matchPar2Releases checked every same-size release_files row's set and date (18 s per batch of body-derived binaries); now an index on release_files (release_id, size) drops the repeated sizes first: 0.16 s. File inserts updated their release in four row triggers; one statement trigger now updates each release once per INSERT. Completeness is noted in release_dirty and recomputed by gc:scheduler every 30 minutes. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>