- Introduced `query_sanitizer.py` for inline query, date, and sort sanitization.
- Added `result_filter.py` for runtime filtering helpers, including asset exclusion and enrichment pause functionality.
- Implemented `result_hydrator.py` for database hydration helpers, ensuring assets are properly hydrated with metadata.
- Created unit tests in `test_db_refactor_helpers.py` to validate database lock detection and SQL write query identification.