Create database infrastructure for local model file tracking and CivitAI cache:
- schema.sql: Full schema with local_files, CivitAI cache tables, and views
- db.py: Database class with CRUD operations for file scanning, CivitAI linking,
model caching, search, and trigger word retrieval
- Update compute_sha256 to support optional console for silent batch operations
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adam Ladachowski