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Author SHA1 Message Date
bvandeusenandClaude Opus 5 2e0f8f8c61 feat(cleanup): reclaim orphaned attachments — rows and store blobs (#3068)
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PostAttachment's two FKs are both ON DELETE SET NULL, so a deleted post or
artist left the row behind rather than taking it. Nothing ever pruned those
rows, and nothing in the repo had ever unlinked a file under the attachment
store — so both rows and bytes accumulated permanently, invisible to every
existing diagnostic.

Why a disk->DB reconciliation rather than a row sweep: the store is
sha-addressed and idempotent, so ONE blob backs MANY rows. Deleting a row
does not free its blob, and since the artist cascade (#3066) now deletes
its attachment rows outright, a freed blob has no DB pointer left to find
it by. Walking the store and asking "does any row still reference this
sha?" catches orphans from every cause, including ones no future delete
path will think to report.

Preview and apply share `_orphan_attachment_conditions` (rule 93). The
dry-run derives its surviving-sha set by NEGATING that same predicate, so
it is honest about blobs the delete would free rather than counting them as
still-referenced — the one place this was easy to get backwards, so it has
its own parity test.

Guards, each with a reason:
- A blob is written before its row commits, so a just-stored file legitimately
  has no referencing row. Files under 6h are never judged — same guard and
  reasoning as ORPHAN_TEMP_MIN_AGE_HOURS.
- `.partial` staging files belong to cleanup_orphaned_temp_files; skipped
  rather than raced.
- The sha is parsed as the first 64 chars, not via Path.stem: store() takes
  the extension from the source filename, and a URL-encoded basename yields a
  multi-dot suffix that would make stem eat part of the sha.
- A 900s walk budget reports partial=True instead of running to the task's
  hard limit (rule 89).
- TASK_STUCK_THRESHOLD_MINUTES override at 30 (= time_limit 25 + 5). Without
  it a healthy 20-minute walk is phantom-flagged 'RecoverySweep' at the bare
  5-min default — the #883 failure class; its invariant test is mirrored here.

Defaults to the safe preview at both the task and the route, unlike the other
maintenance triggers: this apply unlinks files. Operator-triggered only,
never on a beat.

Ships with its UI (rule 27): AttachmentReclaimCard in Cleanup → Duplicates &
leftovers, built on the existing useMaintenanceTask/MaintenanceTile shapes, so
a run survives navigating away. Surfaces files_failed and partial explicitly,
since both change what the numbers mean.

Also promotes humanBytes to utils/bytes.js — it was byte-identical in
VideoDedupCard and GatedPurgeCard and this card would have been the third
copy. The three divergent `formatBytes` helpers are deliberately left alone.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-26 22:37:24 -04:00
bvandeusenandClaude Opus 4.8 540151290b feat(cleanup): purge misgrabbed gated-post blurred previews (#874 follow-up)
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A one-shot Maintenance action to remove the blurred locked-preview images
the ingester downloaded from tier-gated Patreon posts before #874.

current_user_can_view was never persisted, so the cleanup re-walks each
enabled Patreon source (read-only) to re-derive which posts are gated now
and the blurred filehashes Patreon serves for them, then matches by
CONTENT HASH against stored source_filehash. Because the hash is
content-addressed, a real file downloaded when access existed has a
different hash and can never match — regained-then-lost-access content is
provably spared (operator's hard requirement). NULL source_filehash =>
unverifiable, kept + reported.

On apply: delete matched ImageRecords + files (provenance cascades),
clear seen/dead-letter ledger rows for those hashes so the real media
re-ingests if access returns, and delete gated posts left bare. Shares
one match predicate between preview and apply (rule 93).

- cleanup_service: collect_gated_previews + purge_gated_previews
- tasks.admin: purge_gated_previews_task (async re-walk bridge, timeboxed)
- api.admin: POST /maintenance/purge-gated-previews
- GatedPurgeCard.vue in Settings > Maintenance (preview -> confirm -> apply)
- tests: collect predicate, hash-match delete/spare/unverifiable, ledger
  clear, bare-post removal, no-op

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-16 15:20:35 -04:00
bvandeusenandClaude Opus 4.8 41652db20f feat(maintenance): retroactive video-dedup action — preview + apply (#871)
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Phase 2 of #871: clean up the duplicate videos already in the library (the #859
"same video from multiple sources" clutter). Import-time dedup (Phase 1) only
prevents NEW dups; this is the operator-triggered cleanup of existing ones.

cleanup_service.dedup_videos(dry_run):
- backfill_video_durations: re-probe NULL-duration videos (pre-#871 rows) so the
  existing library participates; idempotent (only NULL rows), writes a negative
  sentinel for un-probeable files so they're neither re-probed forever nor matched.
- find_video_dup_groups: cluster same-artist videos by duration (±tol) + aspect,
  anchored per cluster to bound the span (no chain drift); keeper = highest pixel
  area then bytes. Reuses the importer's _VIDEO_DUP_* tolerances.
- apply: re-point each loser's post links to the keeper (so no post loses the
  video) THEN delete the redundant records + files via delete_images (cascade).
  dry_run shares the same discovery predicate and returns the projection only
  (rule 93). Tags on a loser are NOT merged (noted; videos rarely hand-curated).

- dedup_videos_task (maintenance queue; summary → task_run.metadata).
- POST /maintenance/dedup-videos {dry_run} + GET /maintenance/task-result/<id> so
  the card shows the dry-run projection before the destructive apply.
- VideoDedupCard: Preview → shows groups/redundant/reclaimable, then Apply behind
  a confirm dialog. Mounted in the Maintenance panel.

Tests: dedup collapses + re-links the loser's post to the keeper + removes the
file; dry-run deletes nothing; distinct durations aren't grouped; task registered.
(Migration 0052 for duration_seconds already shipped with Phase 1.)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-16 08:31:50 -04:00
bvandeusenandClaude Opus 4.8 949c9abcc6 fix(external): path-safe unlink + per-link staging + orphan repair (#859)
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External downloads import IN PLACE, so the post-attach dedup-skip unlink could
delete a file that IS an ImageRecord's backing file — orphaning the record and
404-ing on playback. Two sources of that:

- Two links on the same post (same film from mega + gdrive) emitted the same
  filename into one external/<post_id>/ dir; the second overwrote the first.
  Stage per-LINK now (external/<post_id>/<link_id>/) so each file keeps its path.
- The duplicate_hash/duplicate_phash branch unlinked `f` unconditionally. Make it
  path-safe: only unlink when `f` is NOT the existing record's canonical file.

Plus an operator-triggered orphan-repair maintenance task
(prune_missing_file_records_task) to clean up records already orphaned by the
bug: scans ImageRecords, deletes those whose file is gone (cascade), with an
NFS-stall guard that aborts without deleting if a large sample is mostly missing.
Wired through POST /api/admin/maintenance/prune-missing-files and a
MissingFileRepairCard in the Maintenance panel.

Tests: refetch-same-link keeps the canonical file; orphan repair deletes only
real orphans and aborts on the mostly-missing guard.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-15 01:48:38 -04:00
bvandeusenandClaude Opus 4.8 3610ba495f feat(ml): drop image_record.tagger_predictions — image_prediction is sole store (#768 step 3)
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Read cutover verified in prod (suggestions + allowlist read image_prediction;
backfill complete at 908k rows / 51k images). Removes the old JSON column and
everything that fed it:

- ImageRecord.tagger_predictions column removed; migration 0046 DROPs it.
  tagger_model_version kept as the "tagged / current?" signal the backfill
  sweep reads (needs-tagging check switched to tagger_model_version IS NULL).
- tag_and_embed no longer dual-writes the JSON — image_prediction is the only
  write path.
- importer re-import reset drops the JSON line (image_prediction rows are
  already deleted on re-import).
- Retired the one-time #768 backfill task + the #764 prune task, their admin
  endpoints, and their Maintenance cards (Backfill/PrunePredictionsCard).
- Tests seed/assert via image_prediction; stale column refs removed.

Disk reclaim is NOT automatic: DROP COLUMN is a catalog change. Run
`VACUUM FULL image_record` off-hours afterward to return the ~100 GB to the OS
so DB backups go small (#739). image_prediction (~90 MB) stays in pg_dump — it's
the source of truth now.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-11 18:52:33 -04:00
bvandeusenandClaude Opus 4.8 65211a3f2f fix(migration): make 0045 DDL-only; backfill image_prediction via batched task (#768)
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The inline INSERT…SELECT backfill in migration 0045 wrapped the table
creation and a ~100 GB pass over image_record.tagger_predictions in one
transaction: nothing committed until the end, it was unmonitorable, and an
earlier MATERIALIZED-CTE form spilled the full 100 GB to temp on NFS. A
deploy got stuck on it for ~2h with image_prediction never appearing.

Split the concerns:
- 0045 now creates ONLY the table + indexes (instant DDL → web boots).
- New backend.app.tasks.admin.backfill_image_predictions_task copies the
  >= store-floor predictions from the JSON into image_prediction, batched by
  id window and committed per chunk: live progress, resumable (re-enqueues
  from the last committed id), idempotent (ON CONFLICT DO NOTHING). json_each
  stays in the DB executor streaming each window — no Python-side 100 GB load,
  no materialization.
- POST /api/admin/maintenance/backfill-predictions + a Maintenance-tab card
  to trigger the one-time run after upgrading.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-11 09:18:25 -04:00
bvandeusenandClaude Opus 4.8 d55e52ae9b feat(admin): prune_low_confidence_predictions backfill task + UI (#764)
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The one-time backfill that actually shrinks the DB: drops stored
tagger_predictions entries below ml_settings.tagger_store_floor from every
image_record row, and clamps any allowlist min_confidence below the floor up
to it. Keep predicate (confidence >= floor) mirrors Tagger.infer's store gate
so backfilled rows match new imports. Keyset by id ASC, idempotent,
self-resumes on the soft time limit; runs on the maintenance_long lane.

pg_dump copies live data only, so this alone fixes the #739 backup timeout —
the reclaim (VACUUM FULL / pg_repack on image_record) is a separate, optional
disk-return step, brief because post-prune the live data is tiny.

- admin.prune_low_confidence_predictions_task + POST /api/admin/maintenance/prune-predictions
- PrunePredictionsCard in the Maintenance panel (shows the current floor)
- tests: registration + prune-keeps->=floor/drops-<floor + allowlist clamp

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-10 13:57:39 -04:00
bvandeusenandClaude Opus 4.8 a00a2786e3 fix(tags): normalize task fails fast on lock + logs progress
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normalize_tags_task ran to the 40-min hard limit with zero logs (operator-
flagged 2026-06-07). Cause: a per-group merge repoints series_page (via
_repoint_series_pages); during the wedged 0040 migration that held ACCESS
EXCLUSIVE on series_page, the merge's UPDATE blocked on that lock. The time-box
check is at the top of the group loop, so a statement blocked mid-group never
yields back to it — the task sat until the Celery hard kill. No logs because the
only log fired per *finished* group.

- Set lock_timeout=30s on the normalize session (opt-in server_settings on the
  async factory). A blocked merge now raises, the per-group handler rolls back +
  counts an error, and the loop continues — one stuck group can't strand the
  chunk, and the budget checkpoint stays effective.
- Log group count at start + a heartbeat every 25 groups, so a long/slow run is
  diagnosable instead of silent.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 21:02:39 -04:00
bvandeusenandClaude Opus 4.8 c0fd80e694 feat(series): assisted-continuation matcher + suggestion queue — backend (FC-6.3)
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Confirm-only "this post may continue this series" matcher.

- series_suggestion table (post_id, series_tag_id, score, signals jsonb, status
  pending|added|dismissed, UNIQUE(post,series)); migration 0041 + two settings
  knobs (series_suggest_enabled, series_suggest_threshold).
- series_match_service: weighted additive score (title-stem / same-artist /
  page-continuity / shared-distinctive-tags), no single signal gating. The title
  "pattern" is derived on the fly from the post titles already in a series, so it
  sharpens as more are confirmed (no persisted state to drift). Candidates are
  bounded to the post's artist. match_post upserts pending suggestions (UNIQUE +
  on-conflict, respecting prior added/dismissed decisions).
- accept reuses add_post_as_chapter then marks 'added'; dismiss marks 'dismissed'.
- rescan_series_suggestions_task: settings-gated, time-boxed + self-resuming from
  a post-id cursor (maintenance_long lane), like normalize_tags_task.
- API: GET /series/suggestions, POST .../<id>/accept|dismiss, POST .../rescan.
- Settings: enabled + threshold exposed via /settings/import.
- Tests: pure scoring helpers + matcher/accept/dismiss/rescan lifecycle + UNIQUE
  dedup.

Frontend (Suggestions tab + settings card) lands next.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 18:58:18 -04:00
bvandeusenandClaude Opus 4.8 a73d9327d8 fix(maintenance): time-box + self-resume the archive re-extract task
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reextract_archive_attachments loaded ALL PostAttachments and ran in one pass up
to a 30-min soft limit, then died without re-enqueueing — a large archive
backlog would only ever partially process. And a naive re-run can't advance: an
already-extracted archive is still an archive on disk, so it'd re-extract the
same first batch forever.

Give it a real cursor + time-box + self-resume (mirrors normalize_tags_task,
operator-asked 2026-06-07: reasonable timeout, then re-queue so other work keeps
flowing):
- service scans attachments with id > after_id in ascending order, time-boxes
  the chunk, and reports partial=True + resume_after_id (last scanned id).
- task passes a 600s budget and re-enqueues itself from the cursor until the
  scan is exhausted. Routes on the maintenance_long lane.
- This is independent of the maintenance_long lane isolation (already shipped) —
  that stops long tasks starving the quick maintenance queue; this stops the
  re-extract itself dying on a big backlog.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 12:03:13 -04:00
bvandeusenandClaude Opus 4.8 f4f49d407e fix(tags): move _NORMALIZE_CHUNK_SECONDS above the decorator (syntax error)
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The constant + comment landed BETWEEN @celery.task(...) and the function def,
which is a syntax error that broke the whole tasks.admin import (cascaded to
lint E999 + every backend/integration test). Move it above the decorator.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-07 00:10:03 -04:00
bvandeusenandClaude Opus 4.8 d9d502a60d fix(tags): time-box + self-resume the tag standardization (stop the 40-min timeout)
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normalize_tags_task timed out at the 40-min hard limit on a large back-catalog
(the first run recases the whole booru vocabulary) — operator-flagged, and it
monopolized the concurrency-1 maintenance queue while doing so.

normalize_existing_tags now takes time_budget_seconds: the live run stops
cleanly at the budget and reports {partial, remaining}. The task runs 600s
chunks and re-enqueues itself until nothing remains (idempotent — commits per
group, so the next chunk skips already-canonical groups). Short chunks let the
recovery sweep and other maintenance tasks interleave instead of being blocked
for 40 minutes.

Frontend: the Standardize button is now fire-and-forget ("Queued — runs in the
background; re-run Preview to confirm") instead of poll-until-done, which would
have falsely reported "complete" after the first chunk.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-06 23:57:06 -04:00
bvandeusenandClaude Opus 4.8 3c89223dcb feat(tags): retro-normalize existing tags to Title Case + merge case-collisions (plan #714)
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Follow-up to #701: new tags are saved canonical, but the back-catalog keeps
whatever casing it was created with. This adds a maintenance action that
Title-Cases every existing tag (collapsing whitespace) and merges
case/whitespace-variant duplicates into one.

Backend:
- tag_service.normalize_existing_tags(session, *, dry_run): groups all tags by
  (kind, coalesce(fandom_id,-1), canonical_name). Per group it picks a survivor
  (prefer an already-canonical member → no rename/self-alias; else the
  best-connected tag → fewest FK repoints; else lowest id), merges the variants
  INTO it via the tested TagService._do_merge (image_tag/allowlist/embedding/
  aliases/series_page repoints + protective ML aliases), then renames the
  survivor to canonical. Losers are deleted before the rename so there's no
  transient unique-index clash; commits per group and isolates failures per
  group. Idempotent — an already-canonical lone tag is a no-op.
- normalize_tags_task (maintenance queue, asyncio.run + per-task NullPool async
  engine, soft 1800/hard 2400) — recovery/timeout/duration covered by FC-3i.
- POST /api/admin/tags/normalize: dry_run=true returns a projection inline
  (group/collision/rename counts + sample); dry_run=false enqueues the task.

Frontend: a "Standardize tag casing" section in TagMaintenanceCard (Cleanup
tab) — preview → apply (polls the activity dashboard to terminal status),
behind a back-up-first warning. admin store gains normalizeTags().

Tests: tests/test_tag_normalize.py — dry-run counts, live merge + image-tag
dedup/repoint, idempotency, same-name-different-fandom and -different-kind kept
separate, ML-known loser keeps a protective alias.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-06 16:28:34 -04:00
bvandeusenandClaude Opus 4.8 a497104661 feat(maintenance): re-extract archive attachments + link to post — #713 part 2
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Existing PostAttachments that are actually archives (filed opaquely before the
magic-byte gate) need extracting retroactively. cleanup_service.
reextract_archive_attachments scans PostAttachments, magic-detects the archives,
and for each reconstructs the post's sidecar from the DB + re-runs attach_in_place
in a temp dir — so the members extract and re-link to the SAME post via
find_or_create_post (source_id + external_post_id). Idempotent (members dedupe by
sha256). Enqueues thumbnail+ML for new members.

Wired as a maintenance-queue Celery task (tasks/admin) + POST
/api/admin/maintenance/reextract-archives (202) + a "Re-extract archive
attachments" card in Settings → Maintenance.

Test: a zip stored under a mangled extension-less name extracts + links its
member to the post via ImageProvenance, and a second run is a no-op (idempotent).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-06 14:43:26 -04:00
bvandeusenandClaude Opus 4.7 94c60c0af2 fc3k: admin Celery tasks — delete_artist_cascade_task + bulk_delete_images_task on maintenance queue
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-25 00:40:03 -04:00