Major changes:
- Fix cursor loop syntax in 04_import_comenzi.sql using BULK COLLECT pattern
- Remove obsolete test scripts (apply_fix.py, check_*.py, debug_functions.py, test_*.py)
- Add comprehensive README.md files for api/ and api/tests/ directories
- Keep only essential testing scripts (final_validation.py, test_syntax.py)
- Update PRD.md with latest project status
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
