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rustfs/.agents/skills/arch-checks/SKILL.md
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Zhengchao An b097c94c59 ci: model server as a composition root (#5459)
* ci: model server as a composition root

* test(ci): cover server to storage layer flow
2026-07-30 00:52:37 +00:00

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---
name: arch-checks
description: Resolve failures from the repository's architecture guard scripts — check_layer_dependencies.sh, check_architecture_migration_rules.sh, check_unsafe_code_allowances.sh, check_logging_guardrails.sh, check_doc_paths.sh. Use when make pre-commit / pre-pr or CI fails on one of these checks.
---
# Architecture Guard Checks
All five run in `make pre-commit` / `make pre-pr` and in CI. Fix the cause;
never weaken a check to get green.
## `check_layer_dependencies.sh` — layer DAG in `rustfs/src`
Enforces `composition (server, startup/init) → interface (admin,
storage/ecfs, storage/s3_api) → app → infra`; no upward imports. Server source
files are composition roots, while imports of their exported HTTP contracts
are classified as interface dependencies. Known legacy violations live in
`scripts/layer-dependency-baseline.txt`.
Dedicated `*_test.rs` and `tests/` modules are outside this production guard.
Inline `#[cfg(test)]` imports remain checked under their source file's layer;
move architecture-crossing test scaffolding into a dedicated test module.
- **New violation**: restructure your change so the dependency points
downward (move the shared type/function to the lower layer).
- **You legitimately removed a baseline entry**: run
`./scripts/check_layer_dependencies.sh --update-baseline` and commit the
shrunken baseline. Never add new entries to the baseline to make a new
violation pass.
## `check_architecture_migration_rules.sh` — required doc sections
Asserts that the core docs under `docs/architecture/` (overview,
crate-boundaries, runtime-lifecycle, readiness-matrix,
storage-control-data-plane, global-state-crate-split-plan,
ecstore-module-split-plan, …) still contain specific headings and exact
source lines. If it fails after a doc edit, you reworded or removed a
guarded line — restore the wording or update the script deliberately in the
same PR, with rationale.
## `check_unsafe_code_allowances.sh`
Every `#[allow(unsafe_code)]` needs a `SAFETY:` comment within a few lines.
Write the actual safety argument; don't add a placeholder.
## `check_logging_guardrails.sh`
A fixed list of security-sensitive files (auth, IAM, KMS, admin handlers…)
is scanned for logging violations. If you created a new sensitive file,
consider adding it to the script's `checked_files` list.
## `check_doc_paths.sh`
Instruction/architecture docs (`AGENTS.md`, `CLAUDE.md`, `ARCHITECTURE.md`,
`docs/architecture/*.md`) must not reference repo file paths that no longer
exist. If your refactor moved code, update the docs that point at it — the
error message lists `doc -> stale-path` pairs.
## `check_no_planning_docs.sh`
Planning-type documents must not be committed (see AGENTS.md "Sources of
Truth"). The guard fails if anything is tracked under `docs/superpowers/`
`.gitignore` already ignores it, but `git add -f` bypasses that, so this closes
the hole. Fix by removing the listed file(s) with `git rm`; keep the plan or
spec in the issue tracker or a local worktree instead.