Fixes:
- Added database connection logging with masked DSN
- Added migration progress logging
- Added HTTP server startup logging with address
- Fixed database provider to accept logger parameter
- Improved error visibility throughout initialization
Documentation:
- Moved Story 1.7 (Service Client Interfaces) to Epic 2 as Story 2.7
- Updated Epic 1 and Epic 2 READMEs
- Updated COMPLETE_TASK_LIST.md
- Updated story metadata (ID, Epic, Dependencies)
These changes will help diagnose startup issues and provide better visibility into what the application is doing.
