Adds 9 comprehensive tests covering all aspects of Issue #1 implementation:
**TestDatabaseInitialization (2 tests):**
- DatabaseManager instantiation and configuration
- Database schema creation with proper table structure
**TestFrontMatterParsing (3 tests):**
- FrontMatterParser instantiation
- Parsing Issue #1 example content with YAML front matter
- Handling markdown content without front matter
**TestIntegratedWorkflow (2 tests):**
- Complete end-to-end workflow with Issue #1 example file
- Multiple file storage and retrieval validation
**TestErrorHandling (2 tests):**
- Graceful handling of invalid YAML front matter
- Exception handling for invalid database paths
All tests validate the exact requirements from Issue #1 specification,
including the provided example markdown content with front matter.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
