docs(dev): add pre-commit setup instructions to code quality guide

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docs/development/code-quality.md

@@ -7,11 +7,30 @@ This guide covers the code quality tools and standards used in the Wizamart plat
 The project uses modern Python tooling to maintain high code quality:
 
 - **Ruff** - All-in-one linter and formatter (replaces black, isort, flake8, and more)
+- **pre-commit** - Git hooks that auto-fix lint issues before each commit
 - **mypy** - Static type checker
 - **pytest** - Testing framework with coverage reporting
 
 All tools are configured in `pyproject.toml` for consistency and ease of use.
 
+## Setup (after cloning)
+
+```bash
+# Install dev dependencies (includes ruff, pre-commit, mypy)
+pip install -r requirements-dev.txt
+
+# Install pre-commit git hooks (required once per clone)
+pre-commit install
+```
+
+The pre-commit hook runs automatically on every `git commit` and will:
+
+- Validate architecture patterns
+- Fix trailing whitespace and missing end-of-file newlines
+- Auto-fix ruff lint issues (import sorting, unused imports, etc.)
+
+If a hook modifies files (e.g. fixes imports), the commit is aborted. Simply `git add` the fixed files and commit again.
+
 ## Quick Start
 
 ```bash
@@ -26,6 +45,9 @@ make check
 
 # Strict linting (no auto-fix) - for CI/CD
 make lint-strict
+
+# Run pre-commit hooks manually on all files
+pre-commit run --all-files
 ```
 
 ## Ruff - Modern Linting and Formatting