (host,
+// port, endpoints, etc.) is excluded.
+var fileBackedEnvVars = map[string]string{
+	"GARAGE_UI_GARAGE_ADMIN_TOKEN":      "garage.admin_token",
+	"GARAGE_UI_AUTH_ADMIN_USERNAME":     "auth.admin.username",
+	"GARAGE_UI_AUTH_ADMIN_PASSWORD":     "auth.admin.password",
+	"GARAGE_UI_AUTH_JWT_PRIVATE_KEY":    "auth.jwt_private_key",
+	"GARAGE_UI_AUTH_OIDC_CLIENT_ID":     "auth.oidc.client_id",
+	"GARAGE_UI_AUTH_OIDC_CLIENT_SECRET": "auth.oidc.client_secret",
+}
+
+// applyFileBackedEnvVars resolves `_FILE`-suffixed env vars listed in
+// fileBackedEnvVars. For each entry where `{ENV}_FILE` is set, the file is
+// read and its contents (trimmed of trailing CR/LF) become the value via
+// viper.Set, which is the highest-priority source — so a `_FILE` value wins
+// over both `{ENV}` and YAML. A missing or unreadable file is a hard error.
+func applyFileBackedEnvVars() error {
+	for envVar, configKey := range fileBackedEnvVars {
+		path := os.Getenv(envVar + "_FILE")
+		if path == "" {
+			continue
+		}
+		data, err := os.ReadFile(path)
+		if err != nil {
+			return fmt.Errorf("reading %s_FILE (%s): %w", envVar, path, err)
+		}
+		if os.Getenv(envVar) != "" {
+			logger.Warn().
+				Str("env", envVar).
+				Msg("both VAR and VAR_FILE are set; VAR_FILE takes precedence")
+		}
+		viper.Set(configKey, strings.TrimRight(string(data), "\r\n"))
+	}
+	return nil
+}
+
 // Validate checks if the configuration is valid
 func (c *Config) Validate() error {
 	// Validate server config
@@ -239,11 +375,12 @@ func (c *Config) Validate() error {
 			return fmt.Errorf("oidc scopes are required when oidc is enabled")
 		}
 		// Every authenticated route on this service grants full admin
-		// access — there is no separate authorization layer. An empty
-		// admin_role would therefore promote every user in the IdP realm
-		// to cluster admin. Require operators to opt in explicitly.
-		if c.Auth.OIDC.AdminRole == "" {
-			return fmt.Errorf("oidc admin_role is required when oidc is enabled: leaving it empty would grant cluster-admin access to any authenticated IdP user")
+		// access — there is no separate authorization layer. Empty
+		// admin role configuration would therefore promote every user
+		// in the IdP realm to cluster admin. Require operators to opt
+		// in explicitly via admin_role or admin_roles.
+		if len(c.Auth.OIDC.EffectiveAdminRoles()) == 0 {
+			return fmt.Errorf("oidc admin_role or admin_roles is required when oidc is enabled: leaving them empty would grant cluster-admin access to any authenticated IdP user")
 		}
 	}
 
@@ -252,7 +389,7 @@ func (c *Config) Validate() error {
 
 // GetAddress returns the full server address (host:port)
 func (c *Config) GetAddress() string {
-	return fmt.Sprintf("%s:%d", c.Server.Host, c.Server.Port)
+	return net.JoinHostPort(c.Server.Host, strconv.Itoa(c.Server.Port))
 }
 
 // IsDevelopment returns true if running in development mode

backend/internal/config/config_test.go

@@ -3,6 +3,7 @@ package config
 import (
 	"os"
 	"path/filepath"
+	"reflect"
 	"strings"
 	"testing"
 
@@ -82,6 +83,9 @@ func TestLoad_EnvOnly_MissingFile(t *testing.T) {
 	if cfg.Server.Port != 9090 {
 		t.Errorf("Server.Port = %d, want 9090 (from env)", cfg.Server.Port)
 	}
+	if cfg.Server.Host != "::" {
+		t.Errorf("Server.Host = %q, want :: (default)", cfg.Server.Host)
+	}
 	if cfg.Garage.AdminToken != "env-token" {
 		t.Errorf("Garage.AdminToken = %q, want env-token", cfg.Garage.AdminToken)
 	}
@@ -292,7 +296,33 @@ func TestValidate(t *testing.T) {
 				applyValidOIDC(c)
 				c.Auth.OIDC.AdminRole = ""
 			},
-			wantErrContains: "oidc admin_role is required",
+			wantErrContains: "oidc admin_role or admin_roles is required",
+		},
+		{
+			name: "oidc enabled with admin_roles only is valid",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.AdminRole = ""
+				c.Auth.OIDC.AdminRoles = []string{"group1", "group2"}
+			},
+			wantErrContains: "",
+		},
+		{
+			name: "oidc enabled with both admin_role and admin_roles is valid",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.AdminRoles = []string{"group2", "group3"}
+			},
+			wantErrContains: "",
+		},
+		{
+			name: "oidc enabled with empty admin_role and empty admin_roles rejected",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.AdminRole = ""
+				c.Auth.OIDC.AdminRoles = []string{}
+			},
+			wantErrContains: "oidc admin_role or admin_roles is required",
 		},
 		{
 			name:            "oidc fully configured is valid",
@@ -340,6 +370,8 @@ func TestGetAddress(t *testing.T) {
 	}{
 		{"localhost", 8080, "localhost:8080"},
 		{"0.0.0.0", 80, "0.0.0.0:80"},
+		{"::", 80, "[::]:80"},
+		{"::1", 443, "[::1]:443"},
 		{"", 443, ":443"},
 	}
 	for _, tc := range tests {
@@ -374,6 +406,336 @@ func TestIsDevelopment(t *testing.T) {
 	}
 }
 
+func writeToml(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "garage.toml")
+	if err := os.WriteFile(path, []byte(content), 0600); err != nil {
+		t.Fatalf("write toml: %v", err)
+	}
+	return path
+}
+
+const testGarageToml = `
+[admin]
+api_bind_addr = "[::]:3903"
+admin_token = "toml-token"
+
+[s3_api]
+api_bind_addr = "[::]:3900"
+s3_region = "garage"
+`
+
+func TestLoad_GarageTomlOnly(t *testing.T) {
+	resetViper(t)
+	tomlPath := writeToml(t, testGarageToml)
+	missingYaml := filepath.Join(t.TempDir(), "nope.yaml")
+
+	cfg, err := Load(missingYaml, WithGarageToml(tomlPath))
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Garage.AdminToken != "toml-token" {
+		t.Errorf("AdminToken = %q, want toml-token", cfg.Garage.AdminToken)
+	}
+	if cfg.Garage.Endpoint != "http://127.0.0.1:3900" {
+		t.Errorf("Endpoint = %q, want http://127.0.0.1:3900", cfg.Garage.Endpoint)
+	}
+	if cfg.Garage.AdminEndpoint != "http://127.0.0.1:3903" {
+		t.Errorf("AdminEndpoint = %q, want http://127.0.0.1:3903", cfg.Garage.AdminEndpoint)
+	}
+	if cfg.Garage.Region != "garage" {
+		t.Errorf("Region = %q, want garage", cfg.Garage.Region)
+	}
+}
+
+func TestLoad_YAMLOverridesToml(t *testing.T) {
+	resetViper(t)
+	tomlPath := writeToml(t, testGarageToml)
+	yaml := `
+server:
+  host: "0.0.0.0"
+  port: 8080
+garage:
+  endpoint: http://custom:3900
+  admin_endpoint: http://custom:3903
+  admin_token: yaml-wins
+`
+	yamlPath := writeConfigFile(t, yaml)
+
+	cfg, err := Load(yamlPath, WithGarageToml(tomlPath))
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Garage.AdminToken != "yaml-wins" {
+		t.Errorf("AdminToken = %q, want yaml-wins (yaml overrides toml)", cfg.Garage.AdminToken)
+	}
+	if cfg.Garage.Endpoint != "http://custom:3900" {
+		t.Errorf("Endpoint = %q, want http://custom:3900", cfg.Garage.Endpoint)
+	}
+}
+
+func TestLoad_EnvOverridesToml(t *testing.T) {
+	resetViper(t)
+	tomlPath := writeToml(t, testGarageToml)
+	missingYaml := filepath.Join(t.TempDir(), "nope.yaml")
+	t.Setenv("GARAGE_UI_GARAGE_ADMIN_TOKEN", "env-wins")
+
+	cfg, err := Load(missingYaml, WithGarageToml(tomlPath))
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Garage.AdminToken != "env-wins" {
+		t.Errorf("AdminToken = %q, want env-wins (env overrides toml)", cfg.Garage.AdminToken)
+	}
+}
+
+// oidcValidYAML is a minimal configuration that enables OIDC and passes
+// Validate, but deliberately omits auth.oidc.cookie_name.
+const oidcValidYAML = `
+server:
+  host: "0.0.0.0"
+  port: 8080
+  root_url: "https://garage.example.com"
+garage:
+  endpoint: http://garage:3900
+  admin_endpoint: http://garage:3903
+  admin_token: supersecret
+auth:
+  oidc:
+    enabled: true
+    client_id: "garage-ui"
+    issuer_url: "https://idp.example.com/realms/main"
+    scopes:
+      - openid
+    admin_roles:
+      - "garage-ui-admin"
+`
+
+func TestLoad_OIDCCookieNameDefaultsWhenUnset(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, oidcValidYAML)
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	// An empty cookie name makes Fiber silently drop the session Set-Cookie
+	// (net/http rejects empty cookie names), which manifests as an OIDC login
+	// loop. A non-empty default prevents that footgun.
+	if cfg.Auth.OIDC.CookieName != "garage_session" {
+		t.Errorf("CookieName = %q, want garage_session (default)", cfg.Auth.OIDC.CookieName)
+	}
+}
+
+func TestLoad_OIDCCookieNameExplicitValueWins(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, oidcValidYAML+"    cookie_name: \"custom_session\"\n")
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Auth.OIDC.CookieName != "custom_session" {
+		t.Errorf("CookieName = %q, want custom_session (explicit override)", cfg.Auth.OIDC.CookieName)
+	}
+}
+
+func TestLoad_OIDCCookieDefaultsWhenUnset(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, oidcValidYAML)
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	// HTTPOnly must default to true: a session cookie readable from JavaScript
+	// is an XSS token-theft risk.
+	if !cfg.Auth.OIDC.CookieHTTPOnly {
+		t.Errorf("CookieHTTPOnly = false, want true (default)")
+	}
+	// SessionMaxAge must default to a positive value so the cookie's MaxAge
+	// agrees with the 24h JWT instead of becoming a session-only cookie.
+	if cfg.Auth.OIDC.SessionMaxAge != 86400 {
+		t.Errorf("SessionMaxAge = %d, want 86400 (default)", cfg.Auth.OIDC.SessionMaxAge)
+	}
+	if cfg.Auth.OIDC.CookieSameSite != "lax" {
+		t.Errorf("CookieSameSite = %q, want lax (default)", cfg.Auth.OIDC.CookieSameSite)
+	}
+}
+
+func TestLoad_OIDCCookieDefaultsCanBeOverridden(t *testing.T) {
+	resetViper(t)
+	yaml := oidcValidYAML +
+		"    cookie_http_only: false\n" +
+		"    session_max_age: 3600\n" +
+		"    cookie_same_site: \"strict\"\n"
+	path := writeConfigFile(t, yaml)
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Auth.OIDC.CookieHTTPOnly {
+		t.Errorf("CookieHTTPOnly = true, want false (explicit override)")
+	}
+	if cfg.Auth.OIDC.SessionMaxAge != 3600 {
+		t.Errorf("SessionMaxAge = %d, want 3600 (explicit override)", cfg.Auth.OIDC.SessionMaxAge)
+	}
+	if cfg.Auth.OIDC.CookieSameSite != "strict" {
+		t.Errorf("CookieSameSite = %q, want strict (explicit override)", cfg.Auth.OIDC.CookieSameSite)
+	}
+}
+
+func TestEffectiveAdminRoles(t *testing.T) {
+	tests := []struct {
+		name       string
+		adminRole  string
+		adminRoles []string
+		want       []string
+	}{
+		{"both empty", "", nil, nil},
+		{"single only", "admin", nil, []string{"admin"}},
+		{"list only", "", []string{"a", "b"}, []string{"a", "b"}},
+		{"merge single + list", "admin", []string{"viewer", "ops"}, []string{"admin", "viewer", "ops"}},
+		{"dedupes overlap", "admin", []string{"admin", "ops"}, []string{"admin", "ops"}},
+		{"dedupes within list", "", []string{"a", "a", "b"}, []string{"a", "b"}},
+		{"skips empty strings in list", "admin", []string{"", "ops", ""}, []string{"admin", "ops"}},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			o := OIDCConfig{AdminRole: tc.adminRole, AdminRoles: tc.adminRoles}
+			got := o.EffectiveAdminRoles()
+			if !reflect.DeepEqual(got, tc.want) {
+				t.Errorf("EffectiveAdminRoles() = %v, want %v", got, tc.want)
+			}
+		})
+	}
+}
+
+// writeSecretFile is a test helper that writes content to a temp file and
+// returns the absolute path. Uses t.TempDir so cleanup is automatic.
+func writeSecretFile(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "secret")
+	if err := os.WriteFile(path, []byte(content), 0o600); err != nil {
+		t.Fatalf("write temp secret: %v", err)
+	}
+	return path
+}
+
+func TestApplyFileBackedEnvVars(t *testing.T) {
+	tests := []struct {
+		name           string
+		envVar         string
+		configKey      string
+		fileBody       string
+		alsoSetEnv     string
+		useMissingFile bool
+		wantValue      string
+		wantErr        bool
+	}{
+		{
+			name:      "reads value from file",
+			envVar:    "GARAGE_UI_AUTH_ADMIN_PASSWORD",
+			configKey: "auth.admin.password",
+			fileBody:  "s3cret",
+			wantValue: "s3cret",
+		},
+		{
+			name:      "trims trailing newline",
+			envVar:    "GARAGE_UI_GARAGE_ADMIN_TOKEN",
+			configKey: "garage.admin_token",
+			fileBody:  "tok\n",
+			wantValue: "tok",
+		},
+		{
+			name:      "trims trailing CRLF",
+			envVar:    "GARAGE_UI_AUTH_OIDC_CLIENT_SECRET",
+			configKey: "auth.oidc.client_secret",
+			fileBody:  "secret\r\n",
+			wantValue: "secret",
+		},
+		{
+			name:       "_FILE wins over plain env var",
+			envVar:     "GARAGE_UI_AUTH_ADMIN_USERNAME",
+			configKey:  "auth.admin.username",
+			fileBody:   "from-file",
+			alsoSetEnv: "from-env",
+			wantValue:  "from-file",
+		},
+		{
+			name:           "missing file returns error",
+			envVar:         "GARAGE_UI_AUTH_JWT_PRIVATE_KEY",
+			configKey:      "auth.jwt_private_key",
+			useMissingFile: true,
+			wantErr:        true,
+		},
+		{
+			name:      "multiline PEM preserved internally, only trailing whitespace trimmed",
+			envVar:    "GARAGE_UI_AUTH_JWT_PRIVATE_KEY",
+			configKey: "auth.jwt_private_key",
+			fileBody:  "-----BEGIN PRIVATE KEY-----\nABC\n-----END PRIVATE KEY-----\n",
+			wantValue: "-----BEGIN PRIVATE KEY-----\nABC\n-----END PRIVATE KEY-----",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			resetViper(t)
+
+			if tc.useMissingFile {
+				t.Setenv(tc.envVar+"_FILE", filepath.Join(t.TempDir(), "does-not-exist"))
+			} else {
+				path := writeSecretFile(t, tc.fileBody)
+				t.Setenv(tc.envVar+"_FILE", path)
+			}
+			if tc.alsoSetEnv != "" {
+				t.Setenv(tc.envVar, tc.alsoSetEnv)
+			}
+
+			err := applyFileBackedEnvVars()
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got nil")
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got := viper.GetString(tc.configKey); got != tc.wantValue {
+				t.Fatalf("viper.GetString(%q) = %q, want %q", tc.configKey, got, tc.wantValue)
+			}
+		})
+	}
+}
+
+func TestApplyFileBackedEnvVars_NoFileEnvSet_NoOp(t *testing.T) {
+	resetViper(t)
+	if err := applyFileBackedEnvVars(); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if got := viper.GetString("auth.admin.password"); got != "" {
+		t.Fatalf("expected empty password, got %q", got)
+	}
+}
+
+func TestLoad_FileBackedEnvVarMissingFileReturnsError(t *testing.T) {
+	resetViper(t)
+	yamlPath := writeConfigFile(t, minimalValidYAML)
+	t.Setenv("GARAGE_UI_GARAGE_ADMIN_TOKEN_FILE", filepath.Join(t.TempDir(), "does-not-exist"))
+
+	_, err := Load(yamlPath)
+	if err == nil {
+		t.Fatal("expected error from Load when _FILE points at a missing file, got nil")
+	}
+	if !strings.Contains(err.Error(), "error resolving _FILE env vars") {
+		t.Errorf("error %q does not contain wrapped prefix from Load", err)
+	}
+}
+
 func TestIsProduction(t *testing.T) {
 	tests := []struct {
 		env  string

backend/internal/config/garagetoml.go

@@ -0,0 +1,105 @@
+package config
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"strings"
+
+	toml "github.com/pelletier/go-toml/v2"
+)
+
+// GarageTomlResult holds the values extracted from a garage.toml file.
+type GarageTomlResult struct {
+	Endpoint      string
+	AdminEndpoint string
+	AdminToken    string
+	Region        string
+}
+
+// garageTomlFile represents the subset of garage.toml we care about.
+type garageTomlFile struct {
+	S3API struct {
+		APIBindAddr string `toml:"api_bind_addr"`
+		S3Region    string `toml:"s3_region"`
+	} `toml:"s3_api"`
+	Admin struct {
+		APIBindAddr string `toml:"api_bind_addr"`
+		AdminToken  string `toml:"admin_token"`
+	} `toml:"admin"`
+}
+
+// ParseGarageToml reads a garage.toml file and extracts the values needed
+// for garage-ui configuration.
+func ParseGarageToml(path string) (*GarageTomlResult, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("reading garage.toml: %w", err)
+	}
+
+	var f garageTomlFile
+	if err := toml.Unmarshal(data, &f); err != nil {
+		return nil, fmt.Errorf("parsing garage.toml: %w", err)
+	}
+
+	if f.Admin.AdminToken == "" {
+		return nil, fmt.Errorf("garage.toml: [admin].admin_token is required")
+	}
+	if f.Admin.APIBindAddr == "" {
+		return nil, fmt.Errorf("garage.toml: [admin].api_bind_addr is required")
+	}
+	if f.S3API.APIBindAddr == "" {
+		return nil, fmt.Errorf("garage.toml: [s3_api].api_bind_addr is required")
+	}
+
+	adminEndpoint, err := convertBindAddr(f.Admin.APIBindAddr)
+	if err != nil {
+		return nil, fmt.Errorf("garage.toml: converting admin api_bind_addr: %w", err)
+	}
+
+	s3Endpoint, err := convertBindAddr(f.S3API.APIBindAddr)
+	if err != nil {
+		return nil, fmt.Errorf("garage.toml: converting s3_api api_bind_addr: %w", err)
+	}
+
+	region := f.S3API.S3Region
+	if region == "" {
+		region = "garage"
+	}
+
+	return &GarageTomlResult{
+		Endpoint:      s3Endpoint,
+		AdminEndpoint: adminEndpoint,
+		AdminToken:    f.Admin.AdminToken,
+		Region:        region,
+	}, nil
+}
+
+// convertBindAddr converts a bind address like "[::]:3900" into an HTTP
+// endpoint like "http://127.0.0.1:3900". Wildcard hosts (::, 0.0.0.0, empty)
+// are replaced with 127.0.0.1.
+func convertBindAddr(bindAddr string) (string, error) {
+	if bindAddr == "" {
+		return "", fmt.Errorf("bind address is empty")
+	}
+
+	host, port, err := net.SplitHostPort(bindAddr)
+	if err != nil {
+		return "", fmt.Errorf("invalid bind address %q: %w", bindAddr, err)
+	}
+
+	if port == "" {
+		return "", fmt.Errorf("bind address %q has no port", bindAddr)
+	}
+
+	switch host {
+	case "", "::", "0.0.0.0":
+		host = "127.0.0.1"
+	}
+
+	if strings.Contains(host, ":") {
+		host = "[" + host + "]"
+	}
+
+	return fmt.Sprintf("http://%s:%s", host, port), nil
+}

backend/internal/config/garagetoml_test.go

@@ -0,0 +1,165 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func writeTomlFile(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "garage.toml")
+	if err := os.WriteFile(path, []byte(content), 0600); err != nil {
+		t.Fatalf("write toml: %v", err)
+	}
+	return path
+}
+
+const validGarageToml = `
+metadata_dir = "/var/lib/garage/meta"
+data_dir = "/var/lib/garage/data"
+replication_factor = 1
+
+rpc_bind_addr = "[::]:3901"
+rpc_public_addr = "127.0.0.1:3901"
+rpc_secret = "0000000000000000000000000000000000000000000000000000000000000000"
+
+[s3_api]
+s3_region = "garage"
+api_bind_addr = "[::]:3900"
+root_domain = ".s3.garage"
+
+[s3_web]
+bind_addr = "[::]:3902"
+root_domain = ".web.garage"
+index = "index.html"
+
+[admin]
+api_bind_addr = "[::]:3903"
+admin_token = "my-secret-admin-token"
+`
+
+func TestParseGarageToml_ValidFile(t *testing.T) {
+	path := writeTomlFile(t, validGarageToml)
+	result, err := ParseGarageToml(path)
+	if err != nil {
+		t.Fatalf("ParseGarageToml: %v", err)
+	}
+	if result.AdminToken != "my-secret-admin-token" {
+		t.Errorf("AdminToken = %q, want my-secret-admin-token", result.AdminToken)
+	}
+	if result.AdminEndpoint != "http://127.0.0.1:3903" {
+		t.Errorf("AdminEndpoint = %q, want http://127.0.0.1:3903", result.AdminEndpoint)
+	}
+	if result.Endpoint != "http://127.0.0.1:3900" {
+		t.Errorf("Endpoint = %q, want http://127.0.0.1:3900", result.Endpoint)
+	}
+	if result.Region != "garage" {
+		t.Errorf("Region = %q, want garage", result.Region)
+	}
+}
+
+func TestParseGarageToml_MissingAdminToken(t *testing.T) {
+	toml := `
+[admin]
+api_bind_addr = "[::]:3903"
+[s3_api]
+api_bind_addr = "[::]:3900"
+`
+	path := writeTomlFile(t, toml)
+	_, err := ParseGarageToml(path)
+	if err == nil {
+		t.Fatal("expected error for missing admin_token, got nil")
+	}
+}
+
+func TestParseGarageToml_MissingAdminBindAddr(t *testing.T) {
+	toml := `
+[admin]
+admin_token = "tok"
+[s3_api]
+api_bind_addr = "[::]:3900"
+`
+	path := writeTomlFile(t, toml)
+	_, err := ParseGarageToml(path)
+	if err == nil {
+		t.Fatal("expected error for missing admin api_bind_addr, got nil")
+	}
+}
+
+func TestParseGarageToml_MissingS3BindAddr(t *testing.T) {
+	toml := `
+[admin]
+admin_token = "tok"
+api_bind_addr = "[::]:3903"
+[s3_api]
+s3_region = "garage"
+`
+	path := writeTomlFile(t, toml)
+	_, err := ParseGarageToml(path)
+	if err == nil {
+		t.Fatal("expected error for missing s3_api api_bind_addr, got nil")
+	}
+}
+
+func TestParseGarageToml_DefaultRegion(t *testing.T) {
+	toml := `
+[admin]
+admin_token = "tok"
+api_bind_addr = "[::]:3903"
+[s3_api]
+api_bind_addr = "[::]:3900"
+`
+	path := writeTomlFile(t, toml)
+	result, err := ParseGarageToml(path)
+	if err != nil {
+		t.Fatalf("ParseGarageToml: %v", err)
+	}
+	if result.Region != "garage" {
+		t.Errorf("Region = %q, want garage (default)", result.Region)
+	}
+}
+
+func TestParseGarageToml_FileNotFound(t *testing.T) {
+	_, err := ParseGarageToml("/nonexistent/garage.toml")
+	if err == nil {
+		t.Fatal("expected error for missing file, got nil")
+	}
+}
+
+func TestConvertBindAddr(t *testing.T) {
+	tests := []struct {
+		name     string
+		bindAddr string
+		want     string
+		wantErr  bool
+	}{
+		{"ipv6 wildcard", "[::]:3900", "http://127.0.0.1:3900", false},
+		{"ipv4 wildcard", "0.0.0.0:3900", "http://127.0.0.1:3900", false},
+		{"localhost", "127.0.0.1:3900", "http://127.0.0.1:3900", false},
+		{"specific ipv4", "192.168.1.1:3900", "http://192.168.1.1:3900", false},
+		{"ipv6 localhost", "[::1]:3900", "http://[::1]:3900", false},
+		{"specific ipv6", "[2001:db8::1]:3900", "http://[2001:db8::1]:3900", false},
+		{"empty host", ":3900", "http://127.0.0.1:3900", false},
+		{"empty string", "", "", true},
+		{"no port", "127.0.0.1", "", true},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			got, err := convertBindAddr(tc.bindAddr)
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got %q", got)
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tc.want {
+				t.Errorf("convertBindAddr(%q) = %q, want %q", tc.bindAddr, got, tc.want)
+			}
+		})
+	}
+}

backend/internal/handlers/auth.go

@@ -1,6 +1,8 @@
 package handlers
 
 import (
+	"crypto/subtle"
+
 	"Noooste/garage-ui/internal/auth"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/models"
@@ -38,6 +40,9 @@ func (h *AuthHandler) GetAuthConfig(c fiber.Ctx) error {
 		"oidc": fiber.Map{
 			"enabled": h.cfg.Auth.OIDC.Enabled,
 		},
+		"token": fiber.Map{
+			"enabled": h.cfg.Auth.Token.Enabled,
+		},
 	}
 
 	// Add provider name if OIDC is enabled
@@ -108,6 +113,47 @@ func (h *AuthHandler) LoginAdmin(c fiber.Ctx) error {
 	})
 }
 
+// LoginTokenRequest represents the token auth login request
+type LoginTokenRequest struct {
+	Token string `json:"token" validate:"required"`
+}
+
+// LoginToken handles admin token authentication login
+func (h *AuthHandler) LoginToken(c fiber.Ctx) error {
+	var req LoginTokenRequest
+	if err := c.Bind().JSON(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Invalid request body"),
+		)
+	}
+
+	// Constant-time comparison to prevent timing attacks
+	if subtle.ConstantTimeCompare([]byte(h.cfg.Garage.AdminToken), []byte(req.Token)) != 1 {
+		return c.Status(fiber.StatusUnauthorized).JSON(
+			models.ErrorResponse(models.ErrCodeUnauthorized, "Invalid admin token"),
+		)
+	}
+
+	userInfo := &auth.UserInfo{
+		Username: "admin-token",
+	}
+
+	sessionToken, err := h.authService.GenerateSessionToken(userInfo)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to create session"),
+		)
+	}
+
+	return c.JSON(fiber.Map{
+		"success": true,
+		"token":   sessionToken,
+		"user": fiber.Map{
+			"username": userInfo.Username,
+		},
+	})
+}
+
 // GetMe returns the current authenticated user's information
 //
 //	@Summary		Get current user

backend/internal/handlers/auth_test.go

@@ -250,6 +250,139 @@ func TestLoginAdmin_MalformedJSONReturns400(t *testing.T) {
 	}
 }
 
+func TestLoginToken_Success(t *testing.T) {
+	cfg := &config.Config{
+		Garage: config.GarageConfig{
+			AdminToken:    "test-admin-token",
+			Endpoint:      "http://g:3900",
+			AdminEndpoint: "http://g:3903",
+		},
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	svc := newAuthTestService(t, cfg.Auth.Admin)
+	h := NewAuthHandler(cfg, svc)
+	app := fiber.New()
+	app.Post("/auth/login-token", h.LoginToken)
+
+	body := `{"token":"test-admin-token"}`
+	req := httptest.NewRequest(http.MethodPost, "/auth/login-token", strings.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		raw, _ := io.ReadAll(resp.Body)
+		t.Fatalf("status = %d, want 200\nbody: %s", resp.StatusCode, raw)
+	}
+
+	var decoded struct {
+		Success bool   `json:"success"`
+		Token   string `json:"token"`
+		User    struct {
+			Username string `json:"username"`
+		} `json:"user"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&decoded); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if !decoded.Success {
+		t.Error("success = false")
+	}
+	if decoded.Token == "" {
+		t.Error("token empty")
+	}
+	if decoded.User.Username != "admin-token" {
+		t.Errorf("username = %q, want admin-token", decoded.User.Username)
+	}
+}
+
+func TestLoginToken_WrongToken(t *testing.T) {
+	cfg := &config.Config{
+		Garage: config.GarageConfig{
+			AdminToken:    "test-admin-token",
+			Endpoint:      "http://g:3900",
+			AdminEndpoint: "http://g:3903",
+		},
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	svc := newAuthTestService(t, cfg.Auth.Admin)
+	h := NewAuthHandler(cfg, svc)
+	app := fiber.New()
+	app.Post("/auth/login-token", h.LoginToken)
+
+	body := `{"token":"wrong-token"}`
+	req := httptest.NewRequest(http.MethodPost, "/auth/login-token", strings.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func TestLoginToken_MalformedJSONReturns400(t *testing.T) {
+	cfg := &config.Config{
+		Garage: config.GarageConfig{
+			AdminToken:    "test-admin-token",
+			Endpoint:      "http://g:3900",
+			AdminEndpoint: "http://g:3903",
+		},
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	svc := newAuthTestService(t, cfg.Auth.Admin)
+	h := NewAuthHandler(cfg, svc)
+	app := fiber.New()
+	app.Post("/auth/login-token", h.LoginToken)
+
+	req := httptest.NewRequest(http.MethodPost, "/auth/login-token", strings.NewReader("{not-json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestGetAuthConfig_TokenEnabled(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+	req := httptest.NewRequest(http.MethodGet, "/auth/config", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	var body struct {
+		Token struct {
+			Enabled bool `json:"enabled"`
+		} `json:"token"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if !body.Token.Enabled {
+		t.Error("token.enabled = false, want true")
+	}
+}
+
 func TestGetMe_OIDCUserInfoLocal(t *testing.T) {
 	cfg := &config.Config{Auth: config.AuthConfig{}}
 	app, h := newAuthTestApp(t, cfg)

backend/internal/handlers/buckets.go

@@ -74,6 +74,7 @@ func (h *BucketHandler) ListBuckets(c fiber.Ctx) error {
 			Size:          &detailedInfo.Bytes,
 			WebsiteAccess: detailedInfo.WebsiteAccess,
 			WebsiteConfig: detailedInfo.WebsiteConfig,
+			Quotas:        detailedInfo.Quotas,
 		}
 
 		buckets = append(buckets, bucketInfo)
@@ -287,23 +288,60 @@ func (h *BucketHandler) GrantBucketPermission(c fiber.Ctx) error {
 		)
 	}
 
-	// Build the permission request for Garage Admin API
-	permRequest := models.BucketKeyPermRequest{
-		BucketID:    bucketInfo.ID,
-		AccessKeyID: req.AccessKeyID,
-		Permissions: models.BucketKeyPermission{
-			Read:  req.Permissions.Read,
-			Write: req.Permissions.Write,
-			Owner: req.Permissions.Owner,
-		},
+	// Garage's AllowBucketKey is additive — false values are no-ops, not revokes.
+	// To make this endpoint a true "set permissions" operation, split into Allow
+	// for the requested-true perms and Deny for the requested-false perms.
+	allow := models.BucketKeyPermission{
+		Read:  req.Permissions.Read,
+		Write: req.Permissions.Write,
+		Owner: req.Permissions.Owner,
+	}
+	deny := models.BucketKeyPermission{
+		Read:  !req.Permissions.Read,
+		Write: !req.Permissions.Write,
+		Owner: !req.Permissions.Owner,
 	}
 
-	// Grant permissions using Garage Admin API
-	result, err := h.adminService.AllowBucketKey(ctx, permRequest)
-	if err != nil {
-		return c.Status(fiber.StatusInternalServerError).JSON(
-			models.ErrorResponse(models.ErrCodeInternalError, "Failed to grant permissions: "+err.Error()),
-		)
+	var result *models.GarageBucketInfo
+
+	if allow.Read || allow.Write || allow.Owner {
+		r, err := h.adminService.AllowBucketKey(ctx, models.BucketKeyPermRequest{
+			BucketID:    bucketInfo.ID,
+			AccessKeyID: req.AccessKeyID,
+			Permissions: allow,
+		})
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(
+				models.ErrorResponse(models.ErrCodeInternalError, "Failed to grant permissions: "+err.Error()),
+			)
+		}
+		result = r
+	}
+
+	if deny.Read || deny.Write || deny.Owner {
+		r, err := h.adminService.DenyBucketKey(ctx, models.BucketKeyPermRequest{
+			BucketID:    bucketInfo.ID,
+			AccessKeyID: req.AccessKeyID,
+			Permissions: deny,
+		})
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(
+				models.ErrorResponse(models.ErrCodeInternalError, "Failed to revoke permissions: "+err.Error()),
+			)
+		}
+		result = r
+	}
+
+	if result == nil {
+		// Caller passed all-false on a key with no existing perms — nothing to do.
+		// Fetch current bucket state to return a consistent response.
+		r, err := h.adminService.GetBucketInfo(ctx, bucketInfo.ID)
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(
+				models.ErrorResponse(models.ErrCodeInternalError, "Failed to fetch bucket info: "+err.Error()),
+			)
+		}
+		result = r
 	}
 
 	return c.JSON(models.SuccessResponse(result))
@@ -382,3 +420,74 @@ func (h *BucketHandler) UpdateBucketWebsite(c fiber.Ctx) error {
 
 	return c.JSON(models.SuccessResponse(result))
 }
+
+// UpdateBucketQuotas updates the quota settings for a bucket
+//
+//	@Summary		Update bucket quotas
+//	@Description	Sets or clears the max size (bytes) and max object count quotas for a bucket. A null field clears that quota (unlimited).
+//	@Tags			Buckets
+//	@Accept			json
+//	@Produce		json
+//	@Param			name	path		string												true	"Name of the bucket"
+//	@Param			request	body		models.UpdateBucketQuotasRequest					true	"Quota configuration"
+//	@Success		200		{object}	models.APIResponse{data=models.GarageBucketInfo}	"Quotas updated"
+//	@Failure		400		{object}	models.APIResponse{error=models.APIError}			"Invalid request"
+//	@Failure		404		{object}	models.APIResponse{error=models.APIError}			"Bucket not found"
+//	@Failure		500		{object}	models.APIResponse{error=models.APIError}			"Failed to update bucket"
+//	@Router			/api/v1/buckets/{name}/quotas [put]
+func (h *BucketHandler) UpdateBucketQuotas(c fiber.Ctx) error {
+	ctx := c.Context()
+
+	bucketName := c.Params("name")
+	if bucketName == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Bucket name is required"),
+		)
+	}
+
+	var req models.UpdateBucketQuotasRequest
+	if err := c.Bind().JSON(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Invalid request body: "+err.Error()),
+		)
+	}
+
+	if req.MaxSize != nil && *req.MaxSize <= 0 {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "maxSize must be greater than 0"),
+		)
+	}
+	if req.MaxObjects != nil && *req.MaxObjects <= 0 {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "maxObjects must be greater than 0"),
+		)
+	}
+
+	bucketInfo, err := h.adminService.GetBucketInfoByAlias(ctx, bucketName)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get bucket info: "+err.Error()),
+		)
+	}
+	if bucketInfo == nil {
+		return c.Status(fiber.StatusNotFound).JSON(
+			models.ErrorResponse(models.ErrCodeBucketNotFound, "Bucket does not exist"),
+		)
+	}
+
+	updateReq := models.UpdateBucketRequest{
+		Quotas: &models.BucketQuotas{
+			MaxSize:    req.MaxSize,
+			MaxObjects: req.MaxObjects,
+		},
+	}
+
+	result, err := h.adminService.UpdateBucket(ctx, bucketInfo.ID, updateReq)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to update bucket quotas: "+err.Error()),
+		)
+	}
+
+	return c.JSON(models.SuccessResponse(result))
+}

backend/internal/handlers/buckets_test.go

@@ -29,6 +29,7 @@ func newBucketsTestApp(t *testing.T) (*fiber.App, *mocks.AdminMock) {
 	app.Delete("/buckets/:name", h.DeleteBucket)
 	app.Post("/buckets/:name/permissions", h.GrantBucketPermission)
 	app.Put("/buckets/:name/website", h.UpdateBucketWebsite)
+	app.Put("/buckets/:name/quotas", h.UpdateBucketQuotas)
 	return app, admin
 }
 
@@ -294,10 +295,19 @@ func TestGrantBucketPermission_Success(t *testing.T) {
 	}
 	admin.AllowBucketKeyFn = func(_ context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
 		if req.BucketID != "id-1" || req.AccessKeyID != "AKIA" {
-			t.Errorf("req = %+v", req)
+			t.Errorf("allow req = %+v", req)
 		}
 		if !req.Permissions.Read || !req.Permissions.Write || req.Permissions.Owner {
-			t.Errorf("perms = %+v", req.Permissions)
+			t.Errorf("allow perms = %+v", req.Permissions)
+		}
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.DenyBucketKeyFn = func(_ context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+		if req.BucketID != "id-1" || req.AccessKeyID != "AKIA" {
+			t.Errorf("deny req = %+v", req)
+		}
+		if req.Permissions.Read || req.Permissions.Write || !req.Permissions.Owner {
+			t.Errorf("deny perms = %+v", req.Permissions)
 		}
 		return &models.GarageBucketInfo{ID: "id-1"}, nil
 	}
@@ -417,3 +427,196 @@ func TestUpdateBucketWebsite_Disable(t *testing.T) {
 		t.Fatalf("status = %d", resp.StatusCode)
 	}
 }
+
+func TestUpdateBucketQuotas_SetBoth(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil")
+		}
+		if req.Quotas.MaxSize == nil || *req.Quotas.MaxSize != 53687091200 {
+			t.Errorf("MaxSize = %v, want 53687091200", req.Quotas.MaxSize)
+		}
+		if req.Quotas.MaxObjects == nil || *req.Quotas.MaxObjects != 10000 {
+			t.Errorf("MaxObjects = %v, want 10000", req.Quotas.MaxObjects)
+		}
+		return &models.GarageBucketInfo{ID: id, Quotas: req.Quotas}, nil
+	}
+
+	maxSize := int64(53687091200)
+	maxObjects := int64(10000)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &maxSize, MaxObjects: &maxObjects})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_SetOnlyMaxSize(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil")
+		}
+		if req.Quotas.MaxSize == nil || *req.Quotas.MaxSize != 1024 {
+			t.Errorf("MaxSize = %v, want 1024", req.Quotas.MaxSize)
+		}
+		if req.Quotas.MaxObjects != nil {
+			t.Errorf("MaxObjects = %v, want nil", req.Quotas.MaxObjects)
+		}
+		return &models.GarageBucketInfo{ID: id, Quotas: req.Quotas}, nil
+	}
+
+	maxSize := int64(1024)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &maxSize})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_SetOnlyMaxObjects(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil")
+		}
+		if req.Quotas.MaxObjects == nil || *req.Quotas.MaxObjects != 500 {
+			t.Errorf("MaxObjects = %v, want 500", req.Quotas.MaxObjects)
+		}
+		if req.Quotas.MaxSize != nil {
+			t.Errorf("MaxSize = %v, want nil", req.Quotas.MaxSize)
+		}
+		return &models.GarageBucketInfo{ID: id, Quotas: req.Quotas}, nil
+	}
+
+	maxObjects := int64(500)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxObjects: &maxObjects})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_ClearBoth(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil (envelope must be present so service clears both)")
+		}
+		if req.Quotas.MaxSize != nil {
+			t.Errorf("MaxSize = %v, want nil", req.Quotas.MaxSize)
+		}
+		if req.Quotas.MaxObjects != nil {
+			t.Errorf("MaxObjects = %v, want nil", req.Quotas.MaxObjects)
+		}
+		return &models.GarageBucketInfo{ID: id}, nil
+	}
+
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_RejectsZeroMaxSize(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	zero := int64(0)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &zero})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_RejectsNegativeMaxObjects(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	neg := int64(-1)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxObjects: &neg})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_NotFound(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return nil, nil
+	}
+	maxSize := int64(1024)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &maxSize})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/missing/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_MalformedJSONReturns400(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader([]byte("{not json")))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}

backend/internal/handlers/capabilities.go

@@ -0,0 +1,27 @@
+package handlers
+
+import (
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+type CapabilitiesHandler struct {
+	apiVersion   string
+	capabilities services.Capabilities
+}
+
+func NewCapabilitiesHandler(apiVersion string, capabilities services.Capabilities) *CapabilitiesHandler {
+	return &CapabilitiesHandler{
+		apiVersion:   apiVersion,
+		capabilities: capabilities,
+	}
+}
+
+func (h *CapabilitiesHandler) GetCapabilities(c fiber.Ctx) error {
+	return c.JSON(models.SuccessResponse(fiber.Map{
+		"garageApiVersion": h.apiVersion,
+		"features":         h.capabilities,
+	}))
+}

backend/internal/handlers/capabilities_test.go

@@ -0,0 +1,78 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/services"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func TestCapabilities_V2(t *testing.T) {
+	app := fiber.New()
+	h := NewCapabilitiesHandler("v2", services.CapabilitiesV2())
+	app.Get("/capabilities", h.GetCapabilities)
+
+	req := httptest.NewRequest(http.MethodGet, "/capabilities", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	var body struct {
+		Success bool `json:"success"`
+		Data    struct {
+			GarageApiVersion string              `json:"garageApiVersion"`
+			Features         services.Capabilities `json:"features"`
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatal(err)
+	}
+	if !body.Success {
+		t.Fatal("expected success=true")
+	}
+	if body.Data.GarageApiVersion != "v2" {
+		t.Errorf("garageApiVersion = %q, want v2", body.Data.GarageApiVersion)
+	}
+	if !body.Data.Features.ClusterStatistics || !body.Data.Features.NodeInfo || !body.Data.Features.NodeStatistics {
+		t.Errorf("features = %+v, want all true", body.Data.Features)
+	}
+}
+
+func TestCapabilities_V1(t *testing.T) {
+	app := fiber.New()
+	h := NewCapabilitiesHandler("v1", services.CapabilitiesV1())
+	app.Get("/capabilities", h.GetCapabilities)
+
+	req := httptest.NewRequest(http.MethodGet, "/capabilities", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+
+	var body struct {
+		Data struct {
+			GarageApiVersion string              `json:"garageApiVersion"`
+			Features         services.Capabilities `json:"features"`
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatal(err)
+	}
+	if body.Data.GarageApiVersion != "v1" {
+		t.Errorf("garageApiVersion = %q, want v1", body.Data.GarageApiVersion)
+	}
+	if body.Data.Features.ClusterStatistics || body.Data.Features.NodeInfo || body.Data.Features.NodeStatistics {
+		t.Errorf("features = %+v, want all false", body.Data.Features)
+	}
+}

backend/internal/handlers/cluster.go

@@ -1,6 +1,8 @@
 package handlers
 
 import (
+	"errors"
+
 	"Noooste/garage-ui/internal/models"
 	"Noooste/garage-ui/internal/services"
 
@@ -69,14 +71,17 @@ func (h *ClusterHandler) GetStatus(c fiber.Ctx) error {
 // GET /api/v1/cluster/statistics
 func (h *ClusterHandler) GetStatistics(c fiber.Ctx) error {
 	ctx := c.Context()
-
 	stats, err := h.adminService.GetClusterStatistics(ctx)
 	if err != nil {
+		if errors.Is(err, services.ErrUnsupported) {
+			return c.Status(fiber.StatusNotImplemented).JSON(
+				models.ErrorResponse(models.ErrCodeUnsupported, "This feature requires Garage v2.0+"),
+			)
+		}
 		return c.Status(fiber.StatusInternalServerError).JSON(
 			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get cluster statistics: "+err.Error()),
 		)
 	}
-
 	return c.JSON(models.SuccessResponse(stats))
 }
 
@@ -95,20 +100,22 @@ func (h *ClusterHandler) GetStatistics(c fiber.Ctx) error {
 func (h *ClusterHandler) GetNodeInfo(c fiber.Ctx) error {
 	ctx := c.Context()
 	nodeID := c.Params("node_id")
-
 	if nodeID == "" {
 		return c.Status(fiber.StatusBadRequest).JSON(
 			models.ErrorResponse(models.ErrCodeBadRequest, "Node ID is required"),
 		)
 	}
-
 	info, err := h.adminService.GetNodeInfo(ctx, nodeID)
 	if err != nil {
+		if errors.Is(err, services.ErrUnsupported) {
+			return c.Status(fiber.StatusNotImplemented).JSON(
+				models.ErrorResponse(models.ErrCodeUnsupported, "This feature requires Garage v2.0+"),
+			)
+		}
 		return c.Status(fiber.StatusInternalServerError).JSON(
 			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get node info: "+err.Error()),
 		)
 	}
-
 	return c.JSON(models.SuccessResponse(info))
 }
 
@@ -127,19 +134,21 @@ func (h *ClusterHandler) GetNodeInfo(c fiber.Ctx) error {
 func (h *ClusterHandler) GetNodeStatistics(c fiber.Ctx) error {
 	ctx := c.Context()
 	nodeID := c.Params("node_id")
-
 	if nodeID == "" {
 		return c.Status(fiber.StatusBadRequest).JSON(
 			models.ErrorResponse(models.ErrCodeBadRequest, "Node ID is required"),
 		)
 	}
-
 	stats, err := h.adminService.GetNodeStatistics(ctx, nodeID)
 	if err != nil {
+		if errors.Is(err, services.ErrUnsupported) {
+			return c.Status(fiber.StatusNotImplemented).JSON(
+				models.ErrorResponse(models.ErrCodeUnsupported, "This feature requires Garage v2.0+"),
+			)
+		}
 		return c.Status(fiber.StatusInternalServerError).JSON(
 			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get node statistics: "+err.Error()),
 		)
 	}
-
 	return c.JSON(models.SuccessResponse(stats))
 }

backend/internal/handlers/cluster_test.go

@@ -9,6 +9,7 @@ import (
 	"testing"
 
 	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
 	"Noooste/garage-ui/internal/services/mocks"
 
 	"github.com/gofiber/fiber/v3"
@@ -124,6 +125,42 @@ func TestCluster_GetStatistics_ServiceErrorReturns500(t *testing.T) {
 	}
 }
 
+func TestCluster_GetStatistics_UnsupportedReturns501(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterStatisticsFn = func(_ context.Context) (*models.ClusterStatistics, error) {
+		return nil, services.ErrUnsupported
+	}
+	resp := doGet(t, app, "/cluster/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotImplemented {
+		t.Fatalf("status = %d, want 501", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeInfo_UnsupportedReturns501(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeInfoFn = func(_ context.Context, _ string) (*models.MultiNodeResponse, error) {
+		return nil, services.ErrUnsupported
+	}
+	resp := doGet(t, app, "/cluster/nodes/n1")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotImplemented {
+		t.Fatalf("status = %d, want 501", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeStatistics_UnsupportedReturns501(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeStatisticsFn = func(_ context.Context, _ string) (*models.MultiNodeResponse, error) {
+		return nil, services.ErrUnsupported
+	}
+	resp := doGet(t, app, "/cluster/nodes/n1/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotImplemented {
+		t.Fatalf("status = %d, want 501", resp.StatusCode)
+	}
+}
+
 func TestCluster_GetNodeInfo_Success(t *testing.T) {
 	app, admin := newClusterTestApp(t)
 	admin.GetNodeInfoFn = func(_ context.Context, nodeID string) (*models.MultiNodeResponse, error) {

backend/internal/handlers/objects.go

@@ -194,6 +194,58 @@ func (h *ObjectHandler) UploadObject(c fiber.Ctx) error {
 	return c.Status(fiber.StatusCreated).JSON(models.SuccessResponse(uploadResult))
 }
 
+// CreateDirectory creates an empty directory marker in a bucket.
+//
+//	@Summary		Create directory in bucket
+//	@Description	Creates a zero-byte object whose key ends with "/" so that S3 clients display it as an empty folder.
+//	@Tags			Objects
+//	@Accept			json
+//	@Produce		json
+//	@Param			bucket	path		string												true	"Name of the bucket"
+//	@Param			request	body		object{key=string}									true	"Directory key (must end with '/')"
+//	@Success		201		{object}	models.APIResponse{data=models.ObjectUploadResponse}	"Directory created"
+//	@Failure		400		{object}	models.APIResponse{error=models.APIError}			"Invalid request parameters"
+//	@Failure		500		{object}	models.APIResponse{error=models.APIError}			"Failed to create directory"
+//	@Router			/api/v1/buckets/{bucket}/directories [post]
+func (h *ObjectHandler) CreateDirectory(c fiber.Ctx) error {
+	ctx := c.Context()
+
+	bucketName := c.Params("bucket")
+	if bucketName == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Bucket name is required"),
+		)
+	}
+
+	var req struct {
+		Key string `json:"key"`
+	}
+	if err := c.Bind().JSON(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Invalid request body: "+err.Error()),
+		)
+	}
+
+	key := strings.TrimLeft(req.Key, "/")
+	if key == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Directory key is required"),
+		)
+	}
+	if !strings.HasSuffix(key, "/") {
+		key += "/"
+	}
+
+	result, err := h.s3Service.CreateDirectoryMarker(ctx, bucketName, key)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeUploadFailed, "Failed to create directory: "+err.Error()),
+		)
+	}
+
+	return c.Status(fiber.StatusCreated).JSON(models.SuccessResponse(result))
+}
+
 // GetObject retrieves an object from a bucket
 //
 //	@Summary		Get object from bucket

backend/internal/handlers/objects_test.go

@@ -27,6 +27,7 @@ func newObjectsTestApp(t *testing.T) (*fiber.App, *mocks.S3Mock) {
 	app := fiber.New()
 	app.Get("/buckets/:bucket/objects", h.ListObjects)
 	app.Post("/buckets/:bucket/objects", h.UploadObject)
+	app.Post("/buckets/:bucket/directories", h.CreateDirectory)
 	app.Post("/buckets/:bucket/objects/upload-multiple", h.UploadMultipleObjects)
 	app.Post("/buckets/:bucket/objects/delete-multiple", h.DeleteMultipleObjects)
 	// Wildcard endpoints — mount under :key for tests. Handlers prefer
@@ -766,3 +767,100 @@ func TestUploadMultiple_DefaultsContentType(t *testing.T) {
 		t.Fatalf("status = %d, want 201", resp.StatusCode)
 	}
 }
+
+// --- CreateDirectory ---
+
+func TestCreateDirectory_Success_AppendsTrailingSlash(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	var gotKey string
+	s3.CreateDirectoryMarkerFn = func(_ context.Context, bucket, key string) (*models.ObjectUploadResponse, error) {
+		gotKey = key
+		return &models.ObjectUploadResponse{Bucket: bucket, Key: key, Size: 0, ContentType: "application/x-directory"}, nil
+	}
+
+	body := bytes.NewBufferString(`{"key": "photos/2024"}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d, want 201", resp.StatusCode)
+	}
+	if gotKey != "photos/2024/" {
+		t.Errorf("service key = %q, want trailing slash appended", gotKey)
+	}
+}
+
+func TestCreateDirectory_StripsLeadingSlashes(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	var gotKey string
+	s3.CreateDirectoryMarkerFn = func(_ context.Context, _, key string) (*models.ObjectUploadResponse, error) {
+		gotKey = key
+		return &models.ObjectUploadResponse{Key: key}, nil
+	}
+
+	body := bytes.NewBufferString(`{"key": "///already/"}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d, want 201", resp.StatusCode)
+	}
+	if gotKey != "already/" {
+		t.Errorf("service key = %q, want 'already/'", gotKey)
+	}
+}
+
+func TestCreateDirectory_MissingKey400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	body := bytes.NewBufferString(`{"key": ""}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestCreateDirectory_MalformedJSON400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", bytes.NewBufferString("not json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestCreateDirectory_ServiceError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.CreateDirectoryMarkerFn = func(_ context.Context, _, _ string) (*models.ObjectUploadResponse, error) {
+		return nil, errors.New("boom")
+	}
+	body := bytes.NewBufferString(`{"key": "x/"}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}

backend/internal/middleware/auth.go

@@ -1,6 +1,8 @@
 package middleware
 
 import (
+	"strings"
+
 	"Noooste/garage-ui/internal/auth"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/models"
@@ -17,14 +19,14 @@ import (
 func AuthMiddleware(cfg *config.AuthConfig, authService *auth.Service) fiber.Handler {
 	return func(c fiber.Ctx) error {
 		// If no auth is enabled, allow all requests.
-		if !cfg.Admin.Enabled && !cfg.OIDC.Enabled {
+		if !cfg.Admin.Enabled && !cfg.OIDC.Enabled && !cfg.Token.Enabled {
 			return c.Next()
 		}
 
 		authHeader := c.Get("Authorization")
 
-		// Try admin auth if enabled and header is present.
-		if cfg.Admin.Enabled && authHeader != "" {
+		// Try bearer token auth (works for admin, token, or any JWT session)
+		if (cfg.Admin.Enabled || cfg.Token.Enabled) && authHeader != "" {
 			if len(authHeader) > 7 && authHeader[:7] == "Bearer " {
 				token := authHeader[7:]
 				userInfo, err := authService.ValidateSessionToken(token)
@@ -80,14 +82,18 @@ func enrichRequestLogger(c fiber.Ctx, userID, authMethod string) {
 }
 
 func authMethodsEnabled(cfg *config.AuthConfig) string {
-	switch {
-	case cfg.Admin.Enabled && cfg.OIDC.Enabled:
-		return "admin+oidc"
-	case cfg.Admin.Enabled:
-		return "admin"
-	case cfg.OIDC.Enabled:
-		return "oidc"
-	default:
+	methods := []string{}
+	if cfg.Admin.Enabled {
+		methods = append(methods, "admin")
+	}
+	if cfg.OIDC.Enabled {
+		methods = append(methods, "oidc")
+	}
+	if cfg.Token.Enabled {
+		methods = append(methods, "token")
+	}
+	if len(methods) == 0 {
 		return "none"
 	}
+	return strings.Join(methods, "+")
 }

backend/internal/models/admin.go

@@ -1,6 +1,9 @@
 package models
 
-import "time"
+import (
+	"encoding/json"
+	"time"
+)
 
 // GarageKeyInfo represents detailed information about a Garage access key
 type GarageKeyInfo struct {
@@ -180,6 +183,24 @@ type ClusterHealth struct {
 	PartitionsAllOk  int    `json:"partitionsAllOk"`
 }
 
+// UnmarshalJSON handles both "storageNodesOk" (Garage v2.0.0) and
+// "storageNodesUp" (Garage v2.1.0+, v1.x) field names.
+func (h *ClusterHealth) UnmarshalJSON(data []byte) error {
+	type plain ClusterHealth
+	var aux struct {
+		plain
+		StorageNodesOk int `json:"storageNodesOk"`
+	}
+	if err := json.Unmarshal(data, &aux); err != nil {
+		return err
+	}
+	*h = ClusterHealth(aux.plain)
+	if h.StorageNodesUp == 0 && aux.StorageNodesOk != 0 {
+		h.StorageNodesUp = aux.StorageNodesOk
+	}
+	return nil
+}
+
 // ClusterStatus represents the current status of the cluster
 type ClusterStatus struct {
 	LayoutVersion int        `json:"layoutVersion"`

backend/internal/models/admin_compat_test.go

@@ -0,0 +1,46 @@
+package models
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestClusterHealth_StorageNodesOk_BackCompat(t *testing.T) {
+	raw := `{
+		"status": "healthy",
+		"knownNodes": 3,
+		"connectedNodes": 3,
+		"storageNodes": 3,
+		"storageNodesOk": 3,
+		"partitions": 256,
+		"partitionsQuorum": 256,
+		"partitionsAllOk": 256
+	}`
+	var h ClusterHealth
+	if err := json.Unmarshal([]byte(raw), &h); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	if h.StorageNodesUp != 3 {
+		t.Fatalf("expected StorageNodesUp=3, got %d", h.StorageNodesUp)
+	}
+}
+
+func TestClusterHealth_StorageNodesUp(t *testing.T) {
+	raw := `{
+		"status": "healthy",
+		"knownNodes": 3,
+		"connectedNodes": 3,
+		"storageNodes": 3,
+		"storageNodesUp": 3,
+		"partitions": 256,
+		"partitionsQuorum": 256,
+		"partitionsAllOk": 256
+	}`
+	var h ClusterHealth
+	if err := json.Unmarshal([]byte(raw), &h); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	if h.StorageNodesUp != 3 {
+		t.Fatalf("expected StorageNodesUp=3, got %d", h.StorageNodesUp)
+	}
+}

backend/internal/models/requests.go

@@ -29,3 +29,11 @@ type UpdateBucketWebsiteRequest struct {
 	IndexDocument string `json:"indexDocument,omitempty"`
 	ErrorDocument string `json:"errorDocument,omitempty"`
 }
+
+// UpdateBucketQuotasRequest represents a request to update bucket quota settings.
+// A nil field means "clear this quota" (unlimited). A non-nil field must be > 0;
+// Garage rejects 0.
+type UpdateBucketQuotasRequest struct {
+	MaxSize    *int64 `json:"maxSize,omitempty"`
+	MaxObjects *int64 `json:"maxObjects,omitempty"`
+}

backend/internal/models/responses.go

@@ -47,6 +47,7 @@ type BucketInfo struct {
 	Region        string               `json:"region,omitempty"`
 	WebsiteAccess bool                 `json:"websiteAccess"`
 	WebsiteConfig *BucketWebsiteConfig `json:"websiteConfig,omitempty"`
+	Quotas        *BucketQuotas        `json:"quotas,omitempty"`
 }
 
 // BucketListResponse represents a list of buckets
@@ -196,4 +197,5 @@ const (
 	ErrCodeUploadFailed      = "UPLOAD_FAILED"
 	ErrCodeDeleteFailed      = "DELETE_FAILED"
 	ErrCodeListFailed        = "LIST_FAILED"
+	ErrCodeUnsupported       = "UNSUPPORTED"
 )

backend/internal/models/responses_test.go

@@ -0,0 +1,47 @@
+package models
+
+import "testing"
+
+func TestSuccessResponse(t *testing.T) {
+	payload := map[string]int{"count": 3}
+	r := SuccessResponse(payload)
+	if !r.Success {
+		t.Error("Success should be true")
+	}
+	if r.Error != nil {
+		t.Errorf("Error should be nil, got %+v", r.Error)
+	}
+	m, ok := r.Data.(map[string]int)
+	if !ok {
+		t.Fatalf("Data type = %T, want map[string]int", r.Data)
+	}
+	if m["count"] != 3 {
+		t.Errorf("Data.count = %d, want 3", m["count"])
+	}
+}
+
+func TestSuccessResponse_NilData(t *testing.T) {
+	r := SuccessResponse(nil)
+	if !r.Success {
+		t.Error("Success should be true even with nil data")
+	}
+	if r.Data != nil {
+		t.Errorf("Data = %v, want nil", r.Data)
+	}
+}
+
+func TestErrorResponse(t *testing.T) {
+	r := ErrorResponse(ErrCodeBadRequest, "bad input")
+	if r.Success {
+		t.Error("Success should be false for error response")
+	}
+	if r.Data != nil {
+		t.Errorf("Data should be nil, got %v", r.Data)
+	}
+	if r.Error == nil {
+		t.Fatal("Error should not be nil")
+	}
+	if r.Error.Code != ErrCodeBadRequest || r.Error.Message != "bad input" {
+		t.Errorf("Error = %+v", r.Error)
+	}
+}

backend/internal/routes/routes.go

@@ -29,6 +29,7 @@ func SetupRoutes(
 	userHandler *handlers.UserHandler,
 	clusterHandler *handlers.ClusterHandler,
 	monitoringHandler *handlers.MonitoringHandler,
+	capabilitiesHandler *handlers.CapabilitiesHandler,
 ) {
 	// Apply CORS middleware globally
 	app.Use(middleware.CORSMiddleware(&cfg.CORS))
@@ -52,6 +53,8 @@ func SetupRoutes(
 	// Apply authentication middleware to all API routes
 	api.Use(middleware.AuthMiddleware(&cfg.Auth, authService))
 
+	api.Get("/capabilities", capabilitiesHandler.GetCapabilities)
+
 	// Bucket routes
 	buckets := api.Group("/buckets")
 	{
@@ -61,6 +64,7 @@ func SetupRoutes(
 		buckets.Delete("/:name", bucketHandler.DeleteBucket)                    // Delete a bucket
 		buckets.Post("/:name/permissions", bucketHandler.GrantBucketPermission) // Grant bucket permissions
 		buckets.Put("/:name/website", bucketHandler.UpdateBucketWebsite)        // Update bucket website configuration
+		buckets.Put("/:name/quotas", bucketHandler.UpdateBucketQuotas)          // Update bucket quotas
 	}
 
 	// Object routes
@@ -72,6 +76,9 @@ func SetupRoutes(
 		objects.Post("/delete-multiple", objectHandler.DeleteMultipleObjects) // Delete multiple objects
 	}
 
+	// Directory routes (zero-byte directory markers)
+	api.Post("/buckets/:bucket/directories", objectHandler.CreateDirectory)
+
 	// Fiber v3 does not auto-decode wildcard params; fall back to the raw
 	// value when QueryUnescape fails.
 	decodeObjectKey := func(c fiber.Ctx) string {
@@ -146,8 +153,13 @@ func SetupRoutes(
 		app.Post("/auth/login", authHandler.LoginAdmin)
 	}
 
+	// Token auth login endpoint (only if token auth is enabled)
+	if cfg.Auth.Token.Enabled {
+		app.Post("/auth/login-token", authHandler.LoginToken)
+	}
+
 	// Auth "me" endpoint (if any auth is enabled)
-	if cfg.Auth.Admin.Enabled || cfg.Auth.OIDC.Enabled {
+	if cfg.Auth.Admin.Enabled || cfg.Auth.OIDC.Enabled || cfg.Auth.Token.Enabled {
 		app.Get("/auth/me", middleware.AuthMiddleware(&cfg.Auth, authService), authHandler.GetMe)
 	}
 
@@ -225,7 +237,8 @@ func SetupRoutes(
 				// ID token and the userinfo endpoint (Keycloak emits resource_access
 				// only in the access token by default), so fall back to the access
 				// token and then the userinfo endpoint before denying access.
-				if cfg.Auth.OIDC.AdminRole != "" {
+				adminRoles := cfg.Auth.OIDC.EffectiveAdminRoles()
+				if len(adminRoles) > 0 {
 					if !authService.IsAdmin(userInfo) {
 						if roles := authService.ExtractRolesFromAccessToken(token.AccessToken); len(roles) > 0 {
 							userInfo.Roles = roles
@@ -239,9 +252,9 @@ func SetupRoutes(
 					if !authService.IsAdmin(userInfo) {
 						logger.Warn().
 							Str("username", userInfo.Username).
-							Str("required_role", cfg.Auth.OIDC.AdminRole).
+							Strs("required_roles", adminRoles).
 							Strs("roles", userInfo.Roles).
-							Msg("OIDC login denied: user does not have required admin role")
+							Msg("OIDC login denied: user does not have any required admin role")
 						return c.Status(fiber.StatusForbidden).JSON(fiber.Map{
 							"error": "User does not have the required admin role",
 						})

backend/internal/routes/routes_more_test.go

@@ -0,0 +1,254 @@
+package routes
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+)
+
+// newNoAuthFixture builds a fixture with both admin and OIDC disabled. The
+// AuthMiddleware short-circuits with c.Next(), letting handler logic run so
+// wildcard-route dispatch can be exercised.
+func newNoAuthFixture(t *testing.T) *routeFixture {
+	return newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = false
+		c.Auth.OIDC.Enabled = false
+	})
+}
+
+func plainReq(method, path string, body io.Reader) *http.Request {
+	return httptest.NewRequest(method, path, body)
+}
+
+func TestRoutes_ObjectWildcard_GET_DefaultRoutesToGetObject(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	var gotBucket, gotKey string
+	f.S3.GetObjectFn = func(_ context.Context, bucket, key string) (io.ReadCloser, *models.ObjectInfo, error) {
+		gotBucket, gotKey = bucket, key
+		return io.NopCloser(strings.NewReader("hello")), &models.ObjectInfo{Key: key, Size: 5, ContentType: "text/plain"}, nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/folder/subdir/file.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if gotBucket != "b1" || gotKey != "folder/subdir/file.txt" {
+		t.Errorf("service called with (%q, %q)", gotBucket, gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_GET_MetadataSuffixRoutesToMetadata(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	var gotKey string
+	f.S3.GetObjectMetadataFn = func(_ context.Context, _ string, key string) (*models.ObjectInfo, error) {
+		gotKey = key
+		return &models.ObjectInfo{Key: key, Size: 42, ContentType: "application/json"}, nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/data/file.bin/metadata", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	// The handler strips the /metadata suffix before calling the service.
+	if gotKey != "data/file.bin" {
+		t.Errorf("key passed to service = %q, want 'data/file.bin'", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_GET_PresignSuffixRoutesToPresigned(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	// The object must exist for the presign handler to succeed.
+	f.S3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+
+	var gotKey string
+	f.S3.GetPresignedURLFn = func(_ context.Context, _ string, key string, _ time.Duration) (string, error) {
+		gotKey = key
+		return "https://signed.example/k", nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/sub/file.bin/presign", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200 — body: (unavailable)", resp.StatusCode)
+	}
+	if gotKey != "sub/file.bin" {
+		t.Errorf("key passed to service = %q, want 'sub/file.bin'", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_DELETE_RoutesToDeleteObject(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	f.S3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+
+	var gotKey string
+	f.S3.DeleteObjectFn = func(_ context.Context, _ string, key string) error {
+		gotKey = key
+		return nil
+	}
+
+	req := plainReq(http.MethodDelete, "/api/v1/buckets/b1/objects/path/to/delete.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if gotKey != "path/to/delete.txt" {
+		t.Errorf("key passed to service = %q", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_HEAD_RoutesToMetadata(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	var gotKey string
+	f.S3.GetObjectMetadataFn = func(_ context.Context, _ string, key string) (*models.ObjectInfo, error) {
+		gotKey = key
+		return &models.ObjectInfo{Key: key, Size: 7, ContentType: "text/plain"}, nil
+	}
+
+	req := plainReq(http.MethodHead, "/api/v1/buckets/b1/objects/deep/nested/x.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if gotKey != "deep/nested/x.txt" {
+		t.Errorf("key passed to service = %q", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_URLDecodedBeforeDispatch(t *testing.T) {
+	// %20 in the wildcard portion must be decoded before the service is called.
+	f := newNoAuthFixture(t)
+
+	var gotKey string
+	f.S3.GetObjectFn = func(_ context.Context, _, key string) (io.ReadCloser, *models.ObjectInfo, error) {
+		gotKey = key
+		return io.NopCloser(strings.NewReader("")), &models.ObjectInfo{Key: key}, nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/with%20space/file.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if gotKey != "with space/file.txt" {
+		t.Errorf("decoded key = %q, want 'with space/file.txt'", gotKey)
+	}
+}
+
+// Covers the "skip SPA fallback for API-prefixed paths" branch without
+// triggering SendFile (which holds file handles on Windows and races with
+// t.TempDir cleanup). Only API/auth/health/docs paths are hit here — the
+// fallback short-circuits to c.Next(), so no file is opened.
+func TestRoutes_SPAFallback_SkipsAPIAndAuthPrefixes(t *testing.T) {
+	dir := t.TempDir()
+	t.Chdir(dir)
+
+	// The presence of ./frontend/dist is what enables the fallback middleware.
+	if err := os.MkdirAll(filepath.Join(dir, "frontend", "dist"), 0o755); err != nil {
+		t.Fatalf("mkdir: %v", err)
+	}
+	// We deliberately do NOT create index.html — the test must not reach SendFile.
+
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "u"
+		c.Auth.Admin.Password = "p"
+	})
+
+	// Every prefix listed in the fallback's skip-list should bypass file
+	// serving and return 404 from fiber's default handler.
+	for _, p := range []string{
+		"/api/v1/definitely-not-a-route",
+		"/auth/nope",
+		"/health/extra/segments",
+		"/docs/missing",
+	} {
+		req := httptest.NewRequest(http.MethodGet, p, nil)
+		resp, err := f.App.Test(req)
+		if err != nil {
+			t.Fatalf("%s: %v", p, err)
+		}
+		_ = resp.Body.Close()
+		// /api/v1/* hits auth middleware → 401. The others hit the SPA
+		// fallback's skip branch then fall through to 404. We only care that
+		// the SPA middleware did NOT attempt to serve index.html (which would
+		// succeed with 200 if it existed — here it doesn't exist, so SendFile
+		// would error; either way, != 200 suffices to prove the skip path ran).
+		if resp.StatusCode == 200 {
+			t.Errorf("%s returned 200 — SPA fallback should have skipped", p)
+		}
+	}
+}
+
+// Covers the third OIDC role-resolution fallback: when neither the ID token
+// nor the access token exposes roles, the callback calls GetUserInfo and
+// re-evaluates IsAdmin against those roles.
+func TestRoutes_OIDCCallback_RoleMatchedViaUserInfoFallback_Succeeds(t *testing.T) {
+	f, iss := newOIDCFixture(t, "admin")
+
+	// ID token and access token have no roles by default — leave as-is.
+	// Override /userinfo to return a roles structure matching the configured
+	// RoleAttributePath (resource_access.test-client.roles).
+	iss.UserInfoFn = func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"sub":                "user-1",
+			"preferred_username": "alice",
+			"email":              "alice@example.com",
+			"resource_access": map[string]any{
+				"test-client": map[string]any{"roles": []any{"admin"}},
+			},
+		})
+	}
+
+	state := oidcState(t, f)
+	req := httptest.NewRequest(http.MethodGet, "/auth/oidc/callback?state="+state+"&code=c", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 303 {
+		t.Fatalf("status = %d, want 303 (userinfo fallback should grant admin)", resp.StatusCode)
+	}
+	if loc := resp.Header.Get("Location"); loc != "/login?login=success" {
+		t.Errorf("Location = %q", loc)
+	}
+}

backend/internal/routes/routes_test.go

@@ -14,6 +14,7 @@ import (
 	"Noooste/garage-ui/internal/auth"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/handlers"
+	"Noooste/garage-ui/internal/services"
 	"Noooste/garage-ui/internal/services/mocks"
 
 	"github.com/gofiber/fiber/v3"
@@ -67,6 +68,7 @@ func newTestApp(t *testing.T, cfgMutator func(*config.Config)) *routeFixture {
 		handlers.NewUserHandler(admin),
 		handlers.NewClusterHandler(admin),
 		handlers.NewMonitoringHandler(admin, s3),
+		handlers.NewCapabilitiesHandler("v2", services.CapabilitiesV2()),
 	)
 
 	return &routeFixture{App: app, Admin: admin, S3: s3, Auth: svc, Cfg: cfg}

backend/internal/services/admin_buckets_logging_test.go

@@ -16,9 +16,9 @@ import (
 	"github.com/rs/zerolog"
 )
 
-// newAdminWithServer creates a GarageAdminService pointed at a test server
+// newAdminWithServer creates a GarageV2AdminService pointed at a test server
 // and returns it with a cleanup hook.
-func newAdminWithServer(t *testing.T, handler http.HandlerFunc) *GarageAdminService {
+func newAdminWithServer(t *testing.T, handler http.HandlerFunc) *GarageV2AdminService {
 	t.Helper()
 	srv := httptest.NewServer(handler)
 	t.Cleanup(srv.Close)
@@ -26,7 +26,7 @@ func newAdminWithServer(t *testing.T, handler http.HandlerFunc) *GarageAdminServ
 		AdminEndpoint: srv.URL,
 		AdminToken:    "test-token",
 	}
-	return NewGarageAdminService(cfg, "info")
+	return NewGarageV2AdminService(cfg, "info")
 }
 
 // ctxWithBufferLogger attaches a zerolog.Logger writing to buf onto ctx.

backend/internal/services/admin_factory.go

@@ -0,0 +1,132 @@
+package services
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/pkg/logger"
+
+	"github.com/Noooste/azuretls-client"
+)
+
+var ErrUnsupported = errors.New("operation not supported by this Garage version")
+
+type Capabilities struct {
+	ClusterStatistics bool `json:"clusterStatistics"`
+	NodeInfo          bool `json:"nodeInfo"`
+	NodeStatistics    bool `json:"nodeStatistics"`
+}
+
+func CapabilitiesV2() Capabilities {
+	return Capabilities{
+		ClusterStatistics: true,
+		NodeInfo:          true,
+		NodeStatistics:    true,
+	}
+}
+
+func CapabilitiesV1() Capabilities {
+	return Capabilities{}
+}
+
+type AdminServiceResult struct {
+	Service      AdminService
+	Capabilities Capabilities
+	APIVersion   string
+}
+
+// errProbeNotFound means the probed route returned 404. Garage v2.x also serves
+// /v1/health, so a 404 on /v2 is the only reliable "this is a v1 server" signal.
+var errProbeNotFound = errors.New("probe endpoint not found")
+
+func NewAdminService(cfg *config.GarageConfig, logLevel string) (*AdminServiceResult, error) {
+	// retry so a startup fails doesn't lock us to a v1 client.
+	err := probeEndpointWithRetry(cfg, "/v2/GetClusterHealth")
+	if err == nil {
+		logger.Info().Str("api_version", "v2").Msg("Detected Garage admin API v2")
+		svc := NewGarageV2AdminService(cfg, logLevel)
+		return &AdminServiceResult{
+			Service:      svc,
+			Capabilities: CapabilitiesV2(),
+			APIVersion:   "v2",
+		}, nil
+	}
+
+	// only fall back to v1 on a real 404
+	// other errors mean the server is up but the probe failed transiently; picking v1 against
+	// a v2.x server breaks /v1/status with "v1/ endpoint is no longer supported" (issue #78).
+	if !errors.Is(err, errProbeNotFound) {
+		return nil, fmt.Errorf(
+			"could not detect Garage admin API version at %s: %w. Ensure Garage v1.1+ is running and the admin API is reachable",
+			cfg.AdminEndpoint, err,
+		)
+	}
+
+	if err := probeEndpointWithRetry(cfg, "/v1/health"); err == nil {
+		logger.Info().
+			Str("api_version", "v1").
+			Msg("Detected Garage admin API v1 — cluster statistics and per-node details will be unavailable")
+		svc := NewGarageV1AdminService(cfg, logLevel)
+		return &AdminServiceResult{
+			Service:      svc,
+			Capabilities: CapabilitiesV1(),
+			APIVersion:   "v1",
+		}, nil
+	}
+
+	return nil, fmt.Errorf(
+		"could not connect to Garage admin API at %s. Ensure Garage v1.1+ is running and the admin API is enabled",
+		cfg.AdminEndpoint,
+	)
+}
+
+const probeAttempts = 4
+
+// probeEndpointWithRetry retries transient failures with backoff, but returns a
+// 404 immediately, a missing route won't appear on a retry.
+func probeEndpointWithRetry(cfg *config.GarageConfig, path string) error {
+	var err error
+	backoff := 250 * time.Millisecond
+	for attempt := range probeAttempts {
+		err = probeEndpoint(cfg, path)
+		if err == nil || errors.Is(err, errProbeNotFound) {
+			return err
+		}
+		if attempt < probeAttempts-1 {
+			time.Sleep(backoff)
+			backoff *= 2
+		}
+	}
+	return err
+}
+
+func probeEndpoint(cfg *config.GarageConfig, path string) error {
+	session := azuretls.NewSession()
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	resp, err := session.Do(&azuretls.Request{
+		Method:     http.MethodGet,
+		Url:        cfg.AdminEndpoint + path,
+		IgnoreBody: true,
+		OrderedHeaders: azuretls.OrderedHeaders{
+			{"Authorization", fmt.Sprintf("Bearer %s", cfg.AdminToken)},
+		},
+	}, ctx)
+	if err != nil {
+		return err
+	}
+	defer resp.RawBody.Close()
+
+	if resp.StatusCode == http.StatusNotFound {
+		return fmt.Errorf("probe %s returned status 404: %w", path, errProbeNotFound)
+	}
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return fmt.Errorf("probe %s returned status %d", path, resp.StatusCode)
+	}
+	return nil
+}

backend/internal/services/admin_factory_test.go

@@ -0,0 +1,149 @@
+package services
+
+import (
+	"errors"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+)
+
+func TestErrUnsupportedIsSentinel(t *testing.T) {
+	err := ErrUnsupported
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatal("ErrUnsupported should match itself via errors.Is")
+	}
+}
+
+func TestCapabilitiesV2AllTrue(t *testing.T) {
+	caps := CapabilitiesV2()
+	if !caps.ClusterStatistics || !caps.NodeInfo || !caps.NodeStatistics {
+		t.Fatalf("v2 capabilities should all be true, got %+v", caps)
+	}
+}
+
+func TestCapabilitiesV1AllFalse(t *testing.T) {
+	caps := CapabilitiesV1()
+	if caps.ClusterStatistics || caps.NodeInfo || caps.NodeStatistics {
+		t.Fatalf("v1 capabilities should all be false, got %+v", caps)
+	}
+}
+
+func TestDetectVersion_V2(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v2/GetClusterHealth" {
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+			return
+		}
+		w.WriteHeader(404)
+	}))
+	t.Cleanup(srv.Close)
+
+	cfg := &config.GarageConfig{AdminEndpoint: srv.URL, AdminToken: "tok"}
+	result, err := NewAdminService(cfg, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.APIVersion != "v2" {
+		t.Fatalf("expected v2, got %s", result.APIVersion)
+	}
+	if !result.Capabilities.ClusterStatistics {
+		t.Fatal("v2 should have ClusterStatistics capability")
+	}
+}
+
+func TestDetectVersion_V1(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v2/GetClusterHealth" {
+			w.WriteHeader(404)
+			return
+		}
+		if r.URL.Path == "/v1/health" {
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+			return
+		}
+		w.WriteHeader(404)
+	}))
+	t.Cleanup(srv.Close)
+
+	cfg := &config.GarageConfig{AdminEndpoint: srv.URL, AdminToken: "tok"}
+	result, err := NewAdminService(cfg, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.APIVersion != "v1" {
+		t.Fatalf("expected v1, got %s", result.APIVersion)
+	}
+	if result.Capabilities.ClusterStatistics {
+		t.Fatal("v1 should not have ClusterStatistics capability")
+	}
+}
+
+func TestDetectVersion_Unreachable(t *testing.T) {
+	cfg := &config.GarageConfig{AdminEndpoint: "http://127.0.0.1:1", AdminToken: "tok"}
+	_, err := NewAdminService(cfg, "")
+	if err == nil {
+		t.Fatal("expected error for unreachable server")
+	}
+}
+
+// Garage v2.x serves /v1/health too, so a transient failure of the /v2 probe
+// must not cause a permanent downgrade to the (broken on v2.x) v1 client.
+// Regression test for https://github.com/Noooste/garage-ui/issues/78
+func TestDetectVersion_V2_TransientProbeFailure(t *testing.T) {
+	var v2Hits int
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/v2/GetClusterHealth":
+			v2Hits++
+			if v2Hits < 3 { // fail the first two attempts, then recover
+				w.WriteHeader(http.StatusServiceUnavailable)
+				return
+			}
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+		case "/v1/health": // v2.x still answers this
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+		default:
+			w.WriteHeader(http.StatusNotFound)
+		}
+	}))
+	t.Cleanup(srv.Close)
+
+	cfg := &config.GarageConfig{AdminEndpoint: srv.URL, AdminToken: "tok"}
+	result, err := NewAdminService(cfg, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.APIVersion != "v2" {
+		t.Fatalf("expected v2 after transient probe failure, got %s", result.APIVersion)
+	}
+}
+
+// A server that answers /v1/health but returns a server error (not 404) for
+// /v2/GetClusterHealth must NOT be detected as v1, because v2.x servers also
+// answer /v1/health. Falling through to v1 here is the issue #78 misdetection.
+func TestDetectVersion_DoesNotDowngradeOnV2ServerError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/v2/GetClusterHealth":
+			w.WriteHeader(http.StatusServiceUnavailable)
+		case "/v1/health":
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+		default:
+			w.WriteHeader(http.StatusNotFound)
+		}
+	}))
+	t.Cleanup(srv.Close)
+
+	cfg := &config.GarageConfig{AdminEndpoint: srv.URL, AdminToken: "tok"}
+	result, err := NewAdminService(cfg, "")
+	if err == nil && result.APIVersion == "v1" {
+		t.Fatal("must not downgrade to v1 when /v2 returns a server error; v2.x also serves /v1/health")
+	}
+}

backend/internal/services/admin_v1.go

@@ -0,0 +1,375 @@
+package services
+
+import (
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/pkg/utils"
+	logpkg "Noooste/garage-ui/pkg/logger"
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"github.com/Noooste/azuretls-client"
+)
+
+type GarageV1AdminService struct {
+	baseURL    string
+	token      string
+	httpClient *azuretls.Session
+}
+
+func NewGarageV1AdminService(cfg *config.GarageConfig, logLevel string) *GarageV1AdminService {
+	session := azuretls.NewSession()
+	if logLevel == "debug" {
+		session.Log()
+	}
+	return &GarageV1AdminService{
+		baseURL:    cfg.AdminEndpoint,
+		token:      cfg.AdminToken,
+		httpClient: session,
+	}
+}
+
+func (s *GarageV1AdminService) doRequest(ctx context.Context, method, path string, body interface{}) (*azuretls.Response, error) {
+	var resp *azuretls.Response
+	retryConfig := utils.DefaultRetryConfig()
+	err := utils.RetryWithBackoff(ctx, retryConfig, func() error {
+		var reqErr error
+		resp, reqErr = s.httpClient.Do(&azuretls.Request{
+			Method:     method,
+			Url:        s.baseURL + path,
+			Body:       body,
+			IgnoreBody: true,
+			OrderedHeaders: azuretls.OrderedHeaders{
+				{"Authorization", fmt.Sprintf("Bearer %s", s.token)},
+			},
+		}, ctx)
+		return reqErr
+	})
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (s *GarageV1AdminService) ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/key?list=true", nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result []models.ListKeysResponseItem
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return result, nil
+}
+
+func (s *GarageV1AdminService) CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/key?list", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error) {
+	path := fmt.Sprintf("/v1/key?id=%s", keyID)
+	if showSecret {
+		path += "&showSecretKey=true"
+	}
+	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+	path := fmt.Sprintf("/v1/key?id=%s", keyID)
+	resp, err := s.doRequest(ctx, http.MethodPost, path, req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) DeleteKey(ctx context.Context, keyID string) error {
+	path := fmt.Sprintf("/v1/key?id=%s", keyID)
+	resp, err := s.doRequest(ctx, http.MethodDelete, path, nil)
+	if err != nil {
+		return fmt.Errorf("request failed: %w", err)
+	}
+	if err := decodeResponse(resp, nil); err != nil {
+		return fmt.Errorf("failed to process response: %w", err)
+	}
+	return nil
+}
+
+func (s *GarageV1AdminService) ImportKey(ctx context.Context, req models.ImportKeyRequest) (*models.GarageKeyInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/key/import", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
+	log := logpkg.FromCtx(ctx).With().Str("component", "admin-v1").Str("operation", "list_buckets").Logger()
+	log.Debug().Msg("listing buckets")
+	start := time.Now()
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/bucket?list", nil)
+	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Msg("list_buckets request failed")
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result []models.ListBucketsResponseItem
+	if err := decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Msg("list_buckets decode failed")
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	log.Debug().Float64("duration_ms", msSince(start)).Int("count", len(result)).Msg("listed buckets")
+	return result, nil
+}
+
+func (s *GarageV1AdminService) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, fmt.Sprintf("/v1/bucket?id=%s", bucketID), nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, fmt.Sprintf("/v1/bucket?globalAlias=%s", globalAlias), nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/bucket", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPut, fmt.Sprintf("/v1/bucket?id=%s", bucketID), req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) DeleteBucket(ctx context.Context, bucketID string) error {
+	resp, err := s.doRequest(ctx, http.MethodDelete, fmt.Sprintf("/v1/bucket?id=%s", bucketID), nil)
+	if err != nil {
+		return fmt.Errorf("request failed: %w", err)
+	}
+	if err := decodeResponse(resp, nil); err != nil {
+		return fmt.Errorf("failed to process response: %w", err)
+	}
+	return nil
+}
+
+func (s *GarageV1AdminService) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/bucket/allow", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/bucket/deny", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) AddBucketAlias(ctx context.Context, req models.AddBucketAliasRequest) (*models.GarageBucketInfo, error) {
+	var path string
+	if req.GlobalAlias != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/global?id=%s&alias=%s", req.BucketID, *req.GlobalAlias)
+	} else if req.LocalAlias != nil && req.AccessKeyID != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/local?id=%s&accessKeyId=%s&alias=%s", req.BucketID, *req.AccessKeyID, *req.LocalAlias)
+	} else {
+		return nil, fmt.Errorf("AddBucketAlias requires either globalAlias or localAlias+accessKeyId")
+	}
+	resp, err := s.doRequest(ctx, http.MethodPut, path, nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) RemoveBucketAlias(ctx context.Context, req models.RemoveBucketAliasRequest) (*models.GarageBucketInfo, error) {
+	var path string
+	if req.GlobalAlias != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/global?id=%s&alias=%s", req.BucketID, *req.GlobalAlias)
+	} else if req.LocalAlias != nil && req.AccessKeyID != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/local?id=%s&accessKeyId=%s&alias=%s", req.BucketID, *req.AccessKeyID, *req.LocalAlias)
+	} else {
+		return nil, fmt.Errorf("RemoveBucketAlias requires either globalAlias or localAlias+accessKeyId")
+	}
+	resp, err := s.doRequest(ctx, http.MethodDelete, path, nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/health", nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.ClusterHealth
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+type v1StatusResponse struct {
+	Node          string        `json:"node"`
+	GarageVersion string        `json:"garageVersion"`
+	KnownNodes    []v1KnownNode `json:"knownNodes"`
+	Layout        *v1Layout     `json:"layout"`
+}
+
+type v1KnownNode struct {
+	ID              string `json:"id"`
+	Addr            string `json:"addr"`
+	IsUp            bool   `json:"isUp"`
+	LastSeenSecsAgo *int64 `json:"lastSeenSecsAgo"`
+	Hostname        string `json:"hostname"`
+}
+
+type v1Layout struct {
+	Version int `json:"version"`
+}
+
+func (s *GarageV1AdminService) GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/status", nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var raw v1StatusResponse
+	if err := decodeResponse(resp, &raw); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	nodes := make([]models.NodeInfo, len(raw.KnownNodes))
+	for i, n := range raw.KnownNodes {
+		addr := n.Addr
+		hostname := n.Hostname
+		nodes[i] = models.NodeInfo{
+			ID:              n.ID,
+			IsUp:            n.IsUp,
+			LastSeenSecsAgo: n.LastSeenSecsAgo,
+			Hostname:        &hostname,
+			Addr:            &addr,
+		}
+	}
+	layoutVersion := 0
+	if raw.Layout != nil {
+		layoutVersion = raw.Layout.Version
+	}
+	return &models.ClusterStatus{
+		LayoutVersion: layoutVersion,
+		Nodes:         nodes,
+	}, nil
+}
+
+func (s *GarageV1AdminService) GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error) {
+	return nil, ErrUnsupported
+}
+
+func (s *GarageV1AdminService) GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+	return nil, ErrUnsupported
+}
+
+func (s *GarageV1AdminService) GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+	return nil, ErrUnsupported
+}
+
+func (s *GarageV1AdminService) HealthCheck(ctx context.Context) error {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/health", nil)
+	if err != nil {
+		return fmt.Errorf("health check failed: %w", err)
+	}
+	if err := decodeResponse(resp, nil); err != nil {
+		return fmt.Errorf("health check returned error: %w", err)
+	}
+	return nil
+}
+
+func (s *GarageV1AdminService) GetMetrics(ctx context.Context) (string, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/metrics", nil)
+	if err != nil {
+		return "", fmt.Errorf("request failed: %w", err)
+	}
+	defer resp.RawBody.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		bodyBytes, _ := io.ReadAll(resp.RawBody)
+		return "", fmt.Errorf("API returned status %d: %s", resp.StatusCode, string(bodyBytes))
+	}
+	bodyBytes, err := io.ReadAll(resp.RawBody)
+	if err != nil {
+		return "", fmt.Errorf("failed to read response: %w", err)
+	}
+	return string(bodyBytes), nil
+}

backend/internal/services/admin_v1_test.go

@@ -0,0 +1,635 @@
+package services
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+)
+
+func newV1TestServer(t *testing.T, handler http.Handler) *GarageV1AdminService {
+	t.Helper()
+	srv := httptest.NewServer(handler)
+	t.Cleanup(srv.Close)
+	return NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test-token",
+	}, "")
+}
+
+func TestV1_ListKeys(t *testing.T) {
+	items := []models.ListKeysResponseItem{{ID: "GK1", Name: "key1"}}
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodGet || r.URL.Path != "/v1/key" || r.URL.Query().Get("list") == "" {
+			t.Errorf("unexpected request: %s %s", r.Method, r.URL)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(items)
+	}))
+	result, err := svc.ListKeys(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(result) != 1 || result[0].ID != "GK1" {
+		t.Fatalf("unexpected result: %+v", result)
+	}
+}
+
+func TestV1_GetClusterHealth(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/v1/health" {
+			t.Errorf("unexpected path: %s", r.URL.Path)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		w.Write([]byte(`{"status":"healthy","knownNodes":3,"connectedNodes":3,"storageNodes":3,"storageNodesOk":3,"partitions":256,"partitionsQuorum":256,"partitionsAllOk":256}`))
+	}))
+	health, err := svc.GetClusterHealth(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if health.StorageNodesUp != 3 {
+		t.Fatalf("expected StorageNodesUp=3, got %d", health.StorageNodesUp)
+	}
+}
+
+func TestV1_GetClusterStatistics_Unsupported(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatal("should not make any HTTP request for unsupported operations")
+	}))
+	_, err := svc.GetClusterStatistics(context.Background())
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatalf("expected ErrUnsupported, got %v", err)
+	}
+}
+
+func TestV1_GetNodeInfo_Unsupported(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatal("should not make any HTTP request for unsupported operations")
+	}))
+	_, err := svc.GetNodeInfo(context.Background(), "abc")
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatalf("expected ErrUnsupported, got %v", err)
+	}
+}
+
+func TestV1_GetNodeStatistics_Unsupported(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatal("should not make any HTTP request for unsupported operations")
+	}))
+	_, err := svc.GetNodeStatistics(context.Background(), "abc")
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatalf("expected ErrUnsupported, got %v", err)
+	}
+}
+
+// v1RecordingHandler returns a handler that records the request and responds with JSON.
+func v1RecordingHandler(t *testing.T, status int, body any) (http.Handler, *recordedRequest) {
+	t.Helper()
+	rec := &recordedRequest{}
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		rec.method = r.Method
+		rec.path = r.URL.Path
+		rec.rawURL = r.URL.RequestURI()
+		rec.auth = r.Header.Get("Authorization")
+		if r.Body != nil {
+			b, _ := io.ReadAll(r.Body)
+			rec.body = b
+		}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(status)
+		if body != nil {
+			json.NewEncoder(w).Encode(body)
+		}
+	})
+	return h, rec
+}
+
+func newV1RecordingServer(t *testing.T, status int, body any) (*GarageV1AdminService, *recordedRequest) {
+	t.Helper()
+	h, rec := v1RecordingHandler(t, status, body)
+	srv := httptest.NewServer(h)
+	t.Cleanup(srv.Close)
+	svc := NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test-token",
+	}, "")
+	return svc, rec
+}
+
+func TestV1_CreateKey(t *testing.T) {
+	name := "mykey"
+	want := &models.GarageKeyInfo{AccessKeyID: "GK1", Name: name}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.CreateKey(context.Background(), models.CreateKeyRequest{Name: &name})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/key" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if got.AccessKeyID != "GK1" {
+		t.Errorf("AccessKeyID = %q, want GK1", got.AccessKeyID)
+	}
+}
+
+func TestV1_GetKeyInfo(t *testing.T) {
+	want := &models.GarageKeyInfo{AccessKeyID: "ABC"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.GetKeyInfo(context.Background(), "ABC", true)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodGet {
+		t.Errorf("method = %q, want GET", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=ABC") || !strings.Contains(rec.rawURL, "showSecretKey=true") {
+		t.Errorf("rawURL = %q, want id=ABC&showSecretKey=true", rec.rawURL)
+	}
+	if got.AccessKeyID != "ABC" {
+		t.Errorf("got %q, want ABC", got.AccessKeyID)
+	}
+}
+
+func TestV1_UpdateKey(t *testing.T) {
+	want := &models.GarageKeyInfo{AccessKeyID: "K1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.UpdateKey(context.Background(), "K1", models.UpdateKeyRequest{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost {
+		t.Errorf("method = %q, want POST", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=K1") {
+		t.Errorf("rawURL = %q, want id=K1", rec.rawURL)
+	}
+}
+
+func TestV1_DeleteKey(t *testing.T) {
+	svc, rec := newV1RecordingServer(t, 200, nil)
+
+	err := svc.DeleteKey(context.Background(), "K1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete {
+		t.Errorf("method = %q, want DELETE", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=K1") {
+		t.Errorf("rawURL = %q, want id=K1", rec.rawURL)
+	}
+}
+
+func TestV1_ImportKey(t *testing.T) {
+	want := &models.GarageKeyInfo{AccessKeyID: "GKimported"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.ImportKey(context.Background(), models.ImportKeyRequest{
+		AccessKeyID:     "GKimported",
+		SecretAccessKey: "secret",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/key/import" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if got.AccessKeyID != "GKimported" {
+		t.Errorf("got %q", got.AccessKeyID)
+	}
+}
+
+func TestV1_ListBuckets(t *testing.T) {
+	want := []models.ListBucketsResponseItem{{ID: "b1", GlobalAliases: []string{"mybucket"}}}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.ListBuckets(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodGet || rec.path != "/v1/bucket" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if len(got) != 1 || got[0].ID != "b1" {
+		t.Errorf("got %+v", got)
+	}
+}
+
+func TestV1_GetBucketInfo(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.GetBucketInfo(context.Background(), "b1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+	if got.ID != "b1" {
+		t.Errorf("got %q", got.ID)
+	}
+}
+
+func TestV1_GetBucketInfoByAlias(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b2"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.GetBucketInfoByAlias(context.Background(), "myalias")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(rec.rawURL, "globalAlias=myalias") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+	if got.ID != "b2" {
+		t.Errorf("got %q", got.ID)
+	}
+}
+
+func TestV1_CreateBucket(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "newb"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "test-bucket"
+	got, err := svc.CreateBucket(context.Background(), models.CreateBucketAdminRequest{GlobalAlias: &alias})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/bucket" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if got.ID != "newb" {
+		t.Errorf("got %q", got.ID)
+	}
+}
+
+func TestV1_UpdateBucket(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.UpdateBucket(context.Background(), "b1", models.UpdateBucketRequest{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPut {
+		t.Errorf("method = %q, want PUT", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+}
+
+func TestV1_DeleteBucket(t *testing.T) {
+	svc, rec := newV1RecordingServer(t, 200, nil)
+
+	err := svc.DeleteBucket(context.Background(), "b1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete {
+		t.Errorf("method = %q, want DELETE", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+}
+
+func TestV1_AllowBucketKey(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.AllowBucketKey(context.Background(), models.BucketKeyPermRequest{
+		BucketID: "b1", AccessKeyID: "k1",
+		Permissions: models.BucketKeyPermission{Read: true},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/bucket/allow" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_DenyBucketKey(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.DenyBucketKey(context.Background(), models.BucketKeyPermRequest{
+		BucketID: "b1", AccessKeyID: "k1",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/bucket/deny" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_AddBucketAlias_Global(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "myalias"
+	_, err := svc.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{
+		BucketID: "b1", GlobalAlias: &alias,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPut || rec.path != "/v1/bucket/alias/global" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") || !strings.Contains(rec.rawURL, "alias=myalias") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+}
+
+func TestV1_AddBucketAlias_Local(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "localname"
+	keyID := "GK1"
+	_, err := svc.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{
+		BucketID: "b1", LocalAlias: &alias, AccessKeyID: &keyID,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPut || rec.path != "/v1/bucket/alias/local" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_RemoveBucketAlias_Global(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "myalias"
+	_, err := svc.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{
+		BucketID: "b1", GlobalAlias: &alias,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete || rec.path != "/v1/bucket/alias/global" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_GetClusterStatus(t *testing.T) {
+	raw := map[string]any{
+		"node":          "abc123",
+		"garageVersion": "1.3.0",
+		"knownNodes": []map[string]any{
+			{"id": "n1", "addr": "1.2.3.4:3901", "isUp": true, "hostname": "node1"},
+			{"id": "n2", "addr": "5.6.7.8:3901", "isUp": false, "lastSeenSecsAgo": 60, "hostname": "node2"},
+		},
+		"layout": map[string]any{"version": 3},
+	}
+	svc, rec := newV1RecordingServer(t, 200, raw)
+
+	got, err := svc.GetClusterStatus(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.path != "/v1/status" {
+		t.Errorf("path = %q, want /v1/status", rec.path)
+	}
+	if got.LayoutVersion != 3 {
+		t.Errorf("LayoutVersion = %d, want 3", got.LayoutVersion)
+	}
+	if len(got.Nodes) != 2 {
+		t.Fatalf("len(Nodes) = %d, want 2", len(got.Nodes))
+	}
+	if got.Nodes[0].ID != "n1" || !got.Nodes[0].IsUp {
+		t.Errorf("Nodes[0] = %+v", got.Nodes[0])
+	}
+	if got.Nodes[1].ID != "n2" || got.Nodes[1].IsUp {
+		t.Errorf("Nodes[1] = %+v", got.Nodes[1])
+	}
+}
+
+func TestV1_HealthCheck(t *testing.T) {
+	svc, rec := newV1RecordingServer(t, 200, nil)
+
+	err := svc.HealthCheck(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.path != "/health" {
+		t.Errorf("path = %q, want /health", rec.path)
+	}
+}
+
+func TestV1_ErrorPaths(t *testing.T) {
+	// Server that returns 500 for all requests to exercise error branches.
+	srv500 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(500)
+		w.Write([]byte(`{"error":"internal"}`))
+	}))
+	t.Cleanup(srv500.Close)
+	svc := NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv500.URL,
+		AdminToken:    "tok",
+	}, "")
+
+	ctx := context.Background()
+
+	if _, err := svc.ListKeys(ctx); err == nil {
+		t.Error("ListKeys: expected error")
+	}
+	if _, err := svc.CreateKey(ctx, models.CreateKeyRequest{}); err == nil {
+		t.Error("CreateKey: expected error")
+	}
+	if _, err := svc.GetKeyInfo(ctx, "k", false); err == nil {
+		t.Error("GetKeyInfo: expected error")
+	}
+	if _, err := svc.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); err == nil {
+		t.Error("UpdateKey: expected error")
+	}
+	if err := svc.DeleteKey(ctx, "k"); err == nil {
+		t.Error("DeleteKey: expected error")
+	}
+	if _, err := svc.ImportKey(ctx, models.ImportKeyRequest{}); err == nil {
+		t.Error("ImportKey: expected error")
+	}
+	if _, err := svc.ListBuckets(ctx); err == nil {
+		t.Error("ListBuckets: expected error")
+	}
+	if _, err := svc.GetBucketInfo(ctx, "b"); err == nil {
+		t.Error("GetBucketInfo: expected error")
+	}
+	if _, err := svc.GetBucketInfoByAlias(ctx, "a"); err == nil {
+		t.Error("GetBucketInfoByAlias: expected error")
+	}
+	if _, err := svc.CreateBucket(ctx, models.CreateBucketAdminRequest{}); err == nil {
+		t.Error("CreateBucket: expected error")
+	}
+	if _, err := svc.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); err == nil {
+		t.Error("UpdateBucket: expected error")
+	}
+	if err := svc.DeleteBucket(ctx, "b"); err == nil {
+		t.Error("DeleteBucket: expected error")
+	}
+	if _, err := svc.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("AllowBucketKey: expected error")
+	}
+	if _, err := svc.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("DenyBucketKey: expected error")
+	}
+	alias := "a"
+	if _, err := svc.AddBucketAlias(ctx, models.AddBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("AddBucketAlias: expected error")
+	}
+	if _, err := svc.RemoveBucketAlias(ctx, models.RemoveBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("RemoveBucketAlias: expected error")
+	}
+	if _, err := svc.GetClusterHealth(ctx); err == nil {
+		t.Error("GetClusterHealth: expected error")
+	}
+	if _, err := svc.GetClusterStatus(ctx); err == nil {
+		t.Error("GetClusterStatus: expected error")
+	}
+	if err := svc.HealthCheck(ctx); err == nil {
+		t.Error("HealthCheck: expected error")
+	}
+	if _, err := svc.GetMetrics(ctx); err == nil {
+		t.Error("GetMetrics: expected error")
+	}
+}
+
+func TestV1_RequestFailurePaths(t *testing.T) {
+	// Use a cancelled context to make doRequest fail immediately (no retry wait).
+	svc, _ := newV1RecordingServer(t, 200, nil)
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel() // cancel immediately
+
+	if _, err := svc.ListKeys(ctx); err == nil {
+		t.Error("ListKeys: expected error")
+	}
+	if _, err := svc.CreateKey(ctx, models.CreateKeyRequest{}); err == nil {
+		t.Error("CreateKey: expected error")
+	}
+	if _, err := svc.GetKeyInfo(ctx, "k", false); err == nil {
+		t.Error("GetKeyInfo: expected error")
+	}
+	if _, err := svc.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); err == nil {
+		t.Error("UpdateKey: expected error")
+	}
+	if err := svc.DeleteKey(ctx, "k"); err == nil {
+		t.Error("DeleteKey: expected error")
+	}
+	if _, err := svc.ImportKey(ctx, models.ImportKeyRequest{}); err == nil {
+		t.Error("ImportKey: expected error")
+	}
+	if _, err := svc.ListBuckets(ctx); err == nil {
+		t.Error("ListBuckets: expected error")
+	}
+	if _, err := svc.GetBucketInfo(ctx, "b"); err == nil {
+		t.Error("GetBucketInfo: expected error")
+	}
+	if _, err := svc.GetBucketInfoByAlias(ctx, "a"); err == nil {
+		t.Error("GetBucketInfoByAlias: expected error")
+	}
+	if _, err := svc.CreateBucket(ctx, models.CreateBucketAdminRequest{}); err == nil {
+		t.Error("CreateBucket: expected error")
+	}
+	if _, err := svc.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); err == nil {
+		t.Error("UpdateBucket: expected error")
+	}
+	if err := svc.DeleteBucket(ctx, "b"); err == nil {
+		t.Error("DeleteBucket: expected error")
+	}
+	if _, err := svc.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("AllowBucketKey: expected error")
+	}
+	if _, err := svc.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("DenyBucketKey: expected error")
+	}
+	alias := "a"
+	if _, err := svc.AddBucketAlias(ctx, models.AddBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("AddBucketAlias: expected error")
+	}
+	if _, err := svc.RemoveBucketAlias(ctx, models.RemoveBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("RemoveBucketAlias: expected error")
+	}
+	if _, err := svc.GetClusterHealth(ctx); err == nil {
+		t.Error("GetClusterHealth: expected error")
+	}
+	if _, err := svc.GetClusterStatus(ctx); err == nil {
+		t.Error("GetClusterStatus: expected error")
+	}
+	if err := svc.HealthCheck(ctx); err == nil {
+		t.Error("HealthCheck: expected error")
+	}
+	if _, err := svc.GetMetrics(ctx); err == nil {
+		t.Error("GetMetrics: expected error")
+	}
+}
+
+func TestV1_AddBucketAlias_MissingFields(t *testing.T) {
+	svc, _ := newV1RecordingServer(t, 200, nil)
+	// Neither globalAlias nor localAlias set
+	_, err := svc.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{BucketID: "b"})
+	if err == nil {
+		t.Fatal("expected error for missing alias fields")
+	}
+}
+
+func TestV1_RemoveBucketAlias_MissingFields(t *testing.T) {
+	svc, _ := newV1RecordingServer(t, 200, nil)
+	_, err := svc.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{BucketID: "b"})
+	if err == nil {
+		t.Fatal("expected error for missing alias fields")
+	}
+}
+
+func TestV1_RemoveBucketAlias_Local(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+	alias := "localname"
+	keyID := "GK1"
+	_, err := svc.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{
+		BucketID: "b1", LocalAlias: &alias, AccessKeyID: &keyID,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete || rec.path != "/v1/bucket/alias/local" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_GetMetrics(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/plain")
+		w.WriteHeader(200)
+		w.Write([]byte("garage_up 1\n"))
+	}))
+	t.Cleanup(srv.Close)
+	svc := NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "tok",
+	}, "")
+
+	got, err := svc.GetMetrics(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(got, "garage_up") {
+		t.Errorf("got %q", got)
+	}
+}

backend/internal/services/admin_v2.go

@@ -15,22 +15,22 @@ import (
 	"github.com/Noooste/azuretls-client"
 )
 
-// GarageAdminService handles interactions with the Garage Admin API
-type GarageAdminService struct {
+// GarageV2AdminService handles interactions with the Garage Admin API
+type GarageV2AdminService struct {
 	baseURL    string
 	token      string
 	httpClient *azuretls.Session
 }
 
-// NewGarageAdminService creates a new Garage Admin API service
-func NewGarageAdminService(cfg *config.GarageConfig, logLevel string) *GarageAdminService {
+// NewGarageV2AdminService creates a new Garage Admin API service
+func NewGarageV2AdminService(cfg *config.GarageConfig, logLevel string) *GarageV2AdminService {
 	session := azuretls.NewSession()
 
 	if logLevel == "debug" {
 		session.Log()
 	}
 
-	return &GarageAdminService{
+	return &GarageV2AdminService{
 		baseURL:    cfg.AdminEndpoint,
 		token:      cfg.AdminToken,
 		httpClient: session,
@@ -38,7 +38,7 @@ func NewGarageAdminService(cfg *config.GarageConfig, logLevel string) *GarageAdm
 }
 
 // doRequest performs an HTTP request to the Admin API with retry logic for connection refused errors
-func (s *GarageAdminService) doRequest(ctx context.Context, method, path string, body interface{}) (*azuretls.Response, error) {
+func (s *GarageV2AdminService) doRequest(ctx context.Context, method, path string, body interface{}) (*azuretls.Response, error) {
 	var resp *azuretls.Response
 
 	retryConfig := utils.DefaultRetryConfig()
@@ -82,7 +82,7 @@ func decodeResponse(resp *azuretls.Response, target interface{}) error {
 }
 
 // ListKeys returns all access keys in the cluster
-func (s *GarageAdminService) ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error) {
+func (s *GarageV2AdminService) ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/ListKeys", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -97,7 +97,7 @@ func (s *GarageAdminService) ListKeys(ctx context.Context) ([]models.ListKeysRes
 }
 
 // CreateKey creates a new API access key
-func (s *GarageAdminService) CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/CreateKey", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -112,7 +112,7 @@ func (s *GarageAdminService) CreateKey(ctx context.Context, req models.CreateKey
 }
 
 // GetKeyInfo returns information about a specific access key
-func (s *GarageAdminService) GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error) {
 	path := fmt.Sprintf("/v2/GetKeyInfo?id=%s", keyID)
 	if showSecret {
 		path += "&showSecretKey=true"
@@ -132,7 +132,7 @@ func (s *GarageAdminService) GetKeyInfo(ctx context.Context, keyID string, showS
 }
 
 // UpdateKey updates information about an access key
-func (s *GarageAdminService) UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
 	path := fmt.Sprintf("/v2/UpdateKey?id=%s", keyID)
 
 	resp, err := s.doRequest(ctx, http.MethodPost, path, req)
@@ -149,7 +149,7 @@ func (s *GarageAdminService) UpdateKey(ctx context.Context, keyID string, req mo
 }
 
 // DeleteKey deletes an access key from the cluster
-func (s *GarageAdminService) DeleteKey(ctx context.Context, keyID string) error {
+func (s *GarageV2AdminService) DeleteKey(ctx context.Context, keyID string) error {
 	path := fmt.Sprintf("/v2/DeleteKey?id=%s", keyID)
 
 	resp, err := s.doRequest(ctx, http.MethodPost, path, nil)
@@ -165,7 +165,7 @@ func (s *GarageAdminService) DeleteKey(ctx context.Context, keyID string) error
 }
 
 // ImportKey imports an existing API access key
-func (s *GarageAdminService) ImportKey(ctx context.Context, req models.ImportKeyRequest) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) ImportKey(ctx context.Context, req models.ImportKeyRequest) (*models.GarageKeyInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/ImportKey", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -180,7 +180,7 @@ func (s *GarageAdminService) ImportKey(ctx context.Context, req models.ImportKey
 }
 
 // ListBuckets returns all buckets in the cluster.
-func (s *GarageAdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
+func (s *GarageV2AdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "list_buckets").
@@ -216,7 +216,7 @@ func (s *GarageAdminService) ListBuckets(ctx context.Context) ([]models.ListBuck
 }
 
 // GetBucketInfo returns detailed information about a bucket by ID.
-func (s *GarageAdminService) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "get_bucket_info").
@@ -243,7 +243,7 @@ func (s *GarageAdminService) GetBucketInfo(ctx context.Context, bucketID string)
 }
 
 // GetBucketInfoByAlias returns detailed information about a bucket by its global alias.
-func (s *GarageAdminService) GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error) {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "get_bucket_info_by_alias").
@@ -270,7 +270,7 @@ func (s *GarageAdminService) GetBucketInfoByAlias(ctx context.Context, globalAli
 }
 
 // CreateBucket creates a new bucket via the Admin API.
-func (s *GarageAdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
 	var alias string
 	if req.GlobalAlias != nil {
 		alias = *req.GlobalAlias
@@ -301,7 +301,7 @@ func (s *GarageAdminService) CreateBucket(ctx context.Context, req models.Create
 }
 
 // UpdateBucket updates bucket settings.
-func (s *GarageAdminService) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "update_bucket").
@@ -328,7 +328,7 @@ func (s *GarageAdminService) UpdateBucket(ctx context.Context, bucketID string,
 }
 
 // DeleteBucket deletes a bucket.
-func (s *GarageAdminService) DeleteBucket(ctx context.Context, bucketID string) error {
+func (s *GarageV2AdminService) DeleteBucket(ctx context.Context, bucketID string) error {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "delete_bucket").
@@ -354,7 +354,7 @@ func (s *GarageAdminService) DeleteBucket(ctx context.Context, bucketID string)
 }
 
 // AddBucketAlias adds an alias to a bucket
-func (s *GarageAdminService) AddBucketAlias(ctx context.Context, req models.AddBucketAliasRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) AddBucketAlias(ctx context.Context, req models.AddBucketAliasRequest) (*models.GarageBucketInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/AddBucketAlias", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -369,7 +369,7 @@ func (s *GarageAdminService) AddBucketAlias(ctx context.Context, req models.AddB
 }
 
 // RemoveBucketAlias removes an alias from a bucket
-func (s *GarageAdminService) RemoveBucketAlias(ctx context.Context, req models.RemoveBucketAliasRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) RemoveBucketAlias(ctx context.Context, req models.RemoveBucketAliasRequest) (*models.GarageBucketInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/RemoveBucketAlias", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -384,7 +384,7 @@ func (s *GarageAdminService) RemoveBucketAlias(ctx context.Context, req models.R
 }
 
 // AllowBucketKey grants permissions for a key on a bucket.
-func (s *GarageAdminService) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "allow_bucket_key").
@@ -415,7 +415,7 @@ func (s *GarageAdminService) AllowBucketKey(ctx context.Context, req models.Buck
 }
 
 // DenyBucketKey revokes permissions for a key on a bucket
-func (s *GarageAdminService) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/DenyBucketKey", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -430,7 +430,7 @@ func (s *GarageAdminService) DenyBucketKey(ctx context.Context, req models.Bucke
 }
 
 // GetClusterHealth returns the health status of the cluster
-func (s *GarageAdminService) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {
+func (s *GarageV2AdminService) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/GetClusterHealth", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -445,7 +445,7 @@ func (s *GarageAdminService) GetClusterHealth(ctx context.Context) (*models.Clus
 }
 
 // GetClusterStatus returns the current status of the cluster
-func (s *GarageAdminService) GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error) {
+func (s *GarageV2AdminService) GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/GetClusterStatus", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -460,7 +460,7 @@ func (s *GarageAdminService) GetClusterStatus(ctx context.Context) (*models.Clus
 }
 
 // GetClusterStatistics returns global cluster statistics
-func (s *GarageAdminService) GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error) {
+func (s *GarageV2AdminService) GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/GetClusterStatistics", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -475,7 +475,7 @@ func (s *GarageAdminService) GetClusterStatistics(ctx context.Context) (*models.
 }
 
 // GetNodeInfo returns information about a specific node
-func (s *GarageAdminService) GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+func (s *GarageV2AdminService) GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
 	path := fmt.Sprintf("/v2/GetNodeInfo?node=%s", nodeID)
 
 	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
@@ -492,7 +492,7 @@ func (s *GarageAdminService) GetNodeInfo(ctx context.Context, nodeID string) (*m
 }
 
 // GetNodeStatistics returns statistics for a specific node
-func (s *GarageAdminService) GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+func (s *GarageV2AdminService) GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
 	path := fmt.Sprintf("/v2/GetNodeStatistics?node=%s", nodeID)
 
 	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
@@ -509,7 +509,7 @@ func (s *GarageAdminService) GetNodeStatistics(ctx context.Context, nodeID strin
 }
 
 // HealthCheck checks if the Admin API is reachable
-func (s *GarageAdminService) HealthCheck(ctx context.Context) error {
+func (s *GarageV2AdminService) HealthCheck(ctx context.Context) error {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/health", nil)
 	if err != nil {
 		return fmt.Errorf("health check failed: %w", err)
@@ -528,7 +528,7 @@ func msSince(t time.Time) float64 {
 }
 
 // GetMetrics returns Prometheus metrics from the Admin API
-func (s *GarageAdminService) GetMetrics(ctx context.Context) (string, error) {
+func (s *GarageV2AdminService) GetMetrics(ctx context.Context) (string, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/metrics", nil)
 	if err != nil {
 		return "", fmt.Errorf("request failed: %w", err)

backend/internal/services/admin_v2_test.go

@@ -16,13 +16,13 @@ import (
 )
 
 // newAdminTestServer wires an httptest.Server (with the supplied handler) to a
-// fresh *GarageAdminService configured with a known bearer token.
-func newAdminTestServer(t *testing.T, handler http.Handler) (*GarageAdminService, *httptest.Server) {
+// fresh *GarageV2AdminService configured with a known bearer token.
+func newAdminTestServer(t *testing.T, handler http.Handler) (*GarageV2AdminService, *httptest.Server) {
 	t.Helper()
 	srv := httptest.NewServer(handler)
 	t.Cleanup(srv.Close)
 
-	svc := NewGarageAdminService(&config.GarageConfig{
+	svc := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: srv.URL,
 		AdminToken:    "test-token-xyz",
 	}, "")
@@ -326,12 +326,12 @@ func TestDeleteBucket_PostWithIDQuery(t *testing.T) {
 func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 	cases := []struct {
 		name string
-		fn   func(s *GarageAdminService) error
+		fn   func(s *GarageV2AdminService) error
 		path string
 	}{
 		{
 			name: "AddBucketAlias",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{})
 				return err
 			},
@@ -339,7 +339,7 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 		},
 		{
 			name: "RemoveBucketAlias",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{})
 				return err
 			},
@@ -347,7 +347,7 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 		},
 		{
 			name: "AllowBucketKey",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.AllowBucketKey(context.Background(), models.BucketKeyPermRequest{})
 				return err
 			},
@@ -355,7 +355,7 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 		},
 		{
 			name: "DenyBucketKey",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.DenyBucketKey(context.Background(), models.BucketKeyPermRequest{})
 				return err
 			},
@@ -379,12 +379,12 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 func TestClusterEndpoints(t *testing.T) {
 	cases := []struct {
 		name string
-		fn   func(s *GarageAdminService) error
+		fn   func(s *GarageV2AdminService) error
 		path string
 	}{
 		{
 			name: "GetClusterHealth",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.GetClusterHealth(context.Background())
 				return err
 			},
@@ -392,7 +392,7 @@ func TestClusterEndpoints(t *testing.T) {
 		},
 		{
 			name: "GetClusterStatus",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.GetClusterStatus(context.Background())
 				return err
 			},
@@ -400,7 +400,7 @@ func TestClusterEndpoints(t *testing.T) {
 		},
 		{
 			name: "GetClusterStatistics",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.GetClusterStatistics(context.Background())
 				return err
 			},
@@ -427,12 +427,12 @@ func TestClusterEndpoints(t *testing.T) {
 func TestNodeEndpoints_NodeIDInQuery(t *testing.T) {
 	cases := []struct {
 		name string
-		fn   func(s *GarageAdminService, id string) error
+		fn   func(s *GarageV2AdminService, id string) error
 		path string
 	}{
 		{
 			name: "GetNodeInfo",
-			fn: func(s *GarageAdminService, id string) error {
+			fn: func(s *GarageV2AdminService, id string) error {
 				_, err := s.GetNodeInfo(context.Background(), id)
 				return err
 			},
@@ -440,7 +440,7 @@ func TestNodeEndpoints_NodeIDInQuery(t *testing.T) {
 		},
 		{
 			name: "GetNodeStatistics",
-			fn: func(s *GarageAdminService, id string) error {
+			fn: func(s *GarageV2AdminService, id string) error {
 				_, err := s.GetNodeStatistics(context.Background(), id)
 				return err
 			},
@@ -531,6 +531,63 @@ func TestDoRequest_MalformedJSONReturnsDecodeError(t *testing.T) {
 	}
 }
 
+// TestAllMethods_Non2xxReturnsError exercises the decodeResponse error branch
+// of every admin method by pointing them at a server that always returns 500.
+// This is a single sweep over the near-identical "if err := decodeResponse ...
+// return nil, fmt.Errorf(...)" branches that each wrapper repeats.
+func TestAllMethods_Non2xxReturnsError(t *testing.T) {
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		http.Error(w, "boom", http.StatusInternalServerError)
+	})
+	svc, _ := newAdminTestServer(t, h)
+	ctx := context.Background()
+
+	calls := map[string]func() error{
+		"ListKeys":             func() error { _, err := svc.ListKeys(ctx); return err },
+		"CreateKey":            func() error { _, err := svc.CreateKey(ctx, models.CreateKeyRequest{}); return err },
+		"GetKeyInfo":           func() error { _, err := svc.GetKeyInfo(ctx, "k", false); return err },
+		"UpdateKey":            func() error { _, err := svc.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); return err },
+		"DeleteKey":            func() error { return svc.DeleteKey(ctx, "k") },
+		"ImportKey":            func() error { _, err := svc.ImportKey(ctx, models.ImportKeyRequest{}); return err },
+		"ListBuckets":          func() error { _, err := svc.ListBuckets(ctx); return err },
+		"GetBucketInfo":        func() error { _, err := svc.GetBucketInfo(ctx, "b"); return err },
+		"GetBucketInfoByAlias": func() error { _, err := svc.GetBucketInfoByAlias(ctx, "b"); return err },
+		"CreateBucket":         func() error { _, err := svc.CreateBucket(ctx, models.CreateBucketAdminRequest{}); return err },
+		"UpdateBucket":         func() error { _, err := svc.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); return err },
+		"DeleteBucket":         func() error { return svc.DeleteBucket(ctx, "b") },
+		"AddBucketAlias":       func() error { _, err := svc.AddBucketAlias(ctx, models.AddBucketAliasRequest{}); return err },
+		"RemoveBucketAlias":    func() error { _, err := svc.RemoveBucketAlias(ctx, models.RemoveBucketAliasRequest{}); return err },
+		"AllowBucketKey":       func() error { _, err := svc.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); return err },
+		"DenyBucketKey":        func() error { _, err := svc.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); return err },
+		"GetClusterHealth":     func() error { _, err := svc.GetClusterHealth(ctx); return err },
+		"GetClusterStatus":     func() error { _, err := svc.GetClusterStatus(ctx); return err },
+		"GetClusterStatistics": func() error { _, err := svc.GetClusterStatistics(ctx); return err },
+		"GetNodeInfo":          func() error { _, err := svc.GetNodeInfo(ctx, "n"); return err },
+		"GetNodeStatistics":    func() error { _, err := svc.GetNodeStatistics(ctx, "n"); return err },
+		"HealthCheck":          func() error { return svc.HealthCheck(ctx) },
+	}
+
+	for name, fn := range calls {
+		t.Run(name, func(t *testing.T) {
+			if err := fn(); err == nil {
+				t.Fatalf("%s: expected error on 500, got nil", name)
+			}
+		})
+	}
+}
+
+// TestDebugLogLevelEnablesSessionLog exercises the NewGarageV2AdminService
+// branch that enables azuretls' session logging when logLevel == "debug".
+func TestDebugLogLevelEnablesSessionLog(t *testing.T) {
+	svc := NewGarageV2AdminService(&config.GarageConfig{
+		AdminEndpoint: "http://127.0.0.1:1",
+		AdminToken:    "t",
+	}, "debug")
+	if svc == nil || svc.httpClient == nil {
+		t.Fatal("expected service with configured http client")
+	}
+}
+
 func TestDoRequest_RetriesExhaustOnConnectionRefused(t *testing.T) {
 	listener, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
@@ -541,7 +598,7 @@ func TestDoRequest_RetriesExhaustOnConnectionRefused(t *testing.T) {
 		t.Fatalf("close listener: %v", err)
 	}
 
-	svc := NewGarageAdminService(&config.GarageConfig{
+	svc := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: "http://" + addr,
 		AdminToken:    "irrelevant",
 	}, "")

backend/internal/services/interfaces.go

@@ -9,7 +9,7 @@ import (
 )
 
 // AdminService is the set of Garage Admin API operations used by HTTP handlers.
-// It is implemented by *GarageAdminService in admin.go. Kept narrow so that
+// It is implemented by *GarageV2AdminService in admin_v2.go. Kept narrow so that
 // hand-rolled mocks in tests don't need to cover admin methods the handlers
 // never call.
 type AdminService interface {
@@ -28,6 +28,7 @@ type AdminService interface {
 	UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error)
 	DeleteBucket(ctx context.Context, bucketID string) error
 	AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
+	DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
 
 	// Cluster
 	GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error)
@@ -48,6 +49,7 @@ type AdminService interface {
 type S3Storage interface {
 	ListObjects(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error)
 	UploadObject(ctx context.Context, bucketName, key string, body io.Reader, contentType string) (*models.ObjectUploadResponse, error)
+	CreateDirectoryMarker(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error)
 	GetObject(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error)
 	ObjectExists(ctx context.Context, bucketName, key string) (bool, error)
 	DeleteObject(ctx context.Context, bucketName, key string) error
@@ -63,6 +65,7 @@ type S3Storage interface {
 
 // Compile-time guarantees that the concrete services implement the interfaces.
 var (
-	_ AdminService = (*GarageAdminService)(nil)
+	_ AdminService = (*GarageV2AdminService)(nil)
+	_ AdminService = (*GarageV1AdminService)(nil)
 	_ S3Storage    = (*S3Service)(nil)
 )

backend/internal/services/mocks/admin_mock.go

@@ -41,6 +41,7 @@ type AdminMock struct {
 	UpdateBucketFn         func(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error)
 	DeleteBucketFn         func(ctx context.Context, bucketID string) error
 	AllowBucketKeyFn       func(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
+	DenyBucketKeyFn        func(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
 
 	// Cluster
 	GetClusterHealthFn     func(ctx context.Context) (*models.ClusterHealth, error)
@@ -168,6 +169,14 @@ func (m *AdminMock) AllowBucketKey(ctx context.Context, req models.BucketKeyPerm
 	return m.AllowBucketKeyFn(ctx, req)
 }
 
+func (m *AdminMock) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	m.record("DenyBucketKey", req)
+	if m.DenyBucketKeyFn == nil {
+		return nil, errNotConfigured("DenyBucketKey")
+	}
+	return m.DenyBucketKeyFn(ctx, req)
+}
+
 // --- Cluster ---
 
 func (m *AdminMock) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {

backend/internal/services/mocks/mocks_test.go

@@ -0,0 +1,215 @@
+package mocks
+
+import (
+	"context"
+	"io"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+)
+
+// The mocks are exercised across the handlers test suite, but Go's per-
+// package coverage counts only statements executed from tests in THIS
+// package. This test calls every mock method with no Fn configured, which
+// covers the default "not configured" error path (and the record() helpers
+// that build the call log).
+
+func TestAdminMock_UnconfiguredMethodsReturnSentinel(t *testing.T) {
+	ctx := context.Background()
+	m := &AdminMock{}
+
+	type call struct {
+		name string
+		fn   func() error
+	}
+	calls := []call{
+		{"ListKeys", func() error { _, e := m.ListKeys(ctx); return e }},
+		{"CreateKey", func() error { _, e := m.CreateKey(ctx, models.CreateKeyRequest{}); return e }},
+		{"GetKeyInfo", func() error { _, e := m.GetKeyInfo(ctx, "k", false); return e }},
+		{"UpdateKey", func() error { _, e := m.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); return e }},
+		{"DeleteKey", func() error { return m.DeleteKey(ctx, "k") }},
+		{"ListBuckets", func() error { _, e := m.ListBuckets(ctx); return e }},
+		{"GetBucketInfo", func() error { _, e := m.GetBucketInfo(ctx, "b"); return e }},
+		{"GetBucketInfoByAlias", func() error { _, e := m.GetBucketInfoByAlias(ctx, "a"); return e }},
+		{"CreateBucket", func() error { _, e := m.CreateBucket(ctx, models.CreateBucketAdminRequest{}); return e }},
+		{"UpdateBucket", func() error { _, e := m.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); return e }},
+		{"DeleteBucket", func() error { return m.DeleteBucket(ctx, "b") }},
+		{"AllowBucketKey", func() error { _, e := m.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); return e }},
+		{"DenyBucketKey", func() error { _, e := m.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); return e }},
+		{"GetClusterHealth", func() error { _, e := m.GetClusterHealth(ctx); return e }},
+		{"GetClusterStatus", func() error { _, e := m.GetClusterStatus(ctx); return e }},
+		{"GetClusterStatistics", func() error { _, e := m.GetClusterStatistics(ctx); return e }},
+		{"GetNodeInfo", func() error { _, e := m.GetNodeInfo(ctx, "n"); return e }},
+		{"GetNodeStatistics", func() error { _, e := m.GetNodeStatistics(ctx, "n"); return e }},
+		{"HealthCheck", func() error { return m.HealthCheck(ctx) }},
+		{"GetMetrics", func() error { _, e := m.GetMetrics(ctx); return e }},
+	}
+
+	for _, c := range calls {
+		err := c.fn()
+		if err == nil {
+			t.Errorf("%s: expected error from unconfigured mock, got nil", c.name)
+			continue
+		}
+		if !strings.Contains(err.Error(), c.name) {
+			t.Errorf("%s: error %q should mention method name", c.name, err.Error())
+		}
+	}
+	if len(m.Calls) != len(calls) {
+		t.Errorf("Calls recorded = %d, want %d", len(m.Calls), len(calls))
+	}
+}
+
+func TestAdminMock_ConfiguredFnsAreInvoked(t *testing.T) {
+	ctx := context.Background()
+	m := &AdminMock{
+		ListKeysFn: func(ctx context.Context) ([]models.ListKeysResponseItem, error) {
+			return []models.ListKeysResponseItem{{ID: "k1"}}, nil
+		},
+		DeleteKeyFn:  func(ctx context.Context, id string) error { return nil },
+		HealthCheckFn: func(ctx context.Context) error { return nil },
+		GetMetricsFn: func(ctx context.Context) (string, error) { return "metric 1", nil },
+	}
+	if got, err := m.ListKeys(ctx); err != nil || len(got) != 1 {
+		t.Errorf("ListKeys = (%v, %v), want one item", got, err)
+	}
+	if err := m.DeleteKey(ctx, "k"); err != nil {
+		t.Errorf("DeleteKey: %v", err)
+	}
+	if err := m.HealthCheck(ctx); err != nil {
+		t.Errorf("HealthCheck: %v", err)
+	}
+	if got, _ := m.GetMetrics(ctx); got != "metric 1" {
+		t.Errorf("GetMetrics = %q", got)
+	}
+}
+
+func TestS3Mock_UnconfiguredMethodsReturnSentinel(t *testing.T) {
+	ctx := context.Background()
+	m := &S3Mock{}
+
+	if _, err := m.ListObjects(ctx, "b", "", 0, ""); err == nil {
+		t.Error("ListObjects: want error")
+	}
+	if _, err := m.UploadObject(ctx, "b", "k", strings.NewReader(""), ""); err == nil {
+		t.Error("UploadObject: want error")
+	}
+	if _, err := m.CreateDirectoryMarker(ctx, "b", "k/"); err == nil {
+		t.Error("CreateDirectoryMarker: want error")
+	}
+	if _, _, err := m.GetObject(ctx, "b", "k"); err == nil {
+		t.Error("GetObject: want error")
+	}
+	if _, err := m.ObjectExists(ctx, "b", "k"); err == nil {
+		t.Error("ObjectExists: want error")
+	}
+	if err := m.DeleteObject(ctx, "b", "k"); err == nil {
+		t.Error("DeleteObject: want error")
+	}
+	if _, err := m.GetObjectMetadata(ctx, "b", "k"); err == nil {
+		t.Error("GetObjectMetadata: want error")
+	}
+	if _, err := m.GetPresignedURL(ctx, "b", "k", time.Minute); err == nil {
+		t.Error("GetPresignedURL: want error")
+	}
+	if err := m.DeleteMultipleObjects(ctx, "b", []string{"k"}); err == nil {
+		t.Error("DeleteMultipleObjects: want error")
+	}
+	// UploadMultipleObjects has no error channel; it must return a result slice
+	// with one failed entry per input file.
+	results := m.UploadMultipleObjects(ctx, "b", []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}{
+		{Key: "a"}, {Key: "b"},
+	})
+	if len(results) != 2 {
+		t.Fatalf("len(results) = %d, want 2", len(results))
+	}
+	for _, r := range results {
+		if r.Success {
+			t.Errorf("result[%s] should not be successful with no Fn set", r.Key)
+		}
+	}
+	if len(m.Calls) < 10 {
+		t.Errorf("expected Calls to capture each invocation, got %d entries", len(m.Calls))
+	}
+}
+
+func TestS3Mock_ConfiguredFnsAreInvoked(t *testing.T) {
+	ctx := context.Background()
+	m := &S3Mock{
+		ListObjectsFn: func(_ context.Context, _, _ string, _ int, _ string) (*models.ObjectListResponse, error) {
+			return &models.ObjectListResponse{Count: 1}, nil
+		},
+		UploadObjectFn: func(_ context.Context, _, _ string, _ io.Reader, _ string) (*models.ObjectUploadResponse, error) {
+			return &models.ObjectUploadResponse{}, nil
+		},
+		CreateDirectoryMarkerFn: func(_ context.Context, _, _ string) (*models.ObjectUploadResponse, error) {
+			return &models.ObjectUploadResponse{}, nil
+		},
+		GetObjectFn: func(_ context.Context, _, _ string) (io.ReadCloser, *models.ObjectInfo, error) {
+			return io.NopCloser(strings.NewReader("x")), &models.ObjectInfo{}, nil
+		},
+		ObjectExistsFn: func(_ context.Context, _, _ string) (bool, error) { return true, nil },
+		DeleteObjectFn: func(_ context.Context, _, _ string) error { return nil },
+		GetObjectMetadataFn: func(_ context.Context, _, _ string) (*models.ObjectInfo, error) {
+			return &models.ObjectInfo{}, nil
+		},
+		GetPresignedURLFn: func(_ context.Context, _, _ string, _ time.Duration) (string, error) {
+			return "http://x", nil
+		},
+		DeleteMultipleObjectsFn: func(_ context.Context, _ string, _ []string) error { return nil },
+		UploadMultipleObjectsFn: func(_ context.Context, _ string, files []struct {
+			Key         string
+			Body        io.Reader
+			ContentType string
+		}) []services.UploadResult {
+			out := make([]services.UploadResult, len(files))
+			for i, f := range files {
+				out[i] = services.UploadResult{Key: f.Key, Success: true}
+			}
+			return out
+		},
+	}
+
+	if r, err := m.ListObjects(ctx, "b", "", 0, ""); err != nil || r.Count != 1 {
+		t.Errorf("ListObjects = (%+v, %v)", r, err)
+	}
+	if _, err := m.UploadObject(ctx, "b", "k", strings.NewReader(""), ""); err != nil {
+		t.Errorf("UploadObject: %v", err)
+	}
+	if _, err := m.CreateDirectoryMarker(ctx, "b", "k/"); err != nil {
+		t.Errorf("CreateDirectoryMarker: %v", err)
+	}
+	if _, _, err := m.GetObject(ctx, "b", "k"); err != nil {
+		t.Errorf("GetObject: %v", err)
+	}
+	if ok, err := m.ObjectExists(ctx, "b", "k"); err != nil || !ok {
+		t.Errorf("ObjectExists = (%v, %v)", ok, err)
+	}
+	if err := m.DeleteObject(ctx, "b", "k"); err != nil {
+		t.Errorf("DeleteObject: %v", err)
+	}
+	if _, err := m.GetObjectMetadata(ctx, "b", "k"); err != nil {
+		t.Errorf("GetObjectMetadata: %v", err)
+	}
+	if u, err := m.GetPresignedURL(ctx, "b", "k", time.Minute); err != nil || u == "" {
+		t.Errorf("GetPresignedURL = (%q, %v)", u, err)
+	}
+	if err := m.DeleteMultipleObjects(ctx, "b", []string{"k"}); err != nil {
+		t.Errorf("DeleteMultipleObjects: %v", err)
+	}
+	results := m.UploadMultipleObjects(ctx, "b", []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}{{Key: "a"}})
+	if len(results) != 1 || !results[0].Success {
+		t.Errorf("UploadMultipleObjects results = %+v", results)
+	}
+}

backend/internal/services/mocks/s3_mock.go

@@ -25,6 +25,7 @@ var _ services.S3Storage = (*S3Mock)(nil)
 type S3Mock struct {
 	ListObjectsFn          func(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error)
 	UploadObjectFn         func(ctx context.Context, bucketName, key string, body io.Reader, contentType string) (*models.ObjectUploadResponse, error)
+	CreateDirectoryMarkerFn func(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error)
 	GetObjectFn            func(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error)
 	ObjectExistsFn         func(ctx context.Context, bucketName, key string) (bool, error)
 	DeleteObjectFn         func(ctx context.Context, bucketName, key string) error
@@ -62,6 +63,14 @@ func (m *S3Mock) UploadObject(ctx context.Context, bucketName, key string, body
 	return m.UploadObjectFn(ctx, bucketName, key, body, contentType)
 }
 
+func (m *S3Mock) CreateDirectoryMarker(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error) {
+	m.record("CreateDirectoryMarker", bucketName, key)
+	if m.CreateDirectoryMarkerFn == nil {
+		return nil, s3NotConfigured("CreateDirectoryMarker")
+	}
+	return m.CreateDirectoryMarkerFn(ctx, bucketName, key)
+}
+
 func (m *S3Mock) GetObject(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error) {
 	m.record("GetObject", bucketName, key)
 	if m.GetObjectFn == nil {

backend/internal/services/s3.go

@@ -1,6 +1,7 @@
 package services
 
 import (
+	"bytes"
 	"context"
 	"fmt"
 	"io"
@@ -20,11 +21,11 @@ import (
 type S3Service struct {
 	client       *minio.Client
 	config       *config.GarageConfig
-	adminService *GarageAdminService
+	adminService AdminService
 }
 
 // NewS3Service creates a new S3 service instance using MinIO SDK
-func NewS3Service(cfg *config.GarageConfig, adminService *GarageAdminService) *S3Service {
+func NewS3Service(cfg *config.GarageConfig, adminService AdminService) *S3Service {
 	// Create MinIO client for Garage
 	// trim http or https from endpoint
 	if strings.HasPrefix(cfg.Endpoint, "http://") {
@@ -51,56 +52,77 @@ func NewS3Service(cfg *config.GarageConfig, adminService *GarageAdminService) *S
 	}
 }
 
-func (s *S3Service) getBucketCredentials(ctx context.Context, bucketName string) (*credentials.Credentials, error) {
-	cacheKey := fmt.Sprintf("key:%s", bucketName)
-	cacheData := utils.GlobalCache.Get(cacheKey)
+// Operation is a bitmask of S3 permissions a call needs. Combine with bitwise
+// OR (e.g. OpRead | OpWrite) when more than one is required.
+type Operation byte
 
-	if cacheData != nil {
-		return cacheData.(*credentials.Credentials), nil
+const (
+	OpRead  Operation = 0x1
+	OpWrite Operation = 0x2
+)
+
+// satisfies reports whether perms grants every bit set in op.
+func (op Operation) satisfies(perms models.BucketKeyPermission) bool {
+	if op&OpRead != 0 && !perms.Read {
+		return false
+	}
+	if op&OpWrite != 0 && !perms.Write {
+		return false
+	}
+	return true
+}
+
+func setKeyInCache(bucketName string, permissions models.BucketKeyPermission, creds *credentials.Credentials) {
+	canWrite := permissions.Write
+	canRead := permissions.Read
+
+	if canWrite {
+		key := fmt.Sprintf("key:%s:%d", bucketName, OpWrite)
+		utils.GlobalCache.Set(key, creds, time.Hour)
+	}
+
+	if canRead {
+		key := fmt.Sprintf("key:%s:%d", bucketName, OpRead)
+		utils.GlobalCache.Set(key, creds, time.Hour)
+	}
+
+	if canRead && canWrite {
+		key := fmt.Sprintf("key:%s:%d", bucketName, OpRead|OpWrite)
+		utils.GlobalCache.Set(key, creds, time.Hour)
+	}
+}
+
+func (s *S3Service) getBucketCredentials(ctx context.Context, bucketName string, op Operation) (*credentials.Credentials, error) {
+	cacheKey := fmt.Sprintf("key:%s:%d", bucketName, op)
+	if cached := utils.GlobalCache.Get(cacheKey); cached != nil {
+		return cached.(*credentials.Credentials), nil
 	}
 
-	// Get bucket info from Garage Admin API
 	bucketInfo, err := s.adminService.GetBucketInfoByAlias(ctx, bucketName)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get bucket info: %w", err)
 	}
 
-	// Find a key with read and write permissions
-	var accessKeyID, secretAccessKey string
 	for _, keyInfo := range bucketInfo.Keys {
-		if !keyInfo.Permissions.Read || !keyInfo.Permissions.Write {
+		if !op.satisfies(keyInfo.Permissions) {
 			continue
 		}
-
-		// Get key details with secret
 		keyDetails, err := s.adminService.GetKeyInfo(ctx, keyInfo.AccessKeyID, true)
-		if err != nil {
-			return nil, fmt.Errorf("failed to get key info: %w", err)
-		}
-
-		if keyDetails.SecretAccessKey != nil {
-			accessKeyID = keyDetails.AccessKeyID
-			secretAccessKey = *keyDetails.SecretAccessKey
-			break
+		if err != nil || keyDetails.SecretAccessKey == nil {
+			continue
 		}
+		creds := credentials.NewStaticV4(keyDetails.AccessKeyID, *keyDetails.SecretAccessKey, "")
+		setKeyInCache(bucketName, keyInfo.Permissions, creds)
+		return creds, nil
 	}
 
-	if accessKeyID == "" || secretAccessKey == "" {
-		return nil, fmt.Errorf("no valid credentials found for bucket %s", bucketName)
-	}
-
-	// Create credentials
-	creds := credentials.NewStaticV4(accessKeyID, secretAccessKey, "")
-
-	// Cache credentials for 1 hour
-	utils.GlobalCache.Set(cacheKey, creds, time.Hour)
-
-	return creds, nil
+	return nil, fmt.Errorf("no valid credentials found for bucket %s", bucketName)
 }
 
-// getMinioClient creates a MinIO client for a specific bucket with dynamic credentials
-func (s *S3Service) getMinioClient(ctx context.Context, bucketName string) (*minio.Client, error) {
-	creds, err := s.getBucketCredentials(ctx, bucketName)
+// getMinioClient creates a MinIO client for a specific bucket with credentials
+// that satisfy op.
+func (s *S3Service) getMinioClient(ctx context.Context, bucketName string, op Operation) (*minio.Client, error) {
+	creds, err := s.getBucketCredentials(ctx, bucketName, op)
 	if err != nil {
 		return nil, fmt.Errorf("cannot get credentials for bucket %s: %w", bucketName, err)
 	}
@@ -150,7 +172,7 @@ func (s *S3Service) ListBuckets(ctx context.Context) (*models.BucketListResponse
 
 // CreateBucket creates a new bucket in Garage
 func (s *S3Service) CreateBucket(ctx context.Context, bucketName string) error {
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead|OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -171,7 +193,7 @@ func (s *S3Service) CreateBucket(ctx context.Context, bucketName string) error {
 
 // DeleteBucket deletes a bucket from Garage
 func (s *S3Service) DeleteBucket(ctx context.Context, bucketName string) error {
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead|OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -191,7 +213,7 @@ func (s *S3Service) DeleteBucket(ctx context.Context, bucketName string) error {
 // ListObjects lists objects in a bucket with optional prefix filter and pagination
 func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -218,9 +240,28 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 		return nil, fmt.Errorf("failed to list objects in bucket %s: %w", bucketName, err)
 	}
 
+	// Drop directory marker objects (zero-byte keys ending in "/"). Garage
+	// returns them in Contents, but the UI renders folders from Prefixes — a
+	// marker shown as both a folder and a file is confusing. Any marker not
+	// already covered by a CommonPrefix is promoted to Prefixes below.
+	contents := make([]minio.ObjectInfo, 0, len(result.Contents))
+	markerKeys := make([]string, 0)
+	for _, obj := range result.Contents {
+		if strings.HasSuffix(obj.Key, "/") && obj.Size == 0 {
+			// A marker whose key equals the current listing prefix is the
+			// folder itself — drop it entirely so it doesn't render as a
+			// nameless child of itself.
+			if obj.Key != prefix {
+				markerKeys = append(markerKeys, obj.Key)
+			}
+			continue
+		}
+		contents = append(contents, obj)
+	}
+
 	// Process objects from result.Contents
 	// Note: ListObjectsV2 doesn't return ContentType, so we need to fetch it separately
-	objects := make([]models.ObjectInfo, len(result.Contents))
+	objects := make([]models.ObjectInfo, len(contents))
 
 	// Use goroutines to fetch ContentType concurrently for better performance
 	type statResult struct {
@@ -231,7 +272,7 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 
 	statChan := make(chan statResult, len(result.Contents))
 
-	for i, obj := range result.Contents {
+	for i, obj := range contents {
 		go func(idx int, objKey string) {
 			// Fetch object metadata to get ContentType
 			stat, err := client.StatObject(ctx, bucketName, objKey, minio.StatObjectOptions{})
@@ -254,7 +295,7 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 	}
 
 	// Collect results from goroutines
-	for range result.Contents {
+	for range contents {
 		res := <-statChan
 		if res.err == nil {
 			objects[res.index].ContentType = res.contentType
@@ -264,9 +305,20 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 	close(statChan)
 
 	// Process folders from result.CommonPrefixes
-	prefixList := make([]string, 0, len(result.CommonPrefixes))
+	prefixList := make([]string, 0, len(result.CommonPrefixes)+len(markerKeys))
+	seen := make(map[string]struct{}, len(result.CommonPrefixes))
 	for _, p := range result.CommonPrefixes {
 		prefixList = append(prefixList, p.Prefix)
+		seen[p.Prefix] = struct{}{}
+	}
+	// Promote filtered directory markers into Prefixes so empty folders still
+	// appear in the listing.
+	for _, k := range markerKeys {
+		if _, ok := seen[k]; ok {
+			continue
+		}
+		prefixList = append(prefixList, k)
+		seen[k] = struct{}{}
 	}
 
 	return &models.ObjectListResponse{
@@ -282,7 +334,7 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 // UploadObject uploads an object to a bucket
 func (s *S3Service) UploadObject(ctx context.Context, bucketName, key string, body io.Reader, contentType string) (*models.ObjectUploadResponse, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -314,10 +366,43 @@ func (s *S3Service) UploadObject(ctx context.Context, bucketName, key string, bo
 	}, nil
 }
 
+// CreateDirectoryMarker creates a zero-byte object whose key ends with "/".
+// Garage rejects the streaming path (size=-1) with "Empty body" because the
+// MinIO client switches to multipart upload, which requires payload. Passing
+// size=0 forces a single PutObject request with Content-Length: 0, which
+// Garage accepts as a directory marker.
+func (s *S3Service) CreateDirectoryMarker(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error) {
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
+	}
+
+	opts := minio.PutObjectOptions{ContentType: "application/x-directory"}
+
+	var info minio.UploadInfo
+	retryConfig := utils.DefaultRetryConfig()
+	err = utils.RetryWithBackoff(ctx, retryConfig, func() error {
+		var uploadErr error
+		info, uploadErr = client.PutObject(ctx, bucketName, key, bytes.NewReader(nil), 0, opts)
+		return uploadErr
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to create directory %s in bucket %s: %w", key, bucketName, err)
+	}
+
+	return &models.ObjectUploadResponse{
+		Bucket:      bucketName,
+		Key:         key,
+		ETag:        info.ETag,
+		Size:        info.Size,
+		ContentType: opts.ContentType,
+	}, nil
+}
+
 // GetObject retrieves an object from a bucket
 func (s *S3Service) GetObject(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -357,7 +442,7 @@ func (s *S3Service) GetObject(ctx context.Context, bucketName, key string) (io.R
 // DeleteObject deletes an object from a bucket
 func (s *S3Service) DeleteObject(ctx context.Context, bucketName, key string) error {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -377,7 +462,7 @@ func (s *S3Service) DeleteObject(ctx context.Context, bucketName, key string) er
 // ObjectExists checks if an object exists in a bucket
 func (s *S3Service) ObjectExists(ctx context.Context, bucketName, key string) (bool, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return false, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -405,7 +490,7 @@ func (s *S3Service) ObjectExists(ctx context.Context, bucketName, key string) (b
 // GetObjectMetadata retrieves metadata for an object without downloading it
 func (s *S3Service) GetObjectMetadata(ctx context.Context, bucketName, key string) (*models.ObjectInfo, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -441,7 +526,7 @@ func (s *S3Service) DeleteMultipleObjects(ctx context.Context, bucketName string
 	}
 
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -476,7 +561,7 @@ func (s *S3Service) DeleteMultipleObjects(ctx context.Context, bucketName string
 // This is useful for sharing files without exposing credentials
 func (s *S3Service) GetPresignedURL(ctx context.Context, bucketName, key string, expiresIn time.Duration) (string, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return "", fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -515,7 +600,7 @@ func (s *S3Service) UploadMultipleObjects(ctx context.Context, bucketName string
 	results := make([]UploadResult, len(files))
 
 	// Get bucket-specific MinIO client once for all uploads
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		// If we can't get the client, all uploads fail
 		for i := range files {

backend/internal/services/s3_minio_test.go

@@ -0,0 +1,569 @@
+package services
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/pkg/utils"
+)
+
+// s3ErrorXML writes an S3-style error response that the MinIO SDK parses.
+func s3ErrorXML(w http.ResponseWriter, status int, code, msg string) {
+	w.Header().Set("Content-Type", "application/xml")
+	w.WriteHeader(status)
+	_, _ = fmt.Fprintf(w, `<?xml version="1.0" encoding="UTF-8"?>
+<Error><Code>%s</Code><Message>%s</Message><Resource>/</Resource><RequestId>x</RequestId></Error>`, code, msg)
+}
+
+// newS3TestService builds an S3Service whose Endpoint points at a single
+// httptest.Server handling BOTH Garage admin calls (for credential lookup)
+// and S3 data-plane requests. Admin requests are routed by path prefix
+// `/v2/` and `/health`; everything else is treated as an S3 call and
+// dispatched to s3Handler.
+func newS3TestService(t *testing.T, s3Handler http.Handler) *S3Service {
+	t.Helper()
+
+	secret := "s3-test-secret"
+	adminMux := http.NewServeMux()
+	adminMux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "TESTAK", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+			},
+		})
+	})
+	adminMux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "TESTAK",
+			SecretAccessKey: &secret,
+		})
+	})
+
+	combined := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if strings.HasPrefix(r.URL.Path, "/v2/") || r.URL.Path == "/health" {
+			adminMux.ServeHTTP(w, r)
+			return
+		}
+		s3Handler.ServeHTTP(w, r)
+	})
+
+	srv := httptest.NewServer(combined)
+	t.Cleanup(srv.Close)
+
+	admin := NewGarageV2AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test",
+	}, "")
+
+	// strip scheme for S3 endpoint (NewS3Service does this itself if http:// prefix)
+	s3 := NewS3Service(&config.GarageConfig{
+		Endpoint: srv.URL, // http://127.0.0.1:NNNN
+		Region:   "garage",
+	}, admin)
+	return s3
+}
+
+// uniqueBucket2 returns a per-test bucket name so GlobalCache doesn't leak
+// credentials between tests.
+func uniqueBucket2(t *testing.T) string {
+	t.Helper()
+	name := "b-" + strings.ReplaceAll(t.Name(), "/", "-")
+	t.Cleanup(func() { utils.GlobalCache.Delete("key:" + name) })
+	return name
+}
+
+// fixedRequestCounter returns an http.Handler that always replies with the
+// given S3 error, and counts requests.
+func errS3Handler(status int, code string) (http.Handler, *int) {
+	var count int
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		count++
+		s3ErrorXML(w, status, code, code)
+	}), &count
+}
+
+func TestS3_ListBuckets_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusInternalServerError, "InternalError")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.ListBuckets(ctx)
+	if err == nil {
+		t.Fatal("expected error from ListBuckets, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to list buckets") {
+		t.Errorf("error %v should wrap 'failed to list buckets'", err)
+	}
+}
+
+func TestS3_CreateBucket_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusConflict, "BucketAlreadyExists")
+	s3 := newS3TestService(t, h)
+	_ = uniqueBucket2(t)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.CreateBucket(ctx, "b-TestS3_CreateBucket_ServerError")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to create bucket") {
+		t.Errorf("error = %v, want wrap 'failed to create bucket'", err)
+	}
+}
+
+func TestS3_DeleteBucket_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchBucket")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.DeleteBucket(ctx, "b-TestS3_DeleteBucket_ServerError")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to delete bucket") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_ListObjects_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_ServerError", "", 0, "")
+	if err == nil {
+		t.Fatal("expected error from ListObjects, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to list objects") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_UploadObject_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.UploadObject(ctx, "b-TestS3_UploadObject_ServerError", "k", bytes.NewReader([]byte("hi")), "text/plain")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to upload object") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_CreateDirectoryMarker_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.CreateDirectoryMarker(ctx, "b-TestS3_CreateDirectoryMarker_ServerError", "folder/")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to create directory") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_GetObject_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchKey")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, _, err := s3.GetObject(ctx, "b-TestS3_GetObject_ServerError", "missing")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+}
+
+func TestS3_DeleteObject_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.DeleteObject(ctx, "b-TestS3_DeleteObject_ServerError", "k")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to delete object") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_ObjectExists_NoSuchKeyReturnsFalseNil(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchKey")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	exists, err := s3.ObjectExists(ctx, "b-TestS3_ObjectExists_NoSuchKeyReturnsFalseNil", "k")
+	if err != nil {
+		t.Fatalf("ObjectExists returned error for NoSuchKey: %v", err)
+	}
+	if exists {
+		t.Error("exists should be false for NoSuchKey")
+	}
+}
+
+func TestS3_ObjectExists_OtherErrorPropagates(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.ObjectExists(ctx, "b-TestS3_ObjectExists_OtherErrorPropagates", "k")
+	if err == nil {
+		t.Fatal("expected error for AccessDenied, got nil")
+	}
+}
+
+func TestS3_GetObjectMetadata_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchKey")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.GetObjectMetadata(ctx, "b-TestS3_GetObjectMetadata_ServerError", "k")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to get metadata") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_DeleteMultipleObjects_EmptyKeysIsNoop(t *testing.T) {
+	// No S3 handler should be called; use a handler that fails if invoked.
+	called := false
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		called = true
+		s3ErrorXML(w, http.StatusInternalServerError, "ShouldNotHappen", "")
+	})
+	s3 := newS3TestService(t, h)
+
+	if err := s3.DeleteMultipleObjects(context.Background(), "whatever", nil); err != nil {
+		t.Fatalf("empty keys should return nil, got %v", err)
+	}
+	if called {
+		t.Error("S3 handler was invoked for empty-keys call")
+	}
+}
+
+func TestS3_DeleteMultipleObjects_ServerErrorPropagates(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.DeleteMultipleObjects(ctx, "b-TestS3_DeleteMultipleObjects_ServerErrorPropagates", []string{"a", "b"})
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+}
+
+func TestS3_GetPresignedURL_ReturnsURLWithoutServerCall(t *testing.T) {
+	// Presign is purely local (no network round-trip). Any handler suffices.
+	called := false
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		called = true
+	})
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.GetPresignedURL(ctx, "b-TestS3_GetPresignedURL_ReturnsURLWithoutServerCall", "k", 10*time.Minute)
+	if err != nil {
+		t.Fatalf("GetPresignedURL: %v", err)
+	}
+	u, perr := url.Parse(got)
+	if perr != nil {
+		t.Fatalf("returned URL is not parseable: %v", perr)
+	}
+	if u.Scheme == "" || u.Host == "" {
+		t.Errorf("presigned URL missing scheme/host: %q", got)
+	}
+	if !strings.Contains(u.RawQuery, "X-Amz-Signature") {
+		t.Errorf("presigned URL should contain X-Amz-Signature, got %q", got)
+	}
+	if called {
+		t.Error("presign should not make a network call")
+	}
+}
+
+// listBucketResultXML produces a ListBucketResult XML body that MinIO
+// parses. ListObjectsV2 is keyed on the `list-type=2` query parameter.
+func listBucketResultXML(bucket string, isTruncated bool, nextToken string, contents []struct {
+	Key          string
+	Size         int64
+	LastModified string
+	ETag         string
+}, commonPrefixes []string) string {
+	var b strings.Builder
+	b.WriteString(`<?xml version="1.0" encoding="UTF-8"?>`)
+	b.WriteString(`<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">`)
+	fmt.Fprintf(&b, `<Name>%s</Name>`, bucket)
+	b.WriteString(`<Prefix></Prefix>`)
+	fmt.Fprintf(&b, `<KeyCount>%d</KeyCount>`, len(contents))
+	b.WriteString(`<MaxKeys>1000</MaxKeys>`)
+	fmt.Fprintf(&b, `<IsTruncated>%t</IsTruncated>`, isTruncated)
+	if nextToken != "" {
+		fmt.Fprintf(&b, `<NextContinuationToken>%s</NextContinuationToken>`, nextToken)
+	}
+	for _, c := range contents {
+		lm := c.LastModified
+		if lm == "" {
+			lm = "2024-01-01T00:00:00.000Z"
+		}
+		etag := c.ETag
+		if etag == "" {
+			etag = "d41d8cd98f00b204e9800998ecf8427e"
+		}
+		fmt.Fprintf(&b, `<Contents><Key>%s</Key><LastModified>%s</LastModified><ETag>"%s"</ETag><Size>%d</Size><StorageClass>STANDARD</StorageClass></Contents>`,
+			c.Key, lm, etag, c.Size)
+	}
+	for _, p := range commonPrefixes {
+		fmt.Fprintf(&b, `<CommonPrefixes><Prefix>%s</Prefix></CommonPrefixes>`, p)
+	}
+	b.WriteString(`</ListBucketResult>`)
+	return b.String()
+}
+
+// s3ListHandler routes ListObjectsV2 (GET with list-type=2) to listBody
+// and StatObject (HEAD) to a 200 response whose headers reflect statHeaders.
+func s3ListHandler(listBody string, statHeaders map[string]string) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == http.MethodHead {
+			for k, v := range statHeaders {
+				w.Header().Set(k, v)
+			}
+			if _, ok := statHeaders["Content-Length"]; !ok {
+				w.Header().Set("Content-Length", "0")
+			}
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		// Treat any GET as a ListObjectsV2 request.
+		w.Header().Set("Content-Type", "application/xml")
+		w.WriteHeader(http.StatusOK)
+		_, _ = io.WriteString(w, listBody)
+	})
+}
+
+func TestS3_ListObjects_EmptyResult(t *testing.T) {
+	xml := listBucketResultXML("b", false, "", nil, nil)
+	s3 := newS3TestService(t, s3ListHandler(xml, nil))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_EmptyResult", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 0 || len(got.Objects) != 0 || len(got.Prefixes) != 0 {
+		t.Errorf("expected empty listing, got %+v", got)
+	}
+}
+
+func TestS3_ListObjects_ObjectsAndPrefixes(t *testing.T) {
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "file.txt", Size: 10},
+	}
+	xml := listBucketResultXML("b", false, "", contents, []string{"folder/"})
+	s3 := newS3TestService(t, s3ListHandler(xml, map[string]string{
+		"Content-Type":   "text/plain",
+		"Content-Length": "10",
+	}))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_ObjectsAndPrefixes", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 1 || got.Objects[0].Key != "file.txt" {
+		t.Errorf("objects = %+v", got.Objects)
+	}
+	if len(got.Prefixes) != 1 || got.Prefixes[0] != "folder/" {
+		t.Errorf("prefixes = %+v", got.Prefixes)
+	}
+	// ContentType from StatObject may or may not round-trip depending on
+	// signature validation in the MinIO client; don't assert on it here.
+}
+
+func TestS3_ListObjects_DirectoryMarkerPromotedToPrefix(t *testing.T) {
+	// A zero-byte key ending in "/" in Contents must be dropped from
+	// Objects and promoted to Prefixes (unless already covered).
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "empty-folder/", Size: 0},
+		{Key: "already/", Size: 0}, // duplicate of CommonPrefix — must not duplicate
+		{Key: "real.txt", Size: 5},
+	}
+	xml := listBucketResultXML("b", true, "tokenXYZ", contents, []string{"already/"})
+	s3 := newS3TestService(t, s3ListHandler(xml, map[string]string{"Content-Length": "5"}))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_DirectoryMarkerPromotedToPrefix", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 1 || got.Objects[0].Key != "real.txt" {
+		t.Errorf("Objects should contain only real.txt, got %+v", got.Objects)
+	}
+	// Prefixes should contain "already/" (from CommonPrefix) and "empty-folder/"
+	// (promoted from Contents). "already/" must not appear twice.
+	count := map[string]int{}
+	for _, p := range got.Prefixes {
+		count[p]++
+	}
+	if count["already/"] != 1 {
+		t.Errorf("Prefixes contains 'already/' %d times, want 1: %v", count["already/"], got.Prefixes)
+	}
+	if count["empty-folder/"] != 1 {
+		t.Errorf("Prefixes missing 'empty-folder/': %v", got.Prefixes)
+	}
+	if !got.IsTruncated || got.NextContinuationToken != "tokenXYZ" {
+		t.Errorf("pagination fields not propagated: IsTruncated=%v Token=%q", got.IsTruncated, got.NextContinuationToken)
+	}
+}
+
+func TestS3_ListObjects_MarkerMatchingPrefixIsDropped(t *testing.T) {
+	// When listing a specific prefix, a marker whose key == the listing
+	// prefix is the folder itself — it must not render as a child of itself.
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "mydir/", Size: 0}, // matches prefix — must be dropped entirely
+	}
+	xml := listBucketResultXML("b", false, "", contents, nil)
+	s3 := newS3TestService(t, s3ListHandler(xml, nil))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_MarkerMatchingPrefixIsDropped", "mydir/", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if len(got.Objects) != 0 || len(got.Prefixes) != 0 {
+		t.Errorf("marker equal to prefix should be dropped entirely, got %+v", got)
+	}
+}
+
+func TestS3_ListObjects_StatObjectFailureLeavesContentTypeEmpty(t *testing.T) {
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "f.bin", Size: 100},
+	}
+	xml := listBucketResultXML("b", false, "", contents, nil)
+
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == http.MethodHead {
+			// StatObject fails — return 403.
+			w.WriteHeader(http.StatusForbidden)
+			return
+		}
+		w.Header().Set("Content-Type", "application/xml")
+		w.WriteHeader(http.StatusOK)
+		_, _ = io.WriteString(w, xml)
+	})
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_StatObjectFailureLeavesContentTypeEmpty", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 1 || got.Objects[0].Key != "f.bin" {
+		t.Fatalf("unexpected object list %+v", got.Objects)
+	}
+	if got.Objects[0].ContentType != "" {
+		t.Errorf("ContentType = %q, want empty on StatObject failure", got.Objects[0].ContentType)
+	}
+}
+
+func TestS3_UploadMultipleObjects_PerFileFailuresRecorded(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	results := s3.UploadMultipleObjects(ctx, "b-TestS3_UploadMultipleObjects_PerFileFailuresRecorded", []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}{
+		{Key: "a", Body: bytes.NewReader([]byte("hello")), ContentType: "text/plain"},
+		{Key: "b", Body: bytes.NewReader([]byte("world")), ContentType: "text/plain"},
+	})
+
+	if len(results) != 2 {
+		t.Fatalf("len(results) = %d, want 2", len(results))
+	}
+	for i, r := range results {
+		if r.Success {
+			t.Errorf("result[%d] should not be successful: %+v", i, r)
+		}
+		if r.Error == nil {
+			t.Errorf("result[%d] should have Error set", i)
+		}
+	}
+}

backend/internal/services/s3_test.go

@@ -3,6 +3,7 @@ package services
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"strings"
@@ -56,14 +57,14 @@ func TestNewS3Service_LeavesBareHostUnchanged(t *testing.T) {
 	}
 }
 
-// adminBackedS3 wires an S3Service to a fresh GarageAdminService that talks
+// adminBackedS3 wires an S3Service to a fresh GarageV2AdminService that talks
 // to the supplied http.Handler.
 func adminBackedS3(t *testing.T, handler http.Handler) (*S3Service, *httptest.Server) {
 	t.Helper()
 	srv := httptest.NewServer(handler)
 	t.Cleanup(srv.Close)
 
-	admin := NewGarageAdminService(&config.GarageConfig{
+	admin := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: srv.URL,
 		AdminToken:    "test-token",
 	}, "")
@@ -80,7 +81,9 @@ func uniqueBucket(t *testing.T) string {
 	t.Helper()
 	name := "test-bucket-" + t.Name()
 	t.Cleanup(func() {
-		utils.GlobalCache.Delete("key:" + name)
+		for _, op := range []Operation{OpRead, OpWrite, OpRead | OpWrite} {
+			utils.GlobalCache.Delete(fmt.Sprintf("key:%s:%d", name, op))
+		}
 	})
 	return name
 }
@@ -111,7 +114,7 @@ func TestGetBucketCredentials_HappyPath(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	creds, err := s3.getBucketCredentials(context.Background(), bucket)
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err != nil {
 		t.Fatalf("getBucketCredentials: %v", err)
 	}
@@ -152,7 +155,7 @@ func TestGetBucketCredentials_CachesAcrossCalls(t *testing.T) {
 	s3, _ := adminBackedS3(t, mux)
 
 	for i := range 3 {
-		if _, err := s3.getBucketCredentials(context.Background(), bucket); err != nil {
+		if _, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite); err != nil {
 			t.Fatalf("call %d: %v", i, err)
 		}
 	}
@@ -164,7 +167,82 @@ func TestGetBucketCredentials_CachesAcrossCalls(t *testing.T) {
 	}
 }
 
-func TestGetBucketCredentials_SkipsKeysWithoutReadOrWrite(t *testing.T) {
+func TestGetBucketCredentials_RWKeyWarmsAllTiers(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "rw-secret"
+
+	var bucketCalls, keyCalls int
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		bucketCalls++
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "RW", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		keyCalls++
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "RW",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	// Prime via OpRead — should populate OpRead, OpWrite, and OpRead|OpWrite.
+	if _, err := s3.getBucketCredentials(context.Background(), bucket, OpRead); err != nil {
+		t.Fatalf("prime OpRead: %v", err)
+	}
+	for _, op := range []Operation{OpWrite, OpRead | OpWrite, OpRead} {
+		if _, err := s3.getBucketCredentials(context.Background(), bucket, op); err != nil {
+			t.Fatalf("op %d: %v", op, err)
+		}
+	}
+	if bucketCalls != 1 {
+		t.Errorf("GetBucketInfo called %d times, want 1 (RW key should warm every tier)", bucketCalls)
+	}
+	if keyCalls != 1 {
+		t.Errorf("GetKeyInfo called %d times, want 1", keyCalls)
+	}
+}
+
+// A read-only key must NOT populate the write or RW cache slots, otherwise an
+// OpWrite call would receive credentials the cluster will reject.
+func TestGetBucketCredentials_ReadOnlyKeyDoesNotPoisonWriteCache(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "ro-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "READ-ONLY", Permissions: models.BucketKeyPermission{Read: true, Write: false}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "READ-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	// Warm OpRead cache with the read-only key.
+	if _, err := s3.getBucketCredentials(context.Background(), bucket, OpRead); err != nil {
+		t.Fatalf("prime OpRead: %v", err)
+	}
+	// OpWrite must still fail — the read-only key must not have leaked into
+	// the write cache slot.
+	if _, err := s3.getBucketCredentials(context.Background(), bucket, OpWrite); err == nil {
+		t.Fatal("OpWrite served credentials from a read-only key; cache was poisoned")
+	}
+}
+
+func TestGetBucketCredentials_OpReadWriteSkipsKeysMissingAnyBit(t *testing.T) {
 	bucket := uniqueBucket(t)
 	secret := "good-secret"
 
@@ -191,7 +269,7 @@ func TestGetBucketCredentials_SkipsKeysWithoutReadOrWrite(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	creds, err := s3.getBucketCredentials(context.Background(), bucket)
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err != nil {
 		t.Fatalf("getBucketCredentials: %v", err)
 	}
@@ -204,6 +282,112 @@ func TestGetBucketCredentials_SkipsKeysWithoutReadOrWrite(t *testing.T) {
 	}
 }
 
+// Regression test for issue #44: read-only buckets must remain browsable when
+// no read+write key is assigned. Before the fix, this case returned
+// "no valid credentials found for bucket music" and the UI broke entirely.
+func TestGetBucketCredentials_ReadOnlyFallsBackToReadKey(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "ro-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "READ-ONLY", Permissions: models.BucketKeyPermission{Read: true, Write: false}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "READ-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead)
+	if err != nil {
+		t.Fatalf("getBucketCredentials: %v", err)
+	}
+	v, err := creds.GetWithContext(nil)
+	if err != nil {
+		t.Fatalf("creds.GetWithContext: %v", err)
+	}
+	if v.AccessKeyID != "READ-ONLY" {
+		t.Errorf("AccessKeyID = %q, want READ-ONLY", v.AccessKeyID)
+	}
+}
+
+// Even with only a read-only key available, asking for write credentials must
+// still fail loudly so uploads/deletes return a meaningful error instead of
+// silently using a key that the cluster will reject.
+func TestGetBucketCredentials_ReadOnlyBucketRejectsWriteRequest(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "ro-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "READ-ONLY", Permissions: models.BucketKeyPermission{Read: true, Write: false}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "READ-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
+	if err == nil {
+		t.Fatal("expected error when only a read-only key exists, got nil")
+	}
+	if !strings.Contains(err.Error(), "no valid credentials") {
+		t.Errorf("expected 'no valid credentials' in error, got %v", err)
+	}
+}
+
+// Mirror of issue #44 for write-only buckets: uploads must still succeed with a
+// write-only key, even though no key grants read access.
+func TestGetBucketCredentials_WriteOnlyFallsBackToWriteKey(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "wo-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "WRITE-ONLY", Permissions: models.BucketKeyPermission{Read: false, Write: true}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "WRITE-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpWrite)
+	if err != nil {
+		t.Fatalf("getBucketCredentials: %v", err)
+	}
+	v, err := creds.GetWithContext(nil)
+	if err != nil {
+		t.Fatalf("creds.GetWithContext: %v", err)
+	}
+	if v.AccessKeyID != "WRITE-ONLY" {
+		t.Errorf("AccessKeyID = %q, want WRITE-ONLY", v.AccessKeyID)
+	}
+}
+
 func TestGetBucketCredentials_NoEligibleKeyReturnsError(t *testing.T) {
 	bucket := uniqueBucket(t)
 
@@ -219,7 +403,7 @@ func TestGetBucketCredentials_NoEligibleKeyReturnsError(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	_, err := s3.getBucketCredentials(context.Background(), bucket)
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead)
 	if err == nil {
 		t.Fatal("expected error when bucket has no keys, got nil")
 	}
@@ -254,7 +438,7 @@ func TestGetBucketCredentials_KeyWithoutSecretIsSkipped(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	creds, err := s3.getBucketCredentials(context.Background(), bucket)
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err != nil {
 		t.Fatalf("getBucketCredentials: %v", err)
 	}
@@ -277,7 +461,7 @@ func TestGetBucketCredentials_AdminErrorPropagates(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	_, err := s3.getBucketCredentials(context.Background(), bucket)
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err == nil {
 		t.Fatal("expected error when admin call fails, got nil")
 	}

backend/main.go

@@ -64,10 +64,24 @@ var version = "dev"
 func main() {
 	// Parse command-line flags
 	configPath := flag.String("config", "config.yaml", "Path to configuration file")
+	garageTomlPath := flag.String("garage-toml", "", "Path to garage.toml file (extracts Garage connection values)")
 	flag.Parse()
 
+	// Env var fallback for --garage-toml
+	if *garageTomlPath == "" {
+		if envPath := os.Getenv("GARAGE_UI_GARAGE_TOML"); envPath != "" {
+			*garageTomlPath = envPath
+		}
+	}
+
+	// Build load options
+	var loadOpts []config.LoadOption
+	if *garageTomlPath != "" {
+		loadOpts = append(loadOpts, config.WithGarageToml(*garageTomlPath))
+	}
+
 	// Load configuration first (before initializing logger)
-	cfg, err := config.Load(*configPath)
+	cfg, err := config.Load(*configPath, loadOpts...)
 	if err != nil {
 		// If config fails to load, use default logger to report the error
 		logger.Get().Fatal().Err(err).Str("config_path", *configPath).Msg("Failed to load configuration")
@@ -87,9 +101,21 @@ func main() {
 		Str("environment", cfg.Server.Environment).
 		Msg("Starting Garage UI Backend")
 
+	if *garageTomlPath != "" {
+		logger.Warn().
+			Str("s3_endpoint", cfg.Garage.Endpoint).
+			Str("admin_endpoint", cfg.Garage.AdminEndpoint).
+			Msg("Endpoints inferred from garage.toml bind addresses — override with GARAGE_UI_GARAGE_ENDPOINT / GARAGE_UI_GARAGE_ADMIN_ENDPOINT for remote/container setups")
+	}
+
 	// Initialize services
-	logger.Info().Msg("Initializing Garage Admin service")
-	adminService := services.NewGarageAdminService(&cfg.Garage, cfg.Logging.Level)
+	logger.Info().Msg("Detecting Garage API version")
+	adminResult, err := services.NewAdminService(&cfg.Garage, cfg.Logging.Level)
+	if err != nil {
+		logger.Fatal().Err(err).Msg("Failed to connect to Garage admin API")
+	}
+	adminService := adminResult.Service
+	capabilitiesHandler := handlers.NewCapabilitiesHandler(adminResult.APIVersion, adminResult.Capabilities)
 
 	logger.Info().Msg("Initializing S3 service")
 	s3Service := services.NewS3Service(&cfg.Garage, adminService)
@@ -102,6 +128,9 @@ func main() {
 	if cfg.Auth.OIDC.Enabled {
 		authMethods = append(authMethods, "oidc")
 	}
+	if cfg.Auth.Token.Enabled {
+		authMethods = append(authMethods, "token")
+	}
 	if len(authMethods) == 0 {
 		authMethods = append(authMethods, "none")
 	}
@@ -182,6 +211,7 @@ func main() {
 		userHandler,
 		clusterHandler,
 		monitoringHandler,
+		capabilitiesHandler,
 	)
 
 	// Start server in a goroutine
@@ -189,11 +219,12 @@ func main() {
 		addr := cfg.GetAddress()
 		logger.Info().
 			Str("address", addr).
+			Str("network", fiber.NetworkTCP).
 			Str("health_endpoint", fmt.Sprintf("http://%s/health", addr)).
 			Str("api_docs", fmt.Sprintf("http://%s/api/v1/", addr)).
 			Msg("Server starting")
 
-		if err := app.Listen(addr); err != nil {
+		if err := app.Listen(addr, fiber.ListenConfig{ListenerNetwork: fiber.NetworkTCP}); err != nil {
 			logger.Fatal().Err(err).Msg("Failed to start server")
 		}
 	}()

backend/pkg/logger/logger_test.go

@@ -219,6 +219,28 @@ func TestLogger_WithContext_AddsFields(t *testing.T) {
 	}
 }
 
+func TestWithError_AttachesErrorField(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "error", Format: "json"})
+		WithError(io.EOF).Msg("boom")
+	})
+
+	line := firstNonEmptyLine(out)
+	var parsed map[string]any
+	if err := json.Unmarshal([]byte(line), &parsed); err != nil {
+		t.Fatalf("not JSON: %v — %s", err, line)
+	}
+	if got, _ := parsed["error"].(string); got != io.EOF.Error() {
+		t.Errorf("error field = %v, want %q", parsed["error"], io.EOF.Error())
+	}
+	if got, _ := parsed["level"].(string); got != "error" {
+		t.Errorf("level = %v, want error", parsed["level"])
+	}
+}
+
 // --- helpers ---
 
 func firstNonEmptyLine(s string) string {

backend/pkg/utils/retry_test.go

@@ -266,3 +266,19 @@ func containsAll(s string, subs ...string) bool {
 	}
 	return true
 }
+
+func TestDefaultRetryConfig(t *testing.T) {
+	c := DefaultRetryConfig()
+	if c.MaxRetries <= 0 {
+		t.Errorf("MaxRetries = %d, want >0", c.MaxRetries)
+	}
+	if c.InitialBackoff <= 0 {
+		t.Errorf("InitialBackoff = %v, want >0", c.InitialBackoff)
+	}
+	if c.MaxBackoff < c.InitialBackoff {
+		t.Errorf("MaxBackoff (%v) should be >= InitialBackoff (%v)", c.MaxBackoff, c.InitialBackoff)
+	}
+	if c.BackoffFactor < 1.0 {
+		t.Errorf("BackoffFactor = %v, want >=1.0", c.BackoffFactor)
+	}
+}

codecov.yml

@@ -0,0 +1,17 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 85%
+        threshold: 1%
+    patch:
+      default:
+        target: 80%
+
+ignore:
+  - "backend/main.go"
+  - "backend/docs/"
+  - "backend/internal/services/mocks/"
+  - "backend/**/*_mock.go"
+  - "backend/internal/services/s3.go"
+  - "frontend/"

config.example.yaml

@@ -2,7 +2,7 @@
 
 # Server configuration
 server:
-  host: "0.0.0.0"
+  host: "::" # IPv6 wildcard; dual-stack behavior depends on OS/runtime socket settings
   port: 8080
   environment: "development" # development, production
   domain: "localhost" # Domain name for the application
@@ -40,6 +40,12 @@ auth:
     username: "admin"
     password: "changeme"
 
+  # Admin Token Authentication
+  # When enabled, users can log in using the Garage admin token
+  # Auto-enabled when no other auth method is configured (zero-config fallback)
+  token:
+    enabled: false # Set to true to explicitly enable, or leave all auth disabled for auto-enable
+
   # OIDC Configuration
   # NOTE: When OIDC is enabled, server.root_url is required for OAuth2 redirects
   # The redirect URL will be automatically constructed as: {root_url}/auth/oidc/callback
@@ -69,7 +75,14 @@ auth:
 
     # Role-based access (optional)
     role_attribute_path: "resource_access.garage-ui.roles"
+    # Single admin role (backward-compatible).
     admin_role: "admin"
+    # Multiple admin roles: a user is granted admin if ANY of their roles
+    # matches ANY entry below. Values from admin_role and admin_roles are
+    # merged, so you can set either, both, or only admin_roles.
+    # admin_roles:
+    #   - "garage-admins"
+    #   - "platform-team"
 
     # TLS configuration
     tls_skip_verify: false # Only set to true for testing, not recommended for production

docs/garage-setup.md

@@ -0,0 +1,59 @@
+# Setting Up a Garage Cluster
+
+This guide walks you through setting up a local Garage cluster using Docker Compose for use with Garage UI.
+
+If you already have a running Garage cluster, skip this and go straight to the [Quick Start](../README.md#quick-start).
+
+## Prerequisites
+
+- Docker & Docker Compose
+
+## 1. Start Garage
+
+From the garage-ui repository root:
+
+```bash
+docker compose up -d garage
+sleep 10
+```
+
+## 2. Initialize the Cluster Layout
+
+```bash
+# Assign the node to a zone with 1GB capacity
+docker compose exec garage garage layout assign -z dc1 -c 1G $(docker compose exec garage garage node id -q)
+
+# Apply the layout
+docker compose exec garage garage layout apply --version 1
+```
+
+## 3. Create an Admin Key
+
+```bash
+docker compose exec garage garage key create admin-key
+```
+
+Save the **access key** and **secret key** from the output — you'll need them for configuration.
+
+## 4. Configure Garage UI
+
+Copy the example config and fill in your Garage endpoints and admin token:
+
+```bash
+cp config.example.yaml config.yaml
+```
+
+The `admin_token` can be found in your `garage.toml` file. See [Garage Configuration](../README.md#garage-configuration) for the required `garage.toml` settings.
+
+## 5. Start Garage UI
+
+```bash
+docker compose up -d garage-ui
+```
+
+Access Garage UI at http://localhost:8080
+
+## Next Steps
+
+- [Configuration reference](../config.example.yaml) for all available options
+- [Garage official documentation](https://garagehq.deuxfleurs.fr/documentation/) for advanced Garage setup

frontend/package.json

@@ -14,7 +14,7 @@
     "@radix-ui/react-tooltip": "^1.2.8",
     "@tanstack/react-query": "^5.90.10",
     "@tanstack/react-table": "^8.21.3",
-    "axios": "^1.13.2",
+    "axios": "^1.16.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
@@ -23,7 +23,7 @@
     "react-dom": "^19.2.0",
     "react-dropzone": "^14.3.8",
     "react-hook-form": "^7.66.1",
-    "react-router-dom": "^7.9.6",
+    "react-router-dom": "^7.16.0",
     "recharts": "^3.5.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
@@ -36,16 +36,16 @@
     "@types/node": "^24.10.1",
     "@types/react": "^19.2.5",
     "@types/react-dom": "^19.2.3",
-    "@vitejs/plugin-react": "^5.1.1",
+    "@vitejs/plugin-react": "^5.2.0",
     "autoprefixer": "^10.4.22",
     "eslint": "^9.39.1",
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.4.24",
     "globals": "^16.5.0",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.12",
     "tailwindcss": "^4.1.17",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.46.4",
-    "vite": "^7.2.4"
+    "vite": "^8.0.16"
   }
 }

frontend/public/fonts/LICENSE.txt

@@ -0,0 +1,93 @@
+Copyright 2024 The Geist Project Authors (https://github.com/vercel/geist-font.git)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

frontend/src/App.tsx

@@ -1,14 +1,19 @@
 import { useEffect } from 'react';
-import {BrowserRouter, Route, Routes} from 'react-router-dom';
+import {BrowserRouter, Navigate, Route, Routes} from 'react-router-dom';
 import {QueryClientProvider} from '@tanstack/react-query';
 import {ThemeProvider, useTheme} from '@/components/theme-provider';
 import {Layout} from '@/components/layout/layout';
+import {BucketDetailShell} from '@/components/layout/bucket-detail-shell';
 import {Dashboard} from '@/pages/Dashboard';
 import {Buckets} from '@/pages/Buckets';
+import {BucketObjects} from '@/pages/BucketObjects';
+import {ObjectDetailsView} from '@/components/buckets/ObjectDetailsView';
+import {BucketPermissions} from '@/pages/BucketPermissions';
+import {BucketWebsite} from '@/pages/BucketWebsite';
+import {BucketSettings} from '@/pages/BucketSettings';
 import {Cluster} from '@/pages/Cluster';
 import {AccessControl} from '@/pages/AccessControl';
 import {Login} from '@/pages/Login';
-import {ObjectDetailsView} from '@/components/buckets/ObjectDetailsView';
 import {Toaster} from 'sonner';
 import {queryClient} from '@/lib/query-client';
 import {useAuthStore} from '@/store/auth-store';
@@ -17,8 +22,21 @@ import {LoadingSpinner} from '@/components/auth/LoadingSpinner';
 
 function ThemedToaster() {
   const { theme } = useTheme();
-
-  return <Toaster richColors position="bottom-right" theme={theme} />;
+  return (
+    <Toaster
+      richColors
+      position="bottom-right"
+      theme={theme}
+      toastOptions={{
+        classNames: {
+          toast:
+            'rounded-lg border border-[var(--border)] bg-[var(--card)] text-[var(--foreground)] font-sans shadow-lg',
+          title: 'text-[14px] font-medium',
+          description: 'text-[13px] text-[var(--muted-foreground)]',
+        },
+      }}
+    />
+  );
 }
 
 function App() {
@@ -49,7 +67,14 @@ function App() {
             >
               <Route index element={<Dashboard />} />
               <Route path="buckets" element={<Buckets />} />
-              <Route path="buckets/:bucketName/objects/*" element={<ObjectDetailsView />} />
+              <Route path="buckets/:bucketName" element={<BucketDetailShell />}>
+                <Route index element={<Navigate to="objects" replace />} />
+                <Route path="objects" element={<BucketObjects />} />
+                <Route path="objects/*" element={<ObjectDetailsView />} />
+                <Route path="permissions" element={<BucketPermissions />} />
+                <Route path="website" element={<BucketWebsite />} />
+                <Route path="settings" element={<BucketSettings />} />
+              </Route>
               <Route path="cluster" element={<Cluster />} />
               <Route path="access" element={<AccessControl />} />
             </Route>

frontend/src/components/auth/BasicLoginForm.tsx

@@ -99,7 +99,7 @@ export function BasicLoginForm({ showOIDC = false, config }: BasicLoginFormProps
             </div>
             <Button
               type="button"
-              variant="outline"
+              variant="secondary"
               className="w-full"
               onClick={loginOIDC}
             >

frontend/src/components/auth/TokenLoginForm.tsx

@@ -0,0 +1,71 @@
+import { useState } from 'react';
+import { useNavigate, useSearchParams } from 'react-router-dom';
+import { useAuthStore } from '@/store/auth-store';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+
+export function TokenLoginForm() {
+  const [token, setToken] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const [searchParams] = useSearchParams();
+  const navigate = useNavigate();
+  const { loginToken } = useAuthStore();
+
+  const returnUrl = searchParams.get('returnUrl') || '/';
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setIsLoading(true);
+
+    try {
+      await loginToken(token);
+      navigate(decodeURIComponent(returnUrl));
+    } catch (error) {
+      console.error('Login failed:', error);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <Card className="w-full">
+      <CardHeader className="space-y-1">
+        <div className="flex items-center justify-center mb-4">
+          <img
+            src="/garage.png"
+            alt="Garage Logo"
+            className="h-16 w-16 object-contain"
+          />
+        </div>
+        <CardTitle className="text-2xl text-center">
+          Welcome to Garage UI
+        </CardTitle>
+      </CardHeader>
+      <CardContent>
+        <form onSubmit={handleSubmit} className="space-y-4">
+          <div className="space-y-2">
+            <label htmlFor="admin-token" className="text-sm font-medium">Admin Token</label>
+            <Input
+              id="admin-token"
+              type="password"
+              placeholder="Enter your Garage admin token"
+              value={token}
+              onChange={(e) => setToken(e.target.value)}
+              required
+              disabled={isLoading}
+              autoComplete="off"
+            />
+          </div>
+          <Button
+            type="submit"
+            className="w-full"
+            disabled={isLoading || !token}
+          >
+            {isLoading ? 'Signing in...' : 'Sign in'}
+          </Button>
+        </form>
+      </CardContent>
+    </Card>
+  );
+}

frontend/src/components/buckets/BucketListView.tsx

@@ -9,7 +9,7 @@ import {
   DropdownMenuSeparator,
   DropdownMenuTrigger,
 } from '@/components/ui/dropdown-menu';
-import { FolderIcon, Globe, Loader2, MoreVertical, Plus, Search, Settings, Trash2 } from 'lucide-react';
+import { FolderIcon, Globe, Loader2, MoreVertical, Search, Settings, Trash2 } from 'lucide-react';
 import { formatBytes } from '@/lib/file-utils';
 import { formatDate } from '@/lib/utils';
 import type { Bucket } from '@/types';
@@ -21,7 +21,6 @@ interface BucketListViewProps {
   onSearchChange: (query: string) => void;
   onViewBucket: (bucketName: string) => void;
   onOpenSettings: (bucket: Bucket) => void;
-  onCreateBucket: () => void;
   onDeleteBucket: (bucket: Bucket) => void;
   onWebsiteSettings: (bucket: Bucket) => void;
 }
@@ -33,7 +32,6 @@ export function BucketListView({
   onSearchChange,
   onViewBucket,
   onOpenSettings,
-  onCreateBucket,
   onDeleteBucket,
   onWebsiteSettings,
 }: BucketListViewProps) {
@@ -44,20 +42,14 @@ export function BucketListView({
   return (
     <div className="space-y-4 sm:space-y-6">
       {/* Toolbar */}
-      <div className="flex flex-col sm:flex-row items-stretch sm:items-center justify-between gap-3">
-        <div className="relative flex-1 max-w-full sm:max-w-xs">
-          <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
-          <Input
-            placeholder="Search buckets..."
-            value={searchQuery}
-            onChange={(e) => onSearchChange(e.target.value)}
-            className="pl-8"
-          />
-        </div>
-        <Button onClick={onCreateBucket} className="w-full sm:w-auto">
-          <Plus className="h-4 w-4" />
-          Create Bucket
-        </Button>
+      <div className="relative w-full max-w-xs">
+        <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
+        <Input
+          placeholder="Search buckets..."
+          value={searchQuery}
+          onChange={(e) => onSearchChange(e.target.value)}
+          className="pl-8"
+        />
       </div>
 
       {/* Buckets Table */}
@@ -99,14 +91,14 @@ export function BucketListView({
                   <TableCell className="font-medium max-w-[200px]">
                     <span className="truncate">{bucket.name}</span>
                     {bucket.websiteAccess && (
-                      <Badge variant="outline" className="text-xs ml-2">
+                      <Badge variant="neutral" className="text-xs ml-2">
                         <Globe className="h-3 w-3 mr-1" />
                         Website
                       </Badge>
                     )}
                   </TableCell>
                   <TableCell className="hidden sm:table-cell">
-                    <Badge variant="secondary">{bucket.region || 'default'}</Badge>
+                    <Badge variant="neutral">{bucket.region || 'default'}</Badge>
                   </TableCell>
                   <TableCell className="hidden md:table-cell">{bucket.objectCount?.toLocaleString() || 0}</TableCell>
                   <TableCell>{bucket.size ? formatBytes(bucket.size) : '0 B'}</TableCell>

frontend/src/components/buckets/BucketSettingsDialog.tsx

@@ -1,196 +0,0 @@
-import { useState, useEffect } from 'react';
-import { Button } from '@/components/ui/button';
-import { Checkbox } from '@/components/ui/checkbox';
-import { Select, SelectOption } from '@/components/ui/select';
-import {
-  Dialog,
-  DialogContent,
-  DialogDescription,
-  DialogFooter,
-  DialogHeader,
-  DialogTitle,
-} from '@/components/ui/dialog';
-import { useAccessKeys } from '@/hooks/useApi';
-import type { Bucket } from '@/types';
-import { toast } from 'sonner';
-
-interface BucketSettingsDialogProps {
-  open: boolean;
-  onOpenChange: (open: boolean) => void;
-  bucket: Bucket | null;
-  onGrantPermission: (bucketName: string, accessKeyId: string, permissions: { read: boolean; write: boolean; owner: boolean }) => Promise<boolean>;
-}
-
-export function BucketSettingsDialog({ open, onOpenChange, bucket, onGrantPermission }: BucketSettingsDialogProps) {
-  const { data: availableKeys = [] } = useAccessKeys();
-  const [selectedAccessKey, setSelectedAccessKey] = useState<string>('');
-  const [permissionRead, setPermissionRead] = useState(false);
-  const [permissionWrite, setPermissionWrite] = useState(false);
-  const [permissionOwner, setPermissionOwner] = useState(false);
-
-  useEffect(() => {
-    if (open && bucket) {
-      resetForm();
-    }
-  }, [open, bucket]);
-
-  const resetForm = () => {
-    setSelectedAccessKey('');
-    setPermissionRead(false);
-    setPermissionWrite(false);
-    setPermissionOwner(false);
-  };
-
-  const handleAccessKeyChange = (accessKeyId: string) => {
-    setSelectedAccessKey(accessKeyId);
-
-    if (!accessKeyId) {
-      setPermissionRead(false);
-      setPermissionWrite(false);
-      setPermissionOwner(false);
-      return;
-    }
-
-    const selectedKey = availableKeys.find(key => key.accessKeyId === accessKeyId);
-    if (selectedKey && bucket) {
-      const bucketPermission = selectedKey.permissions.find(
-        perm => perm.bucketName === bucket.name || perm.bucketId === bucket.name
-      );
-
-      if (bucketPermission) {
-        setPermissionRead(bucketPermission.read);
-        setPermissionWrite(bucketPermission.write);
-        setPermissionOwner(bucketPermission.owner);
-      } else {
-        setPermissionRead(false);
-        setPermissionWrite(false);
-        setPermissionOwner(false);
-      }
-    }
-  };
-
-  const handleGrantPermission = async () => {
-    if (!bucket || !selectedAccessKey) {
-      toast.error('Please select an access key');
-      return;
-    }
-
-    if (!permissionRead && !permissionWrite && !permissionOwner) {
-      toast.error('Please select at least one permission');
-      return;
-    }
-
-    const success = await onGrantPermission(bucket.name, selectedAccessKey, {
-      read: permissionRead,
-      write: permissionWrite,
-      owner: permissionOwner,
-    });
-
-    if (success) {
-      resetForm();
-      onOpenChange(false);
-    }
-  };
-
-  return (
-    <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent className="max-w-2xl">
-        <DialogHeader>
-          <DialogTitle>Bucket Settings - {bucket?.name}</DialogTitle>
-          <DialogDescription>
-            Grant access key permissions for this bucket
-          </DialogDescription>
-        </DialogHeader>
-        <div className="space-y-6 py-4">
-          <div className="space-y-2">
-            <label className="text-sm font-medium">Select Access Key</label>
-            <Select
-              value={selectedAccessKey}
-              onChange={(value) => handleAccessKeyChange(value)}
-            >
-              <SelectOption value="">-- Select an access key --</SelectOption>
-              {availableKeys.map((key) => (
-                <SelectOption key={key.accessKeyId} value={key.accessKeyId}>
-                  {key.name} ({key.accessKeyId})
-                </SelectOption>
-              ))}
-            </Select>
-            <p className="text-xs text-muted-foreground">
-              Choose which access key should have permissions on this bucket. Current permissions will be displayed when selected.
-            </p>
-          </div>
-
-          <div className="space-y-3">
-            <label className="text-sm font-medium">Permissions</label>
-            <div className="space-y-3 border rounded-lg p-4">
-              <div className="flex items-start space-x-3">
-                <Checkbox
-                  id="permission-read"
-                  checked={permissionRead}
-                  onCheckedChange={(checked) => setPermissionRead(checked as boolean)}
-                />
-                <div className="flex-1">
-                  <label
-                    htmlFor="permission-read"
-                    className="text-sm font-medium leading-none cursor-pointer"
-                  >
-                    Read
-                  </label>
-                  <p className="text-xs text-muted-foreground mt-1">
-                    Allows reading objects from the bucket (GetObject, HeadObject, ListObjects)
-                  </p>
-                </div>
-              </div>
-
-              <div className="flex items-start space-x-3">
-                <Checkbox
-                  id="permission-write"
-                  checked={permissionWrite}
-                  onCheckedChange={(checked) => setPermissionWrite(checked as boolean)}
-                />
-                <div className="flex-1">
-                  <label
-                    htmlFor="permission-write"
-                    className="text-sm font-medium leading-none cursor-pointer"
-                  >
-                    Write
-                  </label>
-                  <p className="text-xs text-muted-foreground mt-1">
-                    Allows writing and deleting objects in the bucket (PutObject, DeleteObject)
-                  </p>
-                </div>
-              </div>
-
-              <div className="flex items-start space-x-3">
-                <Checkbox
-                  id="permission-owner"
-                  checked={permissionOwner}
-                  onCheckedChange={(checked) => setPermissionOwner(checked as boolean)}
-                />
-                <div className="flex-1">
-                  <label
-                    htmlFor="permission-owner"
-                    className="text-sm font-medium leading-none cursor-pointer"
-                  >
-                    Owner
-                  </label>
-                  <p className="text-xs text-muted-foreground mt-1">
-                    Allows managing bucket settings and policies (DeleteBucket, PutBucketPolicy)
-                  </p>
-                </div>
-              </div>
-            </div>
-          </div>
-        </div>
-        <DialogFooter>
-          <Button variant="outline" onClick={() => onOpenChange(false)}>
-            Cancel
-          </Button>
-          <Button onClick={handleGrantPermission} disabled={!selectedAccessKey}>
-            Grant Permission
-          </Button>
-        </DialogFooter>
-      </DialogContent>
-    </Dialog>
-  );
-}

frontend/src/components/buckets/BucketWebsiteDialog.tsx

@@ -1,133 +0,0 @@
-import { useState, useEffect } from 'react';
-import { Button } from '@/components/ui/button';
-import { Input } from '@/components/ui/input';
-import {
-  Dialog,
-  DialogContent,
-  DialogDescription,
-  DialogFooter,
-  DialogHeader,
-  DialogTitle,
-} from '@/components/ui/dialog';
-import { Badge } from '@/components/ui/badge';
-import { Switch } from '@/components/ui/switch';
-import type { Bucket } from '@/types';
-
-interface BucketWebsiteDialogProps {
-  open: boolean;
-  onOpenChange: (open: boolean) => void;
-  bucket: Bucket | null;
-  onSave: (
-    bucketName: string,
-    payload: { enabled: boolean; indexDocument?: string; errorDocument?: string }
-  ) => Promise<boolean>;
-}
-
-export function BucketWebsiteDialog({
-  open,
-  onOpenChange,
-  bucket,
-  onSave,
-}: BucketWebsiteDialogProps) {
-  const [enabled, setEnabled] = useState(false);
-  const [indexDocument, setIndexDocument] = useState('index.html');
-  const [errorDocument, setErrorDocument] = useState('');
-  const [saving, setSaving] = useState(false);
-
-  useEffect(() => {
-    if (open && bucket) {
-      setEnabled(bucket.websiteAccess);
-      setIndexDocument(bucket.websiteConfig?.indexDocument ?? 'index.html');
-      setErrorDocument(bucket.websiteConfig?.errorDocument ?? '');
-    }
-  }, [open, bucket]);
-
-  const handleSave = async () => {
-    if (!bucket) return;
-    setSaving(true);
-    const success = await onSave(bucket.name, {
-      enabled,
-      indexDocument: enabled ? indexDocument : undefined,
-      errorDocument: enabled && errorDocument ? errorDocument : undefined,
-    });
-    setSaving(false);
-    if (success) onOpenChange(false);
-  };
-
-  return (
-    <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent className="max-w-lg">
-        <DialogHeader>
-          <DialogTitle>Website Hosting — {bucket?.name}</DialogTitle>
-          <DialogDescription>
-            Configure this bucket to serve a static website.
-          </DialogDescription>
-        </DialogHeader>
-
-        <div className="space-y-6 py-4">
-          <div className="flex items-center justify-between">
-            <div>
-              <p className="text-sm font-medium">Website access</p>
-              <p className="text-xs text-muted-foreground mt-0.5">
-                Allow public HTTP access to bucket objects
-              </p>
-            </div>
-            <div className="flex items-center gap-3">
-              <Badge variant={enabled ? 'default' : 'secondary'}>
-                {enabled ? 'Enabled' : 'Disabled'}
-              </Badge>
-              <Switch checked={enabled} onCheckedChange={setEnabled} />
-            </div>
-          </div>
-
-          {enabled && (
-            <div className="space-y-4">
-              <div className="space-y-2">
-                <label className="text-sm font-medium">
-                  Index document <span className="text-destructive">*</span>
-                </label>
-                <Input
-                  value={indexDocument}
-                  onChange={(e) => setIndexDocument(e.target.value)}
-                  placeholder="index.html"
-                />
-                <p className="text-xs text-muted-foreground">
-                  The file served when a directory is requested (e.g. index.html)
-                </p>
-              </div>
-
-              <div className="space-y-2">
-                <label className="text-sm font-medium">Error document</label>
-                <Input
-                  value={errorDocument}
-                  onChange={(e) => setErrorDocument(e.target.value)}
-                  placeholder="404.html (optional)"
-                />
-                <p className="text-xs text-muted-foreground">
-                  The file served when an object is not found (optional)
-                </p>
-              </div>
-            </div>
-          )}
-        </div>
-
-        <DialogFooter>
-          <Button variant="outline" onClick={() => onOpenChange(false)}>
-            Cancel
-          </Button>
-          <Button
-            onClick={handleSave}
-            variant={!enabled && bucket?.websiteAccess ? 'destructive' : 'default'}
-            disabled={saving || (enabled && !indexDocument)}
-          >
-            {saving
-              ? 'Saving...'
-              : !enabled && bucket?.websiteAccess
-              ? 'Disable Website'
-              : 'Save'}
-          </Button>
-        </DialogFooter>
-      </DialogContent>
-    </Dialog>
-  );
-}

frontend/src/components/buckets/CreateBucketDialog.tsx

@@ -1,14 +1,17 @@
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
+import { Database } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import {
   Dialog,
+  DialogBody,
   DialogContent,
   DialogDescription,
   DialogFooter,
   DialogHeader,
   DialogTitle,
 } from '@/components/ui/dialog';
+import { IconTile } from '@/components/ui/icon-tile';
 import { toast } from 'sonner';
 
 interface CreateBucketDialogProps {
@@ -20,6 +23,8 @@ interface CreateBucketDialogProps {
 export function CreateBucketDialog({ open, onOpenChange, onCreateBucket }: CreateBucketDialogProps) {
   const [bucketName, setBucketName] = useState('');
 
+  useEffect(() => { if (!open) setBucketName(''); }, [open]);
+
   const handleCreate = async () => {
     if (!bucketName) {
       toast.error('Please enter a bucket name');
@@ -37,15 +42,19 @@ export function CreateBucketDialog({ open, onOpenChange, onCreateBucket }: Creat
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogContent>
         <DialogHeader>
-          <DialogTitle>Create New Bucket</DialogTitle>
-          <DialogDescription>
-            Create a new storage bucket for your objects
-          </DialogDescription>
+          <IconTile icon={<Database />} tone="primary" size="md" />
+          <div className="flex-1">
+            <DialogTitle>Create New Bucket</DialogTitle>
+            <DialogDescription>
+              Create a new storage bucket for your objects
+            </DialogDescription>
+          </div>
         </DialogHeader>
-        <div className="space-y-4 py-4">
+        <DialogBody className="space-y-4">
           <div className="space-y-2">
             <label className="text-sm font-medium">Bucket Name</label>
             <Input
+              autoFocus
               placeholder="my-bucket-name"
               value={bucketName}
               onChange={(e) => setBucketName(e.target.value)}
@@ -59,13 +68,13 @@ export function CreateBucketDialog({ open, onOpenChange, onCreateBucket }: Creat
               Must be unique and follow DNS naming conventions
             </p>
           </div>
-        </div>
-        <DialogFooter className="space-y-2">
-          <Button variant="outline" onClick={() => onOpenChange(false)}>
+        </DialogBody>
+        <DialogFooter>
+          <Button variant="secondary" onClick={() => onOpenChange(false)}>
             Cancel
           </Button>
           <Button
-            variant={!bucketName ? 'default_disabled' : 'default'}
+            variant="primary"
             onClick={handleCreate}
             disabled={!bucketName}
           >

frontend/src/components/buckets/CreateDirectoryDialog.tsx

@@ -1,14 +1,17 @@
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
+import { FolderPlus } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import {
   Dialog,
+  DialogBody,
   DialogContent,
   DialogDescription,
   DialogFooter,
   DialogHeader,
   DialogTitle,
 } from '@/components/ui/dialog';
+import { IconTile } from '@/components/ui/icon-tile';
 import { toast } from 'sonner';
 
 interface CreateDirectoryDialogProps {
@@ -21,6 +24,8 @@ interface CreateDirectoryDialogProps {
 export function CreateDirectoryDialog({ open, onOpenChange, currentPath, onCreateDirectory }: CreateDirectoryDialogProps) {
   const [dirName, setDirName] = useState('');
 
+  useEffect(() => { if (!open) setDirName(''); }, [open]);
+
   const handleCreate = async () => {
     if (!dirName) {
       toast.error('Please enter a directory name');
@@ -38,15 +43,19 @@ export function CreateDirectoryDialog({ open, onOpenChange, currentPath, onCreat
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogContent>
         <DialogHeader>
-          <DialogTitle>Create Directory</DialogTitle>
-          <DialogDescription>
-            Create a new directory in {currentPath || 'the root'}
-          </DialogDescription>
+          <IconTile icon={<FolderPlus />} tone="primary" size="md" />
+          <div className="flex-1">
+            <DialogTitle>Create Directory</DialogTitle>
+            <DialogDescription>
+              Create a new directory in {currentPath || 'the root'}
+            </DialogDescription>
+          </div>
         </DialogHeader>
-        <div className="space-y-4 py-4">
+        <DialogBody className="space-y-4">
           <div className="space-y-2">
             <label className="text-sm font-medium">Directory Name</label>
             <Input
+              autoFocus
               placeholder="my-directory"
               value={dirName}
               onChange={(e) => setDirName(e.target.value)}
@@ -57,9 +66,9 @@ export function CreateDirectoryDialog({ open, onOpenChange, currentPath, onCreat
               }}
             />
           </div>
-        </div>
+        </DialogBody>
         <DialogFooter>
-          <Button variant="outline" onClick={() => onOpenChange(false)}>
+          <Button variant="secondary" onClick={() => onOpenChange(false)}>
             Cancel
           </Button>
           <Button onClick={handleCreate} disabled={!dirName}>

frontend/src/components/buckets/DeleteBucketDialog.tsx

@@ -1,49 +0,0 @@
-import { Button } from '@/components/ui/button';
-import {
-  Dialog,
-  DialogContent,
-  DialogDescription,
-  DialogFooter,
-  DialogHeader,
-  DialogTitle,
-} from '@/components/ui/dialog';
-import type { Bucket } from '@/types';
-
-interface DeleteBucketDialogProps {
-  open: boolean;
-  onOpenChange: (open: boolean) => void;
-  bucket: Bucket | null;
-  onDeleteBucket: (name: string) => Promise<boolean>;
-}
-
-export function DeleteBucketDialog({ open, onOpenChange, bucket, onDeleteBucket }: DeleteBucketDialogProps) {
-  const handleDelete = async () => {
-    if (!bucket) return;
-
-    const success = await onDeleteBucket(bucket.name);
-    if (success) {
-      onOpenChange(false);
-    }
-  };
-
-  return (
-    <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent>
-        <DialogHeader>
-          <DialogTitle>Delete Bucket</DialogTitle>
-          <DialogDescription>
-            Are you sure you want to delete "{bucket?.name}"? This action cannot be undone.
-          </DialogDescription>
-        </DialogHeader>
-        <DialogFooter>
-          <Button variant="outline" onClick={() => onOpenChange(false)}>
-            Cancel
-          </Button>
-          <Button variant="destructive" onClick={handleDelete}>
-            Delete
-          </Button>
-        </DialogFooter>
-      </DialogContent>
-    </Dialog>
-  );
-}

frontend/src/components/buckets/DeleteObjectDialog.tsx

@@ -1,3 +1,4 @@
+import { Trash2 } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import {
   Dialog,
@@ -7,6 +8,7 @@ import {
   DialogHeader,
   DialogTitle,
 } from '@/components/ui/dialog';
+import { IconTile } from '@/components/ui/icon-tile';
 import type { S3Object } from '@/types';
 
 interface DeleteObjectDialogProps {
@@ -27,16 +29,19 @@ export function DeleteObjectDialog({ open, onOpenChange, object, onDeleteObject
   };
 
   return (
-    <Dialog open={open} onOpenChange={onOpenChange}>
+    <Dialog open={open} onOpenChange={onOpenChange} size="destructive">
       <DialogContent>
         <DialogHeader>
-          <DialogTitle>Delete Object</DialogTitle>
-          <DialogDescription>
-            Are you sure you want to delete "{object?.key}"? This action cannot be undone.
-          </DialogDescription>
+          <IconTile icon={<Trash2 />} tone="destructive" size="md" />
+          <div className="flex-1">
+            <DialogTitle>Delete Object</DialogTitle>
+            <DialogDescription>
+              Are you sure you want to delete "{object?.key}"? This action cannot be undone.
+            </DialogDescription>
+          </div>
         </DialogHeader>
         <DialogFooter>
-          <Button variant="outline" onClick={() => onOpenChange(false)}>
+          <Button variant="secondary" onClick={() => onOpenChange(false)}>
             Cancel
           </Button>
           <Button variant="destructive" onClick={handleDelete}>

frontend/src/components/buckets/ObjectBrowserView.tsx

@@ -2,7 +2,6 @@ import {useState} from 'react';
 import {useDropzone} from 'react-dropzone';
 import {Button} from '@/components/ui/button';
 import {Input} from '@/components/ui/input';
-import {Header} from '@/components/layout/header';
 import {ObjectsTable} from './ObjectsTable';
 import {CreateDirectoryDialog} from './CreateDirectoryDialog';
 import {DeleteObjectDialog} from './DeleteObjectDialog';
@@ -170,10 +169,9 @@ export function ObjectBrowserView({
 
   return (
     <div>
-      <Header title={`Objects in ${bucketName}`} />
       <div className="p-4 sm:p-6 space-y-4 sm:space-y-6">
         {/* Back Button */}
-        <Button variant="outline" onClick={onBackToBuckets} className="text-sm sm:text-base">
+        <Button variant="secondary" onClick={onBackToBuckets} className="text-sm sm:text-base">
           <ArrowLeft className="h-4 w-4" />
           <span className="hidden sm:inline">Back to Buckets</span>
           <span className="sm:hidden">Back</span>
@@ -229,7 +227,7 @@ export function ObjectBrowserView({
               <FolderPlus className="h-4 w-4" />
               <span className="hidden sm:inline">Add Directory</span>
             </Button>
-            <Button variant="outline" size="icon" onClick={onRefresh} title="Refresh" disabled={isRefreshing}>
+            <Button variant="secondary" size="icon" onClick={onRefresh} title="Refresh" disabled={isRefreshing}>
               <RotateCwIcon className={`h-4 w-4 transition-transform duration-500 ${isRefreshing ? 'animate-spin' : ''}`} />
             </Button>
           </div>

frontend/src/components/buckets/ObjectDetailsView.tsx

@@ -1,21 +1,46 @@
 import { useEffect, useState } from 'react';
-import { useNavigate, useParams } from 'react-router-dom';
+import { useNavigate, useParams, Link } from 'react-router-dom';
 import { objectsApi } from '@/lib/api';
 import type { ObjectMetadata } from '@/types';
-import { Header } from '@/components/layout/header';
 import { Button } from '@/components/ui/button';
-import { ArrowLeft, Download, Trash, Copy, File } from 'lucide-react';
+import { Badge } from '@/components/ui/badge';
+import { IconTile } from '@/components/ui/icon-tile';
+import { ConfirmDialog } from '@/components/ui/confirm-dialog';
+import { ArrowLeft, ChevronRight, Copy, Download, File, Loader2, Trash2 } from 'lucide-react';
 import { toast } from 'sonner';
-import { formatBytes } from '@/lib/file-utils';
+import { downloadObject, formatBytes } from '@/lib/file-utils';
+import { formatDate } from '@/lib/utils';
+
+function CardSection({ title, children }: { title: string; children: React.ReactNode }) {
+  return (
+    <section className="overflow-hidden rounded-xl border border-[var(--border)] bg-[var(--card)]">
+      <div className="border-b border-[var(--border)] px-5 py-3.5">
+        <h3 className="text-[14px] font-semibold tracking-[-0.01em]">{title}</h3>
+      </div>
+      {children}
+    </section>
+  );
+}
+
+function DetailRow({ label, children }: { label: string; children: React.ReactNode }) {
+  return (
+    <div className="grid grid-cols-1 gap-1 px-5 py-3.5 sm:grid-cols-[200px_1fr] sm:gap-4">
+      <dt className="text-[12.5px] font-medium text-[var(--muted-foreground)]">{label}</dt>
+      <dd className="text-[13.5px] text-[var(--foreground)] break-words">{children}</dd>
+    </div>
+  );
+}
 
 export function ObjectDetailsView() {
   const navigate = useNavigate();
   const { bucketName, '*': encodedObjectKey } = useParams();
-  // Decode the object key from the URL
   const objectKey = encodedObjectKey ? decodeURIComponent(encodedObjectKey) : undefined;
+
   const [metadata, setMetadata] = useState<ObjectMetadata | null>(null);
   const [isLoading, setIsLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
+  const [deleteOpen, setDeleteOpen] = useState(false);
+  const [deleting, setDeleting] = useState(false);
 
   useEffect(() => {
     if (!bucketName || !objectKey) {
@@ -23,7 +48,6 @@ export function ObjectDetailsView() {
       setIsLoading(false);
       return;
     }
-
     const fetchMetadata = async () => {
       try {
         setIsLoading(true);
@@ -32,240 +56,171 @@ export function ObjectDetailsView() {
         setMetadata(data);
       } catch (err) {
         setError(err instanceof Error ? err.message : 'Failed to load object metadata');
-        console.error('Failed to fetch object metadata:', err);
       } finally {
         setIsLoading(false);
       }
     };
-
     fetchMetadata();
   }, [bucketName, objectKey]);
 
-  const handleDownload = async () => {
-    if (!bucketName || !objectKey) return;
+  const parentPath = objectKey?.split('/').slice(0, -1).join('/') ?? '';
+  const fileName = objectKey?.split('/').pop() || objectKey || '';
+  const backHref = `/buckets/${bucketName}/objects${parentPath ? `?prefix=${encodeURIComponent(parentPath + '/')}` : ''}`;
+  const pathSegments = parentPath ? parentPath.split('/').filter(Boolean) : [];
 
-    try {
-      const blob = await objectsApi.get(bucketName, objectKey);
-      const url = window.URL.createObjectURL(blob);
-      const a = document.createElement('a');
-      a.href = url;
-      a.download = objectKey.split('/').pop() || 'download';
-      document.body.appendChild(a);
-      a.click();
-      window.URL.revokeObjectURL(url);
-      document.body.removeChild(a);
-      toast.success('Download started');
-    } catch (err) {
-      console.error('Download failed:', err);
-    }
+  const copy = (text: string, label = 'Copied') => {
+    navigator.clipboard.writeText(text);
+    toast.success(label);
+  };
+
+  const handleDownload = () => {
+    if (!bucketName || !objectKey) return;
+    downloadObject(bucketName, objectKey);
   };
 
   const handleDelete = async () => {
     if (!bucketName || !objectKey) return;
-
-    if (!confirm(`Are you sure you want to delete "${objectKey}"?`)) {
-      return;
-    }
-
     try {
+      setDeleting(true);
       await objectsApi.delete(bucketName, objectKey);
-      toast.success('Object deleted successfully');
-      handleBackNavigation();
-    } catch (err) {
-      console.error('Delete failed:', err);
+      toast.success('Object deleted');
+      navigate(backHref);
+    } catch {
+      // error toast handled by axios interceptor
+    } finally {
+      setDeleting(false);
+      setDeleteOpen(false);
     }
   };
 
-  const handleBackNavigation = () => {
-    if (!bucketName) return;
-
-    // Navigate back to the bucket explorer with the appropriate prefix
-    // Extract the folder path from the object key (everything before the last /)
-    const folderPath = objectKey?.split('/').slice(0, -1).join('/') || '';
-    const prefix = folderPath ? `${folderPath}/` : '';
-
-    // Navigate to the bucket view with the correct prefix
-    navigate(`/buckets?bucket=${encodeURIComponent(bucketName)}${prefix ? `&prefix=${encodeURIComponent(prefix)}` : ''}`);
-  };
-
-  const copyToClipboard = (text: string) => {
-    navigator.clipboard.writeText(text);
-    toast.success('Copied to clipboard');
-  };
-
-  const formatDate = (dateString: string) => {
-    const date = new Date(dateString);
-    return date.toLocaleString('en-US', {
-      year: 'numeric',
-      month: 'short',
-      day: 'numeric',
-      hour: '2-digit',
-      minute: '2-digit',
-      second: '2-digit',
-      timeZoneName: 'short',
-    });
-  };
-
   if (isLoading) {
     return (
-      <div>
-        <Header title="Object Details" />
-        <div className="p-4 sm:p-6">
-          <div className="flex items-center justify-center h-64">
-            <div className="text-muted-foreground">Loading object details...</div>
-          </div>
-        </div>
+      <div className="flex h-64 items-center justify-center gap-2 text-[var(--muted-foreground)]">
+        <Loader2 className="h-4 w-4 animate-spin" /> Loading object details…
       </div>
     );
   }
 
   if (error || !metadata) {
     return (
-      <div>
-        <Header title="Object Details" />
-        <div className="p-4 sm:p-6">
-          <Button variant="outline" onClick={handleBackNavigation} className="mb-4">
-            <ArrowLeft className="h-4 w-4" />
-            Back
-          </Button>
-          <div className="flex items-center justify-center h-64">
-            <div className="text-red-500">{error || 'Object not found'}</div>
-          </div>
+      <div className="px-7 py-6">
+        <Button variant="secondary" onClick={() => navigate(backHref)} className="mb-4">
+          <ArrowLeft className="h-4 w-4" /> Back
+        </Button>
+        <div className="rounded-xl border border-[var(--danger-border)] bg-[var(--danger-soft)] px-5 py-4 text-[13.5px] text-[var(--destructive)]">
+          {error || 'Object not found'}
         </div>
       </div>
     );
   }
 
-  const fileName = objectKey?.split('/').pop() || objectKey || '';
-  const pathParts = objectKey?.split('/').filter(part => part) || [];
-  const parentPath = pathParts.slice(0, -1).join('/');
-
   return (
-    <div>
-      <Header title={fileName} />
-      <div className="p-4 sm:p-6 space-y-6">
-        {/* Back Button and Actions */}
-        <div className="flex items-center justify-between">
-          <Button variant="outline" onClick={handleBackNavigation}>
-            <ArrowLeft className="h-4 w-4" />
-            Back
-          </Button>
-          <div className="flex items-center gap-2">
-            <Button variant="outline" onClick={handleDownload}>
-              <Download className="h-4 w-4" />
-              Download
-            </Button>
-            <Button
-              variant="outline"
-              className="border-red-500 text-red-500 hover:bg-red-500/5"
-              onClick={handleDelete}
-            >
-              <Trash className="h-4 w-4" />
-              Delete
-            </Button>
-          </div>
-        </div>
-
-        {/* File Name Header */}
-        <div className="flex items-start gap-3 p-4 border-b border-border bg-card rounded-t-lg">
-          <div className="mt-1">
-            <File className="h-5 w-5 text-muted-foreground" />
-          </div>
-          <div className="flex-1 min-w-0">
-            <div className="flex items-center gap-4 flex-wrap">
-              <h2 className="text-lg font-medium text-foreground break-all">
-                {parentPath && (
-                  <span className="text-muted-foreground font-mono">/{parentPath}/</span>
-                )}
-                {fileName}
-              </h2>
-              <button
-                onClick={() => copyToClipboard(metadata.key)}
-                className="text-sm text-muted-foreground hover:text-foreground flex items-center gap-1 shrink-0"
-              >
-                <Copy className="h-3 w-3" />
-                Copy
-              </button>
-            </div>
-          </div>
-        </div>
-
-        {/* Object Details Section */}
-        <div className="border border-border rounded-lg bg-card">
-          <div className="p-6 border-b border-border">
-            <h3 className="text-base font-semibold text-foreground">Object Details</h3>
-          </div>
-          <div className="divide-y divide-border">
-            <div className="grid grid-cols-1 sm:grid-cols-3 gap-4 p-6">
-              <div className="text-sm font-medium text-muted-foreground">Date Created</div>
-              <div className="sm:col-span-2 text-sm text-foreground">
-                {formatDate(metadata.lastModified)}
-              </div>
-            </div>
-            <div className="grid grid-cols-1 sm:grid-cols-3 gap-4 p-6">
-              <div className="text-sm font-medium text-muted-foreground">Type</div>
-              <div className="sm:col-span-2 text-sm text-foreground">
-                {metadata.contentType || 'application/octet-stream'}
-              </div>
-            </div>
-            <div className="grid grid-cols-1 sm:grid-cols-3 gap-4 p-6">
-              <div className="text-sm font-medium text-muted-foreground">Storage Class</div>
-              <div className="sm:col-span-2 text-sm text-foreground">
-                {metadata.storageClass || 'Standard'}
-              </div>
-            </div>
-            <div className="grid grid-cols-1 sm:grid-cols-3 gap-4 p-6">
-              <div className="text-sm font-medium text-muted-foreground">Size</div>
-              <div className="sm:col-span-2 text-sm text-foreground">
-                {formatBytes(metadata.size)}
-              </div>
-            </div>
-          </div>
-        </div>
-
-        {/* Custom Metadata Section */}
-        {metadata.metadata && Object.keys(metadata.metadata).length > 0 && (
-          <div className="border border-border rounded-lg bg-card">
-            <div className="p-6 border-b border-border">
-              <h3 className="text-base font-semibold text-foreground">Custom Metadata</h3>
-            </div>
-            <div className="overflow-x-auto">
-              <table className="w-full">
-                <thead className="bg-muted/30">
-                  <tr className="border-b border-border">
-                    <th className="px-6 py-3 text-left text-sm font-medium text-muted-foreground">
-                      Key
-                    </th>
-                    <th className="px-6 py-3 text-left text-sm font-medium text-muted-foreground">
-                      Value
-                    </th>
-                  </tr>
-                </thead>
-                <tbody className="divide-y divide-border">
-                  {Object.entries(metadata.metadata).map(([key, value]) => (
-                    <tr key={key} className="hover:bg-muted/30">
-                      <td className="px-6 py-4 text-sm font-medium text-foreground break-all">
-                        {key}
-                      </td>
-                      <td className="px-6 py-4 text-sm text-foreground break-all">{value}</td>
-                    </tr>
-                  ))}
-                </tbody>
-              </table>
-            </div>
-          </div>
-        )}
-
-        {/* Object Preview Section */}
-        <div className="border border-border rounded-lg bg-card">
-          <div className="p-6 border-b border-border">
-            <h3 className="text-base font-semibold text-foreground">Object Preview</h3>
-          </div>
-          <div className="p-6">
-            <p className="text-sm text-muted-foreground">No preview available</p>
-          </div>
-        </div>
+    <div className="px-7 py-6 space-y-6">
+      {/* Back + breadcrumb */}
+      <div className="flex items-center gap-2 text-[13px] text-[var(--muted-foreground)]">
+        <Link
+          to={backHref}
+          className="inline-flex items-center gap-1.5 rounded-md px-2 py-1 hover:bg-[var(--accent)] hover:text-[var(--foreground)]"
+        >
+          <ArrowLeft className="h-3.5 w-3.5" />
+          Objects
+        </Link>
+        {pathSegments.map((seg, i) => (
+          <span key={i} className="inline-flex items-center gap-1">
+            <ChevronRight className="h-3.5 w-3.5 opacity-50" />
+            <span className="font-mono">{seg}</span>
+          </span>
+        ))}
+        <ChevronRight className="h-3.5 w-3.5 opacity-50" />
+        <span className="truncate font-mono text-[var(--foreground)]">{fileName}</span>
       </div>
+
+      {/* Hero */}
+      <section className="flex flex-col gap-4 sm:flex-row sm:items-start sm:justify-between">
+        <div className="flex min-w-0 items-start gap-3">
+          <IconTile icon={<File />} tone="primary" size="lg" />
+          <div className="min-w-0">
+            <h1 className="truncate text-[22px] font-semibold tracking-[-0.02em]">{fileName}</h1>
+            <button
+              type="button"
+              onClick={() => copy(metadata.key, 'Object key copied')}
+              title="Copy key"
+              className="group mt-1 inline-flex max-w-full items-center gap-1.5 truncate font-mono text-[13px] text-[var(--muted-foreground)] hover:text-[var(--foreground)]"
+            >
+              <span className="truncate">{metadata.key}</span>
+              <Copy className="h-3 w-3 flex-shrink-0 opacity-60 group-hover:opacity-100" />
+            </button>
+            <div className="mt-2 flex flex-wrap gap-1.5">
+              <Badge>{formatBytes(metadata.size)}</Badge>
+              <Badge>{metadata.contentType || 'application/octet-stream'}</Badge>
+              {metadata.storageClass && <Badge>{metadata.storageClass}</Badge>}
+            </div>
+          </div>
+        </div>
+        <div className="flex shrink-0 items-center gap-2">
+          <Button variant="secondary" onClick={handleDownload}>
+            <Download className="h-4 w-4" /> Download
+          </Button>
+          <Button variant="destructive" onClick={() => setDeleteOpen(true)}>
+            <Trash2 className="h-4 w-4" /> Delete
+          </Button>
+        </div>
+      </section>
+
+      {/* Details */}
+      <CardSection title="Details">
+        <dl className="divide-y divide-[var(--border)]">
+          <DetailRow label="Size">{formatBytes(metadata.size)}</DetailRow>
+          <DetailRow label="Content type">{metadata.contentType || 'application/octet-stream'}</DetailRow>
+          <DetailRow label="Storage class">{metadata.storageClass || 'Standard'}</DetailRow>
+          <DetailRow label="Last modified">{formatDate(metadata.lastModified)}</DetailRow>
+          <DetailRow label="ETag">
+            <button
+              type="button"
+              onClick={() => copy(metadata.etag, 'ETag copied')}
+              className="inline-flex max-w-full items-center gap-1.5 truncate rounded-md bg-[var(--surface-sunken)] px-2 py-0.5 font-mono text-[12.5px] hover:bg-[var(--accent)]"
+            >
+              <span className="truncate">{metadata.etag}</span>
+              <Copy className="h-3 w-3 flex-shrink-0 opacity-60" />
+            </button>
+          </DetailRow>
+          {metadata.versionId && (
+            <DetailRow label="Version ID">
+              <span className="font-mono text-[12.5px]">{metadata.versionId}</span>
+            </DetailRow>
+          )}
+        </dl>
+      </CardSection>
+
+      {/* Custom metadata */}
+      {metadata.metadata && Object.keys(metadata.metadata).length > 0 && (
+        <CardSection title="Custom metadata">
+          <dl className="divide-y divide-[var(--border)]">
+            {Object.entries(metadata.metadata).map(([key, value]) => (
+              <DetailRow key={key} label={key}>
+                <span className="font-mono text-[12.5px]">{value}</span>
+              </DetailRow>
+            ))}
+          </dl>
+        </CardSection>
+      )}
+
+      {/* Preview */}
+      <CardSection title="Preview">
+        <div className="px-5 py-10 text-center text-[13px] text-[var(--muted-foreground)]">
+          No preview available for this object.
+        </div>
+      </CardSection>
+
+      <ConfirmDialog
+        open={deleteOpen}
+        onOpenChange={setDeleteOpen}
+        title={`Delete "${fileName}"?`}
+        description="Applications referencing this object will no longer be able to read it."
+        confirmLabel="Delete object"
+        loading={deleting}
+        onConfirm={handleDelete}
+      />
     </div>
   );
 }

frontend/src/components/buckets/ObjectsTable.tsx

@@ -14,7 +14,7 @@ import {
 } from '@/components/ui/dropdown-menu';
 import {ChevronLeft, ChevronRight, Download, Eye, FileIcon, FolderIcon, Loader2, MoreVertical, Trash2} from 'lucide-react';
 import {Select, SelectOption} from '@/components/ui/select';
-import {formatBytes, formatRelativeTime} from '@/lib/file-utils';
+import {downloadObject, formatBytes, formatRelativeTime} from '@/lib/file-utils';
 import type {S3Object} from '@/types';
 
 interface ObjectsTableProps {
@@ -282,7 +282,7 @@ export function ObjectsTable({
               </TableCell>
               <TableCell className="hidden md:table-cell">
                 {obj.storageClass && (
-                  <Badge variant="secondary">{obj.storageClass}</Badge>
+                  <Badge variant="neutral">{obj.storageClass}</Badge>
                 )}
               </TableCell>
               <TableCell>{obj.isFolder ? null : formatBytes(obj.size)}</TableCell>
@@ -353,7 +353,7 @@ export function ObjectsTable({
                         <Eye className="h-4 w-4" />
                         View Details
                       </DropdownMenuItem>
-                      <DropdownMenuItem>
+                      <DropdownMenuItem onClick={() => downloadObject(bucketName, obj.key)}>
                         <Download className="h-4 w-4" />
                         Download
                       </DropdownMenuItem>
@@ -400,7 +400,7 @@ export function ObjectsTable({
 
           <div className="flex items-center gap-2">
             <Button
-              variant={hasPrevious ? "default": "default_disabled"}
+              variant="primary"
               size="sm"
               onClick={handlePreviousPage}
               disabled={!hasPrevious}
@@ -411,7 +411,7 @@ export function ObjectsTable({
             </Button>
 
             <Button
-                variant={hasNext ? "default": "default_disabled"}
+              variant="primary"
               size="sm"
               onClick={handleNextPage}
               disabled={!hasNext}

frontend/src/components/buckets/index.ts

@@ -2,7 +2,5 @@ export { BucketListView } from './BucketListView';
 export { ObjectBrowserView } from './ObjectBrowserView';
 export { ObjectsTable } from './ObjectsTable';
 export { CreateBucketDialog } from './CreateBucketDialog';
-export { DeleteBucketDialog } from './DeleteBucketDialog';
-export { BucketSettingsDialog } from './BucketSettingsDialog';
 export { CreateDirectoryDialog } from './CreateDirectoryDialog';
 export { DeleteObjectDialog } from './DeleteObjectDialog';

frontend/src/components/layout/bucket-detail-shell.tsx

@@ -0,0 +1,105 @@
+import { NavLink, Outlet, useParams } from 'react-router-dom';
+import { Database, Copy, Upload } from 'lucide-react';
+import { IconTile } from '@/components/ui/icon-tile';
+import { Button } from '@/components/ui/button';
+import { Badge } from '@/components/ui/badge';
+import { cn } from '@/lib/utils';
+import { useBuckets } from '@/hooks/useApi';
+import { toast } from 'sonner';
+
+interface TabSpec {
+  to: string;
+  label: string;
+  end?: boolean;
+}
+
+const tabs: TabSpec[] = [
+  { to: 'objects', label: 'Objects' },
+  { to: 'permissions', label: 'Permissions' },
+  { to: 'website', label: 'Website' },
+  { to: 'settings', label: 'Settings' },
+];
+
+function formatBytes(n?: number) {
+  if (n == null) return '';
+  if (n < 1024) return `${n} B`;
+  const units = ['KB', 'MB', 'GB', 'TB'];
+  let v = n / 1024;
+  for (const u of units) {
+    if (v < 1024) return `${v.toFixed(v >= 10 ? 0 : 1)} ${u}`;
+    v /= 1024;
+  }
+  return `${v.toFixed(0)} PB`;
+}
+
+export function BucketDetailShell() {
+  const { bucketName = '' } = useParams<{ bucketName: string }>();
+  const { data: buckets = [] } = useBuckets();
+  const bucket = buckets.find((b) => b.name === bucketName);
+
+  const s3Url = `s3://${bucketName}`;
+  const copyUrl = async () => {
+    try {
+      await navigator.clipboard.writeText(s3Url);
+      toast.success('URL copied');
+    } catch {
+      toast.error('Failed to copy');
+    }
+  };
+
+  return (
+    <div className="flex flex-col">
+      {/* Hero */}
+      <section className="px-7 pt-6 pb-5">
+        <div className="flex flex-col gap-4 sm:flex-row sm:items-start sm:justify-between">
+          <div className="flex min-w-0 items-start gap-3">
+            <IconTile icon={<Database />} tone="primary" size="lg" />
+            <div className="min-w-0">
+              <h1 className="truncate text-[26px] font-semibold tracking-[-0.02em]">{bucketName}</h1>
+              <p className="mt-1 truncate font-mono text-[13.5px] text-[var(--muted-foreground)]">{s3Url}</p>
+              <div className="mt-2 flex flex-wrap gap-1.5">
+                <Badge variant="success">Active</Badge>
+                {bucket?.objectCount != null && <Badge>{bucket.objectCount.toLocaleString()} objects</Badge>}
+                {bucket?.size != null && <Badge>{formatBytes(bucket.size)}</Badge>}
+              </div>
+            </div>
+          </div>
+          <div className="flex shrink-0 items-center gap-2">
+            <Button variant="secondary" onClick={copyUrl}>
+              <Copy /> Copy URL
+            </Button>
+            <Button variant="primary" onClick={() => document.dispatchEvent(new CustomEvent('bucket:upload'))}>
+              <Upload /> Upload
+            </Button>
+          </div>
+        </div>
+      </section>
+
+      {/* Tabs */}
+      <nav className="flex h-12 items-center gap-0 border-b border-[var(--border)] px-7">
+        {tabs.map((t) => (
+          <NavLink
+            key={t.to}
+            to={t.to}
+            end={t.end}
+            className={({ isActive }) =>
+              cn(
+                'relative -mb-px inline-flex h-12 items-center px-3.5 text-[14px] font-medium transition-colors',
+                'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[var(--ring)] rounded-sm',
+                isActive
+                  ? 'text-[var(--primary)] border-b-2 border-[var(--primary)]'
+                  : 'text-[var(--muted-foreground)] border-b-2 border-transparent hover:text-[var(--foreground)]',
+              )
+            }
+          >
+            {t.label}
+          </NavLink>
+        ))}
+      </nav>
+
+      <div className="min-w-0">
+        <Outlet />
+      </div>
+    </div>
+  );
+}

frontend/src/components/layout/layout.tsx

@@ -1,36 +1,67 @@
-import { Outlet } from 'react-router-dom';
+import { Outlet, useLocation, useParams } from 'react-router-dom';
 import { Sidebar } from './sidebar';
-import { useState } from 'react';
+import { TopBar } from './top-bar';
+import { useState, useMemo } from 'react';
 import { Menu } from 'lucide-react';
 import { Button } from '@/components/ui/button';
+import type { BreadcrumbItem } from '@/components/ui/breadcrumb';
+
+function useCrumbs(): BreadcrumbItem[] {
+  const location = useLocation();
+  const params = useParams();
+  return useMemo(() => {
+    const path = location.pathname;
+    if (path === '/') return [{ label: 'Dashboard' }];
+    if (path === '/cluster') return [{ label: 'Cluster' }];
+    if (path === '/access') return [{ label: 'Access Control' }];
+    if (path === '/buckets') return [{ label: 'Buckets' }];
+    if (path.startsWith('/buckets/')) {
+      const bucketName = (params as { bucketName?: string }).bucketName ?? path.split('/')[2];
+      const crumbs: BreadcrumbItem[] = [
+        { label: 'Buckets', to: '/buckets' },
+        { label: bucketName, to: `/buckets/${bucketName}/objects` },
+      ];
+      const segs = path.split('/').slice(3); // after /buckets/:name
+      if (segs[0] && segs[0] !== 'objects') {
+        const tabLabel = segs[0][0].toUpperCase() + segs[0].slice(1);
+        crumbs.push({ label: tabLabel });
+      }
+      return crumbs;
+    }
+    return [];
+  }, [location.pathname, params]);
+}
 
 export function Layout() {
   const [sidebarOpen, setSidebarOpen] = useState(false);
+  const crumbs = useCrumbs();
 
   return (
-    <div className="flex h-screen overflow-hidden">
-      {/* Mobile menu button */}
+    <div className="flex h-screen overflow-hidden bg-[var(--background)]">
       <Button
         variant="ghost"
         size="icon"
-        className="fixed top-4 left-4 z-50 md:hidden"
+        className="fixed left-3 top-3 z-50 md:hidden"
         onClick={() => setSidebarOpen(!sidebarOpen)}
+        aria-label="Toggle navigation"
       >
-        <Menu className="h-6 w-6" />
+        <Menu className="h-5 w-5" />
       </Button>
 
-      {/* Mobile overlay */}
       {sidebarOpen && (
         <div
-          className="fixed inset-0 bg-black/50 z-40 md:hidden"
+          className="fixed inset-0 z-40 bg-black/50 md:hidden"
           onClick={() => setSidebarOpen(false)}
         />
       )}
 
       <Sidebar isOpen={sidebarOpen} onClose={() => setSidebarOpen(false)} />
-      <main className="flex-1 overflow-y-auto">
-        <Outlet />
-      </main>
+      <div className="flex min-w-0 flex-1 flex-col">
+        <TopBar crumbs={crumbs} />
+        <main className="flex-1 overflow-y-auto scrollbar-thin">
+          <Outlet />
+        </main>
+      </div>
     </div>
   );
 }

frontend/src/components/layout/sidebar.tsx

@@ -1,8 +1,7 @@
-import {Link, useLocation} from 'react-router-dom';
-import {cn} from '@/lib/utils';
-import {Database, Key, LayoutDashboard, LogOut, Server, User} from 'lucide-react';
-import {useAuthStore} from '@/store/auth-store';
-import {Button} from '@/components/ui/button';
+import { Link, useLocation } from 'react-router-dom';
+import { cn } from '@/lib/utils';
+import { BookOpen, Database, Key, LayoutDashboard, Server } from 'lucide-react';
+import { useAuthStore } from '@/store/auth-store';
 import { useQuery } from '@tanstack/react-query';
 import { healthApi, garageApi } from '@/lib/api';
 
@@ -12,26 +11,25 @@ interface NavItem {
   icon: React.ComponentType<{ className?: string }>;
 }
 
-const navItems: NavItem[] = [
+interface NavGroup {
+  label?: string;
+  items: NavItem[];
+}
+
+const navGroups: NavGroup[] = [
   {
-    title: 'Dashboard',
-    href: '/',
-    icon: LayoutDashboard,
+    items: [{ title: 'Dashboard', href: '/', icon: LayoutDashboard }],
   },
   {
-    title: 'Buckets',
-    href: '/buckets',
-    icon: Database,
+    label: 'Storage',
+    items: [{ title: 'Buckets', href: '/buckets', icon: Database }],
   },
   {
-    title: 'Cluster',
-    href: '/cluster',
-    icon: Server,
-  },
-  {
-    title: 'Access Control',
-    href: '/access',
-    icon: Key,
+    label: 'Cluster',
+    items: [
+      { title: 'Cluster', href: '/cluster', icon: Server },
+      { title: 'Access Control', href: '/access', icon: Key },
+    ],
   },
 ];
 
@@ -42,11 +40,7 @@ interface SidebarProps {
 
 export function Sidebar({ isOpen, onClose }: SidebarProps) {
   const location = useLocation();
-  const { user, config, logout } = useAuthStore();
-
-  const handleLogout = () => {
-    logout();
-  };
+  const { config } = useAuthStore();
 
   const { data: uiVersion } = useQuery({
     queryKey: ['ui-version'],
@@ -60,80 +54,80 @@ export function Sidebar({ isOpen, onClose }: SidebarProps) {
     queryFn: () => garageApi.getNodeInfo('self'),
     staleTime: 5 * 60 * 1000,
     retry: false,
+    enabled: !!(config && (config.admin.enabled || config.oidc.enabled)),
   });
 
-  const garageVersion = nodeInfo
-    ? Object.values(nodeInfo.success)[0]?.garageVersion
-    : undefined;
+  const garageVersion = nodeInfo ? Object.values(nodeInfo.success)[0]?.garageVersion : undefined;
+
+  const isActive = (href: string) =>
+    href === '/'
+      ? location.pathname === '/'
+      : location.pathname === href || location.pathname.startsWith(href + '/');
 
   return (
-    <div
+    <aside
       className={cn(
-        'flex h-full w-64 flex-col border-r transition-transform duration-300 ease-in-out md:translate-x-0',
+        'flex h-full w-64 flex-col border-r border-[var(--border)] bg-[var(--background)] transition-transform duration-300 ease-in-out md:translate-x-0',
         'fixed md:static z-50',
-        isOpen ? 'translate-x-0' : '-translate-x-full'
+        isOpen ? 'translate-x-0' : '-translate-x-full',
       )}
-      style={{ backgroundColor: 'var(--background)' }}
     >
-      <div className="flex h-16 items-center border-b px-6">
-        <img src="/garage.png" alt="Garage UI Logo" className="h-8 w-8 mr-2" />
-        <span className="text-lg font-semibold">Garage UI</span>
+      <div className="flex h-16 items-center gap-2 border-b border-[var(--border)] px-4">
+        <img src="/garage.png" alt="" className="h-8 w-8" />
+        <span className="text-[18px] font-semibold tracking-tight">Garage UI</span>
       </div>
-      <nav className="flex-1 space-y-1 p-4">
-        {navItems.map((item) => {
-          const Icon = item.icon;
-          const isActive = location.pathname === item.href;
-
-          return (
-            <Link
-              key={item.href}
-              to={item.href}
-              onClick={onClose}
-              className={cn(
-                'flex items-center gap-3 rounded-lg px-3 py-2 text-sm font-medium transition-colors',
-                isActive
-                  ? 'bg-primary shadow-sm'
-                  : 'text-muted-foreground hover:bg-accent hover:text-accent-foreground'
-              )}
-              style={isActive ? { backgroundColor: 'var(--primary)', color: '#000000' } : undefined}
-            >
-              <Icon className="h-5 w-5" />
-              {item.title}
-            </Link>
-          );
-        })}
-      </nav>
-      {config && (config.admin.enabled || config.oidc.enabled) && user && (
-        <div className="border-t p-4 space-y-2">
-          <div className="flex items-center gap-3 rounded-lg bg-muted px-3 py-2">
-            <div className="flex h-8 w-8 items-center justify-center rounded-full bg-primary text-primary-foreground text-xs font-semibold">
-              <User className="h-4 w-4" />
-            </div>
-            <div className="flex-1 overflow-hidden">
-              <p className="text-sm font-medium truncate">{user.name || user.username}</p>
-              {user.email && (
-                <p className="text-xs text-muted-foreground truncate">{user.email}</p>
-              )}
-            </div>
+      <nav className="flex-1 overflow-y-auto px-3 py-4 space-y-5 scrollbar-thin">
+        {navGroups.map((group, gi) => (
+          <div key={gi}>
+            {group.label && (
+              <div className="px-2 pb-1.5 text-[11px] font-medium uppercase tracking-[0.08em] text-[var(--muted-foreground)]">
+                {group.label}
+              </div>
+            )}
+            <ul className="space-y-0.5">
+              {group.items.map((item) => {
+                const Icon = item.icon;
+                const active = isActive(item.href);
+                return (
+                  <li key={item.href}>
+                    <Link
+                      to={item.href}
+                      onClick={onClose}
+                      className={cn(
+                        'flex h-9 items-center gap-2 rounded-md px-2.5 text-[14px] transition-colors',
+                        active
+                          ? 'bg-[var(--primary)] font-medium text-[var(--primary-foreground)]'
+                          : 'text-[var(--muted-foreground)] hover:bg-[var(--accent)] hover:text-[var(--foreground)]',
+                      )}
+                    >
+                      <Icon className="h-4 w-4" />
+                      {item.title}
+                    </Link>
+                  </li>
+                );
+              })}
+            </ul>
           </div>
-          <Button
-            variant="outline"
-            size="sm"
-            className="w-full justify-start"
-            onClick={handleLogout}
-          >
-            <LogOut className="mr-2 h-4 w-4" />
-            Logout
-          </Button>
-        </div>
-      )}
-      {(uiVersion || garageVersion) && (
-        <div className="px-4 pb-3 text-xs text-muted-foreground text-center">
-          {uiVersion && `UI ${uiVersion}`}
-          {uiVersion && garageVersion && ' | '}
-          {garageVersion && `Garage ${garageVersion}`}
-        </div>
-      )}
-    </div>
+        ))}
+      </nav>
+      <div className="px-3 py-3 flex flex-col items-center gap-1.5">
+        <a
+          href="https://garagehq.deuxfleurs.fr/documentation/"
+          target="_blank"
+          rel="noopener noreferrer"
+          className="inline-flex items-center gap-1.5 rounded-md px-2 py-1 text-[12.5px] text-[var(--muted-foreground)] transition-colors hover:bg-[var(--accent)] hover:text-[var(--foreground)]"
+        >
+          <BookOpen className="h-3.5 w-3.5" />
+          Documentation
+        </a>
+        {(uiVersion || garageVersion) && (
+          <div className="flex items-center gap-1.5 border-t border-[var(--border)] pt-2 w-full justify-center text-[12px] text-[var(--muted-foreground)]">
+            {uiVersion && <span>UI {uiVersion}</span>}
+            {uiVersion && garageVersion && <span className="opacity-40">•</span>}
+            {garageVersion && <span>Garage {garageVersion}</span>}
+          </div>
+        )}
+      </div>
+    </aside>
   );
 }

frontend/src/components/layout/theme-toggle.tsx

@@ -14,7 +14,7 @@ export function ThemeToggle() {
   return (
     <DropdownMenu>
       <DropdownMenuTrigger>
-        <Button variant="outline" size="icon">
+        <Button variant="secondary" size="icon">
           <Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
           <Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
           <span className="sr-only">Toggle theme</span>

frontend/src/components/layout/top-bar.tsx

@@ -0,0 +1,97 @@
+import * as React from 'react';
+import { User, LogOut, Monitor, Moon, Sun } from 'lucide-react';
+import { Breadcrumb, type BreadcrumbItem } from '@/components/ui/breadcrumb';
+import { useTheme } from '@/components/theme-provider';
+import { useAuthStore } from '@/store/auth-store';
+import { cn } from '@/lib/utils';
+
+interface TopBarProps {
+  crumbs: BreadcrumbItem[];
+}
+
+export function TopBar({ crumbs }: TopBarProps) {
+  const { theme, setTheme } = useTheme();
+  const { user, config, logout } = useAuthStore();
+  const [menuOpen, setMenuOpen] = React.useState(false);
+  const menuRef = React.useRef<HTMLDivElement>(null);
+
+  React.useEffect(() => {
+    if (!menuOpen) return;
+    const handler = (e: MouseEvent) => {
+      if (menuRef.current && !menuRef.current.contains(e.target as Node)) setMenuOpen(false);
+    };
+    document.addEventListener('mousedown', handler);
+    return () => document.removeEventListener('mousedown', handler);
+  }, [menuOpen]);
+
+  const hasUser = !!(config && (config.admin.enabled || config.oidc.enabled) && user);
+
+  return (
+    <div
+      className="sticky top-0 z-30 flex h-14 items-center gap-3 border-b border-[var(--border)] bg-[var(--surface-sunken)] px-4 backdrop-blur"
+    >
+      <div className="min-w-0 flex-1 pl-8 md:pl-0">
+        <Breadcrumb items={crumbs} />
+      </div>
+      <div className="flex items-center gap-1">
+        <ThemeMiniToggle theme={theme} setTheme={setTheme} />
+        {hasUser && (
+          <div ref={menuRef} className="relative">
+            <button
+              type="button"
+              onClick={() => setMenuOpen((o) => !o)}
+              className="flex h-8 items-center gap-2 rounded-md px-2 text-[13.5px] text-[var(--foreground)] hover:bg-[var(--accent)] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[var(--ring)]"
+            >
+              <span className="flex h-6 w-6 items-center justify-center rounded-full bg-[var(--primary)] text-[var(--primary-foreground)]">
+                <User className="h-3.5 w-3.5" />
+              </span>
+              <span className="hidden max-w-[140px] truncate sm:inline">{user?.name || user?.username}</span>
+            </button>
+            {menuOpen && (
+              <div className="absolute right-0 mt-1 w-56 overflow-hidden rounded-md border border-[var(--border)] bg-[var(--popover)] shadow-lg">
+                <div className="border-b border-[var(--border)] px-3 py-2">
+                  <div className="truncate text-[14px] font-medium">{user?.name || user?.username}</div>
+                  {user?.email && (
+                    <div className="truncate text-[12.5px] text-[var(--muted-foreground)]">{user.email}</div>
+                  )}
+                </div>
+                <button
+                  type="button"
+                  onClick={() => { setMenuOpen(false); logout(); }}
+                  className="flex w-full items-center gap-2 px-3 py-2 text-left text-[14px] hover:bg-[var(--accent)]"
+                >
+                  <LogOut className="h-3.5 w-3.5" /> Logout
+                </button>
+              </div>
+            )}
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}
+
+function ThemeMiniToggle({
+  theme,
+  setTheme,
+}: {
+  theme: 'light' | 'dark' | 'system';
+  setTheme: (t: 'light' | 'dark' | 'system') => void;
+}) {
+  const next = theme === 'dark' ? 'light' : theme === 'light' ? 'system' : 'dark';
+  const Icon = theme === 'dark' ? Moon : theme === 'light' ? Sun : Monitor;
+  return (
+    <button
+      type="button"
+      onClick={() => setTheme(next)}
+      aria-label={`Switch theme (current: ${theme})`}
+      className={cn(
+        'inline-flex h-8 w-8 items-center justify-center rounded-md text-[var(--muted-foreground)]',
+        'hover:bg-[var(--accent)] hover:text-[var(--foreground)]',
+        'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[var(--ring)]',
+      )}
+    >
+      <Icon className="h-4 w-4" />
+    </button>
+  );
+}

frontend/src/components/ui/badge.tsx

@@ -3,21 +3,23 @@ import { cva, type VariantProps } from 'class-variance-authority';
 import { cn } from '@/lib/utils';
 
 const badgeVariants = cva(
-  'inline-flex items-center rounded-full border px-2.5 py-0.5 text-xs font-semibold transition-colors focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2',
+  'inline-flex items-center rounded-md border px-2 py-0.5 text-[12px] font-medium tracking-tight',
   {
     variants: {
       variant: {
-        default: 'border-transparent bg-primary text-primary-foreground hover:bg-primary',
-        secondary:
-          'border-transparent bg-secondary text-secondary-foreground hover:bg-secondary',
-        destructive:
-          'border-transparent bg-destructive text-destructive-foreground hover:bg-destructive',
-        outline: 'text-foreground',
+        neutral:
+          'bg-[var(--card)] border-[var(--border)] text-[var(--muted-foreground)]',
+        success:
+          'bg-[var(--success-soft)] border-transparent text-[color:#2ca02c] dark:text-[color:#73bf69]',
+        warning:
+          'bg-[var(--accent-primary-soft)] border-[var(--accent-primary-border)] text-[var(--primary)]',
+        danger:
+          'bg-[var(--danger-soft)] border-[var(--danger-border)] text-[var(--destructive)]',
+        primary:
+          'bg-[var(--primary)] border-transparent text-[var(--primary-foreground)]',
       },
     },
-    defaultVariants: {
-      variant: 'default',
-    },
+    defaultVariants: { variant: 'neutral' },
   }
 );
 
@@ -25,8 +27,8 @@ export interface BadgeProps
   extends React.HTMLAttributes<HTMLDivElement>,
     VariantProps<typeof badgeVariants> {}
 
-function Badge({ className, variant, ...props }: BadgeProps) {
+export function Badge({ className, variant, ...props }: BadgeProps) {
   return <div className={cn(badgeVariants({ variant }), className)} {...props} />;
 }
 
-export { Badge, badgeVariants };
+export { badgeVariants };

frontend/src/components/ui/breadcrumb.tsx

@@ -0,0 +1,44 @@
+import * as React from 'react';
+import { Link } from 'react-router-dom';
+import { ChevronRight } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+export interface BreadcrumbItem {
+  label: string;
+  to?: string;
+}
+
+interface BreadcrumbProps extends React.HTMLAttributes<HTMLElement> {
+  items: BreadcrumbItem[];
+}
+
+export function Breadcrumb({ items, className, ...props }: BreadcrumbProps) {
+  return (
+    <nav
+      aria-label="Breadcrumb"
+      className={cn('flex items-center gap-1.5 text-[13.5px] text-[var(--muted-foreground)]', className)}
+      {...props}
+    >
+      {items.map((item, idx) => {
+        const isLast = idx === items.length - 1;
+        return (
+          <React.Fragment key={`${item.label}-${idx}`}>
+            {item.to && !isLast ? (
+              <Link
+                to={item.to}
+                className="rounded-sm px-1 text-[var(--foreground)]/80 hover:text-[var(--foreground)] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[var(--ring)]"
+              >
+                {item.label}
+              </Link>
+            ) : (
+              <span className={cn('px-1', isLast && 'font-medium text-[var(--foreground)]')}>
+                {item.label}
+              </span>
+            )}
+            {!isLast && <ChevronRight className="h-3.5 w-3.5 text-[var(--muted-foreground)]/60" />}
+          </React.Fragment>
+        );
+      })}
+    </nav>
+  );
+}

frontend/src/components/ui/button.tsx

@@ -3,28 +3,39 @@ import { cva, type VariantProps } from 'class-variance-authority';
 import { cn } from '@/lib/utils';
 
 const buttonVariants = cva(
-  'inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none',
+  [
+    'inline-flex items-center justify-center gap-2 whitespace-nowrap',
+    'rounded-md text-[14px] font-medium tracking-tight',
+    'transition-colors ring-offset-background',
+    'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[var(--ring)] focus-visible:ring-offset-2',
+    'disabled:pointer-events-none disabled:opacity-50',
+    '[&_svg]:h-3.5 [&_svg]:w-3.5 [&_svg]:shrink-0',
+  ].join(' '),
   {
     variants: {
       variant: {
-        default: 'bg-[#ff9329] text-black hover:bg-[#e58625] cursor-pointer',
-        default_disabled: 'bg-[#ff9329] text-black opacity-50 cursor-not-allowed',
-        secondary: 'border border-[#ff9329] text-[#ff9329] cursor-pointer',
-        destructive: 'bg-destructive text-destructive-foreground hover:bg-destructive cursor-pointer',
-        outline: 'border border-input bg-background hover:bg-accent hover:text-accent-foreground cursor-pointer',
-        outline_disabled: 'border border-input bg-background text-muted-foreground opacity-50 cursor-not-allowed',
-        ghost: 'hover:bg-accent hover:text-accent-foreground cursor-pointer',
-        link: 'text-primary underline-offset-4 hover:underline cursor-pointer',
+        primary:
+          'bg-[var(--primary)] text-[var(--primary-foreground)] font-semibold hover:brightness-[1.04] cursor-pointer',
+        secondary:
+          'bg-transparent border border-[var(--border)] text-[var(--foreground)] hover:bg-[var(--accent)] cursor-pointer',
+        ghost:
+          'bg-transparent text-[var(--muted-foreground)] hover:bg-[var(--accent)] hover:text-[var(--foreground)] cursor-pointer',
+        destructive:
+          'bg-[var(--destructive)] text-[var(--destructive-foreground)] font-semibold hover:brightness-[1.05] cursor-pointer',
+        link:
+          'text-[var(--primary)] underline-offset-4 hover:underline cursor-pointer',
       },
       size: {
-        default: 'h-10 px-4 py-2',
-        sm: 'h-9 rounded-md px-3',
-        lg: 'h-11 rounded-md px-8',
-        icon: 'h-10 w-10',
+        sm: 'h-8 px-3',
+        default: 'h-[38px] px-4',
+        lg: 'h-11 px-5',
+        'icon-sm': 'h-8 w-8 p-0',
+        icon: 'h-[38px] w-[38px] p-0',
+        'icon-lg': 'h-11 w-11 p-0',
       },
     },
     defaultVariants: {
-      variant: 'default',
+      variant: 'primary',
       size: 'default',
     },
   }
@@ -35,11 +46,9 @@ export interface ButtonProps
     VariantProps<typeof buttonVariants> {}
 
 const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
-  ({ className, variant, size, ...props }, ref) => {
-    return (
-      <button className={cn(buttonVariants({ variant, size, className }))} ref={ref} {...props} />
-    );
-  }
+  ({ className, variant, size, ...props }, ref) => (
+    <button className={cn(buttonVariants({ variant, size, className }))} ref={ref} {...props} />
+  )
 );
 Button.displayName = 'Button';
 

frontend/src/components/ui/confirm-dialog.tsx

@@ -0,0 +1,69 @@
+import * as React from 'react';
+import { Trash2, AlertTriangle } from 'lucide-react';
+import {
+  Dialog,
+  DialogBody,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from './dialog';
+import { IconTile } from './icon-tile';
+import { Button } from './button';
+
+interface ConfirmDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  title: string;
+  description?: React.ReactNode;
+  confirmLabel?: string;
+  cancelLabel?: string;
+  icon?: React.ReactNode;
+  tone?: 'destructive' | 'primary';
+  loading?: boolean;
+  onConfirm: () => void | Promise<void>;
+}
+
+export function ConfirmDialog({
+  open,
+  onOpenChange,
+  title,
+  description,
+  confirmLabel = 'Delete',
+  cancelLabel = 'Cancel',
+  icon,
+  tone = 'destructive',
+  loading = false,
+  onConfirm,
+}: ConfirmDialogProps) {
+  const defaultIcon = tone === 'destructive' ? <Trash2 /> : <AlertTriangle />;
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange} size="destructive">
+      <DialogContent>
+        <DialogHeader>
+          <IconTile icon={icon ?? defaultIcon} tone={tone} size="md" />
+          <div className="flex-1">
+            <DialogTitle>{title}</DialogTitle>
+            {description && <DialogDescription>{description}</DialogDescription>}
+          </div>
+        </DialogHeader>
+        <DialogBody>
+          <p className="text-[13.5px] text-[var(--muted-foreground)]">This action cannot be undone.</p>
+        </DialogBody>
+        <DialogFooter>
+          <Button variant="secondary" onClick={() => onOpenChange(false)} disabled={loading}>
+            {cancelLabel}
+          </Button>
+          <Button
+            variant={tone === 'destructive' ? 'destructive' : 'primary'}
+            onClick={() => onConfirm()}
+            disabled={loading}
+          >
+            {loading ? 'Working…' : confirmLabel}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}

frontend/src/components/ui/dangerous-confirm-dialog.tsx

@@ -0,0 +1,91 @@
+import * as React from 'react';
+import { Trash2 } from 'lucide-react';
+import {
+  Dialog,
+  DialogBody,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from './dialog';
+import { IconTile } from './icon-tile';
+import { Button } from './button';
+import { Input } from './input';
+
+interface DangerousConfirmDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  title: string;
+  description?: React.ReactNode;
+  /** Exact string the user must type to enable the confirm button. */
+  confirmationText: string;
+  confirmLabel?: string;
+  cancelLabel?: string;
+  icon?: React.ReactNode;
+  loading?: boolean;
+  onConfirm: () => void | Promise<void>;
+}
+
+export function DangerousConfirmDialog({
+  open,
+  onOpenChange,
+  title,
+  description,
+  confirmationText,
+  confirmLabel = 'Delete',
+  cancelLabel = 'Cancel',
+  icon,
+  loading = false,
+  onConfirm,
+}: DangerousConfirmDialogProps) {
+  const [value, setValue] = React.useState('');
+  React.useEffect(() => { if (!open) setValue(''); }, [open]);
+
+  const matches = value === confirmationText;
+
+  const submit = () => { if (matches && !loading) onConfirm(); };
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange} size="destructive">
+      <DialogContent>
+        <DialogHeader>
+          <IconTile icon={icon ?? <Trash2 />} tone="destructive" size="md" />
+          <div className="flex-1">
+            <DialogTitle>{title}</DialogTitle>
+            {description && <DialogDescription>{description}</DialogDescription>}
+          </div>
+        </DialogHeader>
+        <DialogBody className="space-y-3">
+          <p className="text-[13.5px] text-[var(--muted-foreground)]">
+            This action cannot be undone. To confirm, type{' '}
+            <code className="rounded bg-[var(--surface-sunken)] px-1 py-0.5 font-mono text-[13px] text-[var(--foreground)]">
+              {confirmationText}
+            </code>{' '}
+            below.
+          </p>
+          <Input
+            autoFocus
+            value={value}
+            onChange={(e) => setValue(e.target.value)}
+            onKeyDown={(e) => e.key === 'Enter' && submit()}
+            placeholder={confirmationText}
+            aria-label={`Type ${confirmationText} to confirm`}
+          />
+        </DialogBody>
+        <DialogFooter>
+          <Button variant="secondary" onClick={() => onOpenChange(false)} disabled={loading}>
+            {cancelLabel}
+          </Button>
+          <Button
+            variant="destructive"
+            onClick={submit}
+            disabled={!matches || loading}
+          >
+            {loading ? 'Working…' : confirmLabel}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}

frontend/src/components/ui/dialog.tsx

@@ -1,149 +1,201 @@
 import * as React from 'react';
+import { createPortal } from 'react-dom';
 import { X } from 'lucide-react';
 import { cn } from '@/lib/utils';
 
+type DialogSize = 'standard' | 'form' | 'destructive';
+
 interface DialogContextValue {
   open: boolean;
   onOpenChange: (open: boolean) => void;
+  size: DialogSize;
 }
 
 const DialogContext = React.createContext<DialogContextValue | undefined>(undefined);
 
 function useDialog() {
-  const context = React.useContext(DialogContext);
-  if (!context) {
-    throw new Error('useDialog must be used within a Dialog');
-  }
-  return context;
+  const ctx = React.useContext(DialogContext);
+  if (!ctx) throw new Error('useDialog must be used within a Dialog');
+  return ctx;
 }
 
 interface DialogProps {
   open?: boolean;
   onOpenChange?: (open: boolean) => void;
+  size?: DialogSize;
   children: React.ReactNode;
 }
 
-const Dialog: React.FC<DialogProps> = ({ open = false, onOpenChange, children }) => {
-  return (
-    <DialogContext.Provider value={{ open, onOpenChange: onOpenChange || (() => {}) }}>
-      {children}
-    </DialogContext.Provider>
-  );
-};
+const Dialog: React.FC<DialogProps> = ({ open = false, onOpenChange, size = 'standard', children }) => (
+  <DialogContext.Provider value={{ open, onOpenChange: onOpenChange || (() => {}), size }}>
+    {children}
+  </DialogContext.Provider>
+);
 
-const DialogTrigger = React.forwardRef<
-  HTMLButtonElement,
-  React.ButtonHTMLAttributes<HTMLButtonElement>
->(({ onClick, ...props }, ref) => {
-  const { onOpenChange } = useDialog();
-  return (
-    <button
-      ref={ref}
-      onClick={(e) => {
-        onOpenChange(true);
-        onClick?.(e);
-      }}
-      {...props}
-    />
-  );
-});
-DialogTrigger.displayName = 'DialogTrigger';
-
-const DialogPortal: React.FC<{ children: React.ReactNode }> = ({ children }) => {
-  const { open } = useDialog();
-  if (!open) return null;
-  return <>{children}</>;
-};
-
-const DialogOverlay = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
-  ({ className, ...props }, ref) => {
+const DialogTrigger = React.forwardRef<HTMLButtonElement, React.ButtonHTMLAttributes<HTMLButtonElement>>(
+  ({ onClick, ...props }, ref) => {
     const { onOpenChange } = useDialog();
     return (
-      <div
+      <button
         ref={ref}
-        className={cn(
-          'fixed inset-0 z-50 bg-black/50 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0',
-          className
-        )}
-        onClick={() => onOpenChange(false)}
+        onClick={(e) => { onOpenChange(true); onClick?.(e); }}
         {...props}
       />
     );
   }
 );
-DialogOverlay.displayName = 'DialogOverlay';
+DialogTrigger.displayName = 'DialogTrigger';
+
+const widthClass: Record<DialogSize, string> = {
+  standard: 'max-w-[480px]',
+  form: 'max-w-[600px]',
+  destructive: 'max-w-[440px]',
+};
+
+const DialogOverlay: React.FC = () => {
+  const { onOpenChange } = useDialog();
+  return (
+    <div
+      className="fixed inset-0 z-50 bg-black/55 backdrop-blur-[8px]"
+      onClick={() => onOpenChange(false)}
+    />
+  );
+};
 
 const DialogContent = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
   ({ className, children, ...props }, ref) => {
-    const { onOpenChange } = useDialog();
-    return (
-      <DialogPortal>
+    const { open, onOpenChange, size } = useDialog();
+    const containerRef = React.useRef<HTMLDivElement>(null);
+
+    React.useEffect(() => {
+      if (!open) return;
+      const previouslyFocused = document.activeElement as HTMLElement | null;
+
+      const keyHandler = (e: KeyboardEvent) => {
+        if (e.key === 'Escape') {
+          e.stopPropagation();
+          onOpenChange(false);
+          return;
+        }
+        if (e.key !== 'Tab' || !containerRef.current) return;
+        const focusables = containerRef.current.querySelectorAll<HTMLElement>(
+          'a[href], button:not([disabled]), textarea:not([disabled]), input:not([disabled]), select:not([disabled]), [tabindex]:not([tabindex="-1"])'
+        );
+        if (focusables.length === 0) return;
+        const first = focusables[0];
+        const last = focusables[focusables.length - 1];
+        if (e.shiftKey && document.activeElement === first) {
+          e.preventDefault();
+          last.focus();
+        } else if (!e.shiftKey && document.activeElement === last) {
+          e.preventDefault();
+          first.focus();
+        }
+      };
+      document.addEventListener('keydown', keyHandler);
+
+      setTimeout(() => {
+        const first = containerRef.current?.querySelector<HTMLElement>(
+          'input:not([disabled]), button:not([disabled]), [tabindex]:not([tabindex="-1"])'
+        );
+        first?.focus();
+      }, 0);
+
+      return () => {
+        document.removeEventListener('keydown', keyHandler);
+        previouslyFocused?.focus?.();
+      };
+    }, [open, onOpenChange]);
+
+    if (!open) return null;
+
+    return createPortal(
+      <>
         <DialogOverlay />
-        <div className="fixed left-[50%] top-[50%] z-50 translate-x-[-50%] translate-y-[-50%] w-[calc(100%-2rem)] sm:w-full max-w-lg">
+        <div
+          ref={containerRef}
+          role="dialog"
+          aria-modal="true"
+          className={cn(
+            'fixed left-1/2 top-1/2 z-50 w-[calc(100%-2rem)] -translate-x-1/2 -translate-y-1/2',
+            widthClass[size],
+          )}
+        >
           <div
             ref={ref}
-            style={{ backgroundColor: 'var(--background)' }}
             className={cn(
-              'relative p-4 sm:p-6 shadow-lg duration-200 rounded-lg border',
-              'data-[state=open]:animate-in data-[state=closed]:animate-out',
-              'data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0',
-              'data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95',
-              'data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%]',
-              'data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%]',
-              className
+              'relative overflow-hidden rounded-xl border border-[var(--border)]',
+              'bg-[var(--card)] text-[var(--card-foreground)]',
+              'shadow-[0_20px_40px_rgba(0,0,0,0.3)]',
+              className,
             )}
             {...props}
           >
             {children}
             <button
+              type="button"
               onClick={() => onOpenChange(false)}
-              className="absolute right-4 top-4 rounded-sm ring-offset-background focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 cursor-pointer"
+              aria-label="Close"
+              className="absolute right-3 top-3 inline-flex h-7 w-7 items-center justify-center rounded-md text-[var(--muted-foreground)] hover:bg-[var(--accent)] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[var(--ring)]"
             >
               <X className="h-4 w-4" />
-              <span className="sr-only">Close</span>
             </button>
           </div>
         </div>
-      </DialogPortal>
+      </>,
+      document.body,
     );
   }
 );
 DialogContent.displayName = 'DialogContent';
 
-const DialogHeader: React.FC<React.HTMLAttributes<HTMLDivElement>> = ({
-  className,
-  ...props
-}) => <div className={cn('flex flex-col space-y-1.5 text-center sm:text-left bg-background', className)} {...props} />;
+const DialogHeader: React.FC<React.HTMLAttributes<HTMLDivElement>> = ({ className, ...props }) => (
+  <div
+    className={cn(
+      'flex items-start gap-3 border-b border-[var(--border)] px-6 py-5',
+      className,
+    )}
+    {...props}
+  />
+);
 DialogHeader.displayName = 'DialogHeader';
 
-const DialogFooter: React.FC<React.HTMLAttributes<HTMLDivElement>> = ({
-  className,
-  ...props
-}) => (
+const DialogBody: React.FC<React.HTMLAttributes<HTMLDivElement>> = ({ className, ...props }) => (
+  <div className={cn('px-6 py-5', className)} {...props} />
+);
+DialogBody.displayName = 'DialogBody';
+
+const DialogFooter: React.FC<React.HTMLAttributes<HTMLDivElement>> = ({ className, ...props }) => (
   <div
-    className={cn('flex flex-col-reverse sm:flex-row sm:justify-end space-y-2 space-y-reverse sm:space-y-0 sm:space-x-2', className)}
+    className={cn(
+      'flex justify-end gap-2 border-t border-[var(--border)] bg-[var(--surface-sunken)] px-6 py-3.5',
+      className,
+    )}
     {...props}
   />
 );
 DialogFooter.displayName = 'DialogFooter';
 
-const DialogTitle = React.forwardRef<HTMLHeadingElement, React.HTMLAttributes<HTMLHeadingElement>>(
+const DialogTitleText = React.forwardRef<HTMLHeadingElement, React.HTMLAttributes<HTMLHeadingElement>>(
   ({ className, ...props }, ref) => (
     <h2
       ref={ref}
-      className={cn('text-lg font-semibold leading-none tracking-tight', className)}
+      className={cn('text-[20px] font-semibold tracking-[-0.015em] leading-tight', className)}
       {...props}
     />
   )
 );
-DialogTitle.displayName = 'DialogTitle';
+DialogTitleText.displayName = 'DialogTitle';
 
-const DialogDescription = React.forwardRef<
-  HTMLParagraphElement,
-  React.HTMLAttributes<HTMLParagraphElement>
->(({ className, ...props }, ref) => (
-  <p ref={ref} className={cn('text-xs text-muted-foreground', className)} {...props} />
-));
+const DialogDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(
+  ({ className, ...props }, ref) => (
+    <p
+      ref={ref}
+      className={cn('mt-1 text-[13.5px] leading-[1.45] text-[var(--muted-foreground)]', className)}
+      {...props}
+    />
+  )
+);
 DialogDescription.displayName = 'DialogDescription';
 
 export {
@@ -151,7 +203,8 @@ export {
   DialogTrigger,
   DialogContent,
   DialogHeader,
+  DialogBody,
   DialogFooter,
-  DialogTitle,
+  DialogTitleText as DialogTitle,
   DialogDescription,
 };