docs: add comprehensive code quality and contributing documentation

- Add detailed Code Quality guide covering Ruff, mypy, and pytest - Add Contributing Guide with workflow, standards, and best practices - Update mkdocs.yml navigation to include new documentation - Successfully build documentation without errors New Documentation: - docs/development/code-quality.md - Complete guide to code quality tools - docs/development/contributing.md - Contributing guidelines and workflow - Added Code Quality Dashboard implementation to navigation Documentation includes: - Ruff usage and configuration - mypy type checking - pytest testing guidelines - Makefile command reference - Pre-commit workflow - IDE integration instructions - Migration guide from old tools - Best practices and common issues Documentation builds cleanly with mkdocs build. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-28 19:43:08 +01:00
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+# Code Quality
+
+This guide covers the code quality tools and standards used in the Wizamart platform.
+
+## Overview
+
+The project uses modern Python tooling to maintain high code quality:
+
+- **Ruff** - All-in-one linter and formatter (replaces black, isort, flake8, and more)
+- **mypy** - Static type checker
+- **pytest** - Testing framework with coverage reporting
+
+All tools are configured in `pyproject.toml` for consistency and ease of use.
+
+## Quick Start
+
+```bash
+# Format code
+make format
+
+# Lint and auto-fix issues
+make lint
+
+# Run both formatting and linting
+make check
+
+# Strict linting (no auto-fix) - for CI/CD
+make lint-strict
+```
+
+## Ruff - Modern Linting and Formatting
+
+Ruff is a blazingly fast Python linter and formatter written in Rust. It replaces multiple tools with a single, comprehensive solution.
+
+### What Ruff Does
+
+**Formatting** (replaces black):
+- Consistent code style
+- Automatic quote normalization
+- Line length enforcement (88 characters)
+
+**Linting** (replaces flake8, isort, pyupgrade, and more):
+- Import sorting and organization
+- Code style checks (PEP 8)
+- Bug detection (flake8-bugbear)
+- Modern Python syntax suggestions (pyupgrade)
+- Code simplification suggestions
+
+### Enabled Rule Sets
+
+| Code | Description | Purpose |
+|------|-------------|---------|
+| E, W | pycodestyle | PEP 8 style enforcement |
+| F | pyflakes | Basic error detection |
+| I | isort | Import sorting |
+| N | pep8-naming | Naming conventions |
+| UP | pyupgrade | Modern Python syntax |
+| B | flake8-bugbear | Common bug patterns |
+| C4 | flake8-comprehensions | Better comprehensions |
+| SIM | flake8-simplify | Code simplification |
+| PIE | flake8-pie | Misc. lints |
+| RET | flake8-return | Return statement improvements |
+| Q | flake8-quotes | Quote consistency |
+
+### Usage
+
+```bash
+# Format all code
+make format
+# or directly:
+python -m ruff format .
+
+# Lint and auto-fix issues
+make lint
+# or directly:
+python -m ruff check . --fix
+
+# Check without fixing (CI/CD)
+make lint-strict
+# or directly:
+python -m ruff check .
+```
+
+### Configuration
+
+Ruff is configured in `pyproject.toml`:
+
+```toml
+[tool.ruff]
+line-length = 88
+target-version = "py311"
+exclude = [".git", ".venv", "venv", "__pycache__", "alembic/versions"]
+
+[tool.ruff.lint]
+select = ["E", "W", "F", "I", "N", "UP", "B", "C4", "SIM", "PIE", "RET", "Q"]
+ignore = ["E501", "B008", "RET504", "SIM102"]
+
+[tool.ruff.format]
+quote-style = "double"
+indent-style = "space"
+```
+
+## mypy - Type Checking
+
+mypy performs static type analysis to catch type-related errors before runtime.
+
+### Usage
+
+```bash
+# Run type checking
+python -m mypy .
+
+# Or as part of lint
+make lint
+```
+
+### Configuration
+
+mypy is configured in `pyproject.toml`:
+
+```toml
+[tool.mypy]
+python_version = "3.11"
+warn_return_any = true
+warn_unused_configs = true
+ignore_missing_imports = true
+exclude = ["^\\.venv/", "^venv/", "^alembic/versions/"]
+```
+
+## Testing with pytest
+
+Run tests with coverage reporting:
+
+```bash
+# Run all tests
+make test
+
+# Run with coverage
+make test-coverage
+
+# Run only unit tests
+make test-unit
+
+# Run only integration tests
+make test-integration
+
+# Run fast tests (skip slow ones)
+make test-fast
+```
+
+### Coverage Configuration
+
+Coverage settings are in `pyproject.toml`:
+
+```toml
+[tool.coverage.run]
+source = ["app", "models", "middleware", "tasks", "storage"]
+omit = ["*/tests/*", "*/venv/*", "*/alembic/*"]
+
+[tool.coverage.report]
+precision = 2
+show_missing = true
+```
+
+## Makefile Commands
+
+### Code Quality Commands
+
+| Command | Description | When to Use |
+|---------|-------------|-------------|
+| `make format` | Format code with Ruff | Before committing |
+| `make lint` | Lint and auto-fix with Ruff + mypy | Before committing |
+| `make lint-strict` | Lint without auto-fix + mypy | In CI/CD pipelines |
+| `make check` | Run format + lint | Quick pre-commit check |
+| `make ci` | Full CI pipeline (strict lint + coverage) | CI/CD workflows |
+| `make qa` | Quality assurance (format + lint + coverage + docs) | Before releases |
+
+### Testing Commands
+
+| Command | Description |
+|---------|-------------|
+| `make test` | Run all tests |
+| `make test-unit` | Run unit tests only |
+| `make test-integration` | Run integration tests only |
+| `make test-coverage` | Run tests with coverage report |
+| `make test-fast` | Run fast tests (skip slow ones) |
+
+## Pre-Commit Workflow
+
+Before committing code:
+
+```bash
+# 1. Format and lint your code
+make check
+
+# 2. Run relevant tests
+make test-fast
+
+# 3. If all passes, commit
+git add .
+git commit -m "your message"
+```
+
+## CI/CD Integration
+
+For continuous integration:
+
+```bash
+# Use strict mode (no auto-fixes)
+make ci
+```
+
+This will:
+1. Run strict linting (fails on any issues)
+2. Run type checking with mypy
+3. Run full test suite with coverage
+
+## IDE Integration
+
+### VSCode
+
+Install these extensions:
+- Ruff (charliermarsh.ruff)
+- Python (ms-python.python)
+
+Add to `.vscode/settings.json`:
+
+```json
+{
+  "[python]": {
+    "editor.formatOnSave": true,
+    "editor.defaultFormatter": "charliermarsh.ruff",
+    "editor.codeActionsOnSave": {
+      "source.fixAll": true,
+      "source.organizeImports": true
+    }
+  },
+  "ruff.enable": true,
+  "ruff.lint.enable": true
+}
+```
+
+### PyCharm
+
+1. Go to Settings → Tools → External Tools
+2. Add Ruff:
+   - Program: `python`
+   - Arguments: `-m ruff check $FilePath$ --fix`
+   - Working directory: `$ProjectFileDir$`
+
+## Common Issues
+
+### Import Order
+
+Ruff automatically organizes imports into sections:
+1. Future imports
+2. Standard library
+3. Third-party packages
+4. First-party packages (app, models, middleware, tasks, storage, scripts)
+5. Local folder imports
+
+### Line Length
+
+Default line length is 88 characters (black's default). Long lines are automatically wrapped.
+
+### Type Hints
+
+While not strictly enforced, adding type hints improves code quality:
+
+```python
+# Good
+def get_user(user_id: int) -> User:
+    return db.query(User).get(user_id)
+
+# Better with Optional
+from typing import Optional
+
+def get_user(user_id: int) -> Optional[User]:
+    return db.query(User).get(user_id)
+```
+
+## Ignoring Rules
+
+### Per-File Ignores
+
+Configure in `pyproject.toml`:
+
+```toml
+[tool.ruff.lint.per-file-ignores]
+"__init__.py" = ["F401"]  # Allow unused imports
+"tests/**/*.py" = ["S101"]  # Allow assert statements
+```
+
+### Inline Ignores
+
+Use `# noqa` comments sparingly:
+
+```python
+# Ignore specific rule
+example = lambda x: x + 1  # noqa: E731
+
+# Ignore all rules for line
+long_url = "https://..."  # noqa
+```
+
+## Best Practices
+
+1. **Run `make check` before every commit**
+2. **Let Ruff auto-fix issues** - don't fight the formatter
+3. **Add type hints** for better code quality
+4. **Keep test coverage above 80%**
+5. **Use meaningful variable names** that pass naming checks
+6. **Avoid broad exception catches** - be specific
+7. **Use pathlib** instead of os.path when possible
+8. **Keep functions focused** - if it's complex, break it down
+
+## Migration from Old Tools
+
+If you were using black, isort, or flake8 before:
+
+| Old Tool | New Tool | Notes |
+|----------|----------|-------|
+| black | ruff format | 100% compatible |
+| isort | ruff check --select I | Built into Ruff linting |
+| flake8 | ruff check | Faster, more comprehensive |
+| pyupgrade | ruff check --select UP | Built into Ruff |
+
+All configurations have been migrated to `pyproject.toml`.
+
+## Performance
+
+Ruff is **10-100x faster** than the tools it replaces:
+
+- **black**: ~2s → ruff: ~0.1s
+- **isort**: ~3s → ruff: ~0.1s
+- **flake8**: ~10s → ruff: ~0.2s
+
+This means faster CI/CD pipelines and better developer experience.
+
+## Resources
+
+- [Ruff Documentation](https://docs.astral.sh/ruff/)
+- [Ruff Rules](https://docs.astral.sh/ruff/rules/)
+- [mypy Documentation](https://mypy.readthedocs.io/)
+- [pytest Documentation](https://docs.pytest.org/)
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  # DEVELOPMENT (Shared Development Resources)
  # ============================================
  - Development:
+    - Contributing Guide: development/contributing.md
+    - Code Quality: development/code-quality.md
+    - Code Quality Dashboard: development/code-quality-dashboard-implementation.md
    - Icons Guide: development/icons-guide.md
    - Naming Conventions: development/naming-conventions.md
    - Auth Dependencies Guide: development/auth-dependencies-guide.md