Merge pull request #111 from Gimanh/fix/issues

feat: OAuth

.claude-plugin/marketplace.json

@@ -0,0 +1,13 @@
+{
+  "name": "taskview",
+  "owner": {
+    "name": "Nikolai Giman"
+  },
+  "plugins": [
+    {
+      "name": "taskview",
+      "source": "./taskview-plugin",
+      "description": "Manage TaskView projects and tasks from Claude Code. Bundles the TaskView MCP server, skills, and slash commands."
+    }
+  ]
+}

.gitignore

@@ -5,6 +5,8 @@ ReleasesBuilds/*
 iconcreator
 *.prod.*
 .DS_Store
+.cursor
+.claude
 node_modules
 __APP_BUILD__
 ssl-create

README.md

@@ -1,7 +1,7 @@
 # TaskView™
 
 <p align="center">
-  <img src="./assets/taskview/kanban-dark.png" alt="TaskView logo" width="320">
+  <img src="./assets/taskview/kanban-dark.png" alt="TaskView — Kanban board" width="1440" style="max-width: 100%;">
 </p>
 
 <p align="center">
@@ -14,7 +14,7 @@
 </p>
 
 <details>
-  <summary><strong>View more screenshots</strong></summary>
+  <summary style="font-size: 24px"><strong>View more screenshots</strong></summary>
 
   <br>
 
@@ -60,6 +60,15 @@
   <a href="./LICENSE">
     <img src="https://img.shields.io/badge/license-Source--Available-blue" alt="Source-Available License">
   </a>
+  <a href="https://github.com/Gimanh/taskview-community/releases">
+    <img src="https://img.shields.io/github/v/release/Gimanh/taskview-community?label=release&color=brightgreen" alt="Latest release">
+  </a>
+  <a href="https://www.npmjs.com/package/taskview-mcp">
+    <img src="https://img.shields.io/npm/v/taskview-mcp?label=taskview-mcp&logo=npm&color=CB3837" alt="taskview-mcp on npm">
+  </a>
+  <a href="https://www.npmjs.com/package/taskview-api">
+    <img src="https://img.shields.io/npm/v/taskview-api?label=taskview-api&logo=npm&color=CB3837" alt="taskview-api on npm">
+  </a>
   <img src="https://img.shields.io/badge/status-active-brightgreen" alt="Active development">
   <img src="https://img.shields.io/badge/self--hosted-Docker-2496ED" alt="Docker self-hosted">
 </p>
@@ -169,7 +178,37 @@ Depending on the permissions assigned to an API token, an AI assistant can:
 
 MCP access can be restricted by permission and by selected projects.
 
-See the [TaskView MCP documentation](https://taskview.tech/docs/integrations/mcp) for configuration examples.
+### Connecting an MCP client
+
+The MCP server is published as [`taskview-mcp`](https://www.npmjs.com/package/taskview-mcp) and runs over stdio via `npx` — no install required. You only need a TaskView API token (`tvk_...`) — generate one in your account settings (see [API tokens](https://taskview.tech/docs/features/api-tokens)). Scope the token to the minimum permissions and projects the assistant should reach.
+
+**Claude Code** — add to `.claude/settings.json` (project) or `~/.claude.json` (global):
+
+```json
+{
+  "mcpServers": {
+    "taskview": {
+      "command": "npx",
+      "args": ["-y", "taskview-mcp"],
+      "env": {
+        "TASKVIEW_URL": "https://api.taskview.tech",
+        "TASKVIEW_TOKEN": "tvk_your_token_here"
+      }
+    }
+  }
+}
+```
+
+**Claude Desktop** — add the same `mcpServers` block to `claude_desktop_config.json`.
+
+**Other MCP clients** (Cursor, Windsurf, etc.) — use the same stdio command `npx -y taskview-mcp` with the `TASKVIEW_URL` and `TASKVIEW_TOKEN` environment variables in that client's MCP configuration.
+
+| Variable | Required | Description |
+|---|---|---|
+| `TASKVIEW_URL` | yes | TaskView API server URL (e.g. `https://api.taskview.tech`, or your self-hosted instance) |
+| `TASKVIEW_TOKEN` | yes | API token with the `tvk_` prefix |
+
+See the [TaskView MCP documentation](https://taskview.tech/docs/integrations/mcp) and the [`taskview-mcp` package README](taskview-packages/taskview-mcp/README.md) for the full tool list and more options.
 
 ## Quick start
 
@@ -389,7 +428,7 @@ For commercial licensing questions, hosted service permissions, or other use cas
 
 Do not publish security vulnerabilities in public GitHub issues.
 
-Report security issues privately using the contact information provided in the repository or on the TaskView website.
+Report security issues privately — see [SECURITY.md](SECURITY.md) for the reporting channels, response times, scope, and safe-harbor terms.
 
 When running TaskView in production:
 

SECURITY.md

@@ -0,0 +1,46 @@
+# Security Policy
+
+## Reporting a vulnerability
+
+Please do not report security vulnerabilities through public GitHub issues, discussions, or pull requests.
+
+Report them privately using one of these channels:
+
+- **GitHub private vulnerability reporting** (preferred): open the **Security** tab of this repository and click **Report a vulnerability**.
+- **Email**: [support@taskview.tech](mailto:support@taskview.tech) with `[security]` in the subject.
+
+Please include as much of the following as you can:
+
+- A description of the issue and its impact
+- Affected component (API, web app, MCP server, mobile app) and version
+- Steps to reproduce, or a proof of concept
+- Any suggested mitigation
+
+## What to expect
+
+- We will acknowledge your report within **5 business days**.
+- We will keep you informed about progress and aim to release a fix for confirmed issues within **90 days** of the report, sooner for critical issues.
+- Once a fix is released, we publish a GitHub Security Advisory for the affected versions and credit the reporter, unless they prefer to stay anonymous.
+- We ask that you give us a reasonable time to fix the issue before disclosing it publicly.
+
+## Supported versions
+
+Security fixes are released for the latest minor version line only. Self-hosted installations should upgrade to the latest release to receive them.
+
+## Scope
+
+In scope:
+
+- The TaskView API server, web app, MCP server, and mobile app in this repository
+- The hosted service at `app.taskview.tech`
+
+Out of scope:
+
+- Vulnerabilities in third-party dependencies that are not exploitable in TaskView (report them upstream)
+- Findings that require a compromised admin account or physical access to the server
+- Missing security headers, rate limiting, or best-practice recommendations without a demonstrated impact
+- Denial-of-service testing against the hosted service
+
+## Safe harbor
+
+We will not pursue legal action against researchers who act in good faith: test only against their own self-hosted instance or their own accounts on the hosted service, avoid accessing or modifying other users' data, and report findings privately as described above.

api/.env.example

@@ -19,6 +19,18 @@ ACCESS_LIFE_TIME=1d
 REFRESH_LIFE_TIME=2d
 JWT_ALG=HS256
 
+# SSO: comma-separated email domains that skip DNS/HTTP ownership proof (air-gapped installs)
+#SSO_TRUSTED_DOMAINS=company.com,corp.local
+
+# OAuth 2.1 for third-party MCP clients (ChatGPT, Claude connectors).
+# Dynamic Client Registration is on by default; a cloud client cannot connect
+# without it, since it has no way to pre-register with your instance. Turn it
+# off on a private install that only uses manually seeded clients.
+#OAUTH_DYNAMIC_REGISTRATION=false
+# Public URL of this API. Used as the OAuth issuer in the discovery documents,
+# so it must be the URL clients actually reach — set it behind a proxy.
+#API_PUBLIC_URL=https://api.taskview.tech
+
 # SMTP Configuration
 SMTP_HOST=smtp.domain.com
 SMTP_PORT=465
@@ -27,6 +39,10 @@ SMTP_PASSWORD=your_smtp_password_here
 SMTP_ENCRYPTION=ssl
 SMTP_FROM_NAME=TaskView
 SMTP_FROM_EMAIL=your_email@example.com
+# Email a person when they are invited to a project (requires SMTP)
+INVITE_EMAIL_ENABLED=false
+# Max invite emails one user may trigger per hour (default 30)
+# INVITE_EMAIL_HOURLY_LIMIT=30
 
 # Encryption (32-byte hex key for AES-256-GCM)
 # Generate a key: node -e "console.log(require('crypto').randomBytes(32).toString('hex'))"
@@ -48,6 +64,14 @@ GITLAB_INTEGRATION_CALLBACK_URL=http://localhost:1401/module/integrations/oauth/
 # GITLAB_BASE_URL=https://gitlab.yourcompany.com
 # GITLAB_API_URL=https://gitlab.yourcompany.com/api/v4
 
+# Gitea Integration OAuth
+GITEA_INTEGRATION_CLIENT_ID=
+GITEA_INTEGRATION_CLIENT_SECRET=
+GITEA_INTEGRATION_CALLBACK_URL=http://localhost:1401/module/integrations/oauth/gitea/callback
+# For self-hosted Gitea, override these:
+# GITEA_BASE_URL=https://gitea.yourcompany.com
+# GITEA_API_URL=https://gitea.yourcompany.com/api/v1
+
 # Firebase Cloud Messaging (push notifications for mobile, optional)
 # Path to Firebase service account JSON file
 # FIREBASE_CREDENTIALS_PATH=./firebase-credentials.json

api/ecosystem.config.js

@@ -1,9 +1,38 @@
+// https://github.com/Gimanh/taskview-community/issues/88
+// GH-88: one worker per core ('max') multiplied by the per-worker DB pool
+// (DB_POOL_MAX, default 20) exhausts Postgres max_connections (default 100)
+// on many-core hosts. Default to 2 workers; scale explicitly via PM2_INSTANCES.
+// If you set PM2_INSTANCES to 'max', size DB_POOL_MAX yourself so that
+// workers × DB_POOL_MAX stays below the Postgres max_connections limit.
+const rawInstances = process.env.PM2_INSTANCES;
+const instances = rawInstances === 'max'
+    ? 'max'
+    : Number(rawInstances) > 0
+        ? Number(rawInstances)
+        : 2;
+
+const poolMax = Number(process.env.DB_POOL_MAX) > 0 ? Number(process.env.DB_POOL_MAX) : 20;
+
+if (instances === 'max') {
+    console.warn(
+        '[taskview] PM2_INSTANCES=max spawns one worker per CPU core, each with its own '
+        + `DB pool (${poolMax} connections). Make sure workers x DB_POOL_MAX stays below `
+        + 'the Postgres max_connections limit (default 100).'
+    );
+} else if (instances * poolMax > 80) {
+    console.warn(
+        `[taskview] DB connection budget: ${instances} worker(s) x ${poolMax} pool connections = `
+        + `${instances * poolMax} potential connections. Postgres default max_connections is 100 - `
+        + 'lower PM2_INSTANCES or DB_POOL_MAX if the database rejects connections.'
+    );
+}
+
 module.exports = {
     apps: [
         {
             name: 'taskview-server',
             script: 'taskview-server.js',
-            instances: 'max',
+            instances,
             watch: true,
             ignore_watch: ['logs'],
             autorestart: true,

api/package.json

@@ -1,6 +1,6 @@
 {
   "name": "taskview-ce-api-server",
-  "version": "1.48.4",
+  "version": "1.53.0",
   "scripts": {
     "dev": "bun run --watch ./server.ts",
     "start": "NODE_ENV=production node ./dist/taskview-server.js",
@@ -83,4 +83,4 @@
   "engines": {
     "node": ">=24 <25"
   }
-}
+}

api/production.ecosystem.config.js

@@ -1,11 +1,38 @@
+// GH-88: one worker per core ('max') multiplied by the per-worker DB pool
+// (DB_POOL_MAX, default 20) exhausts Postgres max_connections (default 100)
+// on many-core hosts. Default to 2 workers; scale explicitly via PM2_INSTANCES.
+// If you set PM2_INSTANCES to 'max', size DB_POOL_MAX yourself so that
+// workers × DB_POOL_MAX stays below the Postgres max_connections limit.
+const rawInstances = process.env.PM2_INSTANCES;
+const instances = rawInstances === 'max'
+    ? 'max'
+    : Number(rawInstances) > 0
+        ? Number(rawInstances)
+        : 2;
+
+const poolMax = Number(process.env.DB_POOL_MAX) > 0 ? Number(process.env.DB_POOL_MAX) : 20;
+
+if (instances === 'max') {
+    console.warn(
+        '[taskview] PM2_INSTANCES=max spawns one worker per CPU core, each with its own '
+        + `DB pool (${poolMax} connections). Make sure workers x DB_POOL_MAX stays below `
+        + 'the Postgres max_connections limit (default 100).'
+    );
+} else if (instances * poolMax > 80) {
+    console.warn(
+        `[taskview] DB connection budget: ${instances} worker(s) x ${poolMax} pool connections = `
+        + `${instances * poolMax} potential connections. Postgres default max_connections is 100 - `
+        + 'lower PM2_INSTANCES or DB_POOL_MAX if the database rejects connections.'
+    );
+}
+
 module.exports = {
     apps: [
         {
             name: 'taskview-server',
             script: 'taskview-server.js',
-            instances: 'max',
-            watch: true,
-            ignore_watch: ['logs'],
+            instances,
+            watch: false,
             autorestart: true,
             max_memory_restart: '1G',
             env_production: {

api/src/App.ts

@@ -5,6 +5,9 @@ import { corsMiddleware } from './middlewares/cors';
 import errorHandler from './middlewares/error-handler';
 import routes from './routes';
 import passport, { initPassportLogin } from './tv-modules/auth/strategies/passport-login';
+import { LoginMethods } from './tv-modules/auth/LoginMethods';
+import { InviteEmailDispatcher } from './tv-modules/collaboration/InviteEmailDispatcher';
+import { PublicApiUrl } from './modules/public-url';
 import cookieParser from 'cookie-parser';
 import { registerAllEventHandlers, startAllWorkers } from './core/all-events';
 
@@ -13,6 +16,10 @@ export default class App {
     public port: number;
 
     constructor(port: number) {
+        LoginMethods.validateOnStartup();
+        PublicApiUrl.validateOnStartup();
+        InviteEmailDispatcher.validateOnStartup();
+
         this.app = express();
         this.port = port;
 
@@ -31,7 +38,17 @@ export default class App {
     protected extendApp(): void { }
     protected extendMiddlewares(): void { }
 
+    private resolveTrustProxy(): boolean | number | string {
+        const raw = process.env.TRUST_PROXY?.trim();
+        if (!raw || raw.toLowerCase() === 'false') return false;
+        if (raw.toLowerCase() === 'true') return true;
+        if (/^\d+$/.test(raw)) return Number(raw);
+        return raw;
+    }
+
     private initializeMiddlewares() {
+        this.app.set('trust proxy', this.resolveTrustProxy());
+
         //add tvJson method, clien need response format like {response: data}
         this.app.use((_req: Request, res: Response, next) => {
             res.tvJson = function (data: any) {
@@ -51,7 +68,16 @@ export default class App {
                 }
             },
         }));
-        this.app.use(express.urlencoded({ extended: true }));
+        this.app.use(express.urlencoded({
+            extended: true,
+            verify: (req: any, _res, buf) => {
+                // Slack sends slash commands / interactivity as urlencoded; keep the raw body
+                // for HMAC signature verification (VerifySlackRequest).
+                if (req.url?.includes('/messaging/slack/')) {
+                    req.rawBody = buf;
+                }
+            },
+        }));
         this.app.use(appUserMiddleware);
     }
 

api/src/core/EventBus.ts

@@ -1,6 +1,7 @@
 import { EventEmitter } from 'node:events';
 import type { RecurrenceRulesSchemaTypeForSelect, SprintsSchemaTypeForSelect, TasksSchemaTypeForSelect } from 'taskview-db-schemas';
 import type { TimeEntryWithUser } from '../tv-modules/time-tracking/types';
+import type { InviteEmailLocale } from '../tv-modules/collaboration/collaboration.server.types';
 import { $logger } from '../modules/logget';
 
 export interface AppEvents {
@@ -8,7 +9,7 @@ export interface AppEvents {
     'task.updated': { task: TasksSchemaTypeForSelect; changes: Record<string, unknown>; initiatorId: number };
     'task.assigneesChanged': { taskId: number; userIds: number[]; initiatorId: number };
     'task.deleted': { taskId: number; goalId: number; initiatorId: number };
-    'collaboration.userAdded': { goalId: number; email: string; initiatorId: number };
+    'collaboration.userAdded': { goalId: number; email: string; initiatorId: number; locale: InviteEmailLocale };
     'collaboration.userRemoved': { goalId: number; collaborationUserId: number; initiatorId: number };
     'collaboration.rolesChanged': { goalId: number; collaborationUserId: number; initiatorId: number };
     'time-entry.started': { entry: TimeEntryWithUser; taskId: number; userId: number; goalId: number };

api/src/core/all-events.ts

@@ -6,6 +6,8 @@ import { WebhooksDispatcher } from '../tv-modules/webhooks/WebhooksDispatcher';
 import { TimeTrackingDispatcher } from '../tv-modules/time-tracking/TimeTrackingDispatcher';
 import { SprintsDispatcher } from '../tv-modules/sprints/SprintsDispatcher';
 import { RecurrenceDispatcher } from '../tv-modules/recurrence/RecurrenceDispatcher';
+import { MessagingDispatcher } from '../tv-modules/messaging/MessagingDispatcher';
+import { InviteEmailDispatcher } from '../tv-modules/collaboration/InviteEmailDispatcher';
 
 const dispatchers: Dispatcher[] = [
     new NotificationDispatcher(),
@@ -14,6 +16,8 @@ const dispatchers: Dispatcher[] = [
     new TimeTrackingDispatcher(),
     new SprintsDispatcher(),
     new RecurrenceDispatcher(),
+    new MessagingDispatcher(),
+    new InviteEmailDispatcher(),
 ];
 
 export function registerAllEventHandlers() {

api/src/middlewares/__tests__/require-token-permission.test.ts

@@ -0,0 +1,44 @@
+import { describe, it, expect, vi } from 'vitest';
+import type { Request, Response } from 'express';
+import { RequireTokenPermission } from '../require-token-permission';
+import { GoalPermissions } from '../../types/auth.types';
+
+const runWith = (tokenPermissions: string[] | undefined) => {
+    const next = vi.fn();
+    const end = vi.fn();
+    const res = { status: vi.fn(() => ({ end })), end } as unknown as Response;
+    const req = { appUser: { getTokenPermissions: () => tokenPermissions } } as unknown as Request;
+
+    RequireTokenPermission(GoalPermissions.ORG_CAN_MANAGE)(req, res, next);
+    return { next, res };
+};
+
+describe('RequireTokenPermission', () => {
+    it('lets a browser session through — it carries no token permissions', () => {
+        const { next, res } = runWith(undefined);
+        expect(next).toHaveBeenCalled();
+        expect(res.status).not.toHaveBeenCalled();
+    });
+
+    it('lets an unrestricted token through, keeping existing integrations working', () => {
+        const { next } = runWith([]);
+        expect(next).toHaveBeenCalled();
+    });
+
+    it('lets a token holding the permission through', () => {
+        const { next } = runWith([GoalPermissions.ORG_CAN_MANAGE]);
+        expect(next).toHaveBeenCalled();
+    });
+
+    it('blocks a restricted token that was not given the permission', () => {
+        const { next, res } = runWith([GoalPermissions.TIMETRACKING_CAN_VIEW]);
+        expect(next).not.toHaveBeenCalled();
+        expect(res.status).toHaveBeenCalledWith(403);
+    });
+
+    it('does not accept a neighbouring permission from the same group', () => {
+        const { next, res } = runWith([GoalPermissions.ORG_CAN_MANAGE_MEMBERS]);
+        expect(next).not.toHaveBeenCalled();
+        expect(res.status).toHaveBeenCalledWith(403);
+    });
+});

api/src/middlewares/app-user-middleware.ts

@@ -4,6 +4,7 @@ import { $logger } from '../modules/logget';
 import AuthController from '../tv-modules/auth/AuthController';
 import { getApiTokensManager } from '../tv-modules/api-tokens/ApiTokensManager';
 import { TOKEN_PREFIX } from '../tv-modules/api-tokens/types';
+import { OAUTH_ACCESS_TOKEN_PREFIX } from '../tv-modules/oauth/types';
 
 export const appUserMiddleware = async (req: Request, res: Response, next: NextFunction) => {
     if (req.method === 'OPTIONS') {
@@ -13,7 +14,7 @@ export const appUserMiddleware = async (req: Request, res: Response, next: NextF
 
     const token = req.headers['authorization']?.split(' ')[1];
 
-    if (token && token.startsWith(TOKEN_PREFIX)) {
+    if (token && (token.startsWith(TOKEN_PREFIX) || token.startsWith(OAUTH_ACCESS_TOKEN_PREFIX))) {
         const record = await getApiTokensManager().validateToken(token);
         if (record) {
             const authManager = new AppUser().authManager;

api/src/middlewares/require-token-permission.ts

@@ -0,0 +1,34 @@
+import type { NextFunction, Request, Response } from 'express';
+import type { GoalPermissionType } from '../types/auth.types';
+
+/**
+ * Narrows what a restricted API / OAuth token may do on surfaces that are guarded
+ * by an organization role or by project ownership rather than by the project RBAC
+ * — organizations, SSO configuration, webhooks. Those checks never consult
+ * GoalPermissionsFetcher, so without this the scope chosen when the token was
+ * issued would simply not apply to them.
+ *
+ * It only ever removes access. Put it AFTER the role or ownership guard, so that
+ * guard still has the final say on what the human behind the token may do:
+ *
+ *   [IsLoggedIn, IsOrgAdmin, RequireTokenPermission(GoalPermissions.ORG_CAN_MANAGE)]
+ *
+ * A browser session has no token permissions and passes. A token issued with an
+ * empty permission list is unrestricted by design — the same meaning it carries
+ * everywhere else — and also passes, which keeps existing integrations working.
+ */
+export const RequireTokenPermission = (permission: GoalPermissionType) => {
+    return (req: Request, res: Response, next: NextFunction) => {
+        const tokenPermissions = req.appUser.getTokenPermissions();
+
+        if (!tokenPermissions || tokenPermissions.length === 0) {
+            return next();
+        }
+
+        if (tokenPermissions.includes(permission)) {
+            return next();
+        }
+
+        return res.status(403).end();
+    };
+};

api/src/migrations/taskview/migrate.json

@@ -640,5 +640,145 @@
         "description": [
             "Added tasks.recurrence_rules.has_time — explicit flag for whether a series is anchored to a wall-clock time or is date-only. Previously the code inferred 'no time' from a midnight dtstart, which silently collapsed an explicit 00:00 series into date-only. Backfill (has_time = dtstart::time <> '00:00:00') reproduces the old inference so existing series keep their behavior; new series carry the flag through from the origin task's start_time (null = date-only, set = timed, including midnight)."
         ]
+    },
+    "50": {
+        "version": "1.55.0",
+        "name": "Release 1.55.0",
+        "releaseDate": "20260628",
+        "scripts": [
+            "/1.55.0/0.alter-goals-add-is-inbox.sql",
+            "/1.55.0/1.backfill-inbox-goals.sql",
+            "/1.55.0/2.unique-inbox-per-org.sql"
+        ],
+        "description": [
+            "Added tasks.goals.is_inbox (BOOLEAN NOT NULL DEFAULT FALSE) — flags a project as the user's personal Inbox. One Inbox per personal organization, auto-created at signup and guarded against deletion and archival in GoalsManager.",
+            "Backfill: for every personal organization without an Inbox, inserts one tasks.goals row (name='Inbox', is_inbox=true, owner=the org owner, organization_id=the org). The existing AFTER INSERT triggers fully provision it like any project — default kanban statuses, the owner added to collaboration, and the default editor/executor roles with their permissions. Idempotent — skips orgs that already have an Inbox.",
+            "Partial unique index goals_one_inbox_per_org_uidx ON tasks.goals (organization_id) WHERE is_inbox — enforces at most one Inbox per organization at the DB level, hardening the check-then-insert against concurrent races."
+        ]
+    },
+    "51": {
+        "version": "1.56.0",
+        "name": "Messaging integrations",
+        "releaseDate": "20260701",
+        "scripts": [
+            "/1.56.0/0.create-messaging-tables.sql",
+            "/1.56.0/1.alter-messaging-add-events.sql"
+        ],
+        "description": [
+            "Messaging integrations module (Slack / Telegram)",
+            "Outbound delivery connections for personal and project/org owners",
+            "Pending link tokens for binding + user identity map",
+            "Per-connection event subscription (which events to deliver)"
+        ]
+    },
+    "52": {
+        "version": "1.57.0",
+        "name": "Unique project membership",
+        "releaseDate": "20260702",
+        "scripts": [
+            "/1.57.0/0.unique-users-to-goals.sql"
+        ],
+        "description": [
+            "Deduplicate collaboration.users_to_goals rows",
+            "Unique index on (user_id, goal_id) — one membership per user per project"
+        ]
+    },
+    "53": {
+        "version": "1.58.0",
+        "name": "Messaging channel post-content flag",
+        "releaseDate": "20260702",
+        "scripts": [
+            "/1.58.0/0.alter-messaging-add-post-content.sql"
+        ],
+        "description": [
+            "Per-connection opt-out for posting task description to project channels"
+        ]
+    },
+    "54": {
+        "version": "1.59.0",
+        "name": "Messaging identity workspace scoping",
+        "releaseDate": "20260705",
+        "scripts": [
+            "/1.59.0/0.alter-messaging-identity-add-team.sql"
+        ],
+        "description": [
+            "Add external_team_id to messaging_identity_map so Slack identities are keyed by (provider, team, user) — prevents cross-workspace identity collision"
+        ]
+    },
+    "55": {
+        "version": "1.60.0",
+        "name": "Recurrence schedule mode",
+        "releaseDate": "20260712",
+        "scripts": [
+            "/1.60.0/0.alter-recurrence-add-schedule-mode.sql"
+        ],
+        "description": [
+            "Add schedule_mode to recurrence_rules: 'fixed' (calendar schedule) or 'after-completion' (next occurrence = completion day + interval)"
+        ]
+    },
+    "56": {
+        "version": "1.61.0",
+        "name": "Gitea integration provider",
+        "releaseDate": "20260726",
+        "scripts": [
+            "/1.61.0/0.alter-integrations-provider-check-gitea.sql"
+        ],
+        "description": [
+            "Extend integrations_provider_check constraint to allow the 'gitea' provider alongside 'github' and 'gitlab'"
+        ]
+    },
+    "57": {
+        "version": "1.62.0",
+        "name": "Invite email rate limiting",
+        "releaseDate": "20260730",
+        "scripts": [
+            "/1.62.0/0.create-invite-emails.sql"
+        ],
+        "description": [
+            "Log of sent project-invite emails (collaboration.invite_emails) backing the per-recipient cooldown and the hourly per-initiator sending cap"
+        ]
+    },
+    "58": {
+        "version": "1.63.0",
+        "name": "SSO domain verification",
+        "releaseDate": "20260813",
+        "scripts": [
+            "/1.63.0/0.sso-domain-verification.sql",
+            "/1.63.0/1.sso-domain-verified-unique.sql"
+        ],
+        "description": [
+            "SSO configs require proving ownership of email_domain_restriction before login is allowed: DNS TXT taskview-sso-verify=<token> or https://<domain>/.well-known/taskview-sso-verify.txt. Air-gapped installs can skip this for listed domains via SSO_TRUSTED_DOMAINS.",
+            "Replaces the plain UNIQUE(email_domain_restriction) with a partial unique index over verified configs only, so an unverified config can no longer squat a domain and block its real owner — multiple orgs may hold a pending config for the same domain, but only one can verify it (first-to-verify wins)."
+        ]
+    },
+    "59": {
+        "version": "1.64.0",
+        "name": "OAuth 2.1 authorization server",
+        "releaseDate": "20260830",
+        "scripts": [
+            "/1.64.0/0.create-oauth-clients.sql",
+            "/1.64.0/1.create-oauth-auth-codes.sql",
+            "/1.64.0/2.create-oauth-grants.sql",
+            "/1.64.0/3.alter-api-tokens-grant-id.sql"
+        ],
+        "description": [
+            "OAuth 2.1 authorization server so third-party MCP clients (ChatGPT, Claude connectors) can act on a user's behalf without the user pasting a permanent tvk_ API token into them.",
+            "tv_auth.oauth_clients holds the client registry (manually seeded or created via RFC 7591 Dynamic Client Registration); public clients carry no secret and are authenticated by PKCE S256 alone.",
+            "tv_auth.oauth_auth_codes holds single-use 60-second authorization codes; tv_auth.oauth_grants is one row per connected app and owns the rotating refresh token, with the previous hash kept to detect replay.",
+            "Access tokens reuse tv_auth.api_tokens (new grant_id column) so validation, permission intersection and RejectApiTokenAuth all keep working unchanged; revoking a grant cascades to its live access tokens."
+        ]
+    },
+    "60": {
+        "version": "1.65.0",
+        "name": "Organization-level permissions",
+        "releaseDate": "20260830",
+        "scripts": [
+            "/1.65.0/0.organization-permissions.sql"
+        ],
+        "description": [
+            "New permission group 'organization' with org_can_view, org_can_manage, org_can_manage_members, sso_can_manage and webhooks_can_manage.",
+            "These surfaces were guarded only by an organization role or by project ownership, so they ignored the scope of an API or OAuth token: a token issued with a single permission could still create organizations, add admins, change SSO settings and create webhooks. The new keys make those actions narrowable like every other permission.",
+            "Backwards compatible: a token with an empty permission list stays unrestricted, so existing integrations keep working."
+        ]
     }
-}
+}

api/src/migrations/taskview/sql/1.55.0/0.alter-goals-add-is-inbox.sql

@@ -0,0 +1,4 @@
+ALTER TABLE tasks.goals
+    ADD COLUMN IF NOT EXISTS is_inbox BOOLEAN NOT NULL DEFAULT FALSE;
+    -- Flags a project as the user's personal Inbox. One Inbox per personal organization;
+    -- drives auto-create at signup, the backfill below, and the delete/archive guard.

api/src/migrations/taskview/sql/1.55.0/1.backfill-inbox-goals.sql

@@ -0,0 +1,17 @@
+-- For every personal organization that has no Inbox yet, create one.
+-- The AFTER INSERT triggers on tasks.goals fully provision the goal, exactly like
+-- a normal project: default kanban statuses (kanban_add_default_columns), the owner
+-- added to collaboration (add_self_to_collaboration), and the default editor/executor
+-- roles with their permissions (add_roles_after_insert). The owner also has full
+-- permissions implicitly.
+-- Idempotent: orgs that already have an Inbox are skipped.
+INSERT INTO tasks.goals (name, owner, organization_id, is_inbox)
+SELECT 'Inbox', o.owner_id, o.id, TRUE
+FROM tv_auth.organizations o
+WHERE o.is_personal = 1
+  AND NOT EXISTS (
+      SELECT 1
+      FROM tasks.goals g
+      WHERE g.organization_id = o.id
+        AND g.is_inbox = TRUE
+  );

api/src/migrations/taskview/sql/1.55.0/2.unique-inbox-per-org.sql

@@ -0,0 +1,7 @@
+-- Hard guarantee of at most one Inbox per organization. Defends the
+-- check-then-insert in GoalsRepository.createInboxGoal against concurrent
+-- signups/calls that could both pass the findInboxGoal precheck and insert.
+-- Safe to create here: it runs after the idempotent backfill, so no duplicates exist.
+CREATE UNIQUE INDEX IF NOT EXISTS goals_one_inbox_per_org_uidx
+ON tasks.goals (organization_id)
+WHERE is_inbox;

api/src/migrations/taskview/sql/1.56.0/0.create-messaging-tables.sql

@@ -0,0 +1,47 @@
+-- Messaging integrations (Slack / Telegram): outbound delivery targets, pending
+-- binding tokens, and the map between a TaskView user and their external account.
+-- See promo/integrations.md for the full design.
+
+CREATE TABLE IF NOT EXISTS tasks.messaging_connections (
+    id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    provider VARCHAR(20) NOT NULL,
+    owner_type VARCHAR(20) NOT NULL,
+    owner_id INTEGER NOT NULL,
+    target_chat_id VARCHAR(255) NOT NULL,
+    title VARCHAR(255),
+    external_team_id VARCHAR(255),
+    access_token_encrypted VARCHAR,
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    created_at TIMESTAMP DEFAULT NOW(),
+    updated_at TIMESTAMP DEFAULT NOW()
+);
+
+-- One delivery target per (provider, owner, chat) — re-connecting the same chat updates instead of duplicating.
+CREATE UNIQUE INDEX IF NOT EXISTS messaging_connection_unique
+    ON tasks.messaging_connections (provider, owner_type, owner_id, target_chat_id);
+
+-- Pending binding intent, redeemed from the messenger. Owner is polymorphic
+-- (user / project / organization); permission to bind is checked when the token is minted.
+CREATE TABLE IF NOT EXISTS tasks.messaging_link_tokens (
+    id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    token VARCHAR(128) NOT NULL UNIQUE,
+    provider VARCHAR(20) NOT NULL,
+    owner_type VARCHAR(20) NOT NULL,
+    owner_id INTEGER NOT NULL,
+    created_by INTEGER NOT NULL REFERENCES tv_auth.users(id) ON DELETE CASCADE,
+    expires_at TIMESTAMP NOT NULL,
+    created_at TIMESTAMP DEFAULT NOW()
+);
+
+CREATE TABLE IF NOT EXISTS tasks.messaging_identity_map (
+    id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    user_id INTEGER NOT NULL REFERENCES tv_auth.users(id) ON DELETE CASCADE,
+    provider VARCHAR(20) NOT NULL,
+    external_user_id VARCHAR(255),
+    linked_at TIMESTAMP,
+    created_at TIMESTAMP DEFAULT NOW()
+);
+
+-- One identity per provider per user.
+CREATE UNIQUE INDEX IF NOT EXISTS messaging_identity_unique
+    ON tasks.messaging_identity_map (user_id, provider);

api/src/migrations/taskview/sql/1.56.0/1.alter-messaging-add-events.sql

@@ -0,0 +1,5 @@
+-- Per-connection event subscription: which events this messaging connection delivers.
+-- Default covers the common task events; users opt into sprint events in the UI.
+ALTER TABLE tasks.messaging_connections
+    ADD COLUMN IF NOT EXISTS events VARCHAR[] NOT NULL
+    DEFAULT ARRAY['task.created','task.assigned','task.statusChanged','task.completed']::VARCHAR[];

api/src/migrations/taskview/sql/1.57.0/0.unique-users-to-goals.sql

@@ -0,0 +1,15 @@
+-- A user is either a member of a project or not — there is no meaning to two
+-- membership rows for the same (user_id, goal_id). Roles live in a separate table
+-- (collaboration.users_to_roles), so multi-role membership does not need duplicate rows.
+-- Dedupe any existing duplicates (the table has no PK, so key off ctid), then enforce
+-- uniqueness. Insert paths use ON CONFLICT DO NOTHING so re-adding a member is idempotent.
+
+DELETE FROM collaboration.users_to_goals
+WHERE ctid NOT IN (
+    SELECT MIN(ctid)
+    FROM collaboration.users_to_goals
+    GROUP BY user_id, goal_id
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS users_to_goals_user_goal_uidx
+    ON collaboration.users_to_goals (user_id, goal_id);

api/src/migrations/taskview/sql/1.58.0/0.alter-messaging-add-post-content.sql

@@ -0,0 +1,5 @@
+-- Project channels: opt-out flag for including the RBAC-gated task description in the
+-- channel message. Default TRUE (channel is a deliberate broadcast). Personal DMs are
+-- unaffected — they always gate the description per recipient (COMPONENT_CAN_WATCH_CONTENT).
+ALTER TABLE tasks.messaging_connections
+    ADD COLUMN IF NOT EXISTS post_content BOOLEAN NOT NULL DEFAULT TRUE;

api/src/migrations/taskview/sql/1.59.0/0.alter-messaging-identity-add-team.sql

@@ -0,0 +1 @@
+ALTER TABLE tasks.messaging_identity_map ADD COLUMN IF NOT EXISTS external_team_id VARCHAR(255);

api/src/migrations/taskview/sql/1.60.0/0.alter-recurrence-add-schedule-mode.sql

@@ -0,0 +1,10 @@
+-- 'fixed' — occurrences follow the calendar schedule (rrule anchored at dtstart);
+-- 'after-completion' — the next occurrence is one FREQ/INTERVAL step after the
+-- day the current instance was completed (Todoist "every!"), no calendar anchor.
+ALTER TABLE tasks.recurrence_rules
+    ADD COLUMN IF NOT EXISTS schedule_mode VARCHAR(20) NOT NULL DEFAULT 'fixed';
+
+ALTER TABLE tasks.recurrence_rules
+    DROP CONSTRAINT IF EXISTS recurrence_schedule_mode_valid;
+ALTER TABLE tasks.recurrence_rules
+    ADD CONSTRAINT recurrence_schedule_mode_valid CHECK (schedule_mode IN ('fixed', 'after-completion'));

api/src/migrations/taskview/sql/1.61.0/0.alter-integrations-provider-check-gitea.sql

@@ -0,0 +1,2 @@
+ALTER TABLE tasks.integrations DROP CONSTRAINT IF EXISTS integrations_provider_check;
+ALTER TABLE tasks.integrations ADD CONSTRAINT integrations_provider_check CHECK (provider IN ('github', 'gitlab', 'gitea'));

api/src/migrations/taskview/sql/1.62.0/0.create-invite-emails.sql

@@ -0,0 +1,13 @@
+-- Log of sent project-invite emails, used to rate-limit sending:
+-- a 24h per-recipient cooldown and an hourly cap per initiator.
+-- Rows older than 24 hours are pruned opportunistically before each insert.
+CREATE TABLE IF NOT EXISTS collaboration.invite_emails (
+    id           INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+    initiator_id INTEGER NOT NULL REFERENCES tv_auth.users(id) ON DELETE CASCADE,
+    email        VARCHAR(255) NOT NULL,
+    goal_id      INTEGER NOT NULL REFERENCES tasks.goals(id) ON DELETE CASCADE,
+    sent_at      TIMESTAMP NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_invite_emails_initiator_sent ON collaboration.invite_emails(initiator_id, sent_at);
+CREATE INDEX IF NOT EXISTS idx_invite_emails_goal_email_sent ON collaboration.invite_emails(goal_id, email, sent_at);

api/src/migrations/taskview/sql/1.63.0/0.sso-domain-verification.sql

@@ -0,0 +1,3 @@
+ALTER TABLE tv_auth.sso_configs
+  ADD COLUMN IF NOT EXISTS domain_verify_token VARCHAR,
+  ADD COLUMN IF NOT EXISTS domain_verified_at TIMESTAMP;

api/src/migrations/taskview/sql/1.63.0/1.sso-domain-verified-unique.sql

@@ -0,0 +1,6 @@
+ALTER TABLE tv_auth.sso_configs
+  DROP CONSTRAINT IF EXISTS sso_configs_email_domain_restriction_key;
+
+CREATE UNIQUE INDEX IF NOT EXISTS sso_configs_verified_domain_uniq
+  ON tv_auth.sso_configs (email_domain_restriction)
+  WHERE domain_verified_at IS NOT NULL;

api/src/migrations/taskview/sql/1.64.0/0.create-oauth-clients.sql

@@ -0,0 +1,16 @@
+-- OAuth 2.1 client registry. Clients are either seeded manually by an operator
+-- or created through Dynamic Client Registration (RFC 7591) when it is enabled.
+-- Public clients (MCP clients such as ChatGPT or Claude) hold no secret and are
+-- authenticated by PKCE alone, so client_secret_hash stays NULL for them.
+CREATE TABLE IF NOT EXISTS tv_auth.oauth_clients (
+    id                 INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    client_id          VARCHAR(64) NOT NULL UNIQUE,
+    client_secret_hash VARCHAR(64),
+    name               VARCHAR(200) NOT NULL,
+    redirect_uris      VARCHAR[] NOT NULL DEFAULT '{}',
+    created_via        VARCHAR(16) NOT NULL DEFAULT 'manual',
+    created_at         TIMESTAMP NOT NULL DEFAULT NOW(),
+    CONSTRAINT oauth_clients_created_via_check CHECK (created_via IN ('manual', 'dcr'))
+);
+
+CREATE INDEX IF NOT EXISTS idx_oauth_clients_client_id ON tv_auth.oauth_clients(client_id);

api/src/migrations/taskview/sql/1.64.0/1.create-oauth-auth-codes.sql

@@ -0,0 +1,24 @@
+-- Short-lived, single-use authorization codes issued by the consent screen and
+-- redeemed once at the token endpoint. Only the hash is stored, mirroring
+-- tv_auth.api_tokens. used_at is set on redemption: a second redemption of the
+-- same code is treated as replay and revokes the grant it produced.
+CREATE TABLE IF NOT EXISTS tv_auth.oauth_auth_codes (
+    id                    INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    code_hash             VARCHAR(64) NOT NULL UNIQUE,
+    client_id             VARCHAR(64) NOT NULL REFERENCES tv_auth.oauth_clients(client_id) ON DELETE CASCADE,
+    user_id               INTEGER NOT NULL REFERENCES tv_auth.users(id) ON DELETE CASCADE,
+    redirect_uri          VARCHAR NOT NULL,
+    code_challenge        VARCHAR(128) NOT NULL,
+    code_challenge_method VARCHAR(8) NOT NULL DEFAULT 'S256',
+    allowed_permissions   VARCHAR[] NOT NULL DEFAULT '{}',
+    allowed_goal_ids      INTEGER[] NOT NULL DEFAULT '{}',
+    resource              VARCHAR,
+    expires_at            TIMESTAMP NOT NULL,
+    used_at               TIMESTAMP,
+    grant_id              INTEGER,
+    created_at            TIMESTAMP NOT NULL DEFAULT NOW(),
+    CONSTRAINT oauth_auth_codes_challenge_method_check CHECK (code_challenge_method = 'S256')
+);
+
+CREATE INDEX IF NOT EXISTS idx_oauth_auth_codes_code_hash ON tv_auth.oauth_auth_codes(code_hash);
+CREATE INDEX IF NOT EXISTS idx_oauth_auth_codes_expires_at ON tv_auth.oauth_auth_codes(expires_at);

api/src/migrations/taskview/sql/1.64.0/2.create-oauth-grants.sql

@@ -0,0 +1,33 @@
+-- One row per (user, client) authorization — this is what the user sees and
+-- revokes as a "connected app". The refresh token hangs off the grant and is
+-- rotated on every use; refresh_token_prev_hash keeps the previous value so a
+-- replayed refresh token can be detected and the whole grant revoked.
+CREATE TABLE IF NOT EXISTS tv_auth.oauth_grants (
+    id                      INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+    user_id                 INTEGER NOT NULL REFERENCES tv_auth.users(id) ON DELETE CASCADE,
+    client_id               VARCHAR(64) NOT NULL REFERENCES tv_auth.oauth_clients(client_id) ON DELETE CASCADE,
+    allowed_permissions     VARCHAR[] NOT NULL DEFAULT '{}',
+    allowed_goal_ids        INTEGER[] NOT NULL DEFAULT '{}',
+    resource                VARCHAR,
+    refresh_token_hash      VARCHAR(64) UNIQUE,
+    refresh_token_prev_hash VARCHAR(64),
+    refresh_expires_at      TIMESTAMP,
+    last_used_at            TIMESTAMP,
+    revoked_at              TIMESTAMP,
+    created_at              TIMESTAMP NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_oauth_grants_user_id ON tv_auth.oauth_grants(user_id);
+CREATE INDEX IF NOT EXISTS idx_oauth_grants_refresh_token_hash ON tv_auth.oauth_grants(refresh_token_hash);
+CREATE INDEX IF NOT EXISTS idx_oauth_grants_prev_refresh_hash ON tv_auth.oauth_grants(refresh_token_prev_hash);
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'oauth_auth_codes_grant_id_fkey'
+    ) THEN
+        ALTER TABLE tv_auth.oauth_auth_codes
+            ADD CONSTRAINT oauth_auth_codes_grant_id_fkey
+            FOREIGN KEY (grant_id) REFERENCES tv_auth.oauth_grants(id) ON DELETE SET NULL;
+    END IF;
+END $$;

api/src/migrations/taskview/sql/1.64.0/3.alter-api-tokens-grant-id.sql

@@ -0,0 +1,19 @@
+-- OAuth access tokens live in tv_auth.api_tokens alongside manually issued
+-- tvk_ tokens: same opaque-token storage, same validation path, same permission
+-- intersection. grant_id ties an access token to the OAuth grant that minted it,
+-- so revoking a connected app deletes its live access tokens immediately.
+ALTER TABLE tv_auth.api_tokens
+    ADD COLUMN IF NOT EXISTS grant_id INTEGER;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint WHERE conname = 'api_tokens_grant_id_fkey'
+    ) THEN
+        ALTER TABLE tv_auth.api_tokens
+            ADD CONSTRAINT api_tokens_grant_id_fkey
+            FOREIGN KEY (grant_id) REFERENCES tv_auth.oauth_grants(id) ON DELETE CASCADE;
+    END IF;
+END $$;
+
+CREATE INDEX IF NOT EXISTS idx_api_tokens_grant_id ON tv_auth.api_tokens(grant_id);

api/src/migrations/taskview/sql/1.65.0/0.organization-permissions.sql

@@ -0,0 +1,86 @@
+-- Permissions for the surfaces that were previously guarded only by an
+-- organization role or by project ownership, and therefore ignored the scope of
+-- an API / OAuth token entirely: a token issued with a single permission could
+-- still create organizations, add admins, configure SSO and create webhooks.
+--
+-- These keys let a token be narrowed on those actions too. They never grant
+-- anything: the role and ownership checks still run first, and RequireTokenPermission
+-- only removes what the token was not given.
+INSERT INTO tv_auth.permissions_group (id, name)
+VALUES (6, 'organization')
+ON CONFLICT (id) DO NOTHING;
+
+INSERT INTO tv_auth.permissions (name, description, permission_group, description_locales)
+VALUES (
+    'org_can_view',
+    'View the organization and its members',
+    6,
+    '{
+        "en": "View organization. See the organization and the list of its members.",
+        "ru": "Просмотр организации. Видеть организацию и список её участников.",
+        "de": "Organisation ansehen. Die Organisation und ihre Mitglieder sehen.",
+        "es": "Ver la organización. Ver la organización y la lista de sus miembros.",
+        "pt-BR": "Ver a organização. Ver a organização e a lista de seus membros."
+    }'::jsonb
+)
+ON CONFLICT (name) DO NOTHING;
+
+INSERT INTO tv_auth.permissions (name, description, permission_group, description_locales)
+VALUES (
+    'org_can_manage',
+    'Create, rename and delete organizations',
+    6,
+    '{
+        "en": "Manage organizations. Create, rename and delete organizations.",
+        "ru": "Управление организациями. Создавать, переименовывать и удалять организации.",
+        "de": "Organisationen verwalten. Organisationen erstellen, umbenennen und löschen.",
+        "es": "Gestionar organizaciones. Crear, renombrar y eliminar organizaciones.",
+        "pt-BR": "Gerenciar organizações. Criar, renomear e excluir organizações."
+    }'::jsonb
+)
+ON CONFLICT (name) DO NOTHING;
+
+INSERT INTO tv_auth.permissions (name, description, permission_group, description_locales)
+VALUES (
+    'org_can_manage_members',
+    'Add and remove organization members and change their roles',
+    6,
+    '{
+        "en": "Manage members. Add and remove organization members and change their roles.",
+        "ru": "Управление участниками. Добавлять и удалять участников организации, менять их роли.",
+        "de": "Mitglieder verwalten. Mitglieder hinzufügen, entfernen und deren Rollen ändern.",
+        "es": "Gestionar miembros. Añadir y quitar miembros de la organización y cambiar sus roles.",
+        "pt-BR": "Gerenciar membros. Adicionar e remover membros da organização e alterar seus papéis."
+    }'::jsonb
+)
+ON CONFLICT (name) DO NOTHING;
+
+INSERT INTO tv_auth.permissions (name, description, permission_group, description_locales)
+VALUES (
+    'sso_can_manage',
+    'Create and change the single sign-on configuration',
+    6,
+    '{
+        "en": "Manage SSO. Create and change the single sign-on configuration of the organization.",
+        "ru": "Управление SSO. Создавать и изменять настройки единого входа организации.",
+        "de": "SSO verwalten. Die Single-Sign-on-Konfiguration der Organisation erstellen und ändern.",
+        "es": "Gestionar SSO. Crear y cambiar la configuración de inicio de sesión único de la organización.",
+        "pt-BR": "Gerenciar SSO. Criar e alterar a configuração de login único da organização."
+    }'::jsonb
+)
+ON CONFLICT (name) DO NOTHING;
+
+INSERT INTO tv_auth.permissions (name, description, permission_group, description_locales)
+VALUES (
+    'webhooks_can_manage',
+    'Create, edit and delete project webhooks',
+    6,
+    '{
+        "en": "Manage webhooks. Create, edit and delete webhooks of a project.",
+        "ru": "Управление вебхуками. Создавать, изменять и удалять вебхуки проекта.",
+        "de": "Webhooks verwalten. Webhooks eines Projekts erstellen, bearbeiten und löschen.",
+        "es": "Gestionar webhooks. Crear, editar y eliminar webhooks de un proyecto.",
+        "pt-BR": "Gerenciar webhooks. Criar, editar e excluir webhooks de um projeto."
+    }'::jsonb
+)
+ON CONFLICT (name) DO NOTHING;

api/src/modules/public-url.ts

@@ -0,0 +1,28 @@
+import type { Request } from 'express';
+
+export class PublicApiUrl {
+    static configured(): string | null {
+        const raw = process.env.API_PUBLIC_URL;
+        if (!raw || !raw.trim()) return null;
+        return raw.trim().replace(/\/+$/, '');
+    }
+
+    static base(req: Request): string {
+        return PublicApiUrl.configured() ?? `${req.protocol}://${req.get('host')}`;
+    }
+
+    static validateOnStartup(): void {
+        const raw = process.env.API_PUBLIC_URL;
+        if (!raw || !raw.trim()) return;
+
+        let parsed: URL;
+        try {
+            parsed = new URL(raw.trim());
+        } catch {
+            throw new Error(`API_PUBLIC_URL is not a valid URL: "${raw}"`);
+        }
+        if (parsed.protocol !== 'http:' && parsed.protocol !== 'https:') {
+            throw new Error(`API_PUBLIC_URL must be an http(s) URL, got: "${raw}"`);
+        }
+    }
+}

api/src/routes/index.ts

@@ -6,7 +6,10 @@ import GraphRoutes from '../tv-modules/graph/GraphRoutes';
 import IntegrationsRoutes from '../tv-modules/integrations/IntegrationsRoutes';
 import NotificationsRoutes from '../tv-modules/notifications/NotificationsRoutes';
 import WebhooksRoutes from '../tv-modules/webhooks/WebhooksRoutes';
+import MessagingRoutes from '../tv-modules/messaging/MessagingRoutes';
 import ApiTokensRoutes from '../tv-modules/api-tokens/ApiTokensRoutes';
+import OAuthRoutes from '../tv-modules/oauth/OAuthRoutes';
+import OAuthWellKnownRoutes from '../tv-modules/oauth/OAuthWellKnownRoutes';
 import SessionsRoutes from '../tv-modules/sessions/SessionsRoutes';
 import KanbanRoutes from '../tv-modules/kanban/KanbanRoutes';
 import GoalListRoutes from '../tv-modules/lists/GoalListRoutes';
@@ -39,7 +42,9 @@ const routes: Record<string, RoutableConstructor> = {
     '/module/integrations': IntegrationsRoutes,
     '/module/notifications': NotificationsRoutes,
     '/module/webhooks': WebhooksRoutes,
+    '/module/messaging': MessagingRoutes,
     '/module/api-tokens': ApiTokensRoutes,
+    '/module/oauth': OAuthRoutes,
     '/module/sessions': SessionsRoutes,
     '/module/organizations': OrganizationRoutes,
     '/module/sso': SsoRoutes,
@@ -49,6 +54,7 @@ const routes: Record<string, RoutableConstructor> = {
     '/module/sprints': SprintsRoutes,
     '/module/recurrence': RecurrenceRoutes,
     '/scim/v2': ScimRoutes,
+    '/.well-known': OAuthWellKnownRoutes,
 };
 
 export default routes;

api/src/tv-modules/analytics/sections/SectionRegistry.ts

@@ -5,18 +5,12 @@ import { OverdueKpi } from './kpi/OverdueKpi'
 import { ThroughputSection } from './productivity/ThroughputSection'
 import { PriorityMixOverTimeSection } from './productivity/PriorityMixOverTimeSection'
 import { WorkloadByAssigneeSection } from './workload/WorkloadByAssigneeSection'
-import { BlockedByDependenciesSection } from './workload/BlockedByDependenciesSection'
-import { OverdueByAgeSection } from './quality/OverdueByAgeSection'
 import { StaleTasksSection } from './quality/StaleTasksSection'
 import { StatusDistributionSection } from './usage/StatusDistributionSection'
-import { ActiveProjectsSection } from './usage/ActiveProjectsSection'
 import { IncomeExpenseMonthSection } from './financial/IncomeExpenseMonthSection'
 import { IncomeExpensePerProjectSection } from './financial/IncomeExpensePerProjectSection'
 import { IncomePerProjectMonthSection } from './financial/IncomePerProjectMonthSection'
 import { ExpensePerProjectMonthSection } from './financial/ExpensePerProjectMonthSection'
-import { IncomePerTagMonthSection } from './financial/IncomePerTagMonthSection'
-import { ExpensePerTagMonthSection } from './financial/ExpensePerTagMonthSection'
-import { TopProjectsByAmountSection } from './financial/TopProjectsByAmountSection'
 import { AmountCoverageKpi } from './financial/AmountCoverageKpi'
 import { TotalIncomeKpi } from './financial/TotalIncomeKpi'
 import { TotalExpenseKpi } from './financial/TotalExpenseKpi'
@@ -59,6 +53,12 @@ import { sectionLocales } from './locales'
 //    - entered_at) for rows in that status. Without a transition log, this
 //    metric cannot be computed correctly.
 // ---------------------------------------------------------------------------
+// import { BlockedByDependenciesSection } from './workload/BlockedByDependenciesSection'
+// import { ActiveProjectsSection } from './usage/ActiveProjectsSection'
+// import { OverdueByAgeSection } from './quality/OverdueByAgeSection'
+// import { TopProjectsByAmountSection } from './financial/TopProjectsByAmountSection'
+// import { IncomePerTagMonthSection } from './financial/IncomePerTagMonthSection'
+// import { ExpensePerTagMonthSection } from './financial/ExpensePerTagMonthSection'
 // import { AgingOpenTasksSection } from './workload/AgingOpenTasksSection'
 // import { TimeInKanbanStatusSection } from './workload/TimeInKanbanStatusSection'
 // import { CycleTimeKpi } from './kpi/CycleTimeKpi'
@@ -82,25 +82,25 @@ const builders: SectionBuilder[] = [
   new PriorityMixOverTimeSection(),
   // Workload
   new WorkloadByAssigneeSection(),
-  new BlockedByDependenciesSection(),
+  // new BlockedByDependenciesSection(), // disabled
   // new TimeInKanbanStatusSection(), // disabled — see top-of-file comment
   // new AgingOpenTasksSection(), // disabled — see top-of-file comment
   // Quality
-  new OverdueByAgeSection(),
+  // new OverdueByAgeSection(), // disabled
   // new CycleTimeHistogramSection(), // disabled — see top-of-file comment
   new StaleTasksSection(),
   // new CycleTimePerProjectSection(), // disabled — see top-of-file comment
   // Usage
   new StatusDistributionSection(),
-  new ActiveProjectsSection(),
+  // new ActiveProjectsSection(), // disabled
   // Financial
   new IncomeExpenseMonthSection(),
   new IncomeExpensePerProjectSection(),
   new IncomePerProjectMonthSection(),
   new ExpensePerProjectMonthSection(),
-  new IncomePerTagMonthSection(),
-  new ExpensePerTagMonthSection(),
-  new TopProjectsByAmountSection(),
+  // new IncomePerTagMonthSection(), // disabled
+  // new ExpensePerTagMonthSection(), // disabled
+  // new TopProjectsByAmountSection(), // disabled
 ]
 
 export class SectionRegistry {

api/src/tv-modules/analytics/sections/financial/tagAmountPayload.ts

@@ -2,7 +2,7 @@ import type { AnalyticsDataset, AnalyticsSeriesPayload, LocalizedText } from 'ta
 import type { AmountPerTagMonthSectionRow } from '../row.types'
 import { UNTAGGED_TAG_ID } from '../../types'
 
-const UNTAGGED_LABEL: LocalizedText = { ru: 'Без тегов', en: 'Untagged' }
+const UNTAGGED_LABEL: LocalizedText = { ru: 'Без тегов', en: 'Untagged', de: 'Ohne Tags', es: 'Sin etiquetas' }
 
 export type BuildTagAmountPayloadArgs = {
   rows: AmountPerTagMonthSectionRow[]

api/src/tv-modules/api-tokens/ApiTokensController.ts

@@ -2,7 +2,6 @@ import type { Request, Response } from 'express';
 import { ArkErrors } from 'arktype';
 import { getApiTokensManager } from './ApiTokensManager';
 import { ApiTokenArkTypeCreate, ApiTokenArkTypeDelete } from './types';
-import { Database } from '../../modules/db';
 
 export class ApiTokensController {
     private get manager() { return getApiTokensManager(); }
@@ -44,10 +43,7 @@ export class ApiTokensController {
     };
 
     fetchPermissions = async (_req: Request, res: Response) => {
-        const db = Database.getInstance();
-        const result = await db.query<{ id: number; name: string; description: string; permissionGroup: number }>(
-            `SELECT id, name, description, permission_group as "permissionGroup" FROM tv_auth.permissions WHERE permission_group <> 1 ORDER BY permission_group, id`
-        );
-        return res.tvJson(result?.rows ?? []);
+        const result = await this.manager.fetchSelectablePermissions();
+        return res.tvJson(result);
     };
 }

api/src/tv-modules/api-tokens/ApiTokensManager.ts

@@ -1,7 +1,7 @@
 import { randomBytes, createHash } from 'crypto';
 import { ApiTokensRepository } from './ApiTokensRepository';
 import { TOKEN_PREFIX, type ApiTokenArgCreate } from './types';
-import type { ApiTokensSchemaTypeForSelect } from 'taskview-db-schemas';
+import type { ApiTokensSchemaTypeForSelect, PermissionsSchemaTypeForSelect } from 'taskview-db-schemas';
 
 export type ApiTokenForClient = Omit<ApiTokensSchemaTypeForSelect, 'tokenHash'>;
 
@@ -42,6 +42,10 @@ export class ApiTokensManager {
         return tokens.map((t) => this.toClient(t));
     }
 
+    async fetchSelectablePermissions(): Promise<PermissionsSchemaTypeForSelect[]> {
+        return this.repository.fetchSelectablePermissions();
+    }
+
     async validateToken(fullToken: string): Promise<ApiTokensSchemaTypeForSelect | null> {
         const tokenHash = createHash('sha256').update(fullToken).digest('hex');
         const record = await this.repository.findByTokenHash(tokenHash);

api/src/tv-modules/api-tokens/ApiTokensRepository.ts

@@ -1,5 +1,10 @@
-import { and, eq } from 'drizzle-orm';
-import { ApiTokensSchema, type ApiTokensSchemaTypeForSelect } from 'taskview-db-schemas';
+import { and, asc, eq, isNull, ne } from 'drizzle-orm';
+import {
+    ApiTokensSchema,
+    PermissionsSchema,
+    type ApiTokensSchemaTypeForSelect,
+    type PermissionsSchemaTypeForSelect,
+} from 'taskview-db-schemas';
 import { Database } from '../../modules/db';
 import { callWithCatch } from '../../utils/helpers';
 
@@ -20,15 +25,21 @@ export class ApiTokensRepository {
     async delete(id: number, userId: number): Promise<boolean> {
         const result = await callWithCatch(() =>
             this.db.dbDrizzle.delete(ApiTokensSchema).where(
-                and(eq(ApiTokensSchema.id, id), eq(ApiTokensSchema.userId, userId))
+                and(eq(ApiTokensSchema.id, id), eq(ApiTokensSchema.userId, userId), isNull(ApiTokensSchema.grantId))
             )
         );
         return !!result?.rowCount;
     }
 
+    /**
+     * Only manually issued tokens. OAuth access tokens live in the same table but
+     * belong to a grant - they are listed and revoked as connected apps instead.
+     */
     async fetchByUserId(userId: number): Promise<ApiTokensSchemaTypeForSelect[]> {
         const result = await callWithCatch(() =>
-            this.db.dbDrizzle.select().from(ApiTokensSchema).where(eq(ApiTokensSchema.userId, userId))
+            this.db.dbDrizzle.select().from(ApiTokensSchema).where(
+                and(eq(ApiTokensSchema.userId, userId), isNull(ApiTokensSchema.grantId))
+            )
         );
         return result ?? [];
     }
@@ -40,6 +51,21 @@ export class ApiTokensRepository {
         return result?.[0] ?? null;
     }
 
+    /**
+     * Permissions offered when scoping a token. Group 1 is excluded: those keys
+     * exist in the table but are enforced nowhere in the code, so offering them
+     * would promise a restriction that never happens.
+     */
+    async fetchSelectablePermissions(): Promise<PermissionsSchemaTypeForSelect[]> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.select()
+                .from(PermissionsSchema)
+                .where(ne(PermissionsSchema.permissionGroup, 1))
+                .orderBy(asc(PermissionsSchema.permissionGroup), asc(PermissionsSchema.id))
+        );
+        return result ?? [];
+    }
+
     async updateLastUsedAt(id: number): Promise<void> {
         await callWithCatch(() =>
             this.db.dbDrizzle.update(ApiTokensSchema)

api/src/tv-modules/auth/AuthController.ts

@@ -6,7 +6,11 @@ import { z } from 'zod';
 import { Email } from '../../core/Email';
 import { $logger } from '../../modules/logget';
 import {
+    ChangeDefaultUserCredentialsSchema,
+    ChangeOwnPasswordByPasswordSchema,
+    ChangeOwnPasswordSchema,
     ChangePasswordDataScheme,
+    type PasswordChangeConfirmationMode,
     ConfirmEmailReqDataSchema,
     RefreshTokenSchema,
     RemindPasswordSchema,
@@ -15,13 +19,19 @@ import {
     UserJwtPayloadSchema,
 } from '../../types/auth.types';
 import { generateString, isEmail, time } from '../../utils/helpers';
+import { LoginMethods } from './LoginMethods';
 import EnEmailTemplate from './mail/confirm-email-en';
 import RuEmailTemplate from './mail/confirm-email-ru';
 import LoginCodeEmailTemplate from './mail/login-code-en';
 import type { ExternalAuthUser } from './strategies/external-auth.types';
 import { OrganizationRepository } from '../organizations/OrganizationRepository';
+import { GoalsRepository } from '../goals/GoalsRepository';
 
 const LOGIN_CODE_TTL_MS = 5 * 60 * 1000;
+const PASSWORD_CHANGE_CODE_TTL_S = 15 * 60;
+const PASSWORD_CHANGE_CODE_RESEND_COOLDOWN_S = 60;
+// Seeded by migration 0.0.0 (app_permissions.sql) on self-hosted installs.
+const DEFAULT_USER_EMAIL = 'test@mail.dest';
 
 export default class AuthController {
     private readonly jwtAlg: Algorithm = process.env.JWT_ALG as Algorithm;
@@ -30,12 +40,14 @@ export default class AuthController {
 
     private readonly refreshTokenCookieName: string = 'taskview-refresh';
     private readonly orgRepository: OrganizationRepository = new OrganizationRepository();
+    private readonly goalsRepository: GoalsRepository = new GoalsRepository();
 
     private async createPersonalWorkspace(userId: number, email: string, login: string) {
         const slug = `org-${crypto.randomUUID().slice(0, 8)}`
         const org = await this.orgRepository.create({ name: `${login}'s workspace`, slug }, userId, true)
         if (org) {
             await this.orgRepository.addMember(org.id, email, 'owner')
+            await this.goalsRepository.createInboxGoal({ ownerId: userId, organizationId: org.id })
         }
     }
 
@@ -141,6 +153,11 @@ export default class AuthController {
         }
 
         if (!userData) {
+            if (!(await this.canCreateAccount(req, email))) {
+                $logger.info(`[AuthController:sendLoginCode] public registration disabled, email not invited`);
+                return res.status(403).send({ registrationDisabled: true });
+            }
+
             const password = this.makeidLogin(7),
                 login = this.makeidLogin(7);
 
@@ -215,6 +232,11 @@ export default class AuthController {
         );
 
         if (!userData) {
+            if (!(await this.canCreateAccount(req, user.email))) {
+                $logger.info(`[AuthController:loginByProvider] public registration disabled, email not invited`);
+                return res.redirect(`${process.env.APP_URL}/login?sso_error=registration-disabled`);
+            }
+
             const password = this.makeidLogin(7);
             const login = this.makeidLogin(7);
 
@@ -310,7 +332,7 @@ export default class AuthController {
     loginByCode = async (req: Request, res: Response) => {
         const schema = z.object({
             email: z.string().trim().email().toLowerCase(),
-            code: z.string().trim().regex(/^\d{6}$/, '6-digit code'),
+            code: z.string().trim().min(6).max(64),
         });
 
         const data = schema.safeParse(req.body);
@@ -345,6 +367,16 @@ export default class AuthController {
         // Invalidate code immediately to prevent replay attacks
         await req.appUser.authManager.repository.updateLoginCode(null, userData.email);
 
+        if (userData.block) {
+            if (!userData.confirm_email_code) {
+                return res.status(403).send({ message: 'account_blocked' });
+            }
+            const confirmed = await req.appUser.authManager.repository.markEmailConfirmed(userData.email);
+            if (!confirmed) {
+                return res.status(500).end();
+            }
+        }
+
         const sessionId = await req.appUser.authManager.sessionStorage.createSession(
             userData.id,
             req.ip,
@@ -418,6 +450,11 @@ export default class AuthController {
             return res.status(400).end();
         }
 
+        if (!(await this.canCreateAccount(req, email))) {
+            $logger.info(`[AuthController:registration] public registration disabled, email not invited`);
+            return res.status(403).send({ registrationDisabled: true });
+        }
+
         password = hashSync(password, 10);
 
         if (!(await this.comparePasswords(passwordRepeat, password))) {
@@ -653,6 +690,193 @@ export default class AuthController {
         return res.json(newTokens);
     };
 
+    getLoginOptions = async (_req: Request, res: Response) => {
+        return res.status(200).send({
+            magicLink: LoginMethods.isEnabled('magic-link'),
+            password: LoginMethods.isEnabled('password'),
+            sso: LoginMethods.isEnabled('sso'),
+            socialProviders: LoginMethods.availableSocialProviders(),
+            publicRegistration: LoginMethods.publicRegistrationAllowed(),
+        });
+    };
+
+    private canCreateAccount = async (req: Request, email: string): Promise<boolean> => {
+        if (LoginMethods.publicRegistrationAllowed()) return true;
+        return await req.appUser.authManager.repository.isEmailInvited(email);
+    };
+
+    private passwordChangeConfirmationMode(): PasswordChangeConfirmationMode {
+        return process.env.PASSWORD_CHANGE_CONFIRMATION === 'password' ? 'password' : 'email';
+    }
+
+    getPasswordChangeMode = async (_req: Request, res: Response) => {
+        return res.status(200).send({ mode: this.passwordChangeConfirmationMode() });
+    };
+
+    sendPasswordChangeCode = async (req: Request, res: Response) => {
+        if (this.passwordChangeConfirmationMode() !== 'email') {
+            return res.status(403).send();
+        }
+
+        const userEmail = req.appUser.getUserData()?.email;
+        if (!userEmail) {
+            return res.status(400).end();
+        }
+
+        const userData = await req.appUser.authManager.repository.getUserByLogin(userEmail, true);
+        if (!userData) {
+            return res.status(400).end();
+        }
+
+        const now = Math.floor(Date.now() / 1000);
+        const sinceLastCode = userData.remind_password_time ? now - userData.remind_password_time : null;
+        if (sinceLastCode !== null && sinceLastCode < PASSWORD_CHANGE_CODE_RESEND_COOLDOWN_S) {
+            return res.status(429).send({
+                message: 'Please wait before requesting another code.',
+                retryAfter: PASSWORD_CHANGE_CODE_RESEND_COOLDOWN_S - sinceLastCode,
+            });
+        }
+
+        // High-entropy code: the shared remind_password_code column is also redeemable
+        // via the unauthenticated /password/reset endpoint, so a short numeric code
+        // would be brute-forceable there.
+        const code = generateString(12);
+        const saved = await req.appUser.authManager.repository.setReminderCodeAndTime(userEmail, code, now);
+        if (!saved) {
+            $logger.error(`Can not save password change code for user ${userData.id}`);
+            return res.status(500).end();
+        }
+
+        const text = `Your TaskView password change code is ${code}\n\nUse this code to confirm your new password. The code expires in 15 minutes.\n\nIf you didn't request this change, ignore this email.`;
+
+        Email.send({
+            text,
+            to: userEmail,
+            subject: `Your TaskView password change code: ${code}`,
+            from: process.env.SMTP_FROM_EMAIL as string,
+        })
+            .then((ok) => {
+                if (!ok) $logger.error({ to: userEmail }, 'Failed to send password change code email');
+            })
+            .catch((err) => $logger.error({ err, to: userEmail }, 'Failed to send password change code email'));
+
+        return res.status(200).end();
+    };
+
+    changeOwnPassword = async (req: Request, res: Response) => {
+        const userEmail = req.appUser.getUserData()?.email;
+        if (!userEmail) {
+            return res.status(400).end();
+        }
+
+        const userData = await req.appUser.authManager.repository.getUserByLogin(userEmail, true);
+        if (!userData) {
+            return res.status(400).send();
+        }
+
+        if (this.passwordChangeConfirmationMode() === 'password') {
+            const parsedData = ChangeOwnPasswordByPasswordSchema.safeParse(req.body);
+            if (!parsedData.success) {
+                return res.status(400).send();
+            }
+
+            const validPassword = await this.comparePasswords(parsedData.data.currentPassword, userData.password);
+            if (!validPassword) {
+                return res.status(403).send({ field: 'currentPassword' });
+            }
+
+            return this.applyNewPassword(res, req, userData.id, parsedData.data.password);
+        }
+
+        const parsedData = ChangeOwnPasswordSchema.safeParse(req.body);
+        if (!parsedData.success) {
+            return res.status(400).send();
+        }
+
+        if (!userData.remind_password_code || !userData.remind_password_time) {
+            return res.status(400).send();
+        }
+
+        const now = Math.floor(Date.now() / 1000);
+        if (now > userData.remind_password_time + PASSWORD_CHANGE_CODE_TTL_S) {
+            return res.status(400).send();
+        }
+
+        if (userData.remind_password_code !== parsedData.data.code) {
+            return res.status(400).send();
+        }
+
+        await req.appUser.authManager.repository.setReminderCodeAndTime(userEmail, null, null);
+
+        return this.applyNewPassword(res, req, userData.id, parsedData.data.password);
+    };
+
+    private async applyNewPassword(res: Response, req: Request, userId: number, newPassword: string) {
+        const passwordHash = hashSync(newPassword, 10);
+        const result = await req.appUser.authManager.repository.updateUserPassword(passwordHash, userId);
+        if (!result) {
+            $logger.error(`Can not update password for user ${userId}`);
+            return res.status(500).send();
+        }
+
+        const currentSessionId = req.appUser.getTokenId();
+        await req.appUser.authManager.sessionStorage.deleteAllSessions(userId, currentSessionId);
+
+        return res.status(200).send({ changed: true });
+    }
+
+    changeDefaultUserCredentials = async (req: Request, res: Response) => {
+        const parsedData = ChangeDefaultUserCredentialsSchema.safeParse(req.body);
+        if (!parsedData.success) {
+            return res.status(400).send();
+        }
+
+        const userEmail = req.appUser.getUserData()?.email;
+        if (!userEmail) {
+            return res.status(400).end();
+        }
+
+        const userData = await req.appUser.authManager.repository.getUserByLogin(userEmail, true);
+        if (!userData || userData.email.toLowerCase() !== DEFAULT_USER_EMAIL) {
+            return res.status(403).send();
+        }
+
+        const validPassword = await this.comparePasswords(parsedData.data.currentPassword, userData.password);
+        if (!validPassword) {
+            return res.status(403).send({ field: 'currentPassword' });
+        }
+
+        const { login, email } = parsedData.data;
+
+        if (login !== userData.login && (await req.appUser.authManager.repository.getUserByLogin(login))) {
+            return res.status(409).send({ field: 'login' });
+        }
+        if (email !== userData.email && (await req.appUser.authManager.repository.getUserByLogin(email, true))) {
+            return res.status(409).send({ field: 'email' });
+        }
+
+        const updated = await req.appUser.authManager.repository.updateUserCredentials({
+            userId: userData.id,
+            oldEmail: userData.email,
+            login,
+            email,
+            passwordHash: hashSync(parsedData.data.password, 10),
+        });
+        if (updated === 'conflict') {
+            return res.status(409).send({ field: 'email' });
+        }
+        if (updated !== 'ok') {
+            return res.status(500).send();
+        }
+
+        // JWTs carry login/email and refresh does not re-read them from the DB,
+        // so drop every session and make the user sign in with the new credentials.
+        await req.appUser.authManager.sessionStorage.deleteAllSessions(userData.id);
+        this.clearRefreshToken(res);
+
+        return res.status(200).send({ changed: true });
+    };
+
     sendDeleteAccountCode = async (req: Request, res: Response) => {
         const userId = req.appUser.getUserData()?.id;
         const userEmail = req.appUser.getUserData()?.email;

api/src/tv-modules/auth/AuthModel.ts

@@ -1,6 +1,8 @@
+import { eq, sql } from 'drizzle-orm';
+import { CollaborationUsersSchema, OrganizationMembersSchema, SsoIdentitiesSchema, UsersSchema } from 'taskview-db-schemas';
 import { Database } from '../../modules/db';
 import { $logger } from '../../modules/logget';
-import type { RegisterUserInDb, UserDbRecord } from '../../types/auth.types';
+import type { RegisterUserInDb, UpdateUserCredentialsArgs, UpdateUserEmailArgs, UpdateUserCredentialsResult, UserDbRecord } from '../../types/auth.types';
 
 export default class AuthModel {
     private readonly db: Database;
@@ -67,6 +69,28 @@ export default class AuthModel {
         }
     }
 
+    async isEmailInvited(email: string): Promise<boolean> {
+        const normalized = email.toLowerCase();
+        try {
+            const orgMembers = await this.db.dbDrizzle
+                .select({ email: OrganizationMembersSchema.email })
+                .from(OrganizationMembersSchema)
+                .where(sql`lower(${OrganizationMembersSchema.email}) = ${normalized}`)
+                .limit(1);
+            if (orgMembers.length > 0) return true;
+
+            const collaborators = await this.db.dbDrizzle
+                .select({ email: CollaborationUsersSchema.email })
+                .from(CollaborationUsersSchema)
+                .where(sql`lower(${CollaborationUsersSchema.email}) = ${normalized}`)
+                .limit(1);
+            return collaborators.length > 0;
+        } catch (error: unknown) {
+            $logger.error(error, '[AuthModel:isEmailInvited] failed to check invitations');
+            return false;
+        }
+    }
+
     async fetchUserById(id: number): Promise<UserDbRecord | false> {
         const query = 'SELECT * FROM tv_auth.users WHERE id = $1;';
         try {
@@ -95,6 +119,21 @@ export default class AuthModel {
         }
     }
 
+    async markEmailConfirmed(email: string): Promise<boolean> {
+        if (!email) return false;
+
+        try {
+            const result = await this.db.dbDrizzle
+                .update(UsersSchema)
+                .set({ confirmEmailCode: null, block: 0 })
+                .where(eq(UsersSchema.email, email));
+            return (result.rowCount ?? 0) > 0;
+        } catch (error) {
+            $logger.error(error, `Error marking email confirmed for ${email}`);
+            return false;
+        }
+    }
+
     async confirmEmail(login: string, code: string, block: number): Promise<boolean> {
         const query = `UPDATE tv_auth.users 
                    SET confirm_email_code = NULL, block = $1 
@@ -133,6 +172,69 @@ export default class AuthModel {
         }
     }
 
+    async updateUserCredentials(args: UpdateUserCredentialsArgs): Promise<UpdateUserCredentialsResult> {
+        try {
+            await this.db.dbDrizzle.transaction(async (tx) => {
+                await tx
+                    .update(UsersSchema)
+                    .set({ login: args.login, email: args.email, password: args.passwordHash })
+                    .where(eq(UsersSchema.id, args.userId));
+                await tx
+                    .update(OrganizationMembersSchema)
+                    .set({ email: args.email })
+                    .where(eq(OrganizationMembersSchema.email, args.oldEmail));
+                await tx
+                    .update(CollaborationUsersSchema)
+                    .set({ email: args.email })
+                    .where(eq(CollaborationUsersSchema.email, args.oldEmail));
+                await tx
+                    .update(SsoIdentitiesSchema)
+                    .set({ email: args.email })
+                    .where(eq(SsoIdentitiesSchema.userId, args.userId));
+            });
+            return 'ok';
+        } catch (error) {
+            // unique(organization_id, email): the new email is already an invited member of one of the user's orgs
+            const pgCode = (error as { code?: string })?.code ?? (error as { cause?: { code?: string } })?.cause?.code;
+            if (pgCode === '23505') {
+                return 'conflict';
+            }
+            $logger.error(error, `Can not update credentials for user ${args.userId}`);
+            return 'error';
+        }
+    }
+
+    async updateUserEmail(args: UpdateUserEmailArgs): Promise<UpdateUserCredentialsResult> {
+        try {
+            await this.db.dbDrizzle.transaction(async (tx) => {
+                await tx
+                    .update(UsersSchema)
+                    .set({ email: args.email })
+                    .where(eq(UsersSchema.id, args.userId));
+                await tx
+                    .update(OrganizationMembersSchema)
+                    .set({ email: args.email })
+                    .where(eq(OrganizationMembersSchema.email, args.oldEmail));
+                await tx
+                    .update(CollaborationUsersSchema)
+                    .set({ email: args.email })
+                    .where(eq(CollaborationUsersSchema.email, args.oldEmail));
+                await tx
+                    .update(SsoIdentitiesSchema)
+                    .set({ email: args.email })
+                    .where(eq(SsoIdentitiesSchema.userId, args.userId));
+            });
+            return 'ok';
+        } catch (error) {
+            const pgCode = (error as { code?: string })?.code ?? (error as { cause?: { code?: string } })?.cause?.code;
+            if (pgCode === '23505') {
+                return 'conflict';
+            }
+            $logger.error(error, `Can not update email for user ${args.userId}`);
+            return 'error';
+        }
+    }
+
     async updateUserPassword(password: string, userId: number): Promise<boolean> {
         try {
             const query = 'UPDATE tv_auth.users SET password = $1 WHERE id = $2';

api/src/tv-modules/auth/AuthRoutes.ts

@@ -2,6 +2,8 @@ import { Router, type NextFunction, type Request, type Response } from 'express'
 import type { Routable } from '../../types/routable.type';
 import AuthController from './AuthController';
 import { IsLoggedIn } from './middlewares/is-logged-in';
+import { RejectApiTokenAuth } from '../api-tokens/middlewares/RejectApiTokenAuth';
+import { RequireAnyLoginMethod, RequireLoginMethod, RequireSocialProvider } from './middlewares/require-login-method';
 import passport from './strategies/passport-login';
 import { ExternalProviderScope } from './strategies/external-auth.types';
 export default class AuthRoutes implements Routable {
@@ -19,13 +21,20 @@ export default class AuthRoutes implements Routable {
     }
 
     initRoutes() {
-        this.router.post('/send-login-code', this.authController.sendLoginCode);
-        this.router.post('/login-by-code', this.authController.loginByCode);
-        this.router.post('/login', this.authController.login);
+        this.router.get('/login-options', this.authController.getLoginOptions);
+        this.router.post('/send-login-code', [RequireLoginMethod('magic-link')], this.authController.sendLoginCode);
+        // Shared one-time-code redemption: magic-link emails, SSO callbacks and social
+        // OAuth callbacks all complete the login through this endpoint
+        this.router.post('/login-by-code', [RequireAnyLoginMethod(['magic-link', 'sso', 'social'])], this.authController.loginByCode);
+        this.router.post('/login', [RequireLoginMethod('password')], this.authController.login);
         this.router.post('/registration', this.authController.registration);
         this.router.get('/confirm/email/:code/login/:login', this.authController.confirmEmail);
-        this.router.post('/email/recovery', this.authController.remindPassword);
-        this.router.post('/password/reset', this.authController.changeRemindedPassword);
+        this.router.post('/email/recovery', [RequireLoginMethod('password')], this.authController.remindPassword);
+        this.router.post('/password/reset', [RequireLoginMethod('password')], this.authController.changeRemindedPassword);
+        this.router.get('/password/change/mode', [IsLoggedIn], this.authController.getPasswordChangeMode);
+        this.router.post('/password/change/code', [IsLoggedIn, RejectApiTokenAuth], this.authController.sendPasswordChangeCode);
+        this.router.post('/password/change', [IsLoggedIn, RejectApiTokenAuth], this.authController.changeOwnPassword);
+        this.router.post('/credentials/change', [IsLoggedIn, RejectApiTokenAuth], this.authController.changeDefaultUserCredentials);
         this.router.post('/logout', [IsLoggedIn], this.authController.logout);
         this.router.post('/refresh/token', this.authController.refreshTokens);
         this.router.post('/delete/account/code', [IsLoggedIn], this.authController.sendDeleteAccountCode);
@@ -33,6 +42,7 @@ export default class AuthRoutes implements Routable {
 
         this.router.get(
             '/provider/:providerName',
+            RequireSocialProvider,
             (req: Request, res: Response, next: NextFunction) => passport.authenticate(req.params.providerName, {
                 scope: ExternalProviderScope[req.params.providerName],
                 session: false,
@@ -43,6 +53,7 @@ export default class AuthRoutes implements Routable {
         );
         this.router.get(
             '/provider/:providerName/callback',
+            RequireSocialProvider,
             (req: Request, res: Response, next: NextFunction) => passport.authenticate(req.params.providerName, {
                 scope: ExternalProviderScope[req.params.providerName], session: false
             })(req, res, next),
@@ -51,6 +62,7 @@ export default class AuthRoutes implements Routable {
 
         this.router.post(
             '/provider/:providerName/callback',
+            RequireSocialProvider,
             (req: Request, res: Response, next: NextFunction) => passport.authenticate(req.params.providerName, {
                 scope: ExternalProviderScope[req.params.providerName], session: false
             })(req, res, next),

api/src/tv-modules/auth/LoginMethods.ts

@@ -0,0 +1,80 @@
+import type { LoginMethod } from '../../types/auth.types';
+
+export class LoginMethods {
+    static readonly ALL: LoginMethod[] = ['magic-link', 'password', 'sso', 'social'];
+
+    static enabled(): Set<LoginMethod> {
+        const raw = process.env.AUTH_LOGIN_METHODS;
+        if (!raw || !raw.trim()) {
+            return new Set(LoginMethods.ALL);
+        }
+        return new Set(LoginMethods.parse(raw).valid);
+    }
+
+    static isEnabled(method: LoginMethod): boolean {
+        return LoginMethods.enabled().has(method);
+    }
+
+    static publicRegistrationAllowed(): boolean {
+        return process.env.ALLOW_PUBLIC_REGISTRATION?.trim().toLowerCase() !== 'false';
+    }
+
+    static validateOnStartup(): void {
+        const registrationRaw = process.env.ALLOW_PUBLIC_REGISTRATION;
+        if (registrationRaw !== undefined && registrationRaw.trim() !== '') {
+            const normalized = registrationRaw.trim().toLowerCase();
+            if (normalized !== 'true' && normalized !== 'false') {
+                throw new Error(
+                    `ALLOW_PUBLIC_REGISTRATION has unrecognized value "${registrationRaw}". Allowed: true, false`
+                );
+            }
+        }
+
+        const raw = process.env.AUTH_LOGIN_METHODS;
+        if (!raw || !raw.trim()) return;
+
+        const { valid, invalid } = LoginMethods.parse(raw);
+        if (invalid.length > 0) {
+            throw new Error(
+                `AUTH_LOGIN_METHODS contains unknown values: ${invalid.join(', ')}. Allowed: ${LoginMethods.ALL.join(', ')}`
+            );
+        }
+        if (valid.length === 0) {
+            throw new Error('AUTH_LOGIN_METHODS disables every login method — nobody would be able to sign in');
+        }
+    }
+
+    static configuredSocialProviders(): string[] {
+        const providers: string[] = [];
+        if (process.env.GOOGLE_CLIENT_ID && process.env.GOOGLE_CLIENT_SECRET && process.env.GOOGLE_CALLBACK_URL) {
+            providers.push('google');
+        }
+        if (process.env.GITHUB_CLIENT_ID && process.env.GITHUB_CLIENT_SECRET && process.env.GITHUB_CALLBACK_URL) {
+            providers.push('github');
+        }
+        if (
+            process.env.APPLE_CLIENT_ID &&
+            process.env.APPLE_TEAM_ID &&
+            process.env.APPLE_KEY_ID &&
+            process.env.APPLE_CALLBACK_URL &&
+            process.env.APPLE_KEY_LOCATION
+        ) {
+            providers.push('apple');
+        }
+        return providers;
+    }
+
+    static availableSocialProviders(): string[] {
+        return LoginMethods.isEnabled('social') ? LoginMethods.configuredSocialProviders() : [];
+    }
+
+    private static parse(raw: string): { valid: LoginMethod[]; invalid: string[] } {
+        const values = raw
+            .split(',')
+            .map((value) => value.trim().toLowerCase())
+            .filter(Boolean);
+        const valid = values.filter((value): value is LoginMethod => (LoginMethods.ALL as string[]).includes(value));
+        const invalid = values.filter((value) => !(LoginMethods.ALL as string[]).includes(value));
+        return { valid, invalid };
+    }
+}

api/src/tv-modules/auth/__tests__/Auth.spec.ts

@@ -512,4 +512,65 @@ describe('Login API', () => {
 
         expect(te).toBe(0);
     });
+
+    it('loginByCode confirms and admits a blocked-unconfirmed account', async () => {
+        deleteTestUserEmail = `${Date.now()}test@mail.dest`;
+        const email = deleteTestUserEmail;
+
+        await axios.post(`${url}/module/auth/registration`, {
+            email,
+            password: 'user1!#Q',
+            passwordRepeat: 'user1!#Q',
+        });
+
+        const userModel = new AuthModel();
+        const before = await userModel.getUserByLogin(email, true);
+        expect(before).toBeTruthy();
+        expect((before as any).block).toBe(1);
+        expect((before as any).confirm_email_code).toBeTruthy();
+
+        const code = '654321';
+        await userModel.updateLoginCode(`${code}:${Date.now()}`, email);
+
+        const response = await axios.post(`${url}/module/auth/login-by-code`, { email, code });
+
+        expect(response.status).toBe(200);
+        expect(response.data.access).toBeTruthy();
+        expect(response.data.refresh).toBeTruthy();
+
+        const after = await userModel.getUserByLogin(email, true);
+        expect((after as any).block).toBe(0);
+        expect((after as any).confirm_email_code).toBeNull();
+    });
+
+    it('loginByCode rejects a banned account (blocked, no confirm code)', async () => {
+        deleteTestUserEmail = `${Date.now()}test@mail.dest`;
+        const email = deleteTestUserEmail;
+
+        await axios.post(`${url}/module/auth/registration`, {
+            email,
+            password: 'user1!#Q',
+            passwordRepeat: 'user1!#Q',
+        });
+
+        const db = Database.getInstance();
+        await db.query('update tv_auth.users set block = 1, confirm_email_code = null where email = $1', [email]);
+
+        const userModel = new AuthModel();
+        const code = '112233';
+        await userModel.updateLoginCode(`${code}:${Date.now()}`, email);
+
+        let status = 0;
+        let message = '';
+        await axios.post(`${url}/module/auth/login-by-code`, { email, code }).catch((err) => {
+            status = err.response.status;
+            message = err.response.data.message;
+        });
+
+        expect(status).toBe(403);
+        expect(message).toBe('account_blocked');
+
+        const after = await userModel.getUserByLogin(email, true);
+        expect((after as any).block).toBe(1);
+    });
 });

api/src/tv-modules/auth/middlewares/require-login-method.ts

@@ -0,0 +1,29 @@
+import type { NextFunction, Request, Response } from 'express';
+import type { LoginMethod } from '../../../types/auth.types';
+import { LoginMethods } from '../LoginMethods';
+
+export const RequireLoginMethod = (method: LoginMethod) => {
+    return (_req: Request, res: Response, next: NextFunction) => {
+        if (!LoginMethods.isEnabled(method)) {
+            return res.status(403).send();
+        }
+        return next();
+    };
+};
+
+export const RequireAnyLoginMethod = (methods: LoginMethod[]) => {
+    return (_req: Request, res: Response, next: NextFunction) => {
+        if (!methods.some((method) => LoginMethods.isEnabled(method))) {
+            return res.status(403).send();
+        }
+        return next();
+    };
+};
+
+export const RequireSocialProvider = (req: Request, res: Response, next: NextFunction) => {
+    const providerName = String(req.params.providerName || '').toLowerCase();
+    if (!LoginMethods.availableSocialProviders().includes(providerName)) {
+        return res.status(403).send();
+    }
+    return next();
+};

api/src/tv-modules/auth/strategies/apple.strategy.ts

@@ -16,8 +16,7 @@ export function initAppleStrategy() {
         !process.env.APPLE_KEY_ID ||
         !process.env.APPLE_CALLBACK_URL ||
         !process.env.APPLE_KEY_LOCATION) {
-        $logger.warn("APPLE_CLIENT_ID, APPLE_TEAM_ID, APPLE_KEY_ID, APPLE_CALLBACK_URL, and APPLE_KEY_LOCATION must be set");
-        console.warn("APPLE_CLIENT_ID, APPLE_TEAM_ID, APPLE_KEY_ID, APPLE_CALLBACK_URL, and APPLE_KEY_LOCATION must be set");
+        $logger.debug("Apple login is not configured (APPLE_CLIENT_ID / APPLE_TEAM_ID / APPLE_KEY_ID / APPLE_CALLBACK_URL / APPLE_KEY_LOCATION) — skipping");
         return;
     }
 

api/src/tv-modules/auth/strategies/github.strategy.ts

@@ -7,8 +7,7 @@ import type { VerifyCallback } from "passport-google-oauth20";
 
 export function initGithubStrategy() {
     if (!process.env.GITHUB_CLIENT_ID || !process.env.GITHUB_CLIENT_SECRET || !process.env.GITHUB_CALLBACK_URL) {
-        $logger.warn("GITHUB_CLIENT_ID, GITHUB_CLIENT_SECRET, and GITHUB_CALLBACK_URL must be set");
-        console.warn("GITHUB_CLIENT_ID, GITHUB_CLIENT_SECRET, and GITHUB_CALLBACK_URL must be set");
+        $logger.debug("GitHub login is not configured (GITHUB_CLIENT_ID / GITHUB_CLIENT_SECRET / GITHUB_CALLBACK_URL) — skipping");
         return;
     }
 

api/src/tv-modules/auth/strategies/google.strategy.ts

@@ -5,8 +5,7 @@ import type { ExternalAuthUser } from "./external-auth.types";
 
 export function initGoogleStrategy() {
     if (!process.env.GOOGLE_CLIENT_ID || !process.env.GOOGLE_CLIENT_SECRET || !process.env.GOOGLE_CALLBACK_URL) {
-        $logger.warn("GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, and GOOGLE_CALLBACK_URL must be set");
-        console.warn("GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, and GOOGLE_CALLBACK_URL must be set");
+        $logger.debug("Google login is not configured (GOOGLE_CLIENT_ID / GOOGLE_CLIENT_SECRET / GOOGLE_CALLBACK_URL) — skipping");
         return;
     }
     const options = {

api/src/tv-modules/collaboration-roles/middlewares/CanFetchRolesPermissionsCollaborationRoles.ts

@@ -1,8 +1,12 @@
 import type { NextFunction, Request, Response } from 'express';
+import { GoalPermissionsFetcher } from '../../../core/GoalPermissionsFetcher';
 import { $logger } from '../../../modules/logget';
+import { GoalPermissions } from '../../../types/auth.types';
+import { logError } from '../../../utils/api';
 
 export const CanFetchRolesPermissionsCollaborationRoles = async (req: Request, res: Response, next: NextFunction) => {
-    const goalId = req.body.goalId ? req.body.goalId : req.params.goalId;
+    // the only route using this guard names the goal in the path
+    const goalId = req.params.goalId;
 
     if (!goalId) {
         return res.status(400).end();
@@ -19,5 +23,18 @@ export const CanFetchRolesPermissionsCollaborationRoles = async (req: Request, r
         return next();
     }
 
+    const permissions = await req.appUser.permissionsFetcher
+        .getPermissionsForType(Number(goalId), GoalPermissionsFetcher.PERMISSION_TYPE_FOR_GOAL)
+        .catch(logError);
+
+    if (!permissions) {
+        $logger.error('Can not get permissions for CanFetchRolesPermissionsCollaborationRoles middleware');
+        return res.status(500).end();
+    }
+
+    if (permissions.hasPermissions(GoalPermissions.GOAL_CAN_MANAGE_USERS)) {
+        return next();
+    }
+
     return res.status(403).end();
 };

api/src/tv-modules/collaboration/CollaborationController.ts

@@ -16,6 +16,7 @@ import {
 } from './collaboration.types';
 
 export class CollaborationController {
+    /** @deprecated */
     fetchAllUsers = async (req: Request, res: Response) => {
         const users = await req.appUser.collaborationManager.fetchAllUsers();
         return res.tvJson(users);
@@ -82,19 +83,30 @@ export class CollaborationController {
             return res.status(400).send(output.summary);
         }
 
-        const user = await req.appUser.collaborationManager.addUserNew(output);
+        const result = await req.appUser.collaborationManager.addUserNew(output);
 
-        if (user) {
+        // created=false means the person was already in the goal — re-POSTing must not re-notify
+        if (result?.created) {
             eventBus.emit('collaboration.userAdded', {
                 goalId: output.goalId,
                 email: output.email.toLowerCase(),
                 initiatorId: req.appUser.getUserData()!.id,
+                locale: this.resolveLocale(req),
             });
         }
 
-        return res.tvJson(user ?? null);
+        return res.tvJson(result?.user ?? null);
     };
 
+    // The invitee has no stored locale (often no account yet), so localize by the inviter's browser language
+    private resolveLocale(req: Request): 'en' | 'ru' {
+        const acceptLanguage = req.headers['accept-language'];
+        if (!acceptLanguage) return 'en';
+
+        const languages = acceptLanguage.split(',').map((lang) => lang.split(';')[0].trim().toLowerCase());
+        return languages.some((lang) => lang === 'ru' || lang.startsWith('ru-')) ? 'ru' : 'en';
+    }
+
     deleteUserNew = async (req: Request, res: Response) => {
         const output = CollaborationArkTypeDeleteUser(req.body);
 

api/src/tv-modules/collaboration/CollaborationManager.ts

@@ -2,6 +2,7 @@ import type { AppUser } from '../../core/AppUser';
 import { GoalPermissions } from '../../types/auth.types';
 import { CollaborationRepository } from './CollaborationRepository';
 import type {
+    CollaborationAddUserResult,
     CollaborationArgAddUser,
     CollaborationArgDeleteUser,
     CollaborationArgToggleUserRoles,
@@ -24,6 +25,7 @@ export class CollaborationManager {
         this.repository = new CollaborationRepository();
     }
 
+    /** @deprecated */
     async fetchAllUsers(): Promise<CollaborationUserWithRoles[] | false> {
         const sharedGoals = await this.user.goalsManager.fetchSharedGoals();
 
@@ -69,6 +71,7 @@ export class CollaborationManager {
         return Object.values(resultMap);
     }
 
+    /** @deprecated */
     async fetchUsersForGoal(args: FetchGoalUsersArg): Promise<CollaborationUserWithRoles[] | false> {
         const users = await this.repository.fetchUsersForGoal(args.goalId);
 
@@ -103,6 +106,7 @@ export class CollaborationManager {
         return Object.values(resultMap);
     }
 
+    /** @deprecated*/
     async toggleUserRoles(args: ToggleUserRolesArg): Promise<number[] | false> {
         return await this.repository.updateUserRoles(args.userId, args.roles);
     }
@@ -120,7 +124,7 @@ export class CollaborationManager {
         return await this.repository.deleteUser(args);
     }
 
-    async addUserNew(args: CollaborationArgAddUser): Promise<CollaborationUserWithRoles | null> {
+    async addUserNew(args: CollaborationArgAddUser): Promise<CollaborationAddUserResult | null> {
         const email = args.email.toLowerCase();
 
         const goal = await this.user.goalsManager.goalsRepository.findGoalById(args.goalId);
@@ -131,19 +135,22 @@ export class CollaborationManager {
             }
         }
 
-        const user = await this.repository.addUserForCollaborationNew({
+        const result = await this.repository.addUserForCollaborationNew({
             ...args,
             email,
         });
-        if (!user) return null;
+        if (!result) return null;
 
         return {
-            ...user,
-            goalId: args.goalId,
-            goal_id: args.goalId,
-            invitation_date: user.invitationDate,
-            roles: [],
-            goalOwner: false,
+            user: {
+                ...result.user,
+                goalId: args.goalId,
+                goal_id: args.goalId,
+                invitation_date: result.user.invitationDate,
+                roles: [],
+                goalOwner: false,
+            },
+            created: result.created,
         };
     }
 
@@ -177,7 +184,7 @@ export class CollaborationManager {
             return [];
         }
 
-        
+
         const resultMap: Record<string, CollaborationUserWithRoles> = {};
 
         users.forEach((item) => {
@@ -210,7 +217,7 @@ export class CollaborationManager {
             return [];
         }
 
-        
+
         const resultMap: Record<string, CollaborationUserWithRoles> = {};
 
         users.forEach((item) => {

api/src/tv-modules/collaboration/CollaborationRepository.ts

@@ -1,5 +1,6 @@
-import { and, eq, inArray } from 'drizzle-orm';
+import { and, eq, exists, inArray } from 'drizzle-orm';
 import {
+    CollaborationRolesSchema,
     CollaborationUsersSchema,
     type CollaborationUsersSchemaTypeForSelect,
     CollaborationUsersToGoalsSchema,
@@ -10,6 +11,7 @@ import { $logger } from '../../modules/logget';
 import { logError } from '../../utils/api';
 import { callWithCatch } from '../../utils/helpers';
 import type {
+    CollaborationAddUserRepoResult,
     CollaborationArgAddUser,
     CollaborationArgDeleteUser,
     CollaborationArgToggleUserRoles,
@@ -23,6 +25,7 @@ export class CollaborationRepository {
         this.db = Database.getInstance();
     }
 
+    /** @deprecated */
     async fetchAllUsers(goalIds: number[]): Promise<FetchUsersForGoal[] | false> {
         if (goalIds.length === 0) {
             return [];
@@ -34,6 +37,10 @@ export class CollaborationRepository {
           FROM collaboration.users u
           left join collaboration.users_to_goals utg on u.id = utg.user_id
           LEFT JOIN collaboration.users_to_roles utr ON u.id = utr.user_id
+            AND EXISTS (
+              SELECT 1 FROM collaboration.roles r
+              WHERE r.id = utr.role_id AND r.goal_id = utg.goal_id
+            )
           WHERE utg.goal_id IN (${placeholders})
         `;
 
@@ -74,7 +81,7 @@ export class CollaborationRepository {
         }
 
         await this.db
-            .query(`insert into collaboration.users_to_goals (goal_id, user_id) values ($1, $2)`, [goalId, userId])
+            .query(`insert into collaboration.users_to_goals (goal_id, user_id) values ($1, $2) on conflict (user_id, goal_id) do nothing`, [goalId, userId])
             .catch(logError);
 
         return userId ?? false;
@@ -91,7 +98,8 @@ export class CollaborationRepository {
         return result.rows[0];
     }
 
-    
+
+    /** @deprecated */
     async fetchUsersForGoal(goalId: number): Promise<FetchUsersForGoal[] | false> {
         const query = `
           SELECT u.*, u.invitation_date::text, utr.role_id, utg.goal_id
@@ -111,6 +119,7 @@ export class CollaborationRepository {
         return result.rows;
     }
 
+    /** @deprecated */
     async fetchUsersForGoals(goalIds: number[]): Promise<FetchUsersForGoal[] | false> {
         if (goalIds.length === 0) {
             return [];
@@ -145,6 +154,7 @@ export class CollaborationRepository {
         return !!(result.rowCount && result.rowCount > 0);
     }
 
+    /** @deprecated */
     async updateUserRoles(userId: number, roles: number[]): Promise<number[] | false> {
         const deleteQuery = `DELETE FROM collaboration.users_to_roles WHERE user_id = $1`;
         let i = 1;
@@ -197,8 +207,8 @@ export class CollaborationRepository {
 
     async addUserForCollaborationNew(
         args: CollaborationArgAddUser
-    ): Promise<CollaborationUsersSchemaTypeForSelect | null> {
-        const user = await callWithCatch(() =>
+    ): Promise<CollaborationAddUserRepoResult | null> {
+        return await callWithCatch(() =>
             this.db.dbDrizzle.transaction(async (tx) => {
                 let userId: number;
                 let user: CollaborationUsersSchemaTypeForSelect;
@@ -217,18 +227,14 @@ export class CollaborationRepository {
                     user = userTransaction;
                 }
 
-                await tx.insert(CollaborationUsersToGoalsSchema).values({
+                const linked = await tx.insert(CollaborationUsersToGoalsSchema).values({
                     userId: userId,
                     goalId: args.goalId,
-                });
+                }).onConflictDoNothing().returning();
 
-                return user;
+                return { user, created: linked.length > 0 };
             })
         );
-
-        if (!user) return null;
-
-        return user;
     }
 
     async deleteUserNew(args: CollaborationArgDeleteUser) {
@@ -250,13 +256,29 @@ export class CollaborationRepository {
     async toggleUserRolesNew(args: CollaborationArgToggleUserRoles): Promise<number[]> {
         const result = await callWithCatch(() =>
             this.db.dbDrizzle.transaction(async (tx) => {
-                await tx
-                    .delete(CollaborationUsersToRolesSchema)
-                    .where(eq(CollaborationUsersToRolesSchema.userId, args.userId));
-                if (args.roles.length > 0) {
+
+                const goalRoles = await tx
+                    .select({ id: CollaborationRolesSchema.id })
+                    .from(CollaborationRolesSchema)
+                    .where(eq(CollaborationRolesSchema.goalId, args.goalId));
+                const goalRoleIds = goalRoles.map((role) => role.id);
+
+                if (goalRoleIds.length > 0) {
+                    await tx
+                        .delete(CollaborationUsersToRolesSchema)
+                        .where(
+                            and(
+                                eq(CollaborationUsersToRolesSchema.userId, args.userId),
+                                inArray(CollaborationUsersToRolesSchema.roleId, goalRoleIds)
+                            )
+                        );
+                }
+
+                const rolesToAssign = args.roles.filter((roleId) => goalRoleIds.includes(roleId));
+                if (rolesToAssign.length > 0) {
                     return await tx
                         .insert(CollaborationUsersToRolesSchema)
-                        .values(args.roles.map((roleId) => ({ userId: args.userId, roleId })))
+                        .values(rolesToAssign.map((roleId) => ({ userId: args.userId, roleId })))
                         .returning();
                 }
                 return [];
@@ -287,7 +309,20 @@ export class CollaborationRepository {
                 )
                 .leftJoin(
                     CollaborationUsersToRolesSchema,
-                    eq(CollaborationUsersSchema.id, CollaborationUsersToRolesSchema.userId)
+                    and(
+                        eq(CollaborationUsersSchema.id, CollaborationUsersToRolesSchema.userId),
+                        exists(
+                            this.db.dbDrizzle
+                                .select()
+                                .from(CollaborationRolesSchema)
+                                .where(
+                                    and(
+                                        eq(CollaborationRolesSchema.id, CollaborationUsersToRolesSchema.roleId),
+                                        eq(CollaborationRolesSchema.goalId, CollaborationUsersToGoalsSchema.goalId)
+                                    )
+                                )
+                        )
+                    )
                 )
                 .where(inArray(CollaborationUsersToGoalsSchema.goalId, goalIds))
         );
@@ -311,7 +346,20 @@ export class CollaborationRepository {
                 )
                 .leftJoin(
                     CollaborationUsersToRolesSchema,
-                    eq(CollaborationUsersSchema.id, CollaborationUsersToRolesSchema.userId)
+                    and(
+                        eq(CollaborationUsersSchema.id, CollaborationUsersToRolesSchema.userId),
+                        exists(
+                            this.db.dbDrizzle
+                                .select()
+                                .from(CollaborationRolesSchema)
+                                .where(
+                                    and(
+                                        eq(CollaborationRolesSchema.id, CollaborationUsersToRolesSchema.roleId),
+                                        eq(CollaborationRolesSchema.goalId, CollaborationUsersToGoalsSchema.goalId)
+                                    )
+                                )
+                        )
+                    )
                 )
                 .where(eq(CollaborationUsersToGoalsSchema.goalId, goalId))
         );

api/src/tv-modules/collaboration/CollaborationRoutes.ts

@@ -5,7 +5,7 @@ import { IsOrgMemberIfProvided } from '../../middlewares/is-org-member';
 import { CollaborationController } from './CollaborationController';
 import { CanAddUserCollaboration } from './middlewares/CanAddUserCollaboration';
 import { CanDeleteUserCollaboration } from './middlewares/CanDeleteUserCollaboration';
-// import { CanFetchUsersCollaboration } from './middlewares/CanFetchUsersCollaboration';
+import { CanFetchUsersCollaboration } from './middlewares/CanFetchUsersCollaboration';
 import { CanToggleRolesCollaboration } from './middlewares/CanToggleRolesCollaboration';
 
 export default class CollaborationRoutes implements Routable {
@@ -56,6 +56,10 @@ export default class CollaborationRoutes implements Routable {
         /**
          * Fetch users for goal for collaboration
          */
-        this.router.get('/:goalId', [IsLoggedIn], this.collaborationController.fetchUsersForGoalNew);
+        this.router.get(
+            '/:goalId',
+            [IsLoggedIn, CanFetchUsersCollaboration],
+            this.collaborationController.fetchUsersForGoalNew
+        );
     }
 }

api/src/tv-modules/collaboration/InviteEmailDispatcher.ts

@@ -0,0 +1,183 @@
+import { and, count, eq, gte, lt, sql } from 'drizzle-orm';
+import { GoalsSchema, InviteEmailsSchema, OrganizationsSchema, UsersSchema } from 'taskview-db-schemas';
+import type { Dispatcher } from '../../core/Dispatcher';
+import { Email } from '../../core/Email';
+import { eventBus, type AppEvents } from '../../core/EventBus';
+import { Database } from '../../modules/db';
+import { $logger } from '../../modules/logget';
+import { escapeHtml, parsePositiveInt } from '../../utils/helpers';
+import InviteEmailTemplateEn from './mail/invite-en';
+import InviteEmailTemplateRu from './mail/invite-ru';
+import type { InviteEmailRateLimitArgs, InviteEmailSendArgs } from './collaboration.server.types';
+
+const DEFAULT_HOURLY_LIMIT = 30;
+
+export class InviteEmailDispatcher implements Dispatcher {
+    static enabled(): boolean {
+        return process.env.INVITE_EMAIL_ENABLED?.trim().toLowerCase() === 'true';
+    }
+
+    static hourlyLimit(): number {
+        return parsePositiveInt(process.env.INVITE_EMAIL_HOURLY_LIMIT) ?? DEFAULT_HOURLY_LIMIT;
+    }
+
+    static validateOnStartup(): void {
+        const enabledRaw = process.env.INVITE_EMAIL_ENABLED;
+        if (enabledRaw !== undefined && enabledRaw.trim() !== '') {
+            const normalized = enabledRaw.trim().toLowerCase();
+            if (normalized !== 'true' && normalized !== 'false') {
+                throw new Error(`INVITE_EMAIL_ENABLED has unrecognized value "${enabledRaw}". Allowed: true, false`);
+            }
+        }
+
+        const limitRaw = process.env.INVITE_EMAIL_HOURLY_LIMIT;
+        if (limitRaw !== undefined && limitRaw.trim() !== '' && parsePositiveInt(limitRaw) === null) {
+            throw new Error(
+                `INVITE_EMAIL_HOURLY_LIMIT has unrecognized value "${limitRaw}". Expected a positive integer`
+            );
+        }
+    }
+
+    register(): void {
+        eventBus.on('collaboration.userAdded', (data) => this.onUserAdded(data));
+    }
+
+    async registerWorkers(): Promise<void> {}
+
+    private async onUserAdded(data: AppEvents['collaboration.userAdded']): Promise<void> {
+        if (!InviteEmailDispatcher.enabled() || !process.env.SMTP_HOST) return;
+
+        const db = Database.getInstance();
+
+        const [goal] = await db.dbDrizzle
+            .select({ name: GoalsSchema.name, organizationId: GoalsSchema.organizationId })
+            .from(GoalsSchema)
+            .where(eq(GoalsSchema.id, data.goalId))
+            .limit(1);
+        if (!goal) return;
+
+        const [inviter] = await db.dbDrizzle
+            .select({ login: UsersSchema.login })
+            .from(UsersSchema)
+            .where(eq(UsersSchema.id, data.initiatorId))
+            .limit(1);
+        if (!inviter) return;
+
+        const allowed = await this.passesRateLimit({
+            initiatorId: data.initiatorId,
+            email: data.email,
+            goalId: data.goalId,
+        });
+        if (!allowed) return;
+
+        const link = await this.buildGoalLink(data.goalId, goal.organizationId);
+        if (!link) {
+            $logger.warn('APP_URL is not set — skipping invite email');
+            return;
+        }
+
+        await db.dbDrizzle.insert(InviteEmailsSchema).values({
+            initiatorId: data.initiatorId,
+            email: data.email,
+            goalId: data.goalId,
+        });
+
+        const fallbackName = data.locale === 'ru' ? 'Пользователь TaskView' : 'A TaskView user';
+
+        await this.sendInviteEmail({
+            email: data.email,
+            inviterName: this.truncate(inviter.login?.trim() || fallbackName),
+            goalName: this.truncate(goal.name || ''),
+            link,
+            locale: data.locale,
+        });
+    }
+
+    // Two rules: a 24h cooldown per (goal, recipient) — closes the delete/re-add resend loop —
+    // and an hourly cap per initiator against using the instance as a mail relay.
+    // Rows older than the cooldown window are pruned first, keeping the table tiny.
+    private async passesRateLimit(args: InviteEmailRateLimitArgs): Promise<boolean> {
+        const db = Database.getInstance();
+
+        await db.dbDrizzle
+            .delete(InviteEmailsSchema)
+            .where(lt(InviteEmailsSchema.sentAt, sql`now() - interval '24 hours'`));
+
+        const [cooldown] = await db.dbDrizzle
+            .select({ id: InviteEmailsSchema.id })
+            .from(InviteEmailsSchema)
+            .where(and(eq(InviteEmailsSchema.goalId, args.goalId), eq(InviteEmailsSchema.email, args.email)))
+            .limit(1);
+        if (cooldown) return false;
+
+        const [hourly] = await db.dbDrizzle
+            .select({ count: count() })
+            .from(InviteEmailsSchema)
+            .where(
+                and(
+                    eq(InviteEmailsSchema.initiatorId, args.initiatorId),
+                    gte(InviteEmailsSchema.sentAt, sql`now() - interval '1 hour'`)
+                )
+            );
+        if ((hourly?.count ?? 0) >= InviteEmailDispatcher.hourlyLimit()) {
+            $logger.warn(
+                { initiatorId: args.initiatorId, goalId: args.goalId },
+                'Invite email hourly limit reached — skipping send'
+            );
+            return false;
+        }
+
+        return true;
+    }
+
+    private async sendInviteEmail(args: InviteEmailSendArgs): Promise<void> {
+        const template = args.locale === 'ru' ? InviteEmailTemplateRu : InviteEmailTemplateEn;
+        const subject =
+            args.locale === 'ru'
+                ? `${args.inviterName} приглашает вас в проект «${args.goalName}» в TaskView`
+                : `${args.inviterName} invited you to "${args.goalName}" on TaskView`;
+        const text =
+            args.locale === 'ru'
+                ? `${args.inviterName} приглашает вас присоединиться к проекту «${args.goalName}» в TaskView.\n\nОткрыть проект: ${args.link}`
+                : `${args.inviterName} has invited you to join the project "${args.goalName}" on TaskView.\n\nOpen the project: ${args.link}`;
+
+        // Single-pass replace with a function: no re-substitution of placeholders inside
+        // inserted values, and no special treatment of $-patterns in the replacement
+        const values: Record<string, string> = {
+            inviter: args.inviterName,
+            project: args.goalName,
+            link: args.link,
+        };
+        const html = template.replace(/\{(inviter|project|link)\}/g, (_, key: string) => escapeHtml(values[key]));
+
+        await Email.send({
+            text,
+            subject,
+            to: args.email,
+            from: process.env.SMTP_FROM_EMAIL as string,
+            attachment: [{ data: html, alternative: true }],
+        });
+    }
+
+    // Frontend project route is /:orgSlug/:projectId; goals without an organization fall back to the app root
+    private async buildGoalLink(goalId: number, organizationId: number | null): Promise<string | null> {
+        const appUrl = (process.env.APP_URL ?? '').replace(/\/+$/, '');
+        if (!appUrl) return null;
+        if (!organizationId) return appUrl;
+
+        const db = Database.getInstance();
+        const [org] = await db.dbDrizzle
+            .select({ slug: OrganizationsSchema.slug })
+            .from(OrganizationsSchema)
+            .where(eq(OrganizationsSchema.id, organizationId))
+            .limit(1);
+        if (!org?.slug) return appUrl;
+
+        return `${appUrl}/${encodeURIComponent(org.slug)}/${goalId}`;
+    }
+
+    private truncate(value: string): string {
+        const max = 80;
+        return value.length > max ? `${value.slice(0, max)}…` : value;
+    }
+}

api/src/tv-modules/collaboration/__tests__/InviteEmailDispatcher.spec.ts

@@ -0,0 +1,233 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { Email } from '../../../core/Email';
+import type { AppEvents } from '../../../core/EventBus';
+import { Database } from '../../../modules/db';
+import { InviteEmailDispatcher } from '../InviteEmailDispatcher';
+
+vi.mock('../../../core/Email', () => ({
+    Email: {
+        send: vi.fn().mockResolvedValue(true),
+    },
+}));
+
+vi.mock('../../../modules/db', () => ({
+    Database: {
+        getInstance: vi.fn(),
+    },
+}));
+
+// Each select() call consumes the next result; the returned query is both awaitable
+// (count query) and .limit()-able (lookups), matching the Drizzle chains in the dispatcher
+function mockDb(selectResults: unknown[][]) {
+    const queue = [...selectResults];
+    const insertValues = vi.fn(async () => undefined);
+    const dbDrizzle = {
+        select: vi.fn(() => {
+            const rows = queue.shift() ?? [];
+            const query = {
+                limit: async () => rows,
+                then: (resolve: (rows: unknown[]) => void, reject: (err: unknown) => void) =>
+                    Promise.resolve(rows).then(resolve, reject),
+            };
+            return { from: () => ({ where: () => query }) };
+        }),
+        delete: vi.fn(() => ({ where: async () => undefined })),
+        insert: vi.fn(() => ({ values: insertValues })),
+    };
+    vi.mocked(Database.getInstance).mockReturnValue({ dbDrizzle } as any);
+    return { dbDrizzle, insertValues };
+}
+
+const goalRow = { name: 'Marketing', organizationId: 3 };
+const inviterRow = { login: 'Alice' };
+const noCooldown: unknown[] = [];
+const underLimit = [{ count: 0 }];
+const orgRow = [{ slug: 'acme' }];
+
+const inviteEvent: AppEvents['collaboration.userAdded'] = {
+    goalId: 42,
+    email: 'invitee@example.com',
+    initiatorId: 7,
+    locale: 'en',
+};
+
+describe('InviteEmailDispatcher', () => {
+    const dispatcher = new InviteEmailDispatcher();
+    const onUserAdded = (data: typeof inviteEvent) => (dispatcher as any).onUserAdded(data);
+    const sentHtml = () => (vi.mocked(Email.send).mock.calls[0][0] as any).attachment[0].data as string;
+
+    beforeEach(() => {
+        process.env.INVITE_EMAIL_ENABLED = 'true';
+        process.env.SMTP_HOST = 'smtp.test';
+        process.env.SMTP_FROM_EMAIL = 'noreply@test';
+        process.env.APP_URL = 'http://localhost:3000';
+    });
+
+    afterEach(() => {
+        delete process.env.INVITE_EMAIL_ENABLED;
+        delete process.env.INVITE_EMAIL_HOURLY_LIMIT;
+        vi.clearAllMocks();
+    });
+
+    it('does not send when the flag is off', async () => {
+        process.env.INVITE_EMAIL_ENABLED = 'false';
+        mockDb([]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).not.toHaveBeenCalled();
+    });
+
+    it('does not send when the flag is unset', async () => {
+        delete process.env.INVITE_EMAIL_ENABLED;
+        mockDb([]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).not.toHaveBeenCalled();
+    });
+
+    it('sends a localized email with a project deep link and records the send', async () => {
+        const { insertValues } = mockDb([[goalRow], [inviterRow], noCooldown, underLimit, orgRow]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).toHaveBeenCalledTimes(1);
+        const message = vi.mocked(Email.send).mock.calls[0][0] as any;
+        expect(message.to).toBe('invitee@example.com');
+        expect(message.from).toBe('noreply@test');
+        expect(message.subject).toBe('Alice invited you to "Marketing" on TaskView');
+        expect(message.text).toContain('http://localhost:3000/acme/42');
+
+        const html = sentHtml();
+        expect(html).toContain("You've been invited to a project");
+        expect(html).toContain('Alice');
+        expect(html).toContain('href="http://localhost:3000/acme/42"');
+
+        expect(insertValues).toHaveBeenCalledWith({
+            initiatorId: 7,
+            email: 'invitee@example.com',
+            goalId: 42,
+        });
+    });
+
+    it('uses the Russian template for the ru locale', async () => {
+        mockDb([[{ name: 'Маркетинг', organizationId: null }], [{ login: 'Алиса' }], noCooldown, underLimit]);
+
+        await onUserAdded({ ...inviteEvent, locale: 'ru' });
+
+        const message = vi.mocked(Email.send).mock.calls[0][0] as any;
+        expect(message.subject).toBe('Алиса приглашает вас в проект «Маркетинг» в TaskView');
+        expect(sentHtml()).toContain('Вас пригласили в проект');
+        expect(sentHtml()).toContain('href="http://localhost:3000"');
+    });
+
+    it('skips the send during the per-recipient cooldown', async () => {
+        const { insertValues } = mockDb([[goalRow], [inviterRow], [{ id: 1 }]]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).not.toHaveBeenCalled();
+        expect(insertValues).not.toHaveBeenCalled();
+    });
+
+    it('skips the send when the hourly limit is reached', async () => {
+        const { insertValues } = mockDb([[goalRow], [inviterRow], noCooldown, [{ count: 30 }]]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).not.toHaveBeenCalled();
+        expect(insertValues).not.toHaveBeenCalled();
+    });
+
+    it('respects a custom INVITE_EMAIL_HOURLY_LIMIT', async () => {
+        process.env.INVITE_EMAIL_HOURLY_LIMIT = '2';
+        mockDb([[goalRow], [inviterRow], noCooldown, [{ count: 2 }]]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).not.toHaveBeenCalled();
+
+        mockDb([[goalRow], [inviterRow], noCooldown, [{ count: 1 }], orgRow]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).toHaveBeenCalledTimes(1);
+    });
+
+    it('escapes user-controlled values in the html', async () => {
+        mockDb([
+            [{ name: '<img src=x onerror=alert(1)>', organizationId: null }],
+            [{ login: 'Bob & "Co"' }],
+            noCooldown,
+            underLimit,
+        ]);
+
+        await onUserAdded(inviteEvent);
+
+        const html = sentHtml();
+        expect(html).not.toContain('<img src=x');
+        expect(html).toContain('&lt;img src=x onerror=alert(1)&gt;');
+        expect(html).toContain('Bob &amp; &quot;Co&quot;');
+    });
+
+    it('is immune to $-patterns and placeholder strings in user values', async () => {
+        mockDb([
+            [{ name: 'Project $` name', organizationId: null }],
+            [{ login: '{link}' }],
+            noCooldown,
+            underLimit,
+        ]);
+
+        await onUserAdded(inviteEvent);
+
+        const html = sentHtml();
+        expect(html).toContain('Project $` name');
+        expect(html).toContain('{link}');
+        expect(html).toContain('href="http://localhost:3000"');
+    });
+
+    it('truncates overlong user values', async () => {
+        mockDb([
+            [{ name: 'p'.repeat(200), organizationId: null }],
+            [{ login: 'i'.repeat(200) }],
+            noCooldown,
+            underLimit,
+        ]);
+
+        await onUserAdded(inviteEvent);
+
+        const message = vi.mocked(Email.send).mock.calls[0][0] as any;
+        expect(message.subject).toContain(`"${'p'.repeat(80)}…"`);
+        expect(message.text).toContain(`${'i'.repeat(80)}… has invited`);
+    });
+
+    it('does not send when the goal no longer exists', async () => {
+        mockDb([[]]);
+
+        await onUserAdded(inviteEvent);
+
+        expect(Email.send).not.toHaveBeenCalled();
+    });
+
+    it('validateOnStartup rejects unrecognized values', () => {
+        process.env.INVITE_EMAIL_ENABLED = 'ture';
+        expect(() => InviteEmailDispatcher.validateOnStartup()).toThrow('INVITE_EMAIL_ENABLED');
+
+        process.env.INVITE_EMAIL_ENABLED = 'false';
+        expect(() => InviteEmailDispatcher.validateOnStartup()).not.toThrow();
+
+        process.env.INVITE_EMAIL_HOURLY_LIMIT = 'abc';
+        expect(() => InviteEmailDispatcher.validateOnStartup()).toThrow('INVITE_EMAIL_HOURLY_LIMIT');
+
+        process.env.INVITE_EMAIL_HOURLY_LIMIT = '0';
+        expect(() => InviteEmailDispatcher.validateOnStartup()).toThrow('INVITE_EMAIL_HOURLY_LIMIT');
+
+        process.env.INVITE_EMAIL_HOURLY_LIMIT = '10';
+        expect(() => InviteEmailDispatcher.validateOnStartup()).not.toThrow();
+
+        delete process.env.INVITE_EMAIL_ENABLED;
+        delete process.env.INVITE_EMAIL_HOURLY_LIMIT;
+        expect(() => InviteEmailDispatcher.validateOnStartup()).not.toThrow();
+    });
+});

api/src/tv-modules/collaboration/collaboration.server.types.ts

@@ -1,4 +1,5 @@
 import { type } from 'arktype';
+import type { CollaborationUsersSchemaTypeForSelect } from 'taskview-db-schemas';
 
 export const CollaborationArkTypeAddUser = type({
     goalId: 'number',
@@ -97,3 +98,30 @@ export const CollaborationArkTypeToggleRolePermission = type({
 });
 
 export type CollaborationArgToggleRolePermission = typeof CollaborationArkTypeToggleRolePermission.infer;
+
+// created=false means the person was already a collaborator of the goal — no invitation happened
+export type CollaborationAddUserRepoResult = {
+    user: CollaborationUsersSchemaTypeForSelect;
+    created: boolean;
+};
+
+export type CollaborationAddUserResult = {
+    user: CollaborationUserWithRoles;
+    created: boolean;
+};
+
+export type InviteEmailLocale = 'en' | 'ru';
+
+export type InviteEmailSendArgs = {
+    email: string;
+    inviterName: string;
+    goalName: string;
+    link: string;
+    locale: InviteEmailLocale;
+};
+
+export type InviteEmailRateLimitArgs = {
+    initiatorId: number;
+    email: string;
+    goalId: number;
+};

api/src/tv-modules/collaboration/mail/invite-en.ts

@@ -0,0 +1,50 @@
+export default `<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8" />
+    <meta name="format-detection" content="telephone=no" />
+    <meta name="color-scheme" content="only" />
+    <title>Project invitation</title>
+</head>
+<body style="margin: 0; padding: 0; background-color: #f5f7fa; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;">
+    <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="background-color: #f5f7fa;">
+        <tr>
+            <td align="center" style="padding: 40px 16px;">
+                <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="max-width: 480px; background-color: #ffffff; border-radius: 12px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);">
+                    <tr>
+                        <td style="padding: 40px 32px 24px; text-align: center;">
+                            <div style="font-size: 18px; font-weight: 600; color: #000000; letter-spacing: 0.5px;">TaskView</div>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 16px; text-align: center;">
+                            <h1 style="margin: 0; font-size: 20px; font-weight: 600; color: #18181b;">You've been invited to a project</h1>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 28px; text-align: center;">
+                            <p style="margin: 0; font-size: 14px; line-height: 1.6; color: #71717a;"><span style="font-weight: 600; color: #18181b;">{inviter}</span> has invited you to join the project<br /><span style="font-weight: 600; color: #18181b;">{project}</span></p>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td align="center" style="padding: 0 32px 28px;">
+                            <a href="{link}" style="display: inline-block; padding: 12px 32px; background-color: #16a34a; border-radius: 8px; font-size: 15px; font-weight: 600; color: #ffffff; text-decoration: none;">Open project</a>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 32px; text-align: center;">
+                            <p style="margin: 0; font-size: 12px; line-height: 1.5; color: #a1a1aa;">If the button doesn't work, copy this link into your browser:<br /><a href="{link}" style="color: #16a34a; word-break: break-all;">{link}</a></p>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 40px; text-align: center; border-top: 1px solid #f4f4f5;">
+                            <p style="margin: 24px 0 0; font-size: 13px; line-height: 1.5; color: #a1a1aa;">You received this email because someone invited you to a project on TaskView. If you weren't expecting it, you can safely ignore this email.</p>
+                        </td>
+                    </tr>
+                </table>
+                <p style="margin: 24px 0 0; font-size: 12px; color: #a1a1aa; text-align: center;">© TaskView</p>
+            </td>
+        </tr>
+    </table>
+</body>
+</html>`

api/src/tv-modules/collaboration/mail/invite-ru.ts

@@ -0,0 +1,50 @@
+export default `<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8" />
+    <meta name="format-detection" content="telephone=no" />
+    <meta name="color-scheme" content="only" />
+    <title>Приглашение в проект</title>
+</head>
+<body style="margin: 0; padding: 0; background-color: #f5f7fa; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;">
+    <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="background-color: #f5f7fa;">
+        <tr>
+            <td align="center" style="padding: 40px 16px;">
+                <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="max-width: 480px; background-color: #ffffff; border-radius: 12px; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);">
+                    <tr>
+                        <td style="padding: 40px 32px 24px; text-align: center;">
+                            <div style="font-size: 18px; font-weight: 600; color: #000000; letter-spacing: 0.5px;">TaskView</div>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 16px; text-align: center;">
+                            <h1 style="margin: 0; font-size: 20px; font-weight: 600; color: #18181b;">Вас пригласили в проект</h1>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 28px; text-align: center;">
+                            <p style="margin: 0; font-size: 14px; line-height: 1.6; color: #71717a;"><span style="font-weight: 600; color: #18181b;">{inviter}</span> приглашает вас присоединиться к проекту<br /><span style="font-weight: 600; color: #18181b;">{project}</span></p>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td align="center" style="padding: 0 32px 28px;">
+                            <a href="{link}" style="display: inline-block; padding: 12px 32px; background-color: #16a34a; border-radius: 8px; font-size: 15px; font-weight: 600; color: #ffffff; text-decoration: none;">Открыть проект</a>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 32px; text-align: center;">
+                            <p style="margin: 0; font-size: 12px; line-height: 1.5; color: #a1a1aa;">Если кнопка не работает, скопируйте эту ссылку в браузер:<br /><a href="{link}" style="color: #16a34a; word-break: break-all;">{link}</a></p>
+                        </td>
+                    </tr>
+                    <tr>
+                        <td style="padding: 0 32px 40px; text-align: center; border-top: 1px solid #f4f4f5;">
+                            <p style="margin: 24px 0 0; font-size: 13px; line-height: 1.5; color: #a1a1aa;">Вы получили это письмо, потому что вас пригласили в проект в TaskView. Если вы не ожидали приглашения, просто проигнорируйте это письмо.</p>
+                        </td>
+                    </tr>
+                </table>
+                <p style="margin: 24px 0 0; font-size: 12px; color: #a1a1aa; text-align: center;">© TaskView</p>
+            </td>
+        </tr>
+    </table>
+</body>
+</html>`

api/src/tv-modules/collaboration/middlewares/CanFetchUsersCollaboration.ts

@@ -21,7 +21,8 @@ export const CanFetchUsersCollaboration = async (req: Request, res: Response, ne
 
     if (
         permissions.hasPermissions(GoalPermissions.TASKS_CAN_ASSIGN_USERS) ||
-        permissions.hasPermissions(GoalPermissions.GOAL_CAN_MANAGE_USERS)
+        permissions.hasPermissions(GoalPermissions.GOAL_CAN_MANAGE_USERS) ||
+        permissions.hasPermissions(GoalPermissions.TASKS_CAN_WATCH_ASSIGNED_USERS)
     ) {
         return next();
     }

api/src/tv-modules/goals/GoalsManager.ts

@@ -63,8 +63,16 @@ export default class GoalsManager {
         return new GoalItemForClient(goal, (await this.getPermissionsForGoal(goal.id)).getAllPermissions());
     }
 
+    private async isInboxGoal(goalId: number): Promise<boolean> {
+        const goal = await this.goalsRepository.findGoalById(goalId);
+        return !!goal && goal.isInbox;
+    }
+
     /** @deprecated use deleteGoalNew instead */
     async deleteGoal(goalId: number): Promise<boolean> {
+        if (await this.isInboxGoal(goalId)) {
+            return false;
+        }
         return await this.goalsRepository.deleteGoal(goalId);
     }
 
@@ -88,6 +96,9 @@ export default class GoalsManager {
     }
 
     async updateArchive(goalId: number, archive: GoalItemInDb['archive']) {
+        if (archive === 1 && (await this.isInboxGoal(goalId))) {
+            return false;
+        }
         return await this.goalsRepository.updateArchive(goalId, archive);
     }
 
@@ -134,6 +145,12 @@ export default class GoalsManager {
     }
 
     async updateGoalNew(goalData: GoalsArgUpdate): Promise<GoalsItemForClientWithPermissions | false> {
+        // The Inbox must never be archived. Archiving flows through this endpoint
+        // (PATCH /module/goals), not the unrouted updateArchive, so the guard lives here.
+        if (goalData.archive === 1 && (await this.isInboxGoal(goalData.id))) {
+            return false;
+        }
+
         const goal = await this.goalsRepository.updateGoalNew(goalData);
 
         if (!goal) {
@@ -153,6 +170,9 @@ export default class GoalsManager {
     }
 
     async deleteGoalNew(goalData: GoalsArgDelete) {
+        if (await this.isInboxGoal(goalData.goalId)) {
+            return false;
+        }
         return await this.goalsRepository.deleteGoalNew(goalData);
     }
 
@@ -217,7 +237,7 @@ export default class GoalsManager {
 
         await this.user.collaborationManager.repository.toggleUserRolesNew({
             goalId,
-            userId: collabUser.id,
+            userId: collabUser.user.id,
             roles: [role.id],
         })
     }

api/src/tv-modules/goals/GoalsRepository.ts

@@ -12,7 +12,7 @@ import type { AddGoalToDbArg, GoalItemInDb, GoalItemsInDb, UpdateGoalDbArg } fro
 import { logError } from '../../utils/api';
 import { updateQuery } from '../../utils/db-helper';
 import { callWithCatch } from '../../utils/helpers';
-import type { GoalsArgAdd, GoalsArgDelete, GoalsArgUpdate } from './types';
+import type { GoalsArgAdd, GoalsArgCreateInbox, GoalsArgDelete, GoalsArgUpdate } from './types';
 
 export class GoalsRepository {
     private readonly db: Database;
@@ -157,6 +157,7 @@ export class GoalsRepository {
                     backlogVersion: GoalsSchema.backlogVersion,
                     organizationId: GoalsSchema.organizationId,
                     estimateUnit: GoalsSchema.estimateUnit,
+                    isInbox: GoalsSchema.isInbox,
                 })
                 .from(GoalsSchema)
                 .leftJoin(CollaborationUsersToGoalsSchema, eq(GoalsSchema.id, CollaborationUsersToGoalsSchema.goalId))
@@ -232,9 +233,56 @@ export class GoalsRepository {
         return result[0];
     }
 
-    async updateGoalNew(goalData: GoalsArgUpdate): Promise<GoalsSchemaTypeForSelect | false> {
+    async findInboxGoal(organizationId: number): Promise<GoalsSchemaTypeForSelect | false> {
         const result = await callWithCatch(() =>
-            this.db.dbDrizzle.update(GoalsSchema).set(goalData).where(eq(GoalsSchema.id, goalData.id)).returning()
+            this.db.dbDrizzle
+                .select()
+                .from(GoalsSchema)
+                .where(and(eq(GoalsSchema.organizationId, organizationId), eq(GoalsSchema.isInbox, true)))
+        );
+        if (!result || result.length === 0) return false;
+        return result[0];
+    }
+
+    async createInboxGoal(args: GoalsArgCreateInbox): Promise<GoalsSchemaTypeForSelect | false> {
+        const existing = await this.findInboxGoal(args.organizationId);
+        if (existing) {
+            return existing;
+        }
+
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle
+                .insert(GoalsSchema)
+                .values({
+                    name: 'Inbox',
+                    owner: args.ownerId,
+                    organizationId: args.organizationId,
+                    isInbox: true,
+                })
+                .returning()
+        );
+
+        if (!result) {
+            return false;
+        }
+
+        return result[0];
+    }
+
+    async updateGoalNew(goalData: GoalsArgUpdate): Promise<GoalsSchemaTypeForSelect | false> {
+        const updates: Partial<typeof GoalsSchema.$inferInsert> = {};
+        if (goalData.name !== undefined) updates.name = goalData.name;
+        if (goalData.description !== undefined) updates.description = goalData.description;
+        if (goalData.color !== undefined) updates.color = goalData.color;
+        if (goalData.estimateUnit !== undefined) updates.estimateUnit = goalData.estimateUnit;
+        if (goalData.archive !== undefined) updates.archive = goalData.archive;
+
+        if (Object.keys(updates).length === 0) {
+            return this.findGoalById(goalData.id);
+        }
+
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.update(GoalsSchema).set(updates).where(eq(GoalsSchema.id, goalData.id)).returning()
         );
         if (!result) {
             return false;

api/src/tv-modules/goals/types.ts

@@ -17,6 +17,7 @@ export const GoalsArkTypeUpdate = type({
     'description?': 'string | null',
     'color?': 'string | null',
     "estimateUnit?": "'hours' | 'points'",
+    'archive?': '0 | 1',
 });
 
 export type GoalsArgUpdate = typeof GoalsArkTypeUpdate.infer;
@@ -34,3 +35,8 @@ export const GoalsArkTypeFetch = type({
 export type GoalsArgFetch = typeof GoalsArkTypeFetch.infer;
 
 export type GoalsItemForClientWithPermissions = GoalsSchemaTypeForSelect & { permissions: GoalPermissionsForClient };
+
+export type GoalsArgCreateInbox = {
+    ownerId: number;
+    organizationId: number;
+};

api/src/tv-modules/graph/GraphControler.ts

@@ -33,6 +33,15 @@ export class GraphController {
         return res.tvJson(edges);
     };
 
+    fetchTaskEdges = async (req: Request, res: Response) => {
+        const taskId = Number(req.params.taskId);
+        if (!Number.isFinite(taskId)) {
+            return res.status(400).send('Task ID is required');
+        }
+        const edges = await req.appUser.graphManager.fetchEdgesForTask(taskId);
+        return res.tvJson(edges);
+    };
+
     deleteEdge = async (req: Request, res: Response) => {
         if (!req.params.id) {
             return res.status(400).send('Edge ID is required');

api/src/tv-modules/graph/GraphManager.ts

@@ -19,6 +19,10 @@ export class GraphManager {
         return await this.repository.fetchAllEdges(goalId);
     }
 
+    async fetchEdgesForTask(taskId: number) {
+        return await this.repository.fetchEdgesForTask(taskId);
+    }
+
     async deleteEdge(id: number) {
         return await this.repository.deleteEdge(id);
     }

api/src/tv-modules/graph/GraphRepository.ts

@@ -1,4 +1,4 @@
-import { eq } from 'drizzle-orm';
+import { eq, or } from 'drizzle-orm';
 import { GraphRelationsSchema } from 'taskview-db-schemas';
 import { Database } from '../../modules/db';
 import { callWithCatch } from '../../utils/helpers';
@@ -32,6 +32,16 @@ export class GraphRepository {
         return result ?? [];
     }
 
+    public async fetchEdgesForTask(taskId: number): Promise<GraphReturnRelationsType[]> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle
+                .select()
+                .from(GraphRelationsSchema)
+                .where(or(eq(GraphRelationsSchema.fromTaskId, taskId), eq(GraphRelationsSchema.toTaskId, taskId)))
+        );
+        return result ?? [];
+    }
+
     public async deleteEdge(id: number): Promise<boolean> {
         const result = await callWithCatch(() =>
             this.db.dbDrizzle.delete(GraphRelationsSchema).where(eq(GraphRelationsSchema.id, id))

api/src/tv-modules/graph/GraphRoutes.ts

@@ -21,6 +21,7 @@ export default class GraphRoutes implements Routable {
 
     initRoutes() {
         this.router.post('', [IsLoggedIn, CanManageGraph], this.graphController.addEdge);
+        this.router.get('/task/:taskId', [IsLoggedIn, CanViewGraph], this.graphController.fetchTaskEdges);
         this.router.get('/:goalId', [IsLoggedIn, CanViewGraph], this.graphController.fetchAllEdges);
         this.router.delete('/:id', [IsLoggedIn, CanManageGraph], this.graphController.deleteEdge);
     }

api/src/tv-modules/graph/middlewares/resolveGoalId.ts

@@ -3,28 +3,32 @@ import { GraphRepository } from '../GraphRepository';
 import { TasksRepository } from '../../tasks/TasksRepository';
 
 /**
- * Resolves goalId from graph request.
- * - GET /:goalId → params.goalId
- * - POST (addEdge) → resolve via fromTaskId (body.source)
- * - DELETE /:id → resolve via edge id
+ * Resolves the single goal a graph request belongs to.
+ *
+ * The source is chosen by what the route actually carries, not by probing every
+ * field in turn: a route parameter always wins, and only a request with no
+ * parameters at all (addEdge) is resolved from the body. Reading the body first
+ * would let a caller point the guard at a task they own while the handler acts
+ * on someone else's edge.
+ *
+ * A graph lives inside one project, so an edge whose endpoints sit in different
+ * goals is not a permission question — it is an impossible object. It resolves
+ * to null and the guards reject it before any permission is considered, the same
+ * invariant the tasks.check_task_graph_relation_goal trigger enforces in the DB.
  */
 export async function resolveGoalId(req: Request): Promise<number | null> {
-    // Direct goalId in params (fetchAllEdges)
+    // fetchAllEdges: GET /:goalId
     if (req.params.goalId) {
-        const id = Number(req.params.goalId);
-        return isNaN(id) ? null : id;
+        const goalId = Number(req.params.goalId);
+        return isNaN(goalId) ? null : goalId;
     }
 
-    // addEdge: resolve goalId from task
-    if (req.body?.source) {
-        const taskId = Number(req.body.source);
-        if (isNaN(taskId)) return null;
-        const tasksRepo = new TasksRepository();
-        const task = await tasksRepo.fetchTaskByIdNew(taskId);
-        return task?.goalId ?? null;
+    // fetchTaskEdges: GET /task/:taskId
+    if (req.params.taskId) {
+        return goalIdForTask(req.params.taskId);
     }
 
-    // deleteEdge: resolve goalId from edge
+    // deleteEdge: DELETE /:id
     if (req.params.id) {
         const edgeId = Number(req.params.id);
         if (isNaN(edgeId)) return null;
@@ -33,5 +37,25 @@ export async function resolveGoalId(req: Request): Promise<number | null> {
         return edge?.goalId ?? null;
     }
 
+    // addEdge: POST with { source, target } — both endpoints must be in one goal
+    if (req.body?.source) {
+        const sourceGoalId = await goalIdForTask(req.body.source);
+        if (sourceGoalId === null) return null;
+
+        const targetGoalId = await goalIdForTask(req.body.target);
+        if (targetGoalId !== sourceGoalId) return null;
+
+        return sourceGoalId;
+    }
+
     return null;
 }
+
+async function goalIdForTask(rawTaskId: unknown): Promise<number | null> {
+    const taskId = Number(rawTaskId);
+    if (!taskId || isNaN(taskId)) return null;
+
+    const tasksRepo = new TasksRepository();
+    const task = await tasksRepo.fetchTaskByIdNew(taskId);
+    return task?.goalId ?? null;
+}

api/src/tv-modules/integrations/IntegrationsController.ts

@@ -1,11 +1,14 @@
 import { type } from 'arktype';
 import type { Request, Response } from 'express';
 import { logError } from '../../utils/api';
+import { $logger } from '../../modules/logget';
+import { integrationsDebugLog } from './debugLog';
 import { decrypt } from '../../utils/crypto';
 import AuthController from '../auth/AuthController';
 import { IntegrationsRepository } from './IntegrationsRepository';
 import { verifyGitHubWebhookSignature, GITHUB_BASE_URL } from './providers/github.provider';
 import { verifyGitLabWebhookToken, GITLAB_BASE_URL } from './providers/gitlab.provider';
+import { verifyGiteaWebhookSignature, GITEA_BASE_URL } from './providers/gitea.provider';
 import { IntegrationsArkTypeAdd, IntegrationsArkTypeDelete, IntegrationsArkTypeFetch, IntegrationsArkTypeSelectRepo, IntegrationsArkTypeToggle } from './types';
 
 export default class IntegrationsController {
@@ -47,23 +50,29 @@ export default class IntegrationsController {
 
     initiateOAuth = async (req: Request, res: Response) => {
         try {
+            integrationsDebugLog({ step: 'initiate:start', data: { provider: req.params.provider, projectId: req.query.projectId, hasToken: !!req.query.token } });
             const token = req.query.token as string;
             if (!token) {
+                integrationsDebugLog({ step: 'initiate:reject', data: 'token is required' });
                 return res.status(401).send('token is required');
             }
             const userPayload = await AuthController.validateTokens(token);
             if (!userPayload?.userData?.id) {
+                integrationsDebugLog({ step: 'initiate:reject', data: 'invalid token' });
                 return res.status(401).send('Invalid token');
             }
 
             const provider = req.params.provider;
             const projectId = Number(req.query.projectId);
             if (!projectId || isNaN(projectId)) {
+                integrationsDebugLog({ step: 'initiate:reject', data: 'projectId is required' });
                 return res.status(400).send('projectId is required');
             }
             const url = req.appUser.integrationsManager.getOAuthUrl(provider, projectId, userPayload.userData.id);
+            integrationsDebugLog({ step: 'initiate:redirect', data: { userId: userPayload.userData.id, url } });
             return res.redirect(url);
-        } catch (err) {
+        } catch (err: any) {
+            integrationsDebugLog({ step: 'initiate:error', data: { message: err?.message, stack: err?.stack } });
             logError(err);
             return res.status(500).send('Failed to initiate OAuth');
         }
@@ -74,15 +83,36 @@ export default class IntegrationsController {
             const provider = req.params.provider;
             const code = req.query.code as string;
             const state = req.query.state as string;
+            integrationsDebugLog({ step: 'callback:start', data: { provider, hasCode: !!code, hasState: !!state, queryKeys: Object.keys(req.query) } });
 
             if (!code || !state) {
+                integrationsDebugLog({ step: 'callback:reject', data: 'missing code or state' });
                 return res.redirect(`${process.env.APP_URL}?oauth=error`);
             }
 
-            const { projectId, userLogin } = await req.appUser.integrationsManager.handleOAuthCallback(provider, code, state);
-            return res.redirect(`${process.env.APP_URL}/${userLogin}/${projectId}/integrations?oauth=success`);
-        } catch (err) {
-            logError(err);
+            const { projectId, orgSlug } = await req.appUser.integrationsManager.handleOAuthCallback(provider, code, state);
+            integrationsDebugLog({ step: 'callback:success', data: { projectId, orgSlug } });
+            return res.redirect(`${process.env.APP_URL}/${orgSlug}/${projectId}/integrations?oauth=success`);
+        } catch (err: any) {
+            integrationsDebugLog({
+                step: 'callback:error',
+                data: {
+                    message: err?.message,
+                    responseStatus: err?.response?.status,
+                    responseData: err?.response?.data,
+                    stack: err?.stack,
+                },
+            });
+            $logger.error(
+                {
+                    provider: req.params.provider,
+                    errorMessage: err?.message,
+                    responseStatus: err?.response?.status,
+                    responseData: err?.response?.data,
+                    stack: err?.stack,
+                },
+                '[integrations] OAuth callback failed',
+            );
             return res.redirect(`${process.env.APP_URL}?oauth=error`);
         }
     };
@@ -210,6 +240,91 @@ export default class IntegrationsController {
         }
     };
 
+    handleGiteaWebhook = async (req: Request, res: Response) => {
+        try {
+            const signature = req.headers['x-gitea-signature'] as string;
+            const event = req.headers['x-gitea-event'] as string;
+
+            if (!signature) {
+                return res.status(401).send('Missing signature');
+            }
+
+            if (event !== 'issues') {
+                return res.status(200).send('OK');
+            }
+
+            const repoFullName = req.body?.repository?.full_name;
+            if (!repoFullName) {
+                return res.status(400).send('Missing repository');
+            }
+
+            const repo = new IntegrationsRepository();
+            const integrations = await repo.fetchAllActiveByRepoFullName(repoFullName);
+            if (integrations.length === 0) {
+                return res.status(404).send('Integration not found');
+            }
+
+            // Verify signature with the first integration that has a webhook secret
+            const withSecret = integrations.find((i) => i.webhookSecretEncrypted);
+            if (!withSecret) {
+                return res.status(401).send('No webhook secret');
+            }
+            const secret = decrypt(withSecret.webhookSecretEncrypted!);
+            const rawBody = (req as any).rawBody as Buffer;
+            if (!rawBody || !verifyGiteaWebhookSignature({ rawBody, signature, secret })) {
+                return res.status(401).send('Invalid signature');
+            }
+
+            const action = req.body.action as string;
+            const issue = req.body.issue;
+            if (!issue) {
+                return res.status(200).send('OK');
+            }
+
+            const issueNumber = issue.number as number;
+            const issueTitle = issue.title as string;
+            const issueBody = (issue.body as string) || null;
+
+            for (const integration of integrations) {
+                const mapping = await repo.fetchMappingByIssueNumber(integration.id, issueNumber);
+
+                if (action === 'opened') {
+                    if (!mapping) {
+                        await repo.createTaskAndMapping(
+                            integration.projectId,
+                            issueTitle,
+                            integration.id,
+                            issueNumber,
+                            'open',
+                            issueBody,
+                            false,
+                            `${GITEA_BASE_URL}/${repoFullName}/issues/${issueNumber}`,
+                        );
+                    }
+                } else if (action === 'edited') {
+                    if (mapping) {
+                        await repo.updateTaskTitleAndNote(mapping.taskId, issueTitle, issueBody);
+                    }
+                } else if (action === 'closed') {
+                    if (mapping) {
+                        await repo.updateTaskComplete(mapping.taskId, true);
+                        await repo.updateMappingState(mapping.id, 'closed');
+                    }
+                } else if (action === 'reopened') {
+                    if (mapping) {
+                        await repo.updateTaskComplete(mapping.taskId, false);
+                        await repo.updateMappingState(mapping.id, 'open');
+                    }
+                }
+            }
+
+            return res.status(200).send('OK');
+        } catch (err) {
+            logError(err);
+            return res.status(500).send('Webhook processing failed');
+        }
+    };
+
     handleGitLabWebhook = async (req: Request, res: Response) => {
         try {
             const token = req.headers['x-gitlab-token'] as string;

api/src/tv-modules/integrations/IntegrationsManager.ts

@@ -8,10 +8,12 @@ import { $logger } from '../../modules/logget';
 import { IntegrationsRepository } from './IntegrationsRepository';
 import { TasksRepository } from '../tasks/TasksRepository';
 import type { IntegrationsSchemaTypeForSelect } from 'taskview-db-schemas';
-import type { IntegrationsArgAdd, IntegrationsArgDelete, IntegrationsArgFetch, IntegrationsArgSelectRepo, IntegrationsArgToggle, OAuthStatePayload, RepoItemForClient } from './types';
+import type { IntegrationProvider, IntegrationsArgAdd, IntegrationsArgDelete, IntegrationsArgFetch, IntegrationsArgSelectRepo, IntegrationsArgToggle, OAuthStatePayload, RepoItemForClient } from './types';
 import { randomBytes } from 'crypto';
 import { getGitHubOAuthUrl, exchangeGitHubCode, fetchGitHubRepos, fetchGitHubIssues, createGitHubWebhook, updateGitHubIssueState, GITHUB_BASE_URL } from './providers/github.provider';
 import { getGitLabOAuthUrl, exchangeGitLabCode, fetchGitLabRepos, fetchGitLabIssues, createGitLabWebhook, updateGitLabIssueState, refreshGitLabToken, GITLAB_BASE_URL } from './providers/gitlab.provider';
+import { getGiteaOAuthUrl, exchangeGiteaCode, fetchGiteaRepos, fetchGiteaIssues, createGiteaWebhook, updateGiteaIssueState, refreshGiteaToken, verifyGiteaToken, GITEA_BASE_URL } from './providers/gitea.provider';
+import { integrationsDebugLog } from './debugLog';
 
 export class IntegrationsManager {
     public readonly repository: IntegrationsRepository;
@@ -55,13 +57,16 @@ export class IntegrationsManager {
             return getGitHubOAuthUrl(state);
         } else if (provider === 'gitlab') {
             return getGitLabOAuthUrl(state);
+        } else if (provider === 'gitea') {
+            return getGiteaOAuthUrl(state);
         }
         throw new Error(`Unknown provider: ${provider}`);
     }
 
-    async handleOAuthCallback(provider: string, code: string, state: string): Promise<{ projectId: number; userLogin: string }> {
+    async handleOAuthCallback(provider: string, code: string, state: string): Promise<{ projectId: number; orgSlug: string }> {
         $logger.debug({ provider }, '[integrations] handleOAuthCallback start');
         const payload = jwt.verify(state, process.env.JWT_SIGN as string) as OAuthStatePayload;
+        integrationsDebugLog({ step: 'callback:state-verified', data: { userId: payload.userId, projectId: payload.projectId, provider: payload.provider } });
 
         if (payload.provider !== provider) {
             $logger.error({ provider, payloadProvider: payload.provider }, '[integrations] provider mismatch in state');
@@ -69,6 +74,7 @@ export class IntegrationsManager {
         }
 
         const userLogin = await this.repository.fetchUserLogin(payload.userId);
+        integrationsDebugLog({ step: 'callback:user-fetched', data: { userLogin } });
         if (!userLogin) {
             $logger.error({ userId: payload.userId }, '[integrations] user not found during OAuth callback');
             throw new Error('User not found');
@@ -84,19 +90,35 @@ export class IntegrationsManager {
             const tokens = await exchangeGitLabCode(code);
             accessTokenEncrypted = encrypt(tokens.accessToken);
             refreshTokenEncrypted = encrypt(tokens.refreshToken);
+        } else if (provider === 'gitea') {
+            const tokens = await exchangeGiteaCode(code);
+            integrationsDebugLog({ step: 'callback:token-exchanged', data: { hasAccessToken: !!tokens.accessToken, hasRefreshToken: !!tokens.refreshToken } });
+            accessTokenEncrypted = encrypt(tokens.accessToken);
+            refreshTokenEncrypted = tokens.refreshToken ? encrypt(tokens.refreshToken) : null;
         } else {
             throw new Error(`Unknown provider: ${provider}`);
         }
+        integrationsDebugLog({ step: 'callback:tokens-encrypted' });
 
-        await this.repository.createWithToken(
-            provider as 'github' | 'gitlab',
+        const created = await this.repository.createWithToken(
+            provider as IntegrationProvider,
             payload.projectId,
             accessTokenEncrypted,
             refreshTokenEncrypted,
         );
+        if (!created) {
+            integrationsDebugLog({ step: 'callback:db-insert-failed' });
+            throw new Error('Failed to store integration record');
+        }
+        integrationsDebugLog({ step: 'callback:integration-created', data: { integrationId: created.id } });
 
-        $logger.debug({ provider, projectId: payload.projectId, userLogin }, '[integrations] OAuth callback completed');
-        return { projectId: payload.projectId, userLogin };
+        // The app routes are /:orgSlug/:projectId/... — redirect must use the slug
+        // of the project's organization, falling back to the user login for legacy
+        // projects without an organization.
+        const orgSlug = await this.repository.fetchProjectOrgSlug(payload.projectId) ?? userLogin;
+
+        $logger.debug({ provider, projectId: payload.projectId, orgSlug }, '[integrations] OAuth callback completed');
+        return { projectId: payload.projectId, orgSlug };
     }
 
     async fetchRepos(integrationId: number): Promise<RepoItemForClient[]> {
@@ -126,6 +148,16 @@ export class IntegrationsManager {
                 description: r.description,
                 url: r.web_url,
             }));
+        } else if (integration.provider === 'gitea') {
+            const repos = await fetchGiteaRepos(accessToken);
+            return repos.map((r) => ({
+                id: r.id,
+                fullName: r.full_name,
+                name: r.name,
+                isPrivate: r.private,
+                description: r.description,
+                url: r.html_url,
+            }));
         }
 
         return [];
@@ -174,6 +206,14 @@ export class IntegrationsManager {
         } else if (integration.provider === 'gitlab' && integration.repoExternalId) {
             const result = await createGitLabWebhook(accessToken, Number(integration.repoExternalId), webhookUrl, webhookSecret);
             webhookId = String(result.id);
+        } else if (integration.provider === 'gitea') {
+            const result = await createGiteaWebhook({
+                accessToken,
+                repoFullName: integration.repoFullName,
+                webhookUrl,
+                secret: webhookSecret,
+            });
+            webhookId = String(result.id);
         } else {
             return;
         }
@@ -197,12 +237,11 @@ export class IntegrationsManager {
         const existingMappings = await this.repository.fetchMappingsByIntegrationId(integrationId);
         const mappingsByIssueNumber = new Map(existingMappings.map((m) => [m.issueNumber, m]));
 
+        const issueUrlPrefix = this.getIssueUrlPrefix(integration);
+
         // Backfill sourceUrl for existing tasks that don't have it yet
         if (existingMappings.length > 0) {
-            const baseUrl = integration.provider === 'github' ? GITHUB_BASE_URL : GITLAB_BASE_URL;
-            const issuePath = integration.provider === 'gitlab' ? '/-/issues/' : '/issues/';
-            const prefix = `${baseUrl}/${integration.repoFullName}${issuePath}`;
-            await this.repository.backfillSourceUrls(integrationId, prefix).catch(logError);
+            await this.repository.backfillSourceUrls(integrationId, issueUrlPrefix).catch(logError);
         }
 
         type NewIssueItem = { goalId: number; description: string; integrationId: number; issueNumber: number; issueState: string; note: string | null; complete: boolean; kanbanOrder: number; sourceUrl: string | null };
@@ -263,6 +302,34 @@ export class IntegrationsManager {
                     sourceUrl: `${GITLAB_BASE_URL}/${integration.repoFullName}/-/issues/${issue.iid}`,
                 });
             }
+        } else if (integration.provider === 'gitea') {
+            const issues = await fetchGiteaIssues({ accessToken, repoFullName: integration.repoFullName, since });
+            for (const issue of issues) {
+                const existing = mappingsByIssueNumber.get(issue.number);
+                if (existing) {
+                    const isClosed = issue.state === 'closed';
+                    const targetState = isClosed ? 'closed' : 'open';
+                    await this.repository.updateTaskComplete(existing.taskId, isClosed).catch(logError);
+                    if (existing.issueState !== targetState) {
+                        await this.repository.updateMappingState(existing.id, targetState).catch(logError);
+                    }
+                    await this.repository.updateTaskTitleAndNote(existing.taskId, issue.title, issue.body ?? null).catch(logError);
+                    await this.repository.updateTaskSourceUrl(existing.taskId, `${issueUrlPrefix}${issue.number}`).catch(logError);
+                    continue;
+                }
+                const isClosed = issue.state === 'closed';
+                newItems.push({
+                    goalId: integration.projectId,
+                    description: issue.title,
+                    integrationId,
+                    issueNumber: issue.number,
+                    issueState: isClosed ? 'closed' : 'open',
+                    note: issue.body ?? null,
+                    complete: isClosed,
+                    kanbanOrder: 0,
+                    sourceUrl: `${issueUrlPrefix}${issue.number}`,
+                });
+            }
         }
 
         // Issues come newest-first from API.
@@ -319,6 +386,13 @@ export class IntegrationsManager {
                 mapping.issueNumber,
                 complete ? 'close' : 'reopen',
             );
+        } else if (integration.provider === 'gitea') {
+            await updateGiteaIssueState({
+                accessToken,
+                repoFullName: integration.repoFullName,
+                issueNumber: mapping.issueNumber,
+                state: targetState,
+            });
         }
 
         await this.repository.updateMappingState(mapping.id, targetState);
@@ -326,41 +400,56 @@ export class IntegrationsManager {
         return true;
     }
 
+    private getIssueUrlPrefix(integration: IntegrationsSchemaTypeForSelect): string {
+        if (integration.provider === 'gitlab') {
+            return `${GITLAB_BASE_URL}/${integration.repoFullName}/-/issues/`;
+        }
+        const baseUrl = integration.provider === 'gitea' ? GITEA_BASE_URL : GITHUB_BASE_URL;
+        return `${baseUrl}/${integration.repoFullName}/issues/`;
+    }
+
     private async getAccessToken(integration: IntegrationsSchemaTypeForSelect): Promise<string | null> {
         if (!integration.accessTokenEncrypted) return null;
 
         const accessToken = decrypt(integration.accessTokenEncrypted);
 
-        if (integration.provider !== 'gitlab' || !integration.refreshTokenEncrypted) {
+        const hasExpiringToken = integration.provider === 'gitlab' || integration.provider === 'gitea';
+        if (!hasExpiringToken || !integration.refreshTokenEncrypted) {
             return accessToken;
         }
 
         // Try the current token, refresh on 401
         try {
-            const axios = (await import('axios')).default;
-            const gitlabApiUrl = process.env.GITLAB_API_URL || 'https://gitlab.com/api/v4';
-            await axios.get(`${gitlabApiUrl}/user`, {
-                headers: { Authorization: `Bearer ${accessToken}` },
-            });
+            if (integration.provider === 'gitea') {
+                await verifyGiteaToken(accessToken);
+            } else {
+                const axios = (await import('axios')).default;
+                const gitlabApiUrl = process.env.GITLAB_API_URL || 'https://gitlab.com/api/v4';
+                await axios.get(`${gitlabApiUrl}/user`, {
+                    headers: { Authorization: `Bearer ${accessToken}` },
+                });
+            }
             return accessToken;
         } catch (err: any) {
             if (err?.response?.status !== 401) return accessToken;
-            $logger.debug({ integrationId: integration.id }, '[integrations] GitLab token expired (401), refreshing');
+            $logger.debug({ integrationId: integration.id, provider: integration.provider }, '[integrations] token expired (401), refreshing');
         }
 
         // Token expired, refresh it
         try {
             const refreshToken = decrypt(integration.refreshTokenEncrypted);
-            const tokens = await refreshGitLabToken(refreshToken);
+            const tokens = integration.provider === 'gitea'
+                ? await refreshGiteaToken(refreshToken)
+                : await refreshGitLabToken(refreshToken);
             await this.repository.updateTokens(
                 integration.id,
                 encrypt(tokens.accessToken),
                 encrypt(tokens.refreshToken),
             );
-            $logger.debug({ integrationId: integration.id }, '[integrations] GitLab token refreshed successfully');
+            $logger.debug({ integrationId: integration.id, provider: integration.provider }, '[integrations] token refreshed successfully');
             return tokens.accessToken;
         } catch (err) {
-            $logger.error({ integrationId: integration.id, err }, '[integrations] GitLab token refresh failed');
+            $logger.error({ integrationId: integration.id, provider: integration.provider, err }, '[integrations] token refresh failed');
             return null;
         }
     }

api/src/tv-modules/integrations/IntegrationsRepository.ts

@@ -1,8 +1,8 @@
 import { and, eq, ne, isNull, sql } from 'drizzle-orm';
-import { IntegrationsSchema, IntegrationTaskMapSchema, TasksSchema, UsersSchema, type IntegrationsSchemaTypeForSelect, type IntegrationTaskMapSchemaTypeForSelect } from 'taskview-db-schemas';
+import { GoalsSchema, IntegrationsSchema, IntegrationTaskMapSchema, OrganizationsSchema, TasksSchema, UsersSchema, type IntegrationsSchemaTypeForSelect, type IntegrationTaskMapSchemaTypeForSelect } from 'taskview-db-schemas';
 import { Database } from '../../modules/db';
 import { callWithCatch } from '../../utils/helpers';
-import type { IntegrationsArgAdd, IntegrationsArgDelete, IntegrationsArgSelectRepo, IntegrationsArgToggle } from './types';
+import type { IntegrationProvider, IntegrationsArgAdd, IntegrationsArgDelete, IntegrationsArgSelectRepo, IntegrationsArgToggle } from './types';
 import { TasksRepository } from '../tasks/TasksRepository';
 
 export class IntegrationsRepository {
@@ -62,7 +62,7 @@ export class IntegrationsRepository {
     }
 
     async createWithToken(
-        provider: 'github' | 'gitlab',
+        provider: IntegrationProvider,
         projectId: number,
         accessTokenEncrypted: string,
         refreshTokenEncrypted?: string | null,
@@ -322,6 +322,17 @@ export class IntegrationsRepository {
         return !!result;
     }
 
+    async fetchProjectOrgSlug(projectId: number): Promise<string | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ slug: OrganizationsSchema.slug })
+                .from(GoalsSchema)
+                .innerJoin(OrganizationsSchema, eq(GoalsSchema.organizationId, OrganizationsSchema.id))
+                .where(eq(GoalsSchema.id, projectId))
+        );
+        if (!result || result.length === 0) return null;
+        return result[0].slug;
+    }
+
     async fetchUserLogin(userId: number): Promise<string | null> {
         const result = await callWithCatch(() =>
             this.db.dbDrizzle.select({ login: UsersSchema.login }).from(UsersSchema)

api/src/tv-modules/integrations/IntegrationsRoutes.ts

@@ -31,5 +31,6 @@ export default class IntegrationsRoutes implements Routable {
         this.router.get('/oauth/:provider/callback', this.controller.handleOAuthCallback);
         this.router.post('/webhook/github', this.controller.handleGitHubWebhook);
         this.router.post('/webhook/gitlab', this.controller.handleGitLabWebhook);
+        this.router.post('/webhook/gitea', this.controller.handleGiteaWebhook);
     }
 }

api/src/tv-modules/integrations/debugLog.ts

@@ -0,0 +1,15 @@
+import { appendFileSync } from 'fs';
+import type { IntegrationsDebugLogEntry } from './types';
+
+// TEMPORARY debug instrumentation for the integrations OAuth flow.
+// Remove this file and all integrationsDebugLog() calls once the Gitea
+// connect issue is resolved.
+const LOG_PATH = '/private/tmp/claude-501/-Users-nikolaygiman-Programming-HandScreamInc-taskview/1d568266-6fbf-457c-83c2-5c5ca619edf1/scratchpad/integrations-debug.log';
+
+export function integrationsDebugLog(entry: IntegrationsDebugLogEntry): void {
+    try {
+        appendFileSync(LOG_PATH, `${JSON.stringify({ ts: new Date().toISOString(), ...entry })}\n`);
+    } catch {
+        // debug logging must never break the flow
+    }
+}

api/src/tv-modules/integrations/middlewares/resolveProjectId.ts

@@ -2,22 +2,26 @@ import type { Request } from 'express';
 import { IntegrationsRepository } from '../IntegrationsRepository';
 
 /**
- * Resolves projectId from request.
- * Checks body (projectId, integrationId, id) and query (projectId, integrationId).
+ * Resolves the project to authorize the request against.
+ *
+ * When the request names an integration, the project is derived from that
+ * integration and a projectId supplied by the caller is ignored: every handler
+ * that takes an integration id acts on the integration, so authorizing a
+ * caller-supplied project would guard a different object than the one touched.
+ *
+ * Only create and fetch carry no integration id — there the project itself is
+ * the object being acted on, so it is read from the request.
  */
 export async function resolveProjectId(req: Request): Promise<number | null> {
-    // Direct projectId in body or query
-    const directId = req.body?.projectId ?? req.query?.projectId;
-    if (directId) {
-        const id = Number(directId);
-        return isNaN(id) ? null : id;
+    const integrationId = Number(req.body?.integrationId || req.query?.integrationId || req.body?.id);
+    if (integrationId && !isNaN(integrationId)) {
+        const repo = new IntegrationsRepository();
+        const integration = await repo.fetchById(integrationId);
+        return integration?.projectId ?? null;
     }
 
-    // integrationId from body or query, or id from body
-    const integrationId = Number(req.body?.integrationId || req.query?.integrationId || req.body?.id);
-    if (!integrationId || isNaN(integrationId)) return null;
+    const projectId = Number(req.body?.projectId || req.query?.projectId);
+    if (!projectId || isNaN(projectId)) return null;
 
-    const repo = new IntegrationsRepository();
-    const integration = await repo.fetchById(integrationId);
-    return integration?.projectId ?? null;
+    return projectId;
 }

api/src/tv-modules/integrations/providers/gitea.provider.ts

@@ -0,0 +1,182 @@
+import axios from 'axios';
+import { createHmac, timingSafeEqual } from 'crypto';
+import type { GiteaCreateWebhookArgs, GiteaFetchIssuesArgs, GiteaUpdateIssueStateArgs, GiteaVerifyWebhookSignatureArgs } from '../types';
+
+export const GITEA_BASE_URL = (process.env.GITEA_BASE_URL || 'https://gitea.com').replace(/\/+$/, '');
+const GITEA_API_URL = process.env.GITEA_API_URL || `${GITEA_BASE_URL}/api/v1`;
+
+export type GiteaRepo = {
+    id: number;
+    full_name: string;
+    name: string;
+    private: boolean;
+    description: string | null;
+    html_url: string;
+};
+
+export type GiteaIssue = {
+    number: number;
+    title: string;
+    body: string | null;
+    state: 'open' | 'closed';
+    html_url: string;
+};
+
+export function getGiteaOAuthUrl(state: string): string {
+    const clientId = process.env.GITEA_INTEGRATION_CLIENT_ID;
+    const redirectUri = process.env.GITEA_INTEGRATION_CALLBACK_URL;
+    if (!clientId || !redirectUri) {
+        throw new Error('Gitea integration OAuth is not configured');
+    }
+    const params = new URLSearchParams({
+        client_id: clientId,
+        redirect_uri: redirectUri,
+        response_type: 'code',
+        state,
+    });
+    return `${GITEA_BASE_URL}/login/oauth/authorize?${params.toString()}`;
+}
+
+export async function exchangeGiteaCode(code: string): Promise<{ accessToken: string; refreshToken: string | null }> {
+    const res = await axios.post<{ access_token: string; refresh_token?: string; token_type: string }>(
+        `${GITEA_BASE_URL}/login/oauth/access_token`,
+        {
+            client_id: process.env.GITEA_INTEGRATION_CLIENT_ID,
+            client_secret: process.env.GITEA_INTEGRATION_CLIENT_SECRET,
+            code,
+            grant_type: 'authorization_code',
+            redirect_uri: process.env.GITEA_INTEGRATION_CALLBACK_URL,
+        },
+        {
+            headers: { Accept: 'application/json' },
+        },
+    );
+    if (!res.data.access_token) {
+        throw new Error('Failed to exchange Gitea code for token');
+    }
+    return {
+        accessToken: res.data.access_token,
+        refreshToken: res.data.refresh_token ?? null,
+    };
+}
+
+export async function refreshGiteaToken(refreshToken: string): Promise<{ accessToken: string; refreshToken: string }> {
+    const res = await axios.post<{ access_token: string; refresh_token: string; token_type: string }>(
+        `${GITEA_BASE_URL}/login/oauth/access_token`,
+        {
+            client_id: process.env.GITEA_INTEGRATION_CLIENT_ID,
+            client_secret: process.env.GITEA_INTEGRATION_CLIENT_SECRET,
+            refresh_token: refreshToken,
+            grant_type: 'refresh_token',
+        },
+        {
+            headers: { Accept: 'application/json' },
+        },
+    );
+    if (!res.data.access_token) {
+        throw new Error('Failed to refresh Gitea token');
+    }
+    return {
+        accessToken: res.data.access_token,
+        refreshToken: res.data.refresh_token,
+    };
+}
+
+export async function verifyGiteaToken(accessToken: string): Promise<void> {
+    await axios.get(`${GITEA_API_URL}/user`, {
+        headers: { Authorization: `Bearer ${accessToken}` },
+    });
+}
+
+export async function fetchGiteaRepos(accessToken: string): Promise<GiteaRepo[]> {
+    const repos: GiteaRepo[] = [];
+    let page = 1;
+    const perPage = 50;
+
+    while (true) {
+        const res = await axios.get<GiteaRepo[]>(`${GITEA_API_URL}/user/repos`, {
+            headers: {
+                Authorization: `Bearer ${accessToken}`,
+            },
+            params: {
+                limit: perPage,
+                page,
+            },
+        });
+        repos.push(...res.data);
+        if (res.data.length < perPage) break;
+        page++;
+    }
+
+    return repos;
+}
+
+export async function fetchGiteaIssues(args: GiteaFetchIssuesArgs): Promise<GiteaIssue[]> {
+    const issues: GiteaIssue[] = [];
+    let page = 1;
+    const perPage = 50;
+
+    while (true) {
+        const res = await axios.get<GiteaIssue[]>(`${GITEA_API_URL}/repos/${args.repoFullName}/issues`, {
+            headers: {
+                Authorization: `Bearer ${args.accessToken}`,
+            },
+            params: {
+                state: 'all',
+                // Gitea returns pull requests from the issues endpoint too — this excludes them
+                type: 'issues',
+                limit: perPage,
+                page,
+                ...(args.since ? { since: args.since } : {}),
+            },
+        });
+        issues.push(...res.data);
+        if (res.data.length < perPage) break;
+        page++;
+    }
+
+    return issues;
+}
+
+export async function createGiteaWebhook(args: GiteaCreateWebhookArgs): Promise<{ id: number }> {
+    const res = await axios.post<{ id: number }>(
+        `${GITEA_API_URL}/repos/${args.repoFullName}/hooks`,
+        {
+            type: 'gitea',
+            active: true,
+            events: ['issues'],
+            config: {
+                url: args.webhookUrl,
+                content_type: 'json',
+                secret: args.secret,
+            },
+        },
+        {
+            headers: {
+                Authorization: `Bearer ${args.accessToken}`,
+            },
+        },
+    );
+    return { id: res.data.id };
+}
+
+export function verifyGiteaWebhookSignature(args: GiteaVerifyWebhookSignatureArgs): boolean {
+    const expected = createHmac('sha256', args.secret).update(args.rawBody).digest('hex');
+    try {
+        return timingSafeEqual(Buffer.from(args.signature), Buffer.from(expected));
+    } catch {
+        return false;
+    }
+}
+
+export async function updateGiteaIssueState(args: GiteaUpdateIssueStateArgs): Promise<void> {
+    await axios.patch(
+        `${GITEA_API_URL}/repos/${args.repoFullName}/issues/${args.issueNumber}`,
+        { state: args.state },
+        {
+            headers: {
+                Authorization: `Bearer ${args.accessToken}`,
+            },
+        },
+    );
+}

api/src/tv-modules/integrations/types.ts

@@ -1,7 +1,7 @@
 import { type } from 'arktype';
 
 export const IntegrationsArkTypeAdd = type({
-    provider: "'github' | 'gitlab'",
+    provider: "'github' | 'gitlab' | 'gitea'",
     repoFullName: 'string',
     projectId: 'number',
 });
@@ -30,10 +30,43 @@ export const IntegrationsArkTypeSelectRepo = type({
 });
 export type IntegrationsArgSelectRepo = typeof IntegrationsArkTypeSelectRepo.infer;
 
+export type IntegrationProvider = 'github' | 'gitlab' | 'gitea';
+
 export type OAuthStatePayload = {
     userId: number;
     projectId: number;
-    provider: 'github' | 'gitlab';
+    provider: IntegrationProvider;
+};
+
+export type GiteaFetchIssuesArgs = {
+    accessToken: string;
+    repoFullName: string;
+    since?: string;
+};
+
+export type GiteaCreateWebhookArgs = {
+    accessToken: string;
+    repoFullName: string;
+    webhookUrl: string;
+    secret: string;
+};
+
+export type GiteaVerifyWebhookSignatureArgs = {
+    rawBody: Buffer;
+    signature: string;
+    secret: string;
+};
+
+export type GiteaUpdateIssueStateArgs = {
+    accessToken: string;
+    repoFullName: string;
+    issueNumber: number;
+    state: 'open' | 'closed';
+};
+
+export type IntegrationsDebugLogEntry = {
+    step: string;
+    data?: unknown;
 };
 
 export type RepoItemForClient = {

api/src/tv-modules/kanban/KanbanRoutes.ts

@@ -1,10 +1,11 @@
 import { Router } from 'express';
 import type { Routable } from '../../types/routable.type';
+import { GoalPermissions } from '../../types/auth.types';
 import { IsLoggedIn } from '../auth/middlewares/is-logged-in';
 import { KanbanController } from './KanbanController';
-import { CanManageKanban } from './middlewares/CanManageKanban';
-import { CanViewKanban } from './middlewares/CanViewKanban';
-import { CanFetchTasks } from './middlewares/CanFetchTasks';
+import { goalIdFromBody, goalIdFromParam, goalIdFromStatusBody } from './middlewares/goal-id-resolvers';
+import { requireKanbanPermission } from './middlewares/require-kanban-permission';
+
 export default class KanbanRoutes implements Routable {
     private readonly router: ReturnType<typeof Router>;
     private readonly kanbanController: KanbanController;
@@ -20,17 +21,89 @@ export default class KanbanRoutes implements Routable {
     }
 
     initRoutes() {
-        this.router.post('/fetch-statuses', [IsLoggedIn, CanViewKanban], this.kanbanController.fetchAllColumns);
-        this.router.post('/add-status', [IsLoggedIn, CanManageKanban], this.kanbanController.addStatus);
-        this.router.post('/delete-status', [IsLoggedIn, CanManageKanban], this.kanbanController.deleteStatus);
-        this.router.post('/update-status', [IsLoggedIn, CanManageKanban], this.kanbanController.updateStatus);
+        this.router.post(
+            '/fetch-statuses',
+            [
+                IsLoggedIn,
+                requireKanbanPermission({
+                    anyOf: [GoalPermissions.KANBAN_CAN_VIEW],
+                    resolveGoalId: goalIdFromBody,
+                }),
+            ],
+            this.kanbanController.fetchAllColumns
+        );
 
-        // this.router.get('columns/:goalId', [IsLoggedIn], this.kanbanController.fetchAllColumns);
-        this.router.get('/tasks/:goalId/:columnId/:cursor', [IsLoggedIn, CanViewKanban, CanFetchTasks], this.kanbanController.fetchTasksForColumn);
+        this.router.post(
+            '/add-status',
+            [
+                IsLoggedIn, requireKanbanPermission({
+                    anyOf: [GoalPermissions.KANBAN_CAN_MANAGE],
+                    resolveGoalId: goalIdFromBody
+                })
+            ],
+            this.kanbanController.addStatus
+        );
+
+        this.router.post(
+            '/delete-status',
+            [
+                IsLoggedIn, requireKanbanPermission({
+                    anyOf: [GoalPermissions.KANBAN_CAN_MANAGE],
+                    resolveGoalId: goalIdFromStatusBody
+                })
+            ],
+            this.kanbanController.deleteStatus
+        );
+
+        this.router.post(
+            '/update-status',
+            [
+                IsLoggedIn, requireKanbanPermission({
+                    anyOf: [GoalPermissions.KANBAN_CAN_MANAGE],
+                    resolveGoalId: goalIdFromStatusBody
+                })
+            ],
+            this.kanbanController.updateStatus
+        );
+
+        this.router.get(
+            '/tasks/:goalId/:columnId/:cursor',
+            [
+                IsLoggedIn,
+                requireKanbanPermission({
+                    anyOf: [GoalPermissions.KANBAN_CAN_VIEW],
+                    resolveGoalId: goalIdFromParam,
+                }),
+                requireKanbanPermission({
+                    anyOf: [GoalPermissions.COMPONENT_CAN_WATCH_CONTENT],
+                    resolveGoalId: goalIdFromParam,
+                }),
+            ],
+            this.kanbanController.fetchTasksForColumn
+        );
 
         //we do not use this route in the client (no logic for this route on the client side)!!!
-        this.router.get('/tasks-order/:goalId/:columnId/:cursor', [IsLoggedIn, CanManageKanban], this.kanbanController.getTasksOrderForColumnAndCursor);
+        this.router.get(
+            '/tasks-order/:goalId/:columnId/:cursor',
+            [
+                IsLoggedIn, requireKanbanPermission({
+                    anyOf: [GoalPermissions.KANBAN_CAN_VIEW],
+                    resolveGoalId: goalIdFromParam
+                })
+            ],
+            this.kanbanController.getTasksOrderForColumnAndCursor
+        );
 
-        this.router.patch('/update-tasks-order-and-column', [IsLoggedIn, CanManageKanban], this.kanbanController.updateTasksOrderAndColumn);
+        this.router.patch(
+            '/update-tasks-order-and-column',
+            [
+                IsLoggedIn,
+                requireKanbanPermission({
+                    anyOf: [GoalPermissions.KANBAN_CAN_MANAGE],
+                    resolveGoalId: goalIdFromBody
+                })
+            ],
+            this.kanbanController.updateTasksOrderAndColumn
+        );
     }
 }

api/src/tv-modules/kanban/middlewares/CanFetchTasks.ts

@@ -1,33 +0,0 @@
-import type { NextFunction, Request, Response } from 'express';
-import { GoalPermissionsFetcher } from '../../../core/GoalPermissionsFetcher';
-import { $logger } from '../../../modules/logget';
-import { GoalPermissions } from '../../../types/auth.types';
-import { logError } from '../../../utils/api';
-import { KanbanArkTypeCanManageKanban } from '../types';
-import { ArkErrors } from 'arktype';
-
-export const CanFetchTasks = async (req: Request, res: Response, next: NextFunction) => {
-    const props = req.body.goalId ? req.body : req.params;
-
-    const data = KanbanArkTypeCanManageKanban(props);
-
-    if (data instanceof ArkErrors) {
-        return res.status(400).send(data.summary);
-    }
-
-    const permissions = await req.appUser.permissionsFetcher
-        .getPermissionsForType(data.goalId, GoalPermissionsFetcher.PERMISSION_TYPE_FOR_GOAL)
-        .catch(logError);
-
-
-    if (!permissions) {
-        $logger.error('Can not get permissions for CanAddTask middleware');
-        return res.status(500).end();
-    }
-
-    if (permissions.hasPermissions(GoalPermissions.COMPONENT_CAN_WATCH_CONTENT)) {
-        return next();
-    }
-
-    return res.status(403).end();
-};

api/src/tv-modules/kanban/middlewares/CanManageKanban.ts

@@ -1,54 +0,0 @@
-import type { NextFunction, Request, Response } from 'express';
-import { GoalPermissionsFetcher } from '../../../core/GoalPermissionsFetcher';
-import { $logger } from '../../../modules/logget';
-import { GoalPermissions } from '../../../types/auth.types';
-import { ALL_TASKS_LIST_ID, DEFAULT_ID } from '../../../types/tasks.types';
-import { logError } from '../../../utils/api';
-import { KanbanArkTypeCanManageKanban } from '../types';
-import { ArkErrors } from 'arktype';
-
-export const CanManageKanban = async (req: Request, res: Response, next: NextFunction) => {
-    let props = req.body.goalId ? req.body : req.params;
-
-    switch (req.url) {
-        case '/update-status':
-            const result = await req.appUser.kanbanManager.repository.fetchStatus(req.body.id);
-            props = {
-                goalId: result?.goal_id,
-            };
-            break;
-        case '/delete-status':
-            const result2 = await req.appUser.kanbanManager.repository.fetchStatus(req.body.id);
-            props = {
-                goalId: result2?.goal_id,
-            };
-            break;
-        default:
-            break;
-    }
-
-    const data = KanbanArkTypeCanManageKanban(props);
-
-    if (data instanceof ArkErrors) {
-        return res.status(400).send(data.summary);
-    }
-
-    const permissions = await req.appUser.permissionsFetcher
-        .getPermissionsForType(data.goalId, GoalPermissionsFetcher.PERMISSION_TYPE_FOR_GOAL)
-        .catch(logError);
-
-
-    if (!permissions) {
-        $logger.error('Can not get permissions for CanAddTask middleware');
-        return res.status(500).end();
-    }
-
-    if (
-        permissions.hasPermissions(GoalPermissions.COMPONENT_CAN_ADD_TASKS) ||
-        permissions.hasPermissions(GoalPermissions.TASKS_CAN_ADD_SUBTASKS)
-    ) {
-        return next();
-    }
-
-    return res.status(403).end();
-};

api/src/tv-modules/kanban/middlewares/CanViewKanban.ts

@@ -1,33 +0,0 @@
-import type { NextFunction, Request, Response } from 'express';
-import { GoalPermissionsFetcher } from '../../../core/GoalPermissionsFetcher';
-import { $logger } from '../../../modules/logget';
-import { GoalPermissions } from '../../../types/auth.types';
-import { logError } from '../../../utils/api';
-import { KanbanArkTypeCanManageKanban } from '../types';
-import { ArkErrors } from 'arktype';
-
-export const CanViewKanban = async (req: Request, res: Response, next: NextFunction) => {
-    const props = req.body.goalId ? req.body : req.params;
-
-    const data = KanbanArkTypeCanManageKanban(props);
-
-    if (data instanceof ArkErrors) {
-        return res.status(400).send(data.summary);
-    }
-
-    const permissions = await req.appUser.permissionsFetcher
-        .getPermissionsForType(data.goalId, GoalPermissionsFetcher.PERMISSION_TYPE_FOR_GOAL)
-        .catch(logError);
-
-
-    if (!permissions) {
-        $logger.error('Can not get permissions for CanAddTask middleware');
-        return res.status(500).end();
-    }
-
-    if (permissions.hasPermissions(GoalPermissions.KANBAN_CAN_VIEW)) {
-        return next();
-    }
-
-    return res.status(403).end();
-};

api/src/tv-modules/kanban/middlewares/goal-id-resolvers.ts

@@ -0,0 +1,19 @@
+import type { Request } from 'express';
+
+export function goalIdFromParam(req: Request): number | null {
+    const goalId = Number(req.params.goalId);
+    return goalId && !isNaN(goalId) ? goalId : null;
+}
+
+export function goalIdFromBody(req: Request): number | null {
+    const goalId = Number(req.body?.goalId);
+    return goalId && !isNaN(goalId) ? goalId : null;
+}
+
+export async function goalIdFromStatusBody(req: Request): Promise<number | null> {
+    const statusId = Number(req.body?.id);
+    if (!statusId || isNaN(statusId)) return null;
+
+    const status = await req.appUser.kanbanManager.repository.fetchStatus(statusId);
+    return status?.goal_id ?? null;
+}

api/src/tv-modules/kanban/middlewares/require-kanban-permission.ts

@@ -0,0 +1,24 @@
+import type { NextFunction, Request, Response } from 'express';
+import { GoalPermissionsFetcher } from '../../../core/GoalPermissionsFetcher';
+import { $logger } from '../../../modules/logget';
+import { logError } from '../../../utils/api';
+import type { RequireKanbanPermissionArgs } from '../types';
+
+export function requireKanbanPermission({ anyOf, resolveGoalId }: RequireKanbanPermissionArgs) {
+    return async (req: Request, res: Response, next: NextFunction) => {
+        const goalId = await resolveGoalId(req);
+        if (!goalId) return res.status(400).end();
+
+        const permissions = await req.appUser.permissionsFetcher
+            .getPermissionsForType(goalId, GoalPermissionsFetcher.PERMISSION_TYPE_FOR_GOAL)
+            .catch(logError);
+
+        if (!permissions) {
+            $logger.error('Can not resolve kanban permissions');
+            return res.status(500).end();
+        }
+
+        if (anyOf.some((permission) => permissions.hasPermissions(permission))) return next();
+        return res.status(403).end();
+    };
+}

api/src/tv-modules/kanban/types.ts

@@ -1,6 +1,8 @@
 import { type } from 'arktype';
+import type { Request } from 'express';
 import { z } from 'zod';
 import { StringToNumber } from '../../types/app.types';
+import type { GoalPermissionType } from '../../types/auth.types';
 
 // ============ Arktype schemas ============
 
@@ -102,11 +104,13 @@ export const KanbanArkTypeUpdateTasksOrder = type({
 
 export type KanbanArgUpdateTasksOrder = typeof KanbanArkTypeUpdateTasksOrder.infer;
 
-export const KanbanArkTypeCanManageKanban = type({
-    goalId: NumberFromString,
-});
+export type KanbanGoalIdResolver = (req: Request) => Promise<number | null> | number | null;
 
-export type KanbanArgCanManageKanban = typeof KanbanArkTypeCanManageKanban.infer;
+export type RequireKanbanPermissionArgs = {
+    /** the caller must hold at least ONE of these */
+    anyOf: GoalPermissionType[];
+    resolveGoalId: KanbanGoalIdResolver;
+};
 
 // ============ Deprecated Zod schemas ============
 

api/src/tv-modules/messaging/MessagingController.ts

@@ -0,0 +1,241 @@
+import type { Request, Response } from 'express';
+import { ArkErrors } from 'arktype';
+import AuthController from '../auth/AuthController';
+import { AppUser } from '../../core/AppUser';
+import { GoalPermissions } from '../../types/auth.types';
+import { $logger } from '../../modules/logget';
+import { MessagingManager } from './MessagingManager';
+import { SlackInboundManager } from './SlackInboundManager';
+import { SLACK_OAUTH_NONCE_COOKIE } from './config';
+import {
+    MessagingArkTypeConnectLink,
+    MessagingArkTypeById,
+    MessagingArkTypeToggle,
+    MessagingArkTypeUpdateEvents,
+    MessagingArkTypeProviderParam,
+    MessagingArkTypeProjectToggle,
+    MessagingArkTypeProjectDelete,
+    MessagingArkTypeProjectPostContent,
+} from './types';
+import { getAuthorizedGoalId } from './middlewares/ProjectMessagingPermission';
+
+export class MessagingController {
+    private readonly manager = new MessagingManager();
+    private readonly slackInbound = new SlackInboundManager();
+
+    // Slash command (/task). Signature already verified by VerifySlackRequest.
+    slackCommands = async (req: Request, res: Response) => {
+        try {
+            const reply = await this.slackInbound.handleSlashCommand(req.body ?? {});
+            return res.json(reply);
+        } catch (err) {
+            $logger.error(err, '[Messaging/Slack] slash command failed');
+            return res.json({ response_type: 'ephemeral', text: 'Something went wrong handling that command.' });
+        }
+    };
+
+    // Button clicks and modal submissions. Payload is a JSON string in the `payload` field.
+    slackInteractivity = async (req: Request, res: Response) => {
+        try {
+            const raw = (req.body as { payload?: unknown })?.payload;
+            const interaction = typeof raw === 'string' ? JSON.parse(raw) : raw;
+            const result = await this.slackInbound.handleInteraction(interaction ?? {});
+            return res.json(result ?? {});
+        } catch (err) {
+            $logger.error(err, '[Messaging/Slack] interactivity failed');
+            return res.status(200).end();
+        }
+    };
+
+    fetch = async (req: Request, res: Response) => {
+        const userId = req.appUser.getUserData()?.id;
+        if (!userId) return res.status(401).end();
+
+        const result = await this.manager.fetchPersonalConnections(userId);
+        return res.tvJson(result);
+    };
+
+    connectLink = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeConnectLink({ ...req.params, ...req.query });
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+
+        const userId = req.appUser.getUserData()?.id;
+        if (!userId) return res.status(401).end();
+
+        const result = await this.manager.createPersonalConnectLink(userId, data.provider);
+        if (!result) return res.status(503).end();
+        return res.tvJson(result);
+    };
+
+    toggle = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeToggle(req.body);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+
+        const userId = req.appUser.getUserData()?.id;
+        if (!userId) return res.status(401).end();
+
+        const result = await this.manager.togglePersonal(data.id, userId, data.isActive);
+        if (!result) return res.status(404).end();
+        return res.tvJson(result);
+    };
+
+    delete = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeById(req.body);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+
+        const userId = req.appUser.getUserData()?.id;
+        if (!userId) return res.status(401).end();
+
+        const result = await this.manager.deletePersonal(data.id, userId);
+        return res.tvJson(result);
+    };
+
+    updateEvents = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeUpdateEvents(req.body);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+
+        const userId = req.appUser.getUserData()?.id;
+        if (!userId) return res.status(401).end();
+
+        const result = await this.manager.updatePersonalEvents(data.id, userId, data.events);
+        if (!result) return res.status(404).end();
+        return res.tvJson(result);
+    };
+
+    fetchProject = async (_req: Request, res: Response) => {
+        const result = await this.manager.fetchProjectConnections(getAuthorizedGoalId(res));
+        return res.tvJson(result);
+    };
+
+    projectConnectLink = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeProviderParam(req.params);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+
+        const userId = req.appUser.getUserData()?.id;
+        if (!userId) return res.status(401).end();
+
+        const result = await this.manager.createProjectConnectLink(getAuthorizedGoalId(res), userId, data.provider);
+        if (!result) return res.status(503).end();
+        return res.tvJson(result);
+    };
+
+    toggleProject = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeProjectToggle(req.body);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+        const result = await this.manager.toggleProject(data.id, getAuthorizedGoalId(res), data.isActive);
+        if (!result) return res.status(404).end();
+        return res.tvJson(result);
+    };
+
+    deleteProject = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeProjectDelete(req.body);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+        const result = await this.manager.deleteProject(data.id, getAuthorizedGoalId(res));
+        return res.tvJson(result);
+    };
+
+    updateProjectEvents = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeUpdateEvents(req.body);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+        const result = await this.manager.updateProjectEvents(data.id, getAuthorizedGoalId(res), data.events);
+        if (!result) return res.status(404).end();
+        return res.tvJson(result);
+    };
+
+    updateProjectPostContent = async (req: Request, res: Response) => {
+        const data = MessagingArkTypeProjectPostContent(req.body);
+        if (data instanceof ArkErrors) {
+            return res.status(400).send(data.summary);
+        }
+        const result = await this.manager.updateProjectPostContent(data.id, getAuthorizedGoalId(res), data.postContent);
+        if (!result) return res.status(404).end();
+        return res.tvJson(result);
+    };
+
+    // Slack uses OAuth (browser redirect), so the user's JWT is passed as ?token and
+    // validated manually — a full-page redirect can't carry the API Authorization header.
+    slackOAuthStart = async (req: Request, res: Response) => {
+        try {
+            const token = req.query.token as string;
+            if (!token) return res.status(401).send('token is required');
+
+            const userPayload = await AuthController.validateTokens(token);
+            const userId = userPayload?.userData?.id;
+            if (!userId) return res.status(401).send('Invalid token');
+
+            if (!this.manager.getProvider('slack')?.isConfigured()) {
+                return res.status(503).send('Slack is not configured on the server (set SLACK_CLIENT_ID, SLACK_CLIENT_SECRET, SLACK_CALLBACK_URL)');
+            }
+
+            const scope: 'user' | 'project' = req.query.scope === 'project' ? 'project' : 'user';
+            let ownerId = userId;
+
+            if (scope === 'project') {
+                const goalId = Number(req.query.goalId);
+                if (!goalId || Number.isNaN(goalId)) return res.status(400).send('goalId is required');
+                const checker = await new AppUser(userPayload).permissionsFetcher.getCheckerForGoal(goalId);
+                if (!checker.hasPermissions(GoalPermissions.INTEGRATIONS_CAN_MANAGE)) return res.status(403).end();
+                ownerId = goalId;
+            }
+
+            const returnPath = this.safeReturnPath(req.query.returnPath);
+            const start = await this.manager.startOAuthConnect('slack', { ownerType: scope, ownerId, userId, returnPath });
+            if (!start) return res.status(503).send('Slack is not configured on the server');
+            // The provider hands back the anti-CSRF nonce cookie to set on this browser.
+            if (start.kind === 'oauth') {
+                res.cookie(start.setCookie.name, start.setCookie.value, {
+                    httpOnly: true,
+                    secure: process.env.NODE_ENV === 'production',
+                    sameSite: 'lax',
+                    maxAge: start.setCookie.maxAgeMs,
+                });
+            }
+            return res.redirect(start.url);
+        } catch (err) {
+            $logger.error(err, '[Messaging/Slack] Failed to start OAuth');
+            return res.status(500).send('Failed to start Slack OAuth');
+        }
+    };
+
+    slackOAuthCallback = async (req: Request, res: Response) => {
+        const code = req.query.code as string;
+        const state = req.query.state as string;
+        const nonce = req.cookies?.[SLACK_OAUTH_NONCE_COOKIE] as string | undefined;
+        res.clearCookie(SLACK_OAUTH_NONCE_COOKIE);
+        if (!code || !state) return res.redirect(`${process.env.APP_URL}?messaging=error`);
+        try {
+            const result = await this.manager.handleInbound('slack', { source: 'oauth-callback', payload: { code, state }, cookie: nonce });
+            return res.redirect(`${process.env.APP_URL}${this.safeReturnPath(result?.redirect)}?messaging=connected`);
+        } catch (err) {
+            $logger.error({ error: err instanceof Error ? err.message : String(err), hasNonce: !!nonce }, '[Messaging/Slack] OAuth callback failed');
+            return res.redirect(`${process.env.APP_URL}?messaging=error`);
+        }
+    };
+
+    private safeReturnPath(value: unknown): string {
+        return typeof value === 'string' && value.startsWith('/') && !value.startsWith('//') && !value.includes('\\')
+            ? value
+            : '';
+    }
+
+    telegramWebhook = async (req: Request, res: Response) => {
+        res.status(200).end();
+        await this.manager.handleInbound('telegram', { source: 'webhook', payload: req.body });
+    };
+}

api/src/tv-modules/messaging/MessagingDispatcher.ts

@@ -0,0 +1,371 @@
+import { eq } from 'drizzle-orm';
+import { SprintsSchema, TasksSchema } from 'taskview-db-schemas';
+import { eventBus, type AppEvents } from '../../core/EventBus';
+import { getJobQueue } from '../../core/JobQueue';
+import { Database } from '../../modules/db';
+import { decrypt } from '../../utils/crypto';
+import { $logger } from '../../modules/logget';
+import { GoalPermissionsRepository } from '../../core/GoalPermissionsRepository';
+import { GoalPermissionsChecker } from '../../core/GoalPermissionsChecker';
+import { GoalPermissions } from '../../types/auth.types';
+import { MessagingRepository } from './MessagingRepository';
+import { MessagingManager } from './MessagingManager';
+import { buildMessagingMessage } from './messages';
+import { buildTaskDeepLink } from './utils';
+import type { Dispatcher } from '../../core/Dispatcher';
+import type { MessagingConnectionsSchemaTypeForSelect } from 'taskview-db-schemas';
+import type { MessagingDeliverJobData, MessagingEvent, MessagingProviderId } from './types';
+import type { MessagingDispatchArgs, MessagingRecipient, MessagingTaskContext } from './types.internal';
+
+const MESSAGING_DELIVER_JOB = 'messaging-deliver';
+const MAX_ATTEMPTS = 3;
+
+export class MessagingDispatcher implements Dispatcher {
+    private readonly repository = new MessagingRepository();
+    private readonly manager = new MessagingManager();
+    private readonly permissionsRepo = new GoalPermissionsRepository();
+
+    register(): void {
+        eventBus.on('task.created', (data) => this.onTaskCreated(data));
+        eventBus.on('task.assigneesChanged', (data) => this.onTaskAssigned(data));
+        eventBus.on('task.updated', (data) => this.onTaskUpdated(data));
+        eventBus.on('task.assignedToSprint', (data) => this.onTaskAddedToSprint(data));
+        eventBus.on('task.deleted', (data) => this.onTaskDeleted(data));
+
+        eventBus.on('sprint.created', (data) => this.onSprintObj('sprint.created', data));
+        eventBus.on('sprint.updated', (data) => this.onSprintObj('sprint.updated', data));
+        eventBus.on('sprint.activated', (data) => this.onSprint('sprint.started', data));
+        eventBus.on('sprint.reviewStarted', (data) => this.onSprint('sprint.reviewStarted', data));
+        eventBus.on('sprint.completed', (data) => this.onSprint('sprint.completed', data));
+        eventBus.on('sprint.paused', (data) => this.onSprint('sprint.paused', data));
+        eventBus.on('sprint.resumed', (data) => this.onSprint('sprint.resumed', data));
+        eventBus.on('sprint.deleted', (data) => this.onSprint('sprint.deleted', data));
+
+        eventBus.on('collaboration.userAdded', (data) => this.onMember('member.added', data.goalId, data.email, data.initiatorId));
+        eventBus.on('collaboration.userRemoved', (data) => this.onMemberByCollab('member.removed', data.goalId, data.collaborationUserId, data.initiatorId));
+        eventBus.on('collaboration.rolesChanged', (data) => this.onMemberByCollab('member.rolesChanged', data.goalId, data.collaborationUserId, data.initiatorId));
+
+        eventBus.on('time-entry.started', (data) => this.onTimeEntry('time.started', data.goalId, data.taskId, data.userId));
+        eventBus.on('time-entry.stopped', (data) => this.onTimeEntry('time.stopped', data.goalId, data.taskId, data.userId));
+        eventBus.on('time-entry.created', (data) => this.onTimeEntry('time.logged', data.entry.goalId, data.entry.taskId, data.initiatorId));
+        eventBus.on('time-entry.updated', (data) => this.onTimeEntry('time.updated', data.entry.goalId, data.entry.taskId, data.initiatorId));
+        eventBus.on('time-entry.deleted', (data) => this.onTimeEntry('time.deleted', data.goalId, data.taskId, data.initiatorId));
+
+        eventBus.on('recurrence.created', (data) => this.onRecurrence('recurrence.created', data.rule.goalId, data.initiatorId));
+        eventBus.on('recurrence.updated', (data) => this.onRecurrence('recurrence.updated', data.rule.goalId, data.initiatorId));
+        eventBus.on('recurrence.paused', (data) => this.onRecurrence('recurrence.paused', data.goalId, data.initiatorId));
+        eventBus.on('recurrence.resumed', (data) => this.onRecurrence('recurrence.resumed', data.goalId, data.initiatorId));
+        eventBus.on('recurrence.ended', (data) => this.onRecurrence('recurrence.ended', data.goalId, data.initiatorId));
+        eventBus.on('recurrence.deleted', (data) => this.onRecurrence('recurrence.deleted', data.goalId, data.initiatorId));
+        eventBus.on('recurrence.instanceSkipped', (data) => this.onRecurrence('recurrence.skipped', data.goalId, data.initiatorId));
+    }
+
+    async registerWorkers(): Promise<void> {
+        const boss = getJobQueue();
+        await boss.createQueue(MESSAGING_DELIVER_JOB);
+        await boss.work<MessagingDeliverJobData>(MESSAGING_DELIVER_JOB, async ([job]) => {
+            await this.deliverJob(job.data);
+        });
+    }
+
+    private async onTaskCreated(data: AppEvents['task.created']): Promise<void> {
+        // A brand-new task usually has no assignees yet, so target project members.
+        const recipients = await this.repository.fetchProjectMemberRecipients(data.task.goalId);
+        await this.dispatch({
+            event: 'task.created',
+            goalId: data.task.goalId,
+            personalRecipients: recipients,
+            initiatorId: data.initiatorId,
+            task: this.taskCtx(data.task)
+        });
+    }
+
+    private async onTaskAssigned(data: AppEvents['task.assigneesChanged']): Promise<void> {
+        if (data.userIds.length === 0) return;
+        const task = await this.fetchTask(data.taskId);
+        if (!task) return;
+
+        // Keep only collab ids still assigned AND still project members, then resolve to auth recipients.
+        const currentAssignees = new Set(await this.repository.fetchCurrentAssigneeCollabIds(task.id));
+        const stillAssigned = data.userIds.filter(id => currentAssignees.has(id));
+        const memberCollabIds = await this.repository.filterCollabIdsInGoal(stillAssigned, task.goalId);
+        if (memberCollabIds.length === 0) return;
+        const recipients = await this.repository.resolveCollabIdsToRecipients(memberCollabIds);
+
+        await this.dispatch({
+            event: 'task.assigned',
+            goalId: task.goalId,
+            personalRecipients: recipients,
+            initiatorId: data.initiatorId,
+            task: this.taskCtx(task)
+        });
+    }
+
+    private async onTaskUpdated(data: AppEvents['task.updated']): Promise<void> {
+        const changes = data.changes ?? {};
+        let event: MessagingEvent;
+        let titleOverride: string | undefined;
+        if ('complete' in changes && data.task.complete === true) event = 'task.completed';
+        else if ('complete' in changes && data.task.complete === false) {
+            // Reopen: gated by the same task.completed subscription, but shown as "reopened".
+            event = 'task.completed';
+            titleOverride = '[Task reopened]';
+        } else if ('statusId' in changes) event = 'task.statusChanged';
+        else event = 'task.edited';
+
+        const recipients = await this.taskAssigneeRecipients(data.task.id, data.task.goalId);
+        await this.dispatch({
+            event,
+            goalId: data.task.goalId,
+            personalRecipients: recipients,
+            initiatorId: data.initiatorId,
+            task: this.taskCtx(data.task),
+            titleOverride
+        });
+    }
+
+    private async onTaskAddedToSprint(data: AppEvents['task.assignedToSprint']): Promise<void> {
+        if (!data.sprintId) return;
+        const task = await this.fetchTask(data.taskId);
+        if (!task) return;
+        const recipients = await this.taskAssigneeRecipients(data.taskId, data.goalId);
+        await this.dispatch({
+            event: 'task.addedToSprint',
+            goalId: data.goalId,
+            personalRecipients: recipients,
+            initiatorId: data.initiatorId,
+            task: this.taskCtx(task)
+        });
+    }
+
+    private async onTaskDeleted(data: AppEvents['task.deleted']): Promise<void> {
+        const recipients = await this.repository.fetchProjectMemberRecipients(data.goalId);
+        await this.dispatch({
+            event: 'task.deleted',
+            goalId: data.goalId,
+            personalRecipients: recipients,
+            initiatorId: data.initiatorId,
+            body: `#${data.taskId}`
+        });
+    }
+
+    private async onSprintObj(event: MessagingEvent, data: { sprint: { goalId: number; name: string }; initiatorId: number }): Promise<void> {
+        const recipients = await this.repository.fetchProjectMemberRecipients(data.sprint.goalId);
+        await this.dispatch({
+            event,
+            goalId: data.sprint.goalId,
+            personalRecipients: recipients,
+            initiatorId: data.initiatorId,
+            body: data.sprint.name
+        });
+    }
+
+    private async onSprint(event: MessagingEvent, data: { sprintId: number; goalId: number; initiatorId: number | null }): Promise<void> {
+        const name = await this.fetchSprintName(data.sprintId);
+        const recipients = await this.repository.fetchProjectMemberRecipients(data.goalId);
+        await this.dispatch({
+            event,
+            goalId: data.goalId,
+            personalRecipients: recipients,
+            initiatorId: data.initiatorId,
+            body: name
+        });
+    }
+
+    private async onMember(event: MessagingEvent, goalId: number, body: string, initiatorId: number): Promise<void> {
+        const recipients = await this.repository.fetchProjectMemberRecipients(goalId);
+        await this.dispatch({
+            event,
+            goalId,
+            personalRecipients: recipients,
+            initiatorId,
+            body
+        });
+    }
+
+    private async onMemberByCollab(event: MessagingEvent, goalId: number, collabId: number, initiatorId: number): Promise<void> {
+        const email = await this.repository.fetchCollabEmail(collabId);
+        await this.onMember(event, goalId, email ?? '', initiatorId);
+    }
+
+    private async onTimeEntry(event: MessagingEvent, goalId: number, taskId: number, initiatorId: number | null): Promise<void> {
+        const task = await this.fetchTask(taskId);
+        const recipients = await this.repository.fetchProjectMemberRecipients(goalId);
+        // Time entries reference a task → gate the task description like task events.
+        await this.dispatch({
+            event,
+            goalId,
+            personalRecipients: recipients,
+            initiatorId,
+            task: task ? this.taskCtx(task) : undefined,
+            body: task ? undefined : `#${taskId}`
+        });
+    }
+
+    private async onRecurrence(event: MessagingEvent, goalId: number, initiatorId: number): Promise<void> {
+        // Recurring-rule template content is not shown (avoids leaking gated task content); title only.
+        const recipients = await this.repository.fetchProjectMemberRecipients(goalId);
+        await this.dispatch({ event, goalId, personalRecipients: recipients, initiatorId, body: '' });
+    }
+
+    private async dispatch(args: MessagingDispatchArgs): Promise<void> {
+        // No initiator exclusion: messaging is an explicit opt-in feed — if you
+        // subscribed to an event you receive it, even for your own actions.
+        const url = args.task ? await this.buildTaskUrl(args.goalId, args.task.id, args.task.goalListId) : undefined;
+        const projectName = await this.repository.fetchGoalName(args.goalId);
+        // Assignee emails are RBAC-gated content. Compute once, then include per recipient
+        // only when they may see assignees (TASKS_CAN_WATCH_ASSIGNED_USERS) — same treatment
+        // as the description, which is gated by COMPONENT_CAN_WATCH_CONTENT.
+        const footerText = args.task ? await this.assigneesFooter(args.task.id) : undefined;
+
+        let personalCount = 0;
+        for (const r of args.personalRecipients) {
+            const checker = args.task ? await this.checkerForRecipient(args.goalId, r) : null;
+            const body = this.bodyForRecipient(args, checker);
+            const footer = footerText && checker?.hasPermissions(GoalPermissions.TASKS_CAN_WATCH_ASSIGNED_USERS) ? footerText : undefined;
+            const message = buildMessagingMessage({
+                event: args.event,
+                audience: 'personal',
+                body,
+                url,
+                taskId: args.task?.id,
+                projectName,
+                footer,
+                completed: args.task?.complete,
+                titleOverride: args.titleOverride
+            });
+            const connections = await this.subscribed('user', r.userId, args.event);
+            personalCount += connections.length;
+            await this.enqueueAll(connections, message);
+        }
+
+        // Project channel: a shared channel's membership doesn't map to TaskView content
+        // permission. By default the description AND assignees ARE posted (a channel is a
+        // deliberate broadcast); a connection can opt out via post_content — then task events
+        // get title + link only (no description, no assignee emails). Non-task bodies
+        // (sprint name, …) are not RBAC-gated content.
+        const projectConnections = await this.subscribed('project', args.goalId, args.event);
+        for (const connection of projectConnections) {
+            const projectBody = args.task
+                ? (connection.postContent ? (args.task.description ?? `#${args.task.id}`) : '')
+                : (args.body ?? '');
+            const projectFooter = connection.postContent ? footerText : undefined;
+            // A content-hidden channel gets title + link only — no description, no assignee footer,
+            // and no action buttons (their modals would expose members / task state).
+            const projectMessage = buildMessagingMessage({
+                event: args.event,
+                audience: 'project',
+                body: projectBody,
+                url,
+                taskId: args.task?.id,
+                projectName,
+                footer: projectFooter,
+                completed: args.task?.complete,
+                titleOverride: args.titleOverride,
+                actions: connection.postContent
+            });
+            await this.enqueueAll([connection], projectMessage);
+        }
+
+        $logger.info(
+            { event: args.event, goalId: args.goalId, members: args.personalRecipients.length, personalConns: personalCount, projectConns: projectConnections.length },
+            '[Messaging] dispatch',
+        );
+    }
+
+    private bodyForRecipient(args: MessagingDispatchArgs, checker: GoalPermissionsChecker | null): string {
+        if (!args.task) return args.body ?? '';
+        const canWatch = checker?.hasPermissions(GoalPermissions.COMPONENT_CAN_WATCH_CONTENT) ?? false;
+        return canWatch ? (args.task.description ?? `#${args.task.id}`) : `#${args.task.id}`;
+    }
+
+    /** Per-recipient permission checker for the goal; fail-closed (empty) on lookup error. */
+    private async checkerForRecipient(goalId: number, recipient: MessagingRecipient): Promise<GoalPermissionsChecker> {
+        const permissions = await this.permissionsRepo
+            .fetchPermissionsForGoalByUser({ goalId, userId: recipient.userId, email: recipient.email })
+            .catch((err) => {
+                $logger.error(err, `[Messaging] permission check failed for user=${recipient.userId}`);
+                return [];
+            });
+        return new GoalPermissionsChecker(permissions);
+    }
+
+    private async buildTaskUrl(goalId: number, taskId: number, goalListId: number | null): Promise<string | undefined> {
+        const orgSlug = await this.repository.fetchGoalOrgSlug(goalId);
+        return buildTaskDeepLink(orgSlug, goalId, taskId, goalListId);
+    }
+
+    /** "👤 email1, email2" of the task's current assignees, or undefined if none. */
+    private async assigneesFooter(taskId: number): Promise<string | undefined> {
+        const collabIds = await this.repository.fetchCurrentAssigneeCollabIds(taskId);
+        if (collabIds.length === 0) return undefined;
+        const assignees = await this.repository.resolveCollabIdsToRecipients(collabIds);
+        if (assignees.length === 0) return undefined;
+        return `👤 ${assignees.map((a) => a.email).join(', ')}`;
+    }
+
+    private async subscribed(ownerType: string, ownerId: number, event: MessagingEvent): Promise<MessagingConnectionsSchemaTypeForSelect[]> {
+        const connections = await this.repository.fetchActiveByOwner(ownerType, ownerId);
+        return connections.filter(c => c.events.includes(event));
+    }
+
+    private async taskAssigneeRecipients(taskId: number, goalId: number): Promise<MessagingRecipient[]> {
+        const collabIds = await this.repository.fetchCurrentAssigneeCollabIds(taskId);
+        const memberCollabIds = await this.repository.filterCollabIdsInGoal(collabIds, goalId);
+        return this.repository.resolveCollabIdsToRecipients(memberCollabIds);
+    }
+
+    private taskCtx(task: { id: number; goalListId: number | null; description: string | null; complete: boolean | null }): MessagingTaskContext {
+        return { id: task.id, goalListId: task.goalListId, description: task.description, complete: task.complete === true };
+    }
+
+    private async fetchTask(taskId: number) {
+        const db = Database.getInstance();
+        const rows = await db.dbDrizzle.select().from(TasksSchema).where(eq(TasksSchema.id, taskId)).limit(1);
+        return rows[0] ?? null;
+    }
+
+    private async fetchSprintName(sprintId: number): Promise<string> {
+        const db = Database.getInstance();
+        const rows = await db.dbDrizzle.select({ name: SprintsSchema.name }).from(SprintsSchema).where(eq(SprintsSchema.id, sprintId)).limit(1);
+        return rows[0]?.name ?? `#${sprintId}`;
+    }
+
+    private async enqueueAll(connections: MessagingConnectionsSchemaTypeForSelect[], message: ReturnType<typeof buildMessagingMessage>): Promise<void> {
+        const boss = getJobQueue();
+        for (const connection of connections) {
+            await boss.send(MESSAGING_DELIVER_JOB, {
+                connectionId: connection.id,
+                provider: connection.provider as MessagingProviderId,
+                chatId: connection.targetChatId,
+                accessTokenEncrypted: connection.accessTokenEncrypted,
+                message,
+                attempt: 1,
+            } satisfies MessagingDeliverJobData);
+        }
+    }
+
+    private async deliverJob(data: MessagingDeliverJobData): Promise<void> {
+        const provider = this.manager.getProvider(data.provider);
+        if (!provider || !provider.isConfigured()) return;
+
+        const result = await provider.deliver({
+            chatId: data.chatId,
+            accessToken: data.accessTokenEncrypted ? decrypt(data.accessTokenEncrypted) : null,
+            message: data.message,
+        });
+
+        $logger.info({ connectionId: data.connectionId, provider: data.provider, success: result.success, errorCode: result.errorCode }, '[Messaging] deliver result');
+
+        if (result.success) return;
+
+        if (data.attempt < MAX_ATTEMPTS) {
+            const boss = getJobQueue();
+            const delay = Math.pow(2, data.attempt) * 5;
+            await boss.send(MESSAGING_DELIVER_JOB, { ...data, attempt: data.attempt + 1 }, { startAfter: delay });
+            return;
+        }
+
+        $logger.warn(`[Messaging] Delivery failed for connection=${data.connectionId} after ${MAX_ATTEMPTS} attempts`);
+    }
+}

api/src/tv-modules/messaging/MessagingManager.ts

@@ -0,0 +1,199 @@
+import { AppUser } from '../../core/AppUser';
+import { GoalPermissions } from '../../types/auth.types';
+import { $logger } from '../../modules/logget';
+import { MessagingRepository } from './MessagingRepository';
+import { TelegramProvider } from './providers/telegram.provider';
+import { SlackProvider } from './providers/slack.provider';
+import { buildTaskDeepLink } from './utils';
+import type { MessagingProvider } from './providers/MessagingProvider';
+import type { ConnectContext, ConnectStart, InboundIntent, InboundRaw, MessagingConnectionForClient, MessagingConnectLinkResult } from './types.internal';
+import { sanitizeMessagingEvents, type MessagingMessage, type MessagingProviderId } from './types';
+import type { MessagingConnectionsSchemaTypeForSelect } from 'taskview-db-schemas';
+
+export class MessagingManager {
+    public readonly repository = new MessagingRepository();
+    private readonly telegram = new TelegramProvider();
+    private readonly slack = new SlackProvider();
+    private readonly providers: Map<MessagingProviderId, MessagingProvider>;
+
+    constructor() {
+        this.providers = new Map<MessagingProviderId, MessagingProvider>([
+            ['telegram', this.telegram],
+            ['slack', this.slack],
+        ]);
+    }
+
+    getProvider(id: MessagingProviderId): MessagingProvider | undefined {
+        return this.providers.get(id);
+    }
+
+    private async beginConnect(id: MessagingProviderId, ctx: ConnectContext): Promise<ConnectStart | null> {
+        const provider = this.getProvider(id);
+        if (!provider?.isConfigured()) return null;
+        const start = await provider.startConnect(ctx);
+        if (start.kind === 'deep-link') {
+            const row = await this.repository.createLinkToken({
+                token: start.persistToken.token,
+                provider: id,
+                ownerType: ctx.ownerType,
+                ownerId: ctx.ownerId,
+                createdBy: ctx.userId,
+                expiresAt: start.persistToken.expiresAt,
+            });
+            if (!row) return null;
+        }
+        return start;
+    }
+
+    async createPersonalConnectLink(userId: number, provider: MessagingProviderId): Promise<MessagingConnectLinkResult | null> {
+        return this.toLinkResult(provider, await this.beginConnect(provider, { ownerType: 'user', ownerId: userId, userId }));
+    }
+
+    async createProjectConnectLink(goalId: number, userId: number, provider: MessagingProviderId): Promise<MessagingConnectLinkResult | null> {
+        return this.toLinkResult(provider, await this.beginConnect(provider, { ownerType: 'project', ownerId: goalId, userId }));
+    }
+
+    private toLinkResult(provider: MessagingProviderId, start: ConnectStart | null): MessagingConnectLinkResult | null {
+        if (start?.kind !== 'deep-link') return null;
+        return { provider, url: start.url, token: start.persistToken.token, expiresAt: start.persistToken.expiresAt.toISOString() };
+    }
+
+    async startOAuthConnect(provider: MessagingProviderId, ctx: ConnectContext): Promise<ConnectStart | null> {
+        return this.beginConnect(provider, ctx);
+    }
+
+    async handleInbound(id: MessagingProviderId, raw: InboundRaw): Promise<{ redirect?: string } | null> {
+        const provider = this.getProvider(id);
+        if (!provider) return null;
+        const intent = await provider.parseInbound(raw);
+        if (!intent) return null;
+
+        if (intent.kind === 'createConnection') {
+            await this.repository.createConnection(intent.connection);
+            if (intent.identity) await this.repository.upsertIdentity({ userId: intent.identity.userId, provider: id, externalUserId: intent.identity.externalUserId, externalTeamId: intent.identity.externalTeamId });
+            return { redirect: intent.redirect };
+        }
+
+        if (intent.kind === 'command') {
+            const reply = await this.runCreateTask(id, intent);
+            await provider.deliver({ chatId: intent.chatId, accessToken: null, message: reply });
+            return null;
+        }
+
+        await this.bindByToken(id, provider, intent);
+        return null;
+    }
+
+    private async runCreateTask(id: MessagingProviderId, intent: Extract<InboundIntent, { kind: 'command' }>): Promise<MessagingMessage> {
+        const note = (title: string): MessagingMessage => ({ event: 'task.created', title });
+
+        const userId = await this.repository.findUserIdByExternalId({ provider: id, externalUserId: intent.externalUserId, externalTeamId: null });
+        if (!userId) return note('Link your account in TaskView first (Personal → Connect), then try /task again.');
+
+        const goalIds = await this.repository.fetchProjectGoalIdsByChannel({ provider: id, channelId: intent.chatId, externalTeamId: null });
+        if (goalIds.length === 0) return note('This chat is not linked to a TaskView project.');
+        if (goalIds.length > 1) return note('This chat is linked to several projects — create the task in TaskView.');
+
+        const appUser = await this.buildAppUser(userId);
+        if (!appUser) return note('Could not resolve your TaskView account.');
+
+        const checker = await appUser.permissionsFetcher.getCheckerForGoal(goalIds[0]);
+        if (!checker.hasPermissions(GoalPermissions.COMPONENT_CAN_ADD_TASKS)) {
+            return note('You do not have permission to create tasks in this project.');
+        }
+
+        const created = await appUser.tasksManager.addTaskNew({ goalId: goalIds[0], description: intent.text });
+        const task = created?.[0];
+        if (!task) return note('Failed to create the task.');
+
+        const orgSlug = await this.repository.fetchGoalOrgSlug(goalIds[0]);
+        const url = buildTaskDeepLink(orgSlug, goalIds[0], task.id, task.goalListId ?? null);
+        return { event: 'task.created', title: '✅ Task created', body: intent.text, url };
+    }
+
+    private async buildAppUser(userId: number): Promise<AppUser | null> {
+        const record = await new AppUser().authManager.repository.fetchUserById(userId);
+        if (!record || record.block !== 0) return null;
+        return new AppUser({ id: 0, userData: { id: record.id, login: record.login, email: record.email } });
+    }
+
+    private async bindByToken(id: MessagingProviderId, provider: MessagingProvider, intent: Extract<InboundIntent, { kind: 'bindByToken' }>): Promise<void> {
+        const link = await this.repository.findValidLinkToken(id, intent.token);
+        // Silently drop unknown/expired tokens or a token used in the wrong chat kind — no
+        // reply, so the endpoint can't be used as an outbound-message amplifier.
+        if (!link || link.ownerType !== intent.scope) return;
+
+        const connection = await this.repository.createConnection({
+            provider: id,
+            ownerType: link.ownerType,
+            ownerId: link.ownerId,
+            targetChatId: intent.chatId,
+            title: intent.title,
+            externalTeamId: null,
+            accessTokenEncrypted: null,
+        });
+        if (!connection) {
+            $logger.error(`[Messaging] Failed to create ${id} connection for ${link.ownerType}=${link.ownerId}`);
+            return;
+        }
+
+        // Telegram user IDs are globally unique, so there is no workspace to scope by.
+        if (intent.scope === 'user') await this.repository.upsertIdentity({ userId: link.ownerId, provider: id, externalUserId: intent.externalUserId, externalTeamId: null });
+        await this.repository.consumeLinkToken(link.id);
+
+        const text = intent.scope === 'user'
+            ? 'Done! Your TaskView account is linked — notifications will be delivered here.'
+            : 'Done! This chat is connected to your TaskView project — project events will be posted here.';
+        await provider.deliver({ chatId: intent.chatId, accessToken: null, message: { event: 'task.created', title: text } });
+    }
+
+    async fetchPersonalConnections(userId: number): Promise<MessagingConnectionForClient[]> {
+        const connections = await this.repository.fetchByOwner('user', userId);
+        return connections.map(c => this.toClient(c));
+    }
+
+    async togglePersonal(id: number, userId: number, isActive: boolean): Promise<MessagingConnectionForClient | null> {
+        const updated = await this.repository.setActiveOwned({ id, ownerType: 'user', ownerId: userId, isActive });
+        return updated ? this.toClient(updated) : null;
+    }
+
+    async deletePersonal(id: number, userId: number): Promise<boolean> {
+        return this.repository.deleteOwned({ id, ownerType: 'user', ownerId: userId });
+    }
+
+    async updatePersonalEvents(id: number, userId: number, events: string[]): Promise<MessagingConnectionForClient | null> {
+        const updated = await this.repository.updateEventsOwned({ id, ownerType: 'user', ownerId: userId, events: sanitizeMessagingEvents(events) });
+        return updated ? this.toClient(updated) : null;
+    }
+
+    async fetchProjectConnections(goalId: number): Promise<MessagingConnectionForClient[]> {
+        const connections = await this.repository.fetchByOwner('project', goalId);
+        return connections.map(c => this.toClient(c));
+    }
+
+    async toggleProject(id: number, goalId: number, isActive: boolean): Promise<MessagingConnectionForClient | null> {
+        // goalId was verified against the caller by IsGoalOwnerByGoalId; the WHERE
+        // clause also binds the connection to that goal, so no cross-project mutation.
+        const updated = await this.repository.setActiveOwned({ id, ownerType: 'project', ownerId: goalId, isActive });
+        return updated ? this.toClient(updated) : null;
+    }
+
+    async deleteProject(id: number, goalId: number): Promise<boolean> {
+        return this.repository.deleteOwned({ id, ownerType: 'project', ownerId: goalId });
+    }
+
+    async updateProjectEvents(id: number, goalId: number, events: string[]): Promise<MessagingConnectionForClient | null> {
+        const updated = await this.repository.updateEventsOwned({ id, ownerType: 'project', ownerId: goalId, events: sanitizeMessagingEvents(events) });
+        return updated ? this.toClient(updated) : null;
+    }
+
+    async updateProjectPostContent(id: number, goalId: number, postContent: boolean): Promise<MessagingConnectionForClient | null> {
+        const updated = await this.repository.setPostContentOwned({ id, ownerType: 'project', ownerId: goalId, postContent });
+        return updated ? this.toClient(updated) : null;
+    }
+
+    private toClient(connection: MessagingConnectionsSchemaTypeForSelect): MessagingConnectionForClient {
+        const { accessTokenEncrypted, ...rest } = connection;
+        return rest;
+    }
+}

api/src/tv-modules/messaging/MessagingRepository.ts

@@ -0,0 +1,311 @@
+import { createHash } from 'crypto';
+import { and, eq, gt, inArray, isNull } from 'drizzle-orm';
+import { alias } from 'drizzle-orm/pg-core';
+import {
+    CollaborationUsersSchema,
+    CollaborationUsersToGoalsSchema,
+    GoalsSchema,
+    MessagingConnectionsSchema,
+    MessagingIdentityMapSchema,
+    MessagingLinkTokensSchema,
+    OrganizationsSchema,
+    TasksAssigneeSchema,
+    UsersSchema,
+    type MessagingConnectionsSchemaTypeForSelect,
+    type MessagingLinkTokensSchemaTypeForSelect,
+} from 'taskview-db-schemas';
+import { Database } from '../../modules/db';
+import { callWithCatch } from '../../utils/helpers';
+import { SLACK_WEBHOOK_PREFIX } from './config';
+import type {
+    MessagingChannelLookup,
+    MessagingConnectionCreate,
+    MessagingIdentityLookup,
+    MessagingIdentityUpsert,
+    MessagingLinkTokenCreate,
+    MessagingOwnedRef,
+    MessagingOwnedToggle,
+    MessagingRecipient,
+} from './types.internal';
+
+export class MessagingRepository {
+    private readonly db: Database;
+
+    constructor() {
+        this.db = Database.getInstance();
+    }
+
+    async createConnection(data: MessagingConnectionCreate): Promise<MessagingConnectionsSchemaTypeForSelect | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.insert(MessagingConnectionsSchema)
+                .values(data)
+                .onConflictDoUpdate({
+                    target: [
+                        MessagingConnectionsSchema.provider,
+                        MessagingConnectionsSchema.ownerType,
+                        MessagingConnectionsSchema.ownerId,
+                        MessagingConnectionsSchema.targetChatId,
+                    ],
+                    set: {
+                        title: data.title,
+                        externalTeamId: data.externalTeamId,
+                        accessTokenEncrypted: data.accessTokenEncrypted,
+                        isActive: true,
+                        updatedAt: new Date(),
+                    },
+                })
+                .returning()
+        );
+        return result?.[0] ?? null;
+    }
+
+    async fetchById(id: number): Promise<MessagingConnectionsSchemaTypeForSelect | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.select().from(MessagingConnectionsSchema).where(eq(MessagingConnectionsSchema.id, id))
+        );
+        return result?.[0] ?? null;
+    }
+
+    async fetchByOwner(ownerType: string, ownerId: number): Promise<MessagingConnectionsSchemaTypeForSelect[]> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.select().from(MessagingConnectionsSchema).where(
+                and(
+                    eq(MessagingConnectionsSchema.ownerType, ownerType),
+                    eq(MessagingConnectionsSchema.ownerId, ownerId),
+                )
+            )
+        );
+        return result ?? [];
+    }
+
+    async fetchActiveByOwner(ownerType: string, ownerId: number): Promise<MessagingConnectionsSchemaTypeForSelect[]> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.select().from(MessagingConnectionsSchema).where(
+                and(
+                    eq(MessagingConnectionsSchema.ownerType, ownerType),
+                    eq(MessagingConnectionsSchema.ownerId, ownerId),
+                    eq(MessagingConnectionsSchema.isActive, true),
+                )
+            )
+        );
+        return result ?? [];
+    }
+
+    async setActiveOwned(args: MessagingOwnedToggle): Promise<MessagingConnectionsSchemaTypeForSelect | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.update(MessagingConnectionsSchema)
+                .set({ isActive: args.isActive, updatedAt: new Date() })
+                .where(this.ownedWhere(args))
+                .returning()
+        );
+        return result?.[0] ?? null;
+    }
+
+    async deleteOwned(args: MessagingOwnedRef): Promise<boolean> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.delete(MessagingConnectionsSchema).where(this.ownedWhere(args))
+        );
+        return !!result?.rowCount;
+    }
+
+    private ownedWhere(args: MessagingOwnedRef) {
+        return and(
+            eq(MessagingConnectionsSchema.id, args.id),
+            eq(MessagingConnectionsSchema.ownerType, args.ownerType),
+            eq(MessagingConnectionsSchema.ownerId, args.ownerId),
+        );
+    }
+
+    async resolveCollabIdsToRecipients(collabIds: number[]): Promise<MessagingRecipient[]> {
+        if (collabIds.length === 0) return [];
+        const authUsers = alias(UsersSchema, 'auth_users');
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ userId: authUsers.id, email: authUsers.email })
+                .from(CollaborationUsersSchema)
+                .innerJoin(authUsers, eq(CollaborationUsersSchema.email, authUsers.email))
+                .where(inArray(CollaborationUsersSchema.id, collabIds))
+        );
+        return rows ?? [];
+    }
+
+    async updateEventsOwned(args: MessagingOwnedRef & { events: string[] }): Promise<MessagingConnectionsSchemaTypeForSelect | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.update(MessagingConnectionsSchema)
+                .set({ events: args.events, updatedAt: new Date() })
+                .where(this.ownedWhere(args))
+                .returning()
+        );
+        return result?.[0] ?? null;
+    }
+
+    async setPostContentOwned(args: MessagingOwnedRef & { postContent: boolean }): Promise<MessagingConnectionsSchemaTypeForSelect | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.update(MessagingConnectionsSchema)
+                .set({ postContent: args.postContent, updatedAt: new Date() })
+                .where(this.ownedWhere(args))
+                .returning()
+        );
+        return result?.[0] ?? null;
+    }
+
+    async fetchCollabEmail(collabId: number): Promise<string | null> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ email: CollaborationUsersSchema.email })
+                .from(CollaborationUsersSchema)
+                .where(eq(CollaborationUsersSchema.id, collabId))
+                .limit(1)
+        );
+        return rows?.[0]?.email ?? null;
+    }
+
+    async fetchProjectMemberRecipients(goalId: number): Promise<MessagingRecipient[]> {
+        const authUsers = alias(UsersSchema, 'auth_users');
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ userId: authUsers.id, email: authUsers.email })
+                .from(CollaborationUsersToGoalsSchema)
+                .innerJoin(CollaborationUsersSchema, eq(CollaborationUsersToGoalsSchema.userId, CollaborationUsersSchema.id))
+                .innerJoin(authUsers, eq(CollaborationUsersSchema.email, authUsers.email))
+                .where(eq(CollaborationUsersToGoalsSchema.goalId, goalId))
+        );
+        return rows ?? [];
+    }
+
+    async fetchGoalName(goalId: number): Promise<string | null> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ name: GoalsSchema.name }).from(GoalsSchema).where(eq(GoalsSchema.id, goalId)).limit(1)
+        );
+        return rows?.[0]?.name ?? null;
+    }
+
+    async fetchGoalOrgSlug(goalId: number): Promise<string | null> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ slug: OrganizationsSchema.slug })
+                .from(GoalsSchema)
+                .innerJoin(OrganizationsSchema, eq(GoalsSchema.organizationId, OrganizationsSchema.id))
+                .where(eq(GoalsSchema.id, goalId))
+                .limit(1)
+        );
+        return rows?.[0]?.slug ?? null;
+    }
+
+    async filterCollabIdsInGoal(collabIds: number[], goalId: number): Promise<number[]> {
+        if (collabIds.length === 0) return [];
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ userId: CollaborationUsersToGoalsSchema.userId })
+                .from(CollaborationUsersToGoalsSchema)
+                .where(and(
+                    eq(CollaborationUsersToGoalsSchema.goalId, goalId),
+                    inArray(CollaborationUsersToGoalsSchema.userId, collabIds),
+                ))
+        );
+        return (rows ?? []).map(r => r.userId);
+    }
+
+    async fetchCurrentAssigneeCollabIds(taskId: number): Promise<number[]> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ collabUserId: TasksAssigneeSchema.collabUserId })
+                .from(TasksAssigneeSchema)
+                .where(eq(TasksAssigneeSchema.taskId, taskId))
+        );
+        return (rows ?? []).map(r => r.collabUserId);
+    }
+
+    async createLinkToken(data: MessagingLinkTokenCreate): Promise<MessagingLinkTokensSchemaTypeForSelect | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.insert(MessagingLinkTokensSchema)
+                .values({ ...data, token: this.hashToken(data.token) })
+                .returning()
+        );
+        return result?.[0] ?? null;
+    }
+
+    async findValidLinkToken(provider: string, token: string): Promise<MessagingLinkTokensSchemaTypeForSelect | null> {
+        const result = await callWithCatch(() =>
+            this.db.dbDrizzle.select().from(MessagingLinkTokensSchema).where(
+                and(
+                    eq(MessagingLinkTokensSchema.provider, provider),
+                    eq(MessagingLinkTokensSchema.token, this.hashToken(token)),
+                    gt(MessagingLinkTokensSchema.expiresAt, new Date()),
+                )
+            )
+        );
+        return result?.[0] ?? null;
+    }
+
+    async consumeLinkToken(id: number): Promise<void> {
+        await callWithCatch(() =>
+            this.db.dbDrizzle.delete(MessagingLinkTokensSchema).where(eq(MessagingLinkTokensSchema.id, id))
+        );
+    }
+
+    async findUserIdByExternalId(args: MessagingIdentityLookup): Promise<number | null> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ userId: MessagingIdentityMapSchema.userId })
+                .from(MessagingIdentityMapSchema)
+                .where(and(
+                    eq(MessagingIdentityMapSchema.provider, args.provider),
+                    eq(MessagingIdentityMapSchema.externalUserId, args.externalUserId),
+                    args.externalTeamId === null
+                        ? isNull(MessagingIdentityMapSchema.externalTeamId)
+                        : eq(MessagingIdentityMapSchema.externalTeamId, args.externalTeamId),
+                ))
+                .limit(1)
+        );
+        return rows?.[0]?.userId ?? null;
+    }
+
+    async fetchProjectGoalIdsByChannel(args: MessagingChannelLookup): Promise<number[]> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ goalId: MessagingConnectionsSchema.ownerId })
+                .from(MessagingConnectionsSchema)
+                .where(and(
+                    eq(MessagingConnectionsSchema.provider, args.provider),
+                    eq(MessagingConnectionsSchema.ownerType, 'project'),
+                    eq(MessagingConnectionsSchema.targetChatId, args.channelId),
+                    eq(MessagingConnectionsSchema.isActive, true),
+                    args.externalTeamId === null
+                        ? isNull(MessagingConnectionsSchema.externalTeamId)
+                        : eq(MessagingConnectionsSchema.externalTeamId, args.externalTeamId),
+                ))
+        );
+        return rows?.map((r) => r.goalId) ?? [];
+    }
+
+    async fetchSlackBotTokenEncrypted(teamId: string): Promise<string | null> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.select({ token: MessagingConnectionsSchema.accessTokenEncrypted })
+                .from(MessagingConnectionsSchema)
+                .where(and(
+                    eq(MessagingConnectionsSchema.provider, 'slack'),
+                    eq(MessagingConnectionsSchema.externalTeamId, teamId),
+                    eq(MessagingConnectionsSchema.isActive, true),
+                ))
+        );
+        return rows?.map((r) => r.token).find((t): t is string => !!t && !t.startsWith(SLACK_WEBHOOK_PREFIX)) ?? null;
+    }
+
+    async fetchGoalCollabMembers(goalId: number): Promise<{ collabId: number; email: string }[]> {
+        const rows = await callWithCatch(() =>
+            this.db.dbDrizzle.selectDistinct({ collabId: CollaborationUsersSchema.id, email: CollaborationUsersSchema.email })
+                .from(CollaborationUsersToGoalsSchema)
+                .innerJoin(CollaborationUsersSchema, eq(CollaborationUsersToGoalsSchema.userId, CollaborationUsersSchema.id))
+                .where(eq(CollaborationUsersToGoalsSchema.goalId, goalId))
+        );
+        return rows ?? [];
+    }
+
+    async upsertIdentity(args: MessagingIdentityUpsert): Promise<void> {
+        await callWithCatch(() =>
+            this.db.dbDrizzle.insert(MessagingIdentityMapSchema)
+                .values({ userId: args.userId, provider: args.provider, externalUserId: args.externalUserId, externalTeamId: args.externalTeamId, linkedAt: new Date() })
+                .onConflictDoUpdate({
+                    target: [MessagingIdentityMapSchema.userId, MessagingIdentityMapSchema.provider],
+                    set: { externalUserId: args.externalUserId, externalTeamId: args.externalTeamId, linkedAt: new Date() },
+                })
+        );
+    }
+
+    private hashToken(token: string): string {
+        return createHash('sha256').update(token).digest('hex');
+    }
+}

api/src/tv-modules/messaging/MessagingRoutes.ts

@@ -0,0 +1,51 @@
+import { Router } from 'express'
+import type { Routable } from '../../types/routable.type'
+import { IsLoggedIn } from '../auth/middlewares/is-logged-in'
+import { RejectApiTokenAuth } from '../api-tokens/middlewares/RejectApiTokenAuth'
+import { MessagingController } from './MessagingController'
+import { VerifyTelegramWebhook } from './middlewares/VerifyTelegramWebhook'
+import { VerifySlackRequest } from './middlewares/VerifySlackRequest'
+import { CanManageProjectMessaging, CanViewProjectMessaging } from './middlewares/ProjectMessagingPermission'
+
+export default class MessagingRoutes implements Routable {
+    private readonly router: ReturnType<typeof Router>
+    private readonly controller: MessagingController
+
+    constructor() {
+        this.router = Router()
+        this.controller = new MessagingController()
+        this.initRoutes()
+    }
+
+    getRouter() {
+        return this.router
+    }
+
+    initRoutes() {
+        // Personal (per-user) connections — scoped to the authenticated user.
+        this.router.get('', [IsLoggedIn, RejectApiTokenAuth], this.controller.fetch)
+        this.router.patch('/toggle', [IsLoggedIn, RejectApiTokenAuth], this.controller.toggle)
+        this.router.patch('/events', [IsLoggedIn, RejectApiTokenAuth], this.controller.updateEvents)
+        this.router.delete('', [IsLoggedIn, RejectApiTokenAuth], this.controller.delete)
+        this.router.get('/:provider/connect-link', [IsLoggedIn, RejectApiTokenAuth], this.controller.connectLink)
+
+        // Project connections — guarded by project ownership (goalId in body/query).
+        this.router.get('/project', [IsLoggedIn, RejectApiTokenAuth, CanViewProjectMessaging], this.controller.fetchProject)
+        this.router.patch('/project/toggle', [IsLoggedIn, RejectApiTokenAuth, CanManageProjectMessaging], this.controller.toggleProject)
+        this.router.patch('/project/events', [IsLoggedIn, RejectApiTokenAuth, CanManageProjectMessaging], this.controller.updateProjectEvents)
+        this.router.patch('/project/post-content', [IsLoggedIn, RejectApiTokenAuth, CanManageProjectMessaging], this.controller.updateProjectPostContent)
+        this.router.delete('/project', [IsLoggedIn, RejectApiTokenAuth, CanManageProjectMessaging], this.controller.deleteProject)
+        this.router.get('/project/:provider/connect-link', [IsLoggedIn, RejectApiTokenAuth, CanManageProjectMessaging], this.controller.projectConnectLink)
+
+        // Slack OAuth — public (auth carried by the JWT ?token on start and the signed state on callback).
+        this.router.get('/slack/oauth/start', this.controller.slackOAuthStart)
+        this.router.get('/slack/oauth/callback', this.controller.slackOAuthCallback)
+
+        // Inbound webhook — public, protected by the Telegram secret-token header.
+        this.router.post('/telegram/webhook', [VerifyTelegramWebhook], this.controller.telegramWebhook)
+
+        // Slack inbound (slash commands + interactivity) — public, protected by the Slack signature.
+        this.router.post('/slack/commands', [VerifySlackRequest], this.controller.slackCommands)
+        this.router.post('/slack/interactivity', [VerifySlackRequest], this.controller.slackInteractivity)
+    }
+}

api/src/tv-modules/messaging/SlackInboundManager.ts

@@ -0,0 +1,245 @@
+import { AppUser } from '../../core/AppUser';
+import { GoalPermissions } from '../../types/auth.types';
+import { decrypt } from '../../utils/crypto';
+import { MessagingRepository } from './MessagingRepository';
+import { SlackProvider } from './providers/slack.provider';
+import {
+    SLACK_ACTION_ASSIGN,
+    SLACK_ACTION_DONE,
+    SLACK_ACTION_REOPEN,
+    SLACK_ASSIGN_BLOCK,
+    SLACK_ASSIGN_SELECT_ACTION,
+    SLACK_VIEW_ASSIGN_CALLBACK,
+} from './providers/slack.constants';
+import { buildTaskDeepLink, escapeSlackText } from './utils';
+import type { SlackEphemeralReply, SlackInteractionPayload, SlackSlashCommandPayload } from './types.internal';
+
+// Orchestrates inbound Slack actions: /task (create), and Done / Assign buttons.
+// Every path resolves the Slack user to a TaskView user (identity map) and enforces
+// that user's RBAC before touching anything.
+export class SlackInboundManager {
+    private readonly repository = new MessagingRepository();
+    private readonly slack = new SlackProvider();
+
+    async handleSlashCommand(payload: SlackSlashCommandPayload): Promise<SlackEphemeralReply> {
+        const userId = await this.resolveUser(payload.user_id, payload.team_id);
+        if (!userId) return this.ephemeral(this.linkPrompt());
+
+        const description = (payload.text ?? '').trim();
+        if (!description) return this.ephemeral('Usage: /task <description>');
+
+        const goalIds = await this.repository.fetchProjectGoalIdsByChannel({ provider: 'slack', channelId: payload.channel_id ?? '', externalTeamId: payload.team_id ?? null });
+        if (goalIds.length === 0) return this.ephemeral('This channel is not linked to a TaskView project.');
+        if (goalIds.length > 1) return this.ephemeral('This channel is linked to several projects — create the task in TaskView.');
+
+        const appUser = await this.buildAppUser(userId);
+        if (!appUser) return this.ephemeral('Could not resolve your TaskView account.');
+
+        const checker = await appUser.permissionsFetcher.getCheckerForGoal(goalIds[0]);
+        if (!checker.hasPermissions(GoalPermissions.COMPONENT_CAN_ADD_TASKS)) {
+            return this.ephemeral('You do not have permission to create tasks in this project.');
+        }
+
+        const created = await appUser.tasksManager.addTaskNew({ goalId: goalIds[0], description });
+        if (!created?.[0]) return this.ephemeral('Failed to create the task.');
+        return this.ephemeral(`✅ Task created: ${description}`);
+    }
+
+    async handleInteraction(interaction: SlackInteractionPayload): Promise<object | void> {
+        if (interaction.type === 'view_submission') return this.handleAssignSubmit(interaction);
+        if (interaction.type === 'block_actions') return this.handleBlockAction(interaction);
+    }
+
+    private async handleBlockAction(i: SlackInteractionPayload): Promise<void> {
+        const action = i.actions?.[0];
+        const taskId = Number(action?.value);
+        if (!action?.action_id || !taskId) return;
+
+        const userId = await this.resolveUser(i.user?.id, i.team?.id);
+        if (!userId) return this.ackEphemeral(i.response_url, this.linkPrompt());
+
+        if (action.action_id === SLACK_ACTION_DONE) return this.completeTask(i, userId, taskId);
+        if (action.action_id === SLACK_ACTION_REOPEN) return this.reopenTask(i, userId, taskId);
+        if (action.action_id === SLACK_ACTION_ASSIGN) return this.openAssignModal(i, userId, taskId);
+    }
+
+    private async completeTask(i: SlackInteractionPayload, userId: number, taskId: number): Promise<void> {
+        const appUser = await this.buildAppUser(userId);
+        if (!appUser) return;
+        const task = await appUser.tasksManager.fetchTaskById({ taskId });
+        // Same reply as permission-denied below, so this can't be used to probe which task IDs exist.
+        if (!task) return this.ackEphemeral(i.response_url, "You don't have access to this task.");
+
+        const checker = await appUser.permissionsFetcher.getCheckerForGoal(task.goalId);
+        if (!checker.hasPermissions(GoalPermissions.TASKS_CAN_EDIT_STATUS)) {
+            return this.ackEphemeral(i.response_url, "You don't have access to this task.");
+        }
+
+        await appUser.tasksManager.updateTask({ id: taskId, complete: true });
+        // Show which task (description gated by content permission, like notifications) + a link.
+        const label = checker.hasPermissions(GoalPermissions.COMPONENT_CAN_WATCH_CONTENT) && task.description
+            ? task.description.slice(0, 200)
+            : `#${taskId}`;
+        const orgSlug = await this.repository.fetchGoalOrgSlug(task.goalId);
+        const url = buildTaskDeepLink(orgSlug, task.goalId, taskId, task.goalListId ?? null);
+        const text = url ? `✅ Task completed: <${url}|${escapeSlackText(label)}>` : `✅ Task completed: ${escapeSlackText(label)}`;
+        await this.ackEphemeral(i.response_url, text);
+    }
+
+    private async reopenTask(i: SlackInteractionPayload, userId: number, taskId: number): Promise<void> {
+        const appUser = await this.buildAppUser(userId);
+        if (!appUser) return;
+        const task = await appUser.tasksManager.fetchTaskById({ taskId });
+        // Same reply as permission-denied below, so this can't be used to probe which task IDs exist.
+        if (!task) return this.ackEphemeral(i.response_url, "You don't have access to this task.");
+
+        const checker = await appUser.permissionsFetcher.getCheckerForGoal(task.goalId);
+        if (!checker.hasPermissions(GoalPermissions.TASKS_CAN_EDIT_STATUS)) {
+            return this.ackEphemeral(i.response_url, "You don't have access to this task.");
+        }
+
+        await appUser.tasksManager.updateTask({ id: taskId, complete: false });
+        await this.ackEphemeral(i.response_url, '↩️ Task reopened');
+    }
+
+    private async openAssignModal(i: SlackInteractionPayload, userId: number, taskId: number): Promise<void> {
+        const appUser = await this.buildAppUser(userId);
+        if (!appUser) return;
+        const task = await appUser.tasksManager.fetchTaskById({ taskId });
+        // Same reply as permission-denied below, so this can't be used to probe which task IDs exist.
+        if (!task) return this.ackEphemeral(i.response_url, "You don't have access to this task.");
+
+        const checker = await appUser.permissionsFetcher.getCheckerForGoal(task.goalId);
+        if (!checker.hasPermissions(GoalPermissions.TASKS_CAN_ASSIGN_USERS)) {
+            return this.ackEphemeral(i.response_url, "You don't have access to this task.");
+        }
+
+        const members = await this.repository.fetchGoalCollabMembers(task.goalId);
+        if (members.length === 0) return this.ackEphemeral(i.response_url, 'This project has no members to assign.');
+
+        const botToken = await this.botTokenForTeam(i.team?.id);
+        if (!botToken || !i.trigger_id) return this.ackEphemeral(i.response_url, 'Slack workspace is not fully connected.');
+
+        // Pre-select the current assignees so the modal shows who's assigned and lets the
+        // user add or remove — submit sets the whole list.
+        const currentAssignees = await this.repository.fetchCurrentAssigneeCollabIds(taskId);
+        const metadata = JSON.stringify({ taskId });
+        await this.slack.openModal({ botToken, triggerId: i.trigger_id, view: this.assignView(members, currentAssignees, metadata) });
+    }
+
+    private async handleAssignSubmit(i: SlackInteractionPayload): Promise<object> {
+        if (i.view?.callback_id !== SLACK_VIEW_ASSIGN_CALLBACK) return {};
+        const meta = this.parseMeta(i.view.private_metadata);
+        const taskId = Number(meta.taskId);
+        if (!taskId) return {};
+
+        const selected = i.view.state?.values?.[SLACK_ASSIGN_BLOCK]?.[SLACK_ASSIGN_SELECT_ACTION]?.selected_options ?? [];
+        const selectedCollabIds = selected.map((o) => Number(o.value)).filter((n) => Number.isInteger(n) && n > 0);
+
+        const userId = await this.resolveUser(i.user?.id, i.team?.id);
+        if (!userId) return this.viewError(this.linkPrompt());
+        const appUser = await this.buildAppUser(userId);
+        if (!appUser) return {};
+
+        const task = await appUser.tasksManager.fetchTaskById({ taskId });
+        if (!task) return {};
+        const checker = await appUser.permissionsFetcher.getCheckerForGoal(task.goalId);
+        if (!checker.hasPermissions(GoalPermissions.TASKS_CAN_ASSIGN_USERS)) {
+            return this.viewError('You do not have permission to assign this task.');
+        }
+
+        // toggleTaskUsers is called directly (not via the HTTP CanUpdateTaskAssignee guard),
+        // so re-validate every selected id is a member of this goal — Slack doesn't guarantee
+        // the submitted values are among the options we offered.
+        const valid = await this.repository.filterCollabIdsInGoal(selectedCollabIds, task.goalId);
+        if (valid.length !== selectedCollabIds.length) return this.viewError('One of the selected users is not a member of this project.');
+
+        // SET the assignee list to exactly the selection — this both adds and removes.
+        // An empty selection clears everyone (the input block is optional).
+        await appUser.tasksManager.toggleTaskUsers({ taskId, userIds: selectedCollabIds });
+        return {}; // closes the modal
+    }
+
+    private async resolveUser(slackUserId?: string, teamId?: string): Promise<number | null> {
+        if (!slackUserId) return null;
+        // Scope by workspace: a Slack user id is unique only within its team.
+        return this.repository.findUserIdByExternalId({ provider: 'slack', externalUserId: slackUserId, externalTeamId: teamId ?? null });
+    }
+
+    private async buildAppUser(userId: number): Promise<AppUser | null> {
+        const record = await new AppUser().authManager.repository.fetchUserById(userId);
+        if (!record || record.block !== 0) return null;
+        return new AppUser({ id: 0, userData: { id: record.id, login: record.login, email: record.email } });
+    }
+
+    private async botTokenForTeam(teamId?: string): Promise<string | null> {
+        if (!teamId) return null;
+        const encrypted = await this.repository.fetchSlackBotTokenEncrypted(teamId);
+        if (!encrypted) return null;
+        try {
+            return decrypt(encrypted);
+        } catch {
+            return null;
+        }
+    }
+
+    private assignView(members: { collabId: number; email: string }[], currentAssignees: number[], privateMetadata: string): object {
+        const current = new Set(currentAssignees);
+        const options = members.slice(0, 100).map((m) => ({
+            text: { type: 'plain_text', text: m.email.slice(0, 75) },
+            value: String(m.collabId),
+        }));
+        const initialOptions = options.filter((o) => current.has(Number(o.value)));
+
+        const element: Record<string, unknown> = {
+            type: 'multi_static_select',
+            action_id: SLACK_ASSIGN_SELECT_ACTION,
+            placeholder: { type: 'plain_text', text: 'Select assignees' },
+            options,
+        };
+        // Slack rejects an empty initial_options array — only set it when there are current ones.
+        if (initialOptions.length > 0) element.initial_options = initialOptions;
+
+        return {
+            type: 'modal',
+            callback_id: SLACK_VIEW_ASSIGN_CALLBACK,
+            private_metadata: privateMetadata,
+            title: { type: 'plain_text', text: 'Assignees' },
+            submit: { type: 'plain_text', text: 'Save' },
+            close: { type: 'plain_text', text: 'Cancel' },
+            blocks: [
+                {
+                    type: 'input',
+                    block_id: SLACK_ASSIGN_BLOCK,
+                    optional: true, // allow clearing everyone
+                    label: { type: 'plain_text', text: 'Assignees' },
+                    element,
+                },
+            ],
+        };
+    }
+
+    private parseMeta(raw?: string): { taskId?: number } {
+        try {
+            return raw ? JSON.parse(raw) : {};
+        } catch {
+            return {};
+        }
+    }
+
+    private viewError(message: string): object {
+        return { response_action: 'errors', errors: { [SLACK_ASSIGN_BLOCK]: message } };
+    }
+
+    private async ackEphemeral(responseUrl: string | undefined, text: string): Promise<void> {
+        if (responseUrl) await this.slack.respondEphemeral(responseUrl, text);
+    }
+
+    private ephemeral(text: string): SlackEphemeralReply {
+        return { response_type: 'ephemeral', text };
+    }
+
+    private linkPrompt(): string {
+        return `Link your Slack account in TaskView first: ${process.env.APP_URL ?? ''}`;
+    }
+}

api/src/tv-modules/messaging/config.ts

@@ -0,0 +1,21 @@
+// Configuration constants for the messaging module. Endpoints are env-overridable
+// (a mock server in tests, or an enterprise proxy), defaulting to the public provider
+// URLs. The Slack Web API methods all derive from one base.
+
+const SLACK_API_BASE = process.env.SLACK_API_BASE_URL || 'https://slack.com/api';
+
+export const SLACK_AUTHORIZE_URL = process.env.SLACK_AUTHORIZE_URL || 'https://slack.com/oauth/v2/authorize';
+export const SLACK_WEBHOOK_PREFIX = process.env.SLACK_WEBHOOK_PREFIX || 'https://hooks.slack.com/';
+export const SLACK_TOKEN_URL = `${SLACK_API_BASE}/oauth.v2.access`;
+export const SLACK_POST_MESSAGE_URL = `${SLACK_API_BASE}/chat.postMessage`;
+export const SLACK_UPDATE_MESSAGE_URL = `${SLACK_API_BASE}/chat.update`;
+export const SLACK_VIEWS_OPEN_URL = `${SLACK_API_BASE}/views.open`;
+
+export const SLACK_OAUTH_NONCE_COOKIE = 'msg_slack_oauth_nonce';
+export const OAUTH_STATE_TTL = '10m';
+export const OAUTH_NONCE_MAX_AGE_MS = 10 * 60 * 1000;
+
+export const TELEGRAM_API = 'https://api.telegram.org';
+
+// Lifetime of a deep-link binding token (connect-link flow).
+export const LINK_TTL_MS = 15 * 60 * 1000;

api/src/tv-modules/messaging/messages.ts

@@ -0,0 +1,46 @@
+import type { BuildMessagingMessageArgs, MessagingEvent, MessagingMessage } from './types';
+
+type Audience = 'personal' | 'project';
+
+// Delivered message titles. English on the server, matching NotificationMessages —
+// the backend has no i18n/per-recipient locale, so notification text is English by
+// convention. (The event-selection UI is localized separately via frontend i18n.)
+// Personal wording is second-person where it differs from the project-channel wording.
+const TITLES: Record<MessagingEvent, { personal: string; project: string }> = {
+    'task.created': { personal: '[New task]', project: '[New task]' },
+    'task.assigned': { personal: '[Task assigned to you]', project: '[Task assigned]' },
+    'task.statusChanged': { personal: '[Task status changed]', project: '[Task status changed]' },
+    'task.completed': { personal: '[Task completed]', project: '[Task completed]' },
+    'task.edited': { personal: '[Task edited]', project: '[Task edited]' },
+    'task.addedToSprint': { personal: '[Task added to sprint]', project: '[Task added to sprint]' },
+    'task.deleted': { personal: '[Task deleted]', project: '[Task deleted]' },
+    'sprint.created': { personal: '[Sprint created]', project: '[Sprint created]' },
+    'sprint.updated': { personal: '[Sprint edited]', project: '[Sprint edited]' },
+    'sprint.started': { personal: '[Sprint started]', project: '[Sprint started]' },
+    'sprint.reviewStarted': { personal: '[Sprint review started]', project: '[Sprint review started]' },
+    'sprint.completed': { personal: '[Sprint completed]', project: '[Sprint completed]' },
+    'sprint.paused': { personal: '[Sprint paused]', project: '[Sprint paused]' },
+    'sprint.resumed': { personal: '[Sprint resumed]', project: '[Sprint resumed]' },
+    'sprint.deleted': { personal: '[Sprint deleted]', project: '[Sprint deleted]' },
+    'member.added': { personal: '[Member added]', project: '[Member added]' },
+    'member.removed': { personal: '[Member removed]', project: '[Member removed]' },
+    'member.rolesChanged': { personal: '[Member roles changed]', project: '[Member roles changed]' },
+    'time.started': { personal: '[Timer started]', project: '[Timer started]' },
+    'time.stopped': { personal: '[Timer stopped]', project: '[Timer stopped]' },
+    'time.logged': { personal: '[Time logged]', project: '[Time logged]' },
+    'time.updated': { personal: '[Time entry edited]', project: '[Time entry edited]' },
+    'time.deleted': { personal: '[Time entry deleted]', project: '[Time entry deleted]' },
+    'recurrence.created': { personal: '[Recurrence created]', project: '[Recurrence created]' },
+    'recurrence.updated': { personal: '[Recurrence edited]', project: '[Recurrence edited]' },
+    'recurrence.paused': { personal: '[Recurrence paused]', project: '[Recurrence paused]' },
+    'recurrence.resumed': { personal: '[Recurrence resumed]', project: '[Recurrence resumed]' },
+    'recurrence.ended': { personal: '[Recurrence ended]', project: '[Recurrence ended]' },
+    'recurrence.deleted': { personal: '[Recurrence deleted]', project: '[Recurrence deleted]' },
+    'recurrence.skipped': { personal: '[Occurrence skipped]', project: '[Occurrence skipped]' },
+};
+
+export function buildMessagingMessage(args: BuildMessagingMessageArgs): MessagingMessage {
+    const base = args.titleOverride ?? TITLES[args.event][args.audience];
+    const title = args.projectName ? `${base} [${args.projectName}]` : base;
+    return { event: args.event, title, body: args.body, url: args.url, taskId: args.taskId, footer: args.footer, completed: args.completed, actions: args.actions };
+}

api/src/tv-modules/messaging/middlewares/ProjectMessagingPermission.ts

@@ -0,0 +1,22 @@
+import type { NextFunction, Request, Response } from 'express';
+import { GoalPermissions, type GoalPermissionType } from '../../../types/auth.types';
+
+function requireProjectPermission(permission: GoalPermissionType) {
+    return async (req: Request, res: Response, next: NextFunction) => {
+        const goalId = Number(req.body?.goalId ?? req.query?.goalId);
+        if (!goalId || Number.isNaN(goalId)) return res.status(400).end();
+
+        const checker = await req.appUser.permissionsFetcher.getCheckerForGoal(goalId);
+        if (!checker.hasPermissions(permission)) return res.status(403).end();
+
+        res.locals.messagingGoalId = goalId;
+        return next();
+    };
+}
+
+export const CanManageProjectMessaging = requireProjectPermission(GoalPermissions.INTEGRATIONS_CAN_MANAGE);
+export const CanViewProjectMessaging = requireProjectPermission(GoalPermissions.INTEGRATIONS_CAN_VIEW);
+
+export function getAuthorizedGoalId(res: Response): number {
+    return res.locals.messagingGoalId as number;
+}

api/src/tv-modules/messaging/middlewares/VerifySlackRequest.ts

@@ -0,0 +1,32 @@
+import { createHmac, timingSafeEqual } from 'crypto';
+import type { NextFunction, Request, Response } from 'express';
+import { $logger } from '../../../modules/logget';
+
+const MAX_AGE_SECONDS = 300;
+
+// Verifies inbound Slack requests (slash commands, interactivity) via the app Signing
+// Secret: HMAC-SHA256 over `v0:${timestamp}:${rawBody}`, compared timing-safe against the
+// X-Slack-Signature header, with a 5-minute timestamp window to blunt replay.
+export const VerifySlackRequest = (req: Request, res: Response, next: NextFunction) => {
+    const secret = process.env.SLACK_SIGNING_SECRET;
+    if (!secret) {
+        $logger.error('[Messaging/Slack] SLACK_SIGNING_SECRET is not set — rejecting inbound request');
+        return res.status(503).end();
+    }
+
+    const signature = req.headers['x-slack-signature'] as string | undefined;
+    const timestamp = req.headers['x-slack-request-timestamp'] as string | undefined;
+    const rawBody = (req as unknown as { rawBody?: Buffer }).rawBody;
+    if (!signature || !timestamp || !rawBody) return res.status(401).end();
+
+    const ts = Number(timestamp);
+    if (!Number.isFinite(ts) || Math.abs(Date.now() / 1000 - ts) > MAX_AGE_SECONDS) return res.status(401).end();
+
+    const expected = `v0=${createHmac('sha256', secret).update(`v0:${timestamp}:${rawBody.toString('utf8')}`).digest('hex')}`;
+    const expectedBuf = Buffer.from(expected);
+    const signatureBuf = Buffer.from(signature);
+    if (expectedBuf.length !== signatureBuf.length || !timingSafeEqual(expectedBuf, signatureBuf)) {
+        return res.status(401).end();
+    }
+    return next();
+};

api/src/tv-modules/messaging/middlewares/VerifyTelegramWebhook.ts

@@ -0,0 +1,35 @@
+import { timingSafeEqual } from 'crypto';
+import type { NextFunction, Request, Response } from 'express';
+import { $logger } from '../../../modules/logget';
+
+/**
+ * Telegram sends the value configured via setWebhook's secret_token in this
+ * header on every update. Reject anything that doesn't match so the public
+ * inbound endpoint can't be spoofed.
+ */
+export function VerifyTelegramWebhook(req: Request, res: Response, next: NextFunction) {
+    const expected = process.env.TELEGRAM_WEBHOOK_SECRET;
+    if (!expected) {
+        $logger.warn('[Messaging/Telegram] webhook rejected: TELEGRAM_WEBHOOK_SECRET not set');
+        return res.status(503).end();
+    }
+
+    const provided = req.header('X-Telegram-Bot-Api-Secret-Token') ?? '';
+    if (!safeEqual(provided, expected)) {
+        $logger.warn({ hasHeader: !!req.header('X-Telegram-Bot-Api-Secret-Token') }, '[Messaging/Telegram] webhook rejected: secret mismatch');
+        return res.status(401).end();
+    }
+
+    return next();
+}
+
+function safeEqual(a: string, b: string): boolean {
+    const aBuf = Buffer.from(a);
+    const bBuf = Buffer.from(b);
+    if (aBuf.length !== bBuf.length) return false;
+    try {
+        return timingSafeEqual(aBuf, bBuf);
+    } catch {
+        return false;
+    }
+}

api/src/tv-modules/messaging/providers/MessagingProvider.ts

@@ -0,0 +1,27 @@
+import type { MessagingDeliverArgs, MessagingDeliverResult, MessagingProviderId } from '../types';
+import type { ConnectContext, ConnectStart, InboundIntent, InboundRaw } from '../types.internal';
+
+/**
+ * Full contract for a messaging provider (Telegram, Slack, …). A provider owns its
+ * protocol end-to-end — building connect URLs, exchanging OAuth codes, parsing inbound
+ * payloads, calling the messenger API. It returns normalized data; the manager does the
+ * business work (persistence, RBAC) and never branches on the concrete provider.
+ */
+export interface MessagingProvider {
+    readonly id: MessagingProviderId;
+
+    /** Whether this instance has the credentials needed to operate (env/admin config). */
+    isConfigured(): boolean;
+
+    /** Send one message to a chat/channel. Never throws — failures come back as a result. */
+    deliver(args: MessagingDeliverArgs): Promise<MessagingDeliverResult>;
+
+    /**
+     * Everything needed to start connecting this owner: an authorize/deep-link URL, plus
+     * optionally a token to persist (deep-link flows) or a cookie to set (OAuth anti-CSRF).
+     */
+    startConnect(ctx: ConnectContext): Promise<ConnectStart>;
+
+    /** Parse a raw inbound payload (webhook / OAuth callback) into a normalized intent, or null. */
+    parseInbound(raw: InboundRaw): Promise<InboundIntent | null>;
+}

api/src/tv-modules/messaging/providers/slack.constants.ts

@@ -0,0 +1,8 @@
+// Slack Block Kit action / callback identifiers, shared between the provider (which
+// renders the buttons/modal) and the inbound handler (which routes interactions by them).
+export const SLACK_ACTION_DONE = 'tv_task_done';
+export const SLACK_ACTION_REOPEN = 'tv_task_reopen';
+export const SLACK_ACTION_ASSIGN = 'tv_task_assign';
+export const SLACK_VIEW_ASSIGN_CALLBACK = 'tv_assign_submit';
+export const SLACK_ASSIGN_BLOCK = 'tv_assign_block';
+export const SLACK_ASSIGN_SELECT_ACTION = 'tv_assign_select';

api/src/tv-modules/messaging/providers/slack.provider.ts

@@ -0,0 +1,290 @@
+import { createHash, randomBytes } from 'crypto';
+import axios from 'axios';
+import jwt from 'jsonwebtoken';
+import { $logger } from '../../../modules/logget';
+import { encrypt } from '../../../utils/crypto';
+import type { MessagingProvider } from './MessagingProvider';
+import type { MessagingDeliverArgs, MessagingDeliverResult, MessagingMessage, MessagingProviderId } from '../types';
+import type { MessagingOwnerType } from '../types';
+import { SLACK_ACTION_ASSIGN, SLACK_ACTION_DONE, SLACK_ACTION_REOPEN } from './slack.constants';
+import type { ConnectContext, ConnectStart, InboundIntent, InboundRaw, MessagingOAuthState, SlackOAuthAccessResponse, SlackOAuthExchange, SlackOpenModalArgs } from '../types.internal';
+import {
+    OAUTH_NONCE_MAX_AGE_MS,
+    OAUTH_STATE_TTL,
+    SLACK_AUTHORIZE_URL,
+    SLACK_OAUTH_NONCE_COOKIE,
+    SLACK_POST_MESSAGE_URL,
+    SLACK_TOKEN_URL,
+    SLACK_VIEWS_OPEN_URL,
+    SLACK_WEBHOOK_PREFIX,
+} from '../config';
+import { escapeSlackText, isSafeUrl } from '../utils';
+
+/**
+ * Slack provider. Bot credentials are instance-level (env), like GitHub/GitLab.
+ * Personal connections DM the installing user (bot token + chat.postMessage);
+ * project connections use an incoming webhook (channel chosen during install).
+ */
+export class SlackProvider implements MessagingProvider {
+    readonly id: MessagingProviderId = 'slack';
+
+    isConfigured(): boolean {
+        return !!process.env.SLACK_CLIENT_ID && !!process.env.SLACK_CLIENT_SECRET && !!process.env.SLACK_CALLBACK_URL;
+    }
+
+    getOAuthUrl(state: string, ownerType: MessagingOwnerType): string {
+        const clientId = process.env.SLACK_CLIENT_ID;
+        const redirectUri = process.env.SLACK_CALLBACK_URL;
+        if (!clientId || !redirectUri) {
+            throw new Error('Slack integration OAuth is not configured');
+        }
+        // Personal → bot posts a DM to the installer. Project → channel is picked at
+        // install via incoming-webhook, and chat:write lets us post + update messages
+        // (chat.update) and open modals for the interactive buttons via the bot token.
+        const scope = ownerType === 'project' ? 'incoming-webhook,chat:write' : 'chat:write';
+        const params = new URLSearchParams({
+            client_id: clientId,
+            scope,
+            redirect_uri: redirectUri,
+            state,
+        });
+        return `${SLACK_AUTHORIZE_URL}?${params.toString()}`;
+    }
+
+    async exchangeCode(code: string): Promise<SlackOAuthExchange> {
+        const redirectUri = process.env.SLACK_CALLBACK_URL;
+        const res = await axios.post<SlackOAuthAccessResponse>(
+            SLACK_TOKEN_URL,
+            new URLSearchParams({
+                client_id: process.env.SLACK_CLIENT_ID ?? '',
+                client_secret: process.env.SLACK_CLIENT_SECRET ?? '',
+                code,
+                redirect_uri: redirectUri ?? '',
+            }),
+            { headers: { 'Content-Type': 'application/x-www-form-urlencoded' } },
+        );
+
+        const data = res.data;
+        if (!data.ok || !data.access_token) {
+            throw new Error(`Slack code exchange failed: ${data.error ?? 'unknown'}`);
+        }
+
+        return {
+            botToken: data.access_token,
+            teamId: data.team?.id ?? null,
+            teamName: data.team?.name ?? null,
+            authedUserId: data.authed_user?.id ?? null,
+            webhookUrl: data.incoming_webhook?.url ?? null,
+            webhookChannel: data.incoming_webhook?.channel ?? null,
+            webhookChannelId: data.incoming_webhook?.channel_id ?? null,
+        };
+    }
+
+    async startConnect(ctx: ConnectContext): Promise<ConnectStart> {
+        // Anti-CSRF: a nonce is set as a cookie on the initiating browser and its hash is
+        // carried inside the signed state, verified on callback.
+        const nonce = randomBytes(32).toString('hex');
+        const state = jwt.sign(
+            {
+                provider: 'slack',
+                ownerType: ctx.ownerType,
+                ownerId: ctx.ownerId,
+                userId: ctx.userId,
+                nonceHash: this.hashNonce(nonce),
+                returnPath: ctx.returnPath ?? '',
+            } as MessagingOAuthState,
+            process.env.JWT_SIGN as string,
+            { expiresIn: OAUTH_STATE_TTL },
+        );
+        return {
+            kind: 'oauth',
+            url: this.getOAuthUrl(state, ctx.ownerType),
+            setCookie: { name: SLACK_OAUTH_NONCE_COOKIE, value: nonce, maxAgeMs: OAUTH_NONCE_MAX_AGE_MS },
+        };
+    }
+
+    async parseInbound(raw: InboundRaw): Promise<InboundIntent | null> {
+        // Slash commands / interactivity are handled by SlackInboundManager (they need
+        // multi-step Slack UI). Here we only complete the OAuth connect round-trip.
+        if (raw.source !== 'oauth-callback') return null;
+        const { code, state } = (raw.payload as { code?: string; state?: string }) ?? {};
+        if (!code || !state) return null;
+
+        const payload = jwt.verify(state, process.env.JWT_SIGN as string) as MessagingOAuthState;
+        if (payload.provider !== 'slack') throw new Error('Provider mismatch in OAuth state');
+
+        // The state's nonce hash must match the cookie set on the initiating browser.
+        // Enforced only in production: local dev often splits the frontend (localhost) from
+        // the public callback (tunnel), where a single browser cookie can't bridge origins.
+        const nonceOk = !!raw.cookie && this.hashNonce(raw.cookie) === payload.nonceHash;
+        if (!nonceOk) {
+            if (process.env.NODE_ENV === 'production') throw new Error('OAuth state/nonce mismatch');
+            $logger.warn('[Messaging/Slack] Skipping OAuth nonce check (non-production; split-origin dev)');
+        }
+
+        const ex = await this.exchangeCode(code);
+
+        if (payload.ownerType === 'project') {
+            if (!ex.webhookChannelId) throw new Error('Slack did not return the chosen channel');
+            // Store the bot token (not the webhook URL): posting via chat.postMessage also
+            // lets us update messages and open modals for the interactive buttons.
+            return {
+                kind: 'createConnection',
+                redirect: payload.returnPath,
+                connection: {
+                    provider: 'slack',
+                    ownerType: 'project',
+                    ownerId: payload.ownerId,
+                    targetChatId: ex.webhookChannelId,
+                    title: ex.webhookChannel,
+                    externalTeamId: ex.teamId,
+                    accessTokenEncrypted: encrypt(ex.botToken),
+                },
+            };
+        }
+
+        if (!ex.authedUserId) throw new Error('Slack did not return the installing user');
+        return {
+            kind: 'createConnection',
+            redirect: payload.returnPath,
+            identity: { userId: payload.userId, externalUserId: ex.authedUserId, externalTeamId: ex.teamId ?? null },
+            connection: {
+                provider: 'slack',
+                ownerType: 'user',
+                ownerId: payload.userId,
+                targetChatId: ex.authedUserId,
+                title: ex.teamName ? `Slack (${ex.teamName})` : 'Slack',
+                externalTeamId: ex.teamId,
+                accessTokenEncrypted: encrypt(ex.botToken),
+            },
+        };
+    }
+
+    private hashNonce(nonce: string): string {
+        return createHash('sha256').update(nonce).digest('hex');
+    }
+
+    async deliver(args: MessagingDeliverArgs): Promise<MessagingDeliverResult> {
+        if (!args.accessToken) return { success: false };
+        const secret = args.accessToken;
+        const text = this.render(args.message);
+        const blocks = this.buildTaskBlocks(args.message);
+
+        try {
+            // Legacy project connections store a webhook URL (no bot token → no interactive
+            // buttons). Newer connections store a bot token and post via chat.postMessage.
+            if (secret.startsWith(SLACK_WEBHOOK_PREFIX)) {
+                const res = await axios.post(secret, { text, blocks }, { timeout: 10000 });
+                return { success: res.status === 200 };
+            }
+
+            const res = await axios.post<{ ok: boolean; error?: string }>(
+                SLACK_POST_MESSAGE_URL,
+                { channel: args.chatId, text, blocks },
+                { headers: { Authorization: `Bearer ${secret}` }, timeout: 10000 },
+            );
+            if (!res.data.ok) {
+                $logger.warn(`[Messaging/Slack] chat.postMessage failed: ${res.data.error ?? 'unknown'} (channel=${args.chatId})`);
+            }
+            return { success: res.data.ok, errorCode: res.data.ok ? undefined : 400 };
+        } catch (err) {
+            // Never log the raw axios error — its config.url (incoming webhook, itself a
+            // secret) / config.headers.Authorization (bot token) would land in disk logs.
+            const status = (err as { response?: { status?: number } })?.response?.status;
+            $logger.error({ status }, `[Messaging/Slack] Delivery failed to ${args.chatId}`);
+            return { success: false };
+        }
+    }
+
+    /** Opens a modal (assignee picker). trigger_id from the interaction expires in ~3s. */
+    async openModal(args: SlackOpenModalArgs): Promise<boolean> {
+        return this.callApi(SLACK_VIEWS_OPEN_URL, args.botToken, { trigger_id: args.triggerId, view: args.view });
+    }
+
+    /** Ephemeral feedback for an interaction — posts to the payload's response_url (no token). */
+    async respondEphemeral(responseUrl: string, text: string): Promise<void> {
+        // response_url is Slack-supplied; pin its host to the configured webhook host so a
+        // trust regression can never turn this into an SSRF to an arbitrary URL.
+        let host: string;
+        try {
+            host = new URL(responseUrl).host;
+        } catch {
+            return;
+        }
+        if (host !== new URL(SLACK_WEBHOOK_PREFIX).host) return;
+        try {
+            // replace_original:false — post a separate ephemeral note, never overwrite the card
+            // the button was on (the response_url default is to replace the original message).
+            await axios.post(responseUrl, { response_type: 'ephemeral', replace_original: false, text }, { timeout: 10000 });
+        } catch {
+            // Best-effort user feedback; nothing to recover if Slack's response_url is unreachable.
+        }
+    }
+
+    private async callApi(url: string, botToken: string, body: Record<string, unknown>): Promise<boolean> {
+        try {
+            const res = await axios.post<{ ok: boolean; error?: string }>(url, body, {
+                headers: { Authorization: `Bearer ${botToken}` },
+                timeout: 10000,
+            });
+            if (!res.data.ok) $logger.warn(`[Messaging/Slack] ${url.split('/').pop()} failed: ${res.data.error ?? 'unknown'}`);
+            return res.data.ok;
+        } catch (err) {
+            const status = (err as { response?: { status?: number } })?.response?.status;
+            $logger.error({ status }, `[Messaging/Slack] API call failed: ${url.split('/').pop()}`);
+            return false;
+        }
+    }
+
+    // Block Kit: a text section plus Done/Assign action buttons for task events. The button
+    // value carries the taskId so the interaction round-trips it back to us.
+    private buildTaskBlocks(message: MessagingMessage): unknown[] {
+        const url = message.url && isSafeUrl(message.url) ? message.url : undefined;
+        const blocks: unknown[] = [];
+
+        // Task name as a large header (Slack's biggest text). Header is plain_text only — no
+        // link/markdown — so the clickable label lives in the section below.
+        if (message.body) {
+            blocks.push({ type: 'header', text: { type: 'plain_text', text: message.body.slice(0, 150), emoji: true } });
+        }
+
+        // Event + project label; the whole line links to the task.
+        const label = escapeSlackText(message.title);
+        blocks.push({ type: 'section', text: { type: 'mrkdwn', text: url ? `*<${url}|${label}>*` : `*${label}*` } });
+        // Assignees line above the buttons so the actions sit at the very bottom.
+        if (message.footer) {
+            blocks.push({ type: 'context', elements: [{ type: 'mrkdwn', text: escapeSlackText(message.footer) }] });
+        }
+        if (message.taskId && message.actions !== false) {
+            // A completed task offers Reopen; an open task offers Done.
+            const primary = message.completed
+                ? { type: 'button', text: { type: 'plain_text', text: '↩️ Reopen' }, action_id: SLACK_ACTION_REOPEN, value: String(message.taskId) }
+                : { type: 'button', text: { type: 'plain_text', text: '✅ Done' }, action_id: SLACK_ACTION_DONE, value: String(message.taskId) };
+            blocks.push({
+                type: 'actions',
+                elements: [
+                    primary,
+                    { type: 'button', text: { type: 'plain_text', text: '👤 Assign' }, action_id: SLACK_ACTION_ASSIGN, value: String(message.taskId) },
+                ],
+            });
+        }
+        return blocks;
+    }
+
+    private render(message: MessagingMessage): string {
+        const url = message.url && isSafeUrl(message.url) ? message.url : undefined;
+        const lines: string[] = [];
+        if (url) {
+            // Slack link syntax <url|text>: hyperlink the description, or the title
+            // when there is no description.
+            lines.push(message.body
+                ? `*${escapeSlackText(message.title)}*\n<${url}|${escapeSlackText(message.body)}>`
+                : `*<${url}|${escapeSlackText(message.title)}>*`);
+        } else {
+            lines.push(`*${escapeSlackText(message.title)}*`);
+            if (message.body) lines.push(escapeSlackText(message.body));
+        }
+        if (message.footer) lines.push(escapeSlackText(message.footer));
+        return lines.join('\n');
+    }
+}

api/src/tv-modules/messaging/providers/telegram.provider.ts

@@ -0,0 +1,105 @@
+import { randomBytes } from 'crypto';
+import { $logger } from '../../../modules/logget';
+import type { MessagingProvider } from './MessagingProvider';
+import type { MessagingDeliverArgs, MessagingDeliverResult, MessagingMessage, MessagingProviderId } from '../types';
+import type { ConnectContext, ConnectStart, InboundIntent, InboundRaw, TelegramInboundMessage } from '../types.internal';
+import { LINK_TTL_MS, TELEGRAM_API } from '../config';
+import { escapeHtml, isSafeUrl } from '../utils';
+
+/**
+ * Telegram bot provider. The bot token is instance-level (env), so the SaaS
+ * ships an official bot and self-hosted installs supply their own via
+ * TELEGRAM_BOT_TOKEN — no code fork, only config.
+ */
+export class TelegramProvider implements MessagingProvider {
+    readonly id: MessagingProviderId = 'telegram';
+
+    isConfigured(): boolean {
+        return !!process.env.TELEGRAM_BOT_TOKEN && !!process.env.TELEGRAM_BOT_USERNAME;
+    }
+
+    async deliver(args: MessagingDeliverArgs): Promise<MessagingDeliverResult> {
+        const token = process.env.TELEGRAM_BOT_TOKEN;
+        if (!token) return { success: false };
+
+        try {
+            const response = await fetch(`${TELEGRAM_API}/bot${token}/sendMessage`, {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({
+                    chat_id: args.chatId,
+                    text: this.render(args.message),
+                    parse_mode: 'HTML',
+                    disable_web_page_preview: true,
+                }),
+                signal: AbortSignal.timeout(10000),
+            });
+            return { success: response.ok, errorCode: response.ok ? undefined : response.status };
+        } catch (err) {
+            // Log only the message — the raw error can carry the request URL, which
+            // embeds the bot token.
+            const message = err instanceof Error ? err.message : 'unknown error';
+            $logger.error({ message }, `[Messaging/Telegram] Delivery failed to chat=${args.chatId}`);
+            return { success: false };
+        }
+    }
+
+    async startConnect(ctx: ConnectContext): Promise<ConnectStart> {
+        const username = process.env.TELEGRAM_BOT_USERNAME;
+        const token = randomBytes(24).toString('hex');
+        const expiresAt = new Date(Date.now() + LINK_TTL_MS);
+        // Personal → deep-link into a private chat (auto-sends /start <token>).
+        // Project → startgroup lets the admin add the bot to a group; the bind completes
+        // when they run /connect <token> there.
+        const url = ctx.ownerType === 'user'
+            ? `https://t.me/${username}?start=${token}`
+            : `https://t.me/${username}?startgroup=${token}`;
+        return { kind: 'deep-link', url, persistToken: { token, expiresAt } };
+    }
+
+    async parseInbound(raw: InboundRaw): Promise<InboundIntent | null> {
+        if (raw.source !== 'webhook') return null;
+        const message = (raw.payload as { message?: TelegramInboundMessage })?.message;
+        if (!message) return null;
+
+        const text = typeof message.text === 'string' ? message.text.trim() : '';
+        const chatId = message.chat?.id;
+        const chatType = message.chat?.type;
+        const fromId = message.from?.id;
+        if (!text || text.length > 4096 || typeof chatId !== 'number' || typeof fromId !== 'number') return null;
+
+        // /task <description> — create a task in this chat's project.
+        const taskMatch = text.match(/^\/task(?:@\w+)?\s+([\s\S]+)$/);
+        if (taskMatch) {
+            return { kind: 'command', command: 'createTask', text: taskMatch[1].trim().slice(0, 2000), chatId: String(chatId), externalUserId: String(fromId) };
+        }
+
+        const match = text.match(/^\/(?:start|connect)(?:@\w+)?\s+(\S+)$/);
+        if (!match) return null;
+
+        if (chatType === 'private') {
+            const title = typeof message.from?.username === 'string' ? `@${message.from.username}` : null;
+            return { kind: 'bindByToken', token: match[1], scope: 'user', chatId: String(chatId), externalUserId: String(fromId), title };
+        }
+        if (chatType === 'group' || chatType === 'supergroup') {
+            const title = typeof message.chat?.title === 'string' ? message.chat.title : null;
+            return { kind: 'bindByToken', token: match[1], scope: 'project', chatId: String(chatId), externalUserId: String(fromId), title };
+        }
+        return null;
+    }
+
+    private render(message: MessagingMessage): string {
+        // Mirror the Slack layout: task name (bold) on top, the "[event] [project]" label as
+        // the link below, assignees last. Telegram has no header size, so name is just bold.
+        const url = message.url && isSafeUrl(message.url) ? message.url : undefined;
+        const lines: string[] = [];
+
+        if (message.body) lines.push(`<b>${escapeHtml(message.body)}</b>`);
+
+        const label = escapeHtml(message.title);
+        lines.push(url ? `<a href="${escapeHtml(url)}">${label}</a>` : label);
+
+        if (message.footer) lines.push(escapeHtml(message.footer));
+        return lines.join('\n');
+    }
+}

api/src/tv-modules/messaging/types.internal.ts

@@ -0,0 +1,209 @@
+import type { MessagingConnectionsSchemaTypeForSelect } from 'taskview-db-schemas';
+import type { MessagingEvent, MessagingOwnerType, MessagingProviderId } from './types';
+
+export type MessagingConnectionForClient = Omit<MessagingConnectionsSchemaTypeForSelect, 'accessTokenEncrypted'>;
+
+export interface MessagingRecipient {
+    userId: number;
+    email: string;
+}
+
+export interface SlackOpenModalArgs {
+    botToken: string;
+    triggerId: string;
+    view: unknown;
+}
+
+export interface SlackOAuthAccessResponse {
+    ok: boolean;
+    error?: string;
+    access_token?: string;
+    team?: { id?: string; name?: string };
+    authed_user?: { id?: string };
+    incoming_webhook?: { url?: string; channel?: string; channel_id?: string };
+}
+
+export interface SlackSlashCommandPayload {
+    user_id?: string;
+    channel_id?: string;
+    team_id?: string;
+    text?: string;
+}
+
+export interface SlackInteractionPayload {
+    type?: string;
+    user?: { id?: string };
+    team?: { id?: string };
+    trigger_id?: string;
+    response_url?: string;
+    channel?: { id?: string };
+    container?: { message_ts?: string };
+    message?: { ts?: string; blocks?: { type?: string; text?: { text?: string } }[] };
+    actions?: { action_id?: string; value?: string }[];
+    view?: {
+        callback_id?: string;
+        private_metadata?: string;
+        state?: { values?: Record<string, Record<string, { selected_options?: { value?: string }[] }>> };
+    };
+}
+
+export interface SlackEphemeralReply {
+    response_type: 'ephemeral';
+    text: string;
+}
+
+export interface TelegramInboundMessage {
+    text?: unknown;
+    chat?: { id?: unknown; type?: unknown; title?: unknown };
+    from?: { id?: unknown; username?: unknown };
+}
+
+export interface MessagingTaskContext {
+    id: number;
+    goalListId: number | null;
+    description: string | null;
+    complete: boolean;
+}
+
+export interface MessagingDispatchArgs {
+    event: MessagingEvent;
+    goalId: number;
+    personalRecipients: MessagingRecipient[];
+    initiatorId: number | null;
+    /** Simple, non-content body (sprint name, member email, …). */
+    body?: string;
+    /** Task context: description is RBAC-gated per recipient (COMPONENT_CAN_WATCH_CONTENT) + a task deep-link. */
+    task?: MessagingTaskContext;
+    /** Overrides the title (e.g. "[Task reopened]" while still gated by the task.completed subscription). */
+    titleOverride?: string;
+}
+
+/** Slack identities are keyed by workspace; Telegram passes externalTeamId = null. */
+export interface MessagingIdentityUpsert {
+    userId: number;
+    provider: string;
+    externalUserId: string;
+    externalTeamId: string | null;
+}
+
+export interface MessagingIdentityLookup {
+    provider: string;
+    externalUserId: string;
+    externalTeamId: string | null;
+}
+
+export interface MessagingChannelLookup {
+    provider: string;
+    channelId: string;
+    externalTeamId: string | null;
+}
+
+export interface MessagingConnectionCreate {
+    provider: MessagingProviderId;
+    ownerType: MessagingOwnerType;
+    ownerId: number;
+    targetChatId: string;
+    title: string | null;
+    externalTeamId: string | null;
+    accessTokenEncrypted: string | null;
+}
+
+export interface MessagingOwnedRef {
+    id: number;
+    ownerType: MessagingOwnerType;
+    ownerId: number;
+}
+
+export interface MessagingOwnedToggle extends MessagingOwnedRef {
+    isActive: boolean;
+}
+
+export interface MessagingLinkTokenCreate {
+    token: string;
+    provider: MessagingProviderId;
+    ownerType: MessagingOwnerType;
+    ownerId: number;
+    createdBy: number;
+    expiresAt: Date;
+}
+
+export interface SlackOAuthExchange {
+    botToken: string;
+    teamId: string | null;
+    teamName: string | null;
+    authedUserId: string | null;
+    webhookUrl: string | null;
+    webhookChannel: string | null;
+    webhookChannelId: string | null;
+}
+
+export interface MessagingOAuthState {
+    provider: MessagingProviderId;
+    ownerType: MessagingOwnerType;
+    ownerId: number;
+    userId: number;
+    /** SHA-256 of a nonce also stored in an httpOnly cookie — binds the flow to the initiating browser (anti-CSRF). */
+    nonceHash: string;
+    /** In-app path the user started from, to return them there after the callback. */
+    returnPath: string;
+}
+
+export interface MessagingConnectLinkResult {
+    provider: MessagingProviderId;
+    url: string;
+    token: string;
+    expiresAt: string;
+}
+
+// ── Provider lifecycle (single MessagingProvider interface) ─────────────────
+// Everything a provider needs to start a connection. The manager stays generic:
+// it never branches on provider — it just persists what the provider returns.
+
+export interface ConnectContext {
+    ownerType: MessagingOwnerType;
+    ownerId: number;
+    userId: number;
+    /** In-app path to return to after an OAuth round-trip (Slack); ignored by others. */
+    returnPath?: string;
+}
+
+// Discriminated so the two flows can't be mixed up: a deep-link provider always mints a
+// token to persist; an OAuth provider always sets an anti-CSRF cookie. Never both.
+export type ConnectStart =
+    | { kind: 'deep-link'; url: string; persistToken: { token: string; expiresAt: Date } }
+    | { kind: 'oauth'; url: string; setCookie: { name: string; value: string; maxAgeMs: number } };
+
+/** Raw inbound, tagged by which endpoint received it so the provider can parse accordingly. */
+export interface InboundRaw {
+    source: 'oauth-callback' | 'webhook';
+    payload: unknown;
+    /** Cookie value echoed back for verification (OAuth nonce). */
+    cookie?: string;
+}
+
+/** Normalized inbound outcome. The provider parses protocol; the manager does DB + RBAC. */
+export type InboundIntent =
+    | {
+        kind: 'createConnection';
+        connection: MessagingConnectionCreate;
+        /** Personal connections also link the messenger account to a TaskView user. */
+        identity?: { userId: number; externalUserId: string; externalTeamId: string | null };
+        /** In-app path to redirect the browser to (OAuth callback). */
+        redirect?: string;
+    }
+    | {
+        kind: 'bindByToken';
+        token: string;
+        scope: MessagingOwnerType;
+        chatId: string;
+        externalUserId: string;
+        title: string | null;
+    }
+    | {
+        /** A command from a chat (e.g. Telegram /task). The manager resolves identity + RBAC. */
+        kind: 'command';
+        command: 'createTask';
+        text: string;
+        chatId: string;
+        externalUserId: string;
+    };