CLAUDE: Replace black and flake8 with ruff for formatting and linting
Migrated to ruff for faster, modern code formatting and linting:
Configuration changes:
- pyproject.toml: Added ruff 0.8.6, removed black/flake8
- Configured ruff with black-compatible formatting (88 chars)
- Enabled comprehensive linting rules (pycodestyle, pyflakes, isort,
pyupgrade, bugbear, comprehensions, simplify, return)
- Updated CLAUDE.md: Changed code quality commands to use ruff
Code improvements (490 auto-fixes):
- Modernized type hints: List[T] → list[T], Dict[K,V] → dict[K,V],
Optional[T] → T | None
- Sorted all imports (isort integration)
- Removed unused imports
- Fixed whitespace issues
- Reformatted 38 files for consistency
Bug fixes:
- app/core/play_resolver.py: Fixed type hint bug (any → Any)
- tests/unit/core/test_runner_advancement.py: Removed obsolete random mock
Testing:
- All 739 unit tests passing (100%)
- No regressions introduced
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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