- Add PUT /api/v1/projects/{project} endpoint with audit logging
- Add PUT /api/v1/project/{project}/packages/{package} endpoint with audit logging
- Add artifact.download audit logging to download endpoint
- Enhance tag history endpoint with artifact metadata and pagination
- Add ProjectHistory and PackageHistory models for metadata change tracking
- Add database triggers for automatic history population on updates
- Add migration 004_history_tables.sql with tables and triggers
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