.pre-commit-config.yaml

@@ -0,0 +1,18 @@
+repos:
+  - repo: https://github.com/shellcheck-py/shellcheck-py
+    rev: v0.9.0.6
+    hooks:
+      - id: shellcheck
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.8
+    hooks:
+      - id: ruff
+        args: [--fix]
+      - id: ruff-format
+
+  - repo: https://github.com/commitizen-tools/commitizen
+    rev: v3.2.0
+    hooks:
+      - id: commitizen
+        stages: [commit-msg]

CONTRIBUTING.md

@@ -16,6 +16,38 @@
 - Test changes before submitting
 - See [VERSIONING.md](VERSIONING.md) for backport compatibility rules
 
+## Pre-commit Hooks
+
+This repository uses [pre-commit](https://pre-commit.com/) for linting and commit message enforcement.
+
+### Setup
+
+```bash
+pip install pre-commit
+pre-commit install
+```
+
+### Hooks
+
+- **shellcheck** — Lints bash scripts
+- **ruff** — Lints and formats Python
+- **commitizen** — Enforces [Conventional Commits](https://www.conventionalcommits.org/) format
+
+### Commit Message Format
+
+Use Conventional Commits format:
+
+```
+type(scope): message
+
+# Examples
+fix(session): handle missing session gracefully
+feat(pm): add queue daemon for task delegation
+docs: update contributing guide
+```
+
+Types: `fix`, `feat`, `docs`, `refactor`, `chore`, `test`
+
 ## Branches
 
 ### Primary Branches