Fix linting issues: line length, import sorting, unused variables

- Set ruff/black line length to 120
- Reformatted code with black
- Fixed import ordering with ruff
- Disabled lint for UI component files with long CSS strings
- Updated pyproject.toml with proper tool configuration

app/strategies/__init__.py

@@ -1,6 +1,6 @@
 from .base import BaseStrategy, StrategyConfig
 from .engine import StrategySelectionEngine
-from .laddered_put import LadderSpec, LadderedPutStrategy
+from .laddered_put import LadderedPutStrategy, LadderSpec
 from .lease import LeaseAnalysisSpec, LeaseStrategy
 from .protective_put import ProtectivePutSpec, ProtectivePutStrategy