bvandeusenandClaude Opus 5
3313c3b10a
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The three pixel constants added with the #4223 fix were chosen without ever measuring real files — CI only has synthetic split/solid fixtures, and FC verifies nowhere else. This prints the measurements they should have been chosen from: per pair, the hash distance, the mean drift, the changed-pixel fraction, the verdict, and which gate produced it. It drives the real find_similar with the real confirm rather than restating the decision, so it cannot drift from what the importer does. Read-only: opens files, touches no database. Also splits fingerprint_diff out of fingerprints_match — same computation, now returning the numbers instead of only the boolean, so the report can show how far a pair sat from a limit rather than which side of it it fell on. Runs inside the published :dev image (PIL + imagehash already there, no local env needed) with the art folder mounted read-only — rule 147's channel, so nothing has to reach main to be tried. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR