Moved imports from middle of files to the top for better code organization.
Changes:
- Moved csv, io, peewee, playhouse imports to top of player_service.py
- Moved playhouse import to top of team_service.py
- Kept lazy DB imports (Player, Team, db) in methods where needed
with clear "Lazy import" comments explaining why
Rationale for remaining mid-file imports:
- Player/Team/db imports are lazy-loaded to avoid importing heavyweight
db_engine module during testing with mocks
- Only imported when RealRepository methods are actually called
- Prevents circular import issues and unnecessary DB connections in tests
All tests pass: 76 passed, 9 skipped, 0 failed
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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