bb606f52f5
- Created src/core/tkg/ module with service, log, and models - Added tkg_operation_log table for tracking all TKG operations - TkgService: build, rebuild (with force option), delete, get_operations - Updated rebuild endpoint with force parameter - Added GET /api/v1/file/:file_uuid/tkg for operation history - Added DELETE /api/v1/file/:file_uuid/tkg for TKG deletion - TKG rebuild now always triggers Rule 2 (even with 0 edges) - Full audit trail for all TKG operations (create/update/delete/rebuild)