A freshly created subscription has no gallery-dl archive yet, so the
first poll in tick mode would walk forever — exit:20 doesn't trip
until 20 contiguous archive-hits, and there are none. The wall-clock
cap kicks in mid-walk, and the partial-success classifier (plan #544)
gracefully labels it status=ok, but the operator still wonders why
their new subscription isn't grabbing the back-catalog.
Pre-arm `backfill_runs_remaining = 3` on create() when `enabled=True`.
Same default as the manual "Deep scan" button, same auto-decrement
and auto-reset rules — once the queue drains (clean exit + zero new
files) or the budget runs out, tick mode resumes naturally.
Disabled sources (sidecar synthetics with `url='sidecar:<platform>:<slug>'`
that arrive disabled = False, or operator-added sources that start
disabled deliberately) skip the pre-arm — they're never polled, no
budget to waste.
Operator-flagged 2026-06-01 (DaferQ patreon, event #38919). Video posts
hosted on Mux carry a JWT that encodes a playback restriction policy
(`playback_restriction_id` in the token). The token signature alone is
not sufficient — Mux's CDN ALSO checks Referer/Origin on every fetch.
gallery-dl's HEAD probe to `stream.mux.com/<id>.m3u8?token=...` returns
200 (token is valid, HEAD sends no Referer that Mux's policy rejects),
but when yt-dlp follows up with the actual manifest GET it sends its own
default Referer and Mux 403s. yt-dlp retries 4 times, gives up, the
single video fails — every other image in the same post still downloads.
Static `downloader.ytdl.raw-options.http_headers` block now pins Referer
and Origin to `https://www.patreon.com` so yt-dlp's manifest fetch
clears the policy check.
Headers-only restrictions are now handled. Mux IP-range restrictions
(if a creator opts into them) remain unfixable from our worker — those
would need a Patreon-region IP. Per-video PARTIAL classifier (shipped
in plan #544 last commit) already handles the residual case: a run that
grabs all images and fails 1 video classifies as status=ok rather than
flipping the whole event red.
Routine subscription polls walked the entire post history every tick
even when nothing had changed, because gallery-dl's default `skip: True`
continues iterating archived posts. A creator with ~550 archived posts
(Knuxy patreon) saturates the 870s wall-clock cap before completing,
even with zero downloads needed. Plus, a tier-limited run that
downloaded hundreds of files but ran out the clock should be a
warning, not an error.
Two coupled changes, both operator-flagged 2026-06-01:
* **Tick mode (default, cron polls).** New `TICK_SKIP_VALUE = "exit:20"`
asks gallery-dl to exit after 20 contiguous archived items. Fresh
subscriptions + new-content cases still walk normally; established
subscription with zero new content exits in ~30s of HEAD requests
instead of pegging the timeout. 20 (not 5) gives headroom against
paywall warnings interleaving with archived items.
* **Backfill mode (explicit, operator-triggered).** Sticky for N runs
via new `Source.backfill_runs_remaining` (alembic 0031). While > 0,
downloads use `skip: True` + 1800s timeout. Auto-decrements per run
with early-reset to 0 when a clean run finds zero files (queue
drained). N defaults to 3 — multiple runs give the system enough
budget to finish a deep walk across timeout boundaries. New
`POST /api/sources/{id}/backfill` arms the source; "Deep scan"
button on each SourceRow (chip shows remaining count) wires it.
Plus partial-success classifier: non-zero gallery-dl exit + ≥1 file
downloaded + no source-level error fires `ErrorType.PARTIAL`, which
download_service maps to `status=\"ok\"`. The run did real work; the
next tick continues via gallery-dl's archive. No more red events for
"timed out mid-walk after downloading 300 files."
Retires `SourceConfig.skip_existing` — skip value is now derived from
the source state and passed as a separate `skip_value` parameter
through download() / _build_config_for_source(). `GD_DEFAULTS` drops
the now-dead key (was inert data after this refactor).
Tests cover:
* tick + backfill skip-value emission in _build_config_for_source
* PARTIAL classifier branch + TIER_LIMITED-wins-over-PARTIAL ordering
* SourceService.set_backfill_runs validation + persistence
* /api/sources/{id}/backfill 200/400/404 paths
* download_service auto-decrement / auto-reset / tick-mode-no-touch
* PARTIAL → status=ok in the orchestrator (no consecutive_failures bump)
gallery_service._provenance_clause artist branch was correlating its bare
Post reference to the outer query's primary_post_id outer-join, so the
artist filter silently matched zero rows for images with no primary post.
Alias Post inside the EXISTS subquery so SQLAlchemy adds it to the inner
FROM rather than treating it as a correlated outer table.
Five sidecar/import tests still asserted that a synthetic Source row
appears after a filesystem import. Alembic 0030 retired that behavior;
the Post sits null-source and the artist linkage lives on Post.artist_id.
Updated test_sidecar_creates_provenance, test_reimport_same_post_idempotent,
test_sidecar_artist_used_when_no_folder_artist, test_supersede_applies_new_file_sidecar,
and test_apply_sidecar_recovers_from_integrity_error to assert
post.source_id IS NULL + post.artist_id linkage instead.
Operator-asked 2026-06-01 after the Dymkens orphan investigation
(Scribe plan #540). The pre-2030 sidecar-synthetic Source pattern
(`sidecar:<platform>:<slug>` enabled=false rows) existed solely to
satisfy `Post.source_id NOT NULL`, and leaked into the Subscriptions
UI as phantom subscriptions. Now the data model says what's true:
filesystem-imported content with no live subscription has NULL
source_id, full stop.
## Schema (alembic 0030)
- `post.artist_id` — NEW NOT NULL FK to artist (CASCADE). Backfilled
from source.artist_id in the migration. Indexed for the artist-filter
queries.
- `post.source_id` — NOT NULL → nullable; FK ondelete CASCADE → SET
NULL. Deleting a Source detaches its Posts instead of destroying
archived content (subscription ends, archive stays).
- `image_provenance.source_id` — same nullable + SET NULL.
- Partial unique index `uq_post_artist_external_id_null_source` on
(artist_id, external_post_id) WHERE source_id IS NULL — guards
filesystem-import dedup since the existing source-bound unique
ignores NULLs (Postgres treats NULL != NULL).
- Sidecar synthetic Sources deleted: NULL out FKs in post,
image_provenance first, then DELETE FROM source WHERE url LIKE
'sidecar:%'. The Dymkens cleanup.
## Model + service changes
- `Post.source_id` → `Mapped[int | None]`; new `Post.artist_id`
denormalized.
- `ImageProvenance.source_id` → `Mapped[int | None]`.
- Importer: `_source_for_sidecar` (synthetic-creating) →
`_lookup_source_for_sidecar` (returns None when no subscription).
`_find_or_create_post` takes required `artist_id`; matches on
(source_id, external_post_id) for source-bound posts or
(artist_id, external_post_id) for NULL-source posts.
- Service queries switched off the Source detour to use Post.artist_id
directly: post_feed_service.scroll/around/get_post (LEFT JOIN to
Source so NULL-source posts surface); artist_service date_row/
activity/post_count; provenance_service.for_image/for_post (LEFT
JOIN); gallery_service._provenance_exists_where_artist via
Post.artist_id instead of ImageProvenance.source_id → Source.
- `_to_dict` and provenance dict-builders emit `"source": null` for
NULL-source rows.
## Frontend
- `ProvenancePanel.vue` + `PostCard.vue`: render `e.source?.platform
?? 'filesystem import'` so NULL-source posts get a clear
"filesystem import" affordance instead of a NaN crash.
## Tests
- `test_importer_upsert_helpers`: removed the four synthetic-anchor
tests; added `_find_or_create_post_idempotent_with_null_source`
(dedup via the partial unique index) and
`_lookup_source_for_sidecar_returns_*` (existing-subscription +
none cases). The existing `_find_or_create_post_idempotent` now
also passes `artist_id` and asserts it.
- 8 other test files updated: every direct `Post(...)` construction
gains `artist_id=<artist>.id`. The `_seed_post` helper in
`test_post_feed_service` looks up artist_id from the source row so
callsites stay one-arg.
## Verification on deploy
After alembic 0030 runs:
- `SELECT COUNT(*) FROM source WHERE url LIKE 'sidecar:%'` → 0.
- `SELECT COUNT(*) FROM post WHERE source_id IS NULL` → count of
filesystem-imported posts (Dymkens + any other historical).
- Every `post.artist_id` non-null; consistent with source.artist_id
for source-bound rows.
- Subscriptions tab: no Dymkens phantom row.
- Artist detail → Posts/Gallery: Dymkens's content still reachable
via Post.artist_id.
- Provenance panel renders "filesystem import" chip for NULL-source
posts; PostCard same.
## Out of scope
- UI to manage/delete orphan NULL-source Posts. Data model is right;
UI follows if operator wants it.
Four coupled operator-asked changes to the view modal (Scribe plan #509):
1. **Autofocus tag entry on modal open** — TagAutocomplete grabs focus
in onMounted/nextTick so the caret is in the input the moment the
modal renders. No click needed to start typing.
2. **General suggestions expanded by default** — SuggestionsPanel's
general-category group now mounts with `:default-open="true"`.
Operator can collapse if too noisy, but the v1 frame shows them.
3. **Lower general threshold default 0.95 → 0.50** — MLSettings.
suggestion_threshold_general default matches character. Alembic
0029 also bumps the existing singleton row's value if it's still
at the old 0.95. Operator can re-tune from Settings → ML.
4. **Retire `copyright` + `artist` as ML suggestion categories** —
neither feeds a Tag.kind (`artist` retired in FC-2d-vii-c, never
really existed as a copyright tag-kind). They were surfaced in the
suggestions pipeline + threshold settings UI but had no follow-
through. Drop from SURFACED_CATEGORIES, suggestions._threshold_for,
ml_admin GET/PATCH allowlist, MLSettings columns (alembic 0029
drops the two columns), frontend CATEGORY_ORDER + CATEGORY_LABELS,
SuggestionsPanel.peopleCats, AliasPickerDialog kind-check, and
MLThresholdSliders rows.
Out of scope (intentional): `tag_kind` Postgres enum still includes
`artist` for historic Tag row queryability (per the model comment);
no operator pain reported, no enum-shrink needed.
Tests:
- test_surfaced_categories asserts {character, general}, excludes
artist + copyright.
- test_threshold_for_artist_is_unsurfaced extended to cover copyright.
- test_get_and_patch_settings asserts new 0.50 default and the absent
artist + copyright keys in the GET payload.
Operator-asked 2026-05-31 (during sidecar synthetic anchor cleanup):
"the add source/subscription button idea to the firefox extension so
it can tell me if a source/artist is added or not and offer an option
to add it if it isn't." Plan tracked in Scribe task #507.
## Backend
- `ExtensionService.probe(url)` — read-only resolution. Reuses
`_derive` for platform+slug, then 2 SELECTs. Returns one of:
- `source_match` (exact (artist, platform, url) Source exists)
- `artist_match` (artist exists, this URL isn't a Source yet;
collapses the sidecar-synthetic-only case from v26.06.01.0)
- `new` (neither exists)
- `unknown_platform` (URL didn't match any artist-page regex)
- `GET /api/extension/probe?url=...` route with `X-Extension-Key`
auth posture matching `/quick-add-source`. Read-only, side-effect
free.
- 6 backend tests in tests/test_api_extension.py covering each state
+ auth + invalid URL.
## Extension
- `api.js`: `probeSource(url)` mirroring `quickAddSource` shape.
- `background.js`: `PROBE_SOURCE` + `OPEN_ARTIST_PAGE` handlers. The
latter strips the `/api` suffix from configured `apiUrl` (placeholder
format per options.html) and opens `${base}/artist/{slug}` in a new
tab via `browser.tabs.create`.
- `content-script.js`: probe-first render — on page-load and SPA
navigation, asks the backend for the URL's state and renders the
chip in the matching color/copy on FIRST paint instead of flashing
generic "Add" and updating after. Click handler branches:
`source_match` → OPEN_ARTIST_PAGE; `artist_match`/`new` → existing
ADD_AS_SOURCE flow (then re-probes so the chip flips green
immediately, no wait for next nav).
- `content-script.css`: three state-color modifiers
(--new, --artist-match, --source-match) on the FC parchment-on-slate
palette. Sage for already-added, amber for artist-exists, accent
orange for new.
## Versioning
- `extension/manifest.json` + `extension/package.json` → 1.0.6.
build.yml's sign-extension job will fire on push to main since no
`ext-1.0.6` Forgejo/Gitea release exists yet — exercises the
regenerated AMO keys end-to-end.
## Behavior on the sidecar-synthetic case
Filesystem-imported "Dymkens"-style artist with only a sidecar
synthetic Source: probe returns `artist_match` (not `new`), so the
chip reads "+ Add Patreon source to Dymkens" rather than offering to
recreate the artist. Clicking adds the real Source; existing
`_source_for_sidecar` preference logic (v26.06.01.0) routes future
gallery-dl Posts to the real one.
Three coupled operator-reported pains from the 2026-05-31 download
event audit:
1. `[patreon][warning] Not allowed to view post N` was bubbling up as
an error event, bumping consecutive_failures and parking the source
in "needs attention." The classifier's tier-gated branch was gated
on `return_code in (1, 4)`. Gallery-dl returns a different exit
code for mixed-failure runs (e.g. paywall warnings + a missing
yt-dlp dep flipping the exit bits), so the branch never fired and
the path fell through to UNKNOWN_ERROR. Widen the gate: when no
source-level error fired AND tier-gated warnings are present,
classify as TIER_LIMITED regardless of return code.
2. Knuxy event #38275 (2026-05-31) ran 30 min and finalized with
"stranded by recovery sweep (no terminal status after time_limit)"
+ empty stdout/stderr. Root cause: subprocess.run timeout (900s)
and Celery soft_time_limit (900s) raced; when Celery won, SIGKILL
wiped the in-memory captured output and the DownloadEvent ended up
empty-logged 18 minutes later when the sweep finalized it. Drop
gallery-dl's default subprocess timeout to 870s — a 30s margin
shy of Celery's soft limit — so subprocess.TimeoutExpired always
wins the race and captures the partial stdout/stderr via the
existing handler.
3. `[downloader.ytdl][error] Cannot import yt-dlp or youtube-dl` was
firing on every video attachment, causing per-item download
failures that masked legitimate tier-gated classification.
Add yt-dlp>=2025.1 to requirements.txt. Once it's in the image,
video posts download normally and the per-item failure noise
disappears.
Tests added:
- pure tier-gated stderr with exit code 128 → TIER_LIMITED + success
- mixed tier-gated + yt-dlp + per-item failures → still TIER_LIMITED
Two coupled bugs surfaced 2026-05-31 by the Subscriptions UI showing
"phantom" subscriptions like `sidecar:patreon:dpmaker`:
1. `SourceService.list()` returned every Source, no filter on URL.
alembic 0022 (2026-05-26) consolidated old per-post-URL Sources into
one canonical row per (artist, platform); when no real campaign URL
was salvageable it rewrote the canonical to `sidecar:<plat>:<slug>`
enabled=false as a disabled anchor. The UI then listed those
anchors as if they were polls — disabled, but visible. Fix: `list()`
excludes `url LIKE 'sidecar:%'` by default; `include_synthetic=True`
opts back in for admin tooling.
2. `importer._source_for_sidecar` picked the lowest-id Source for
(artist, platform). When alembic 0022 had rewritten a per-post row
into a synthetic anchor (lower id) AND the operator later added the
real subscription (higher id), every gallery-dl download silently
attached its Post to the SYNTHETIC instead of the real Source. Fix:
prefer a non-`sidecar:%` URL when one exists; fall back to the
synthetic; only create a new synthetic when nothing exists for
(artist, platform).
alembic 0028 is the data half: for every (artist, platform) with both
a synthetic AND a real Source, pre-merge Post+ImageProvenance
collisions on the canonical, bulk-repoint Posts/ImageProvenance/
DownloadEvent.source_id onto the real Source, and delete the
synthetic. Lone synthetics (no real twin) are left intact — they
anchor real imported content the operator may still want; the
list-filter hides them so they no longer surface as phantoms.
Today's platform-cooldown commit (61ce1ce) only filtered the scan tick
— manual /api/sources/<id>/check still bypassed it. Operator-flagged
2026-05-30: clicked "Retry failed" on a Patreon failure pile and saw
every one go 'queued' without realising the cooldown wasn't in the
loop. Bulk retry with N sources on a cooled-down platform bowls right
back into the rate limit the cooldown is trying to prevent.
**Backend (`/api/sources/<id>/check`):**
- Reads optional `?force=true` query flag.
- Without force: queries `active_platform_cooldowns` (renamed from the
private `_platforms_in_cooldown` since it's now a cross-module API).
If the source's platform is in cooldown, returns **202** with
`{status: 'deferred', platform, cooldown_until}` — no event created,
no dispatch.
- With force: cooldown skipped entirely.
- In-flight guard always applies (no point creating duplicate pendings).
**Frontend (`sourcesStore.checkNow(id, {force=false})`):** new optional
`force` flag → adds `?force=true` to the URL.
**Frontend (`DownloadsTab`):**
- `onRetrySource` (single-source RETRY click): passes `force: true` →
explicit operator override, useful for rapid auth-fix testing.
- `onRetryAll` (RETRY ALL + MaintenanceMenu "Retry failed"): no force →
cooldown respected. Tallies `deferred` alongside `queued` /
`already_running`; toast reads e.g. *"5 queued, 12 deferred
(cooldown), 3 already running"*. That count is the operator's
diagnostic answer for "is rate-limit the cause of most failures?"
(12-of-20 deferred → yes; 0 deferred → no).
**Auto-resume:** no new sweep needed. Deferred sources still have stale
`last_checked_at`, so the next scan tick after the cooldown AppSetting
expires picks them up via `select_due_sources` (which already filters
on `active_platform_cooldowns`).
Tests: two new — deferred-on-cooldown returns 202 with the right body
and no dispatch; force=true overrides the cooldown and creates the
event normally.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The showcase/gallery/artist/series/post-feed APIs were constructing
thumbnail URLs from (sha256, mime). The MIME-based extension predicate
("png if image/png or image/gif else jpg") DISAGREED with the
thumbnailer's actual on-disk extension predicate ("png if alpha else
jpg"). Result: every PNG source without transparency 404'd (URL asked
.png, disk had .jpg); every WebP/AVIF source with transparency 404'd
(URL asked .jpg, disk had .png) — despite the thumbnail file existing
on disk.
The backfill task couldn't catch these because backfill checks the
ACTUAL thumbnail_path stored on the record (correct), not the URL the
browser fetches (broken derivation). So records with valid on-disk
thumbnails kept showing as broken in the UI no matter how many times
backfill ran.
Operator-flagged 2026-05-30: "the generate thumbnails function appears
to not catch all of the failed thumbnail cases" — turned out to not be
a backfill bug at all.
Fix: thumbnail_url now takes (thumbnail_path, sha256, mime) and returns
the stored path verbatim — Quart serves /images/* 1:1 from the volume
(frontend.py:20-36), so the URL IS the disk path. Falls back to the old
sha256+mime derivation only when thumbnail_path is NULL (thumbnailer
hasn't run yet); that URL will 404 in the browser until backfill catches
it, same as before the path was tracked.
All 8 callers updated: showcase_service, gallery_service (2 sites),
artist_service, series_service, post_feed_service, tag_directory_service,
artist_directory_service. The four sites whose query was raw-tuple now
also SELECT ImageRecord.thumbnail_path.
Net effect: every record that has a valid on-disk thumbnail will now
render correctly, regardless of which extension the thumbnailer chose,
without any DB migration or backfill rerun needed.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Operator-flagged 2026-05-30: "the fail state of timeouts doesn't show
anything other than that the task timedout and was cleaned up. I can't
tell why it ran over or if it was stuck failed or there was just that
much to get."
The TimeoutExpired branch was returning a DownloadResult with no stdout,
no stderr, no files_downloaded, and a generic "Download timed out after
N seconds" message — even though subprocess.TimeoutExpired carries the
partial output gallery-dl emitted before being killed.
Now:
- Capture e.stdout / e.stderr (coerced str if bytes; "" if None).
- Count files_downloaded from partial stdout via _count_downloaded_files.
- Surface a tail-of-stderr hint in error_message so the UI summary tells
the operator at a glance whether it was "lots of content" (high count,
clean stderr), "stuck retrying" (any count, 429-spam stderr), or "hung
silent" (zero count, "no stderr output").
- Promote error_type to RATE_LIMITED when the partial stderr matches
RATE_LIMIT_PATTERNS — gallery-dl spinning on retries through the whole
900s window is the timeout-shaped tail of a real rate limit, and the
platform cooldown should kick in for the same reason.
Existing test_download_timeout strengthened to also assert empty-partial
case stays correctly TIMEOUT-classified with no preserved output.
New test_download_timeout_preserves_partial_output_and_classifies covers
the rich-partial-output → RATE_LIMITED promotion path.
DownloadEvent.metadata already flows stdout/stderr/run_stats from
DownloadResult via _phase3_persist — no UI change needed; the existing
DownloadDetailModal will surface the captured output automatically once
the build redeploys.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
select_due_sources returned rows in undefined order (Postgres-determined,
typically PK). At tick rates that outpace download-queue throughput, a
freshly-rerun source could keep getting re-queued ahead of one that's
still waiting for its first attempt this cycle. Operator-flagged
2026-05-30:
> if there are 8 hours before a source is due again and 40 full time
> downloads can happen in that period that means that there's a chance
> the first one to fire gets back into the download queue before item 41
> has a chance to get downloaded.
Added `ORDER BY last_checked_at ASC NULLS FIRST, id` to the due-source
SELECT. Never-checked sources go first, then longest-since-checked, then
ties broken by id. Combined with Celery's FIFO `download` queue, the
oldest-overdue source in each tick now reaches a worker before any
fresher one.
Test pins the ordering: a NULL-last_checked source, a 4-hour-overdue
source, and a 2-min-overdue source come back in that exact order from
select_due_sources.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The scan tick fired download_source.delay() for every due source without
grouping by platform; with multiple download workers, N due Patreon
sources could all hit Patreon's API in parallel and rate-limit each
other. Per-source consecutive_failures backoff REACTS to that (slows the
offender across cycles) but didn't PREVENT the first-tick burst.
When DownloadService._update_source_health sees a source error
classified as ErrorType.RATE_LIMITED, it now stamps an AppSetting row
`platform_cooldown:<platform>` with the cooldown expiry (now + 15 min,
PLATFORM_RATE_LIMIT_COOLDOWN_SECONDS). select_due_sources queries every
platform_cooldown:* key at the start of each tick and excludes every
source whose platform is in active cooldown. scheduler_status surfaces
active cooldowns as platform_cooldowns: {platform: expires_iso} so the
TopNav pipeline chip / activity summary can display them.
INSERT...ON CONFLICT DO UPDATE for the upsert so two workers racing
RATE_LIMITED responses on the same platform don't let one's
IntegrityError roll back the other's event-finalize transaction
(stranding the event for the recovery sweep). Atomic at the SQL level.
Tests cover: select_due_sources skips a platform in cooldown; other
platforms unaffected during single-platform cooldown; expired cooldown
rows don't filter; set_platform_cooldown is upsert-safe under repeated
calls.
Operator-flagged 2026-05-30 ("running multiple workers I don't know how
we'd keep the downloader from hitting a rate limit on a source").
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
SourceConfig.timeout defaulted to 3600s (1 hour), but download_source's
Celery task has soft_time_limit=900s and hard time_limit=1200s. So
gallery-dl never hit its own subprocess.run timeout — Celery always
killed it first. The hard SIGKILL leaves no terminal flip on the
DownloadEvent, which then sat pending/running until the recovery sweep
flipped it to error at 30 min from start. From the operator's seat that
was a ~30–40 min "hang" on every retry of a broken source.
Pinning the default to 900s (matching Celery's soft_time_limit) lets
subprocess.run raise TimeoutExpired cleanly inside Celery's window, and
the existing `except subprocess.TimeoutExpired` branch
(gallery_dl.py:635) captures it as a clean error_type='timeout' with a
real message. The DownloadEvent flips to error in ~15 min instead of
waiting on the recovery sweep at 30.
Per-source bumps still live in source.config_overrides for legitimately
long first-syncs. The new _DEFAULT_GDL_TIMEOUT_SECONDS constant carries
the rationale and the Celery-soft-limit dependency in its comment.
Operator-flagged 2026-05-30 on 59-source strand pile retries.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Provenance "View post" deep-links to /posts?post_id=X, which now opens the
feed centered on that post with infinite load in BOTH directions.
Backend: PostFeedService.scroll gains a direction (older|newer); new
around(post_id) returns a window of newer + the post + older with a cursor
for each end. /api/posts accepts ?around= and ?direction=. + API tests.
Frontend: posts store gains loadAround/loadOlder/loadNewer (older appends,
newer prepends) with per-end cursors; PostsView's anchored mode scrolls to
the post, observes top + bottom sentinels, and preserves scroll position on
upward prepend so the page doesn't jump. Normal feed mode unchanged.
Closes the remaining half of the post-navigation work.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
_find_or_create_source, _source_for_sidecar, and _find_or_create_post each
repeated the SELECT → savepoint-INSERT → on-IntegrityError rollback+re-SELECT
pattern. Extracted _get_or_create(stmt, factory): the statement is reused for
the scalar_one_or_none lookup and the scalar_one post-conflict re-fetch, so
all three are reproduced exactly. Centralizing the race-safe pattern in one
place also reduces the risk of the copies drifting (the bug class banked
2026-05-26).
Left _upsert_artist (no savepoint by design) and the ImageProvenance void
ensure-exists block (no return / no re-select) alone — they don't fit.
The rest of the ingest pipeline was already DRY: sidecar parsing lives in
utils/sidecar.py, per-platform quirks in the platforms package, and
_safe_ext/_categorize_error/_build_config are each single-instance.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The `select(ImportSettings).where(id == 1)).scalar_one()` singleton load was
repeated 15× across services, API, and 5 task modules. Added async load() +
sync load_sync() classmethods on the model and migrated all 15 full-row sites
(callers already imported ImportSettings, so no new imports; dropped download's
now-orphaned select import). Left maintenance.py's deliberate column-select
(import_scan_path only) as-is.
Rest of the service layer was already adequately DRY — the Record/to_dict
pattern is only 2 instances and the savepoint find-or-create recovery is
correctly per-entity, so neither was forced into a shared abstraction.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
D1 scheduler visibility: AppSetting last-tick stamp on every Beat tick +
GET /api/sources/schedule-status (last_tick_at/next_due_at/due_now/auto_sources)
+ SchedulerStatusBar on the Subscriptions tab (re-polled every 30s).
D2 failing-source rollup: ?failing=true on the sources list + FailingSourcesCard
on Downloads with per-source and bulk "retry" (re-runs the feed via /check).
D3 activity sparkline: GET /api/downloads/activity hourly buckets + CSS bar
chart by the stat chips (failures stacked in error color); refreshes on live poll.
D4 credential staleness: surface last_verified age + "re-verify recommended"
warning past 30d; also fixes the dead last_verified_at field-name mismatch so
the verification row renders at all.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Operator-flagged 2026-05-28, two asks.
**1. Credential Verify (was missing vs GS — and now actually verifies).**
GS's Verify was a stub (`TODO: implement actual verification` — just
stamped last_verified). FC does a real check, which matters given the
recent auth pain (subscribestar age cookie, HF host-only PHPSESSID):
- GalleryDLService.verify(url, platform, cookies_path, auth_token) runs
gallery-dl in `--simulate --range 1-1` mode (no download) against the
URL with the materialized credentials, then reuses _categorize_error:
returncode 0 / NO_NEW_CONTENT → valid; AUTH_ERROR → invalid; other →
inconclusive (reason surfaced). 45s timeout.
- POST /api/credentials/<platform>/verify picks an enabled Source for
the platform to probe, runs verify, and on success stamps
credential.last_verified (new CredentialService.mark_verified).
Returns {valid: bool|null, reason, last_verified?}. valid=null means
untestable (no credential, or no enabled source to point at).
- CredentialCard gains a Verify button (on credentialed cards) + a
result chip (Verified ✓ / Failed / Untestable) and a toast with the
reason. SettingsTab reloads on @verified so last_verified refreshes.
**2. Live download-activity feedback.** The Downloads tab was static —
no way to tell if downloads were succeeding without manually hitting
Refresh. It now auto-polls: stats every 4s, and the event list too
while anything is queued/running. Polling pauses when the tab is
backgrounded (document.hidden) and the list reload is skipped on idle
ticks to stay light. A pulsing "● live" indicator next to the stat
chips shows when auto-refresh is active (queued+running > 0); honors
prefers-reduced-motion.
Tests: verify endpoint — untestable with no credential, untestable with
no enabled source, valid+stamped on success (gallery-dl mocked), and
auth-failure reported without stamping.
Operator-confirmed 2026-05-28: the BlenderKnight:* tags are `archive`
kind (caught by the kind purge), but the `source:patreon`-style tags
are IR's old `source` kind that fell back to `general` during migration
(FC's enum has no `source` kind) — so they can't be matched by kind.
Broadened the purge to a two-rule match and renamed it for accuracy
(all dev-only, unreleased):
- cleanup_service.purge_tags_by_kind → purge_legacy_tags. Predicate is
now `kind IN (archive, post, artist) OR name LIKE 'source:%'`
(LEGACY_NAME_PREFIXES). Preview classifies each row into by_kind OR
by_prefix (source:* counts once under the prefix bucket regardless of
its general kind).
- endpoint /tags/purge-retired-kinds → /tags/purge-legacy. dry-run
returns by_kind + by_prefix + count + sample.
- store purgeRetiredKindTags → purgeLegacyTags.
- Tag Maintenance card copy + breakdown updated to show both buckets;
button reads "Preview/Delete legacy tags".
Tests updated + extended: dry-run reports by_kind {archive,post,artist}
AND by_prefix {source:*}, plain general/character tags survive; commit
deletes both the kind-matched and source:*-matched rows and leaves the
rest.
Operator-flagged 2026-05-28, two asks.
**1. Provenance posts ate the panel.** Each post card rendered its full
description (180px scroll box) inline, so a few posts pushed everything
else off-screen. ProvenancePanel now collapses the description by
default behind a per-post "Show description ▾ / Hide ▴" toggle (state
keyed by provenance_id, reset when the viewed image changes). Cards stay
compact — platform/date/title/meta/actions — and the operator expands
only the descriptions they want.
**2. Purge tags of retired/system kinds.** The IR migration left
`archive`/`post`/`artist`-kind tags (e.g. `BlenderKnight:Hannah_BJ_Loops`)
that FC no longer creates — the tag input only makes
character/fandom/series/general, and provenance + artists are their own
systems now. (meta/rating were already hard-deleted by alembic 0023.)
- cleanup_service.purge_tags_by_kind(kinds=PURGEABLE_TAG_KINDS) — counts
(dry_run) or deletes tags whose kind ∈ (archive, post, artist).
CASCADE clears the image_tag / alias / allowlist / etc. rows.
- POST /api/admin/tags/purge-retired-kinds (Tier-A, dry-run preview
returns per-kind counts + sample names — the preview IS the
verification of exactly what'll be deleted before committing).
- Tag Maintenance card gets a second section: "Preview retired-kind
tags" → per-kind breakdown + sample → "Delete N retired-kind tag(s)".
Tests: dry-run counts by kind (general survives), commit deletes only
the retired kinds (general + character survive, retired count → 0).
NOTE: a dry-run preview will show exactly which kinds/counts are
present. If the operator's noisy tags turn out to be `general` (e.g. an
IR `source:patreon` that fell back to general during migration), they
won't be caught by the kind purge — the preview makes that visible so
we can decide on a name-based pass separately.
Layer 2 — remediate a corrupt file by re-fetching a fresh copy from its
source, bounded to a single attempt. Operator-requested 2026-05-28.
New backend/app/services/refetch_service.py:
- resolve_refetch_source: parse the failed file's sidecar → platform,
derive the artist from the import path, find an ENABLED Source with a
real feed URL for (artist, platform). Returns None for filesystem-only
imports, missing sidecars, or `sidecar:<platform>:<slug>` synthetic
anchors (not pollable).
- attempt_refetch: if not already refetched AND a Source resolves,
delete the corrupt file (so gallery-dl's skip_existing re-fetches it),
set ImportTask.refetched=True, and trigger ONE download_source
re-check. Bounded by `refetched` so source-side corruption can't loop.
Wiring:
- Manual endpoint POST /api/import/tasks/<id>/refetch (only on 'failed'
tasks). Returns refetch_queued / no_source / already_refetched /
not_found / not_failed.
- Auto path in recover_interrupted_tasks: for each poison-pill row, if
env FC_AUTO_REFETCH_CORRUPT=1, attempt_refetch (default OFF — the
manual button is the primary path; auto is opt-in since re-fetch
deletes a file + re-runs the downloader).
- Frontend: a cloud-refresh icon button on failed rows in ImportTaskList
→ stores.import.refetchTask → toast keyed on the result status.
Filesystem imports with no upstream return no_source — the operator's
only remediation there is replacing the file on disk, surfaced clearly
in the toast.
Tests: 404 unknown task, 400 non-failed task, no_source when
unresolvable, and the full resolvable-source path (file deleted,
refetched flag set, one download_source dispatched, second call is a
no-op). The resolvable test repoints the migration-seeded
import_settings(id=1) scan path rather than inserting a conflicting row.
Layer 3 — prevent the hard worker crash rather than just recovering from
it. The realistic process-crash vectors (operator's observed slow/heavy
tasks) are video decode and archive extraction; images decode in-process
and Pillow raises-and-skips cleanly, and a subprocess per image would
wreck deep-scan throughput, so images are intentionally not probed.
New backend/app/utils/safe_probe.py (leaf module, lazy heavy imports so
the spawned child stays light):
- probe_video(path): validates the container + first video stream via
ffprobe (a separate binary — a decoder crash kills only ffprobe, not
the worker). Returns width/height, which the importer didn't capture
for videos before. crashed=True only on ffprobe timeout.
- probe_archive(path): an uncompressed-size bomb guard
(MAX_ARCHIVE_UNCOMPRESSED_BYTES = 4 GiB) plus the format integrity
test (zipfile.testzip / rarfile.testrar / py7zr.test) run in a
spawned child process. A decompression-bomb OOM or native-lib
segfault on a malformed archive shows up as a non-zero child exit
code → crashed=True, never a dead worker.
ProbeResult.crashed distinguishes a HARD failure (subprocess killed /
timed out — the poison-pill signature → caller returns terminal
'failed') from a CLEAN rejection (corrupt-but-handled, bomb cap,
integrity mismatch → caller's choice of skipped/attached).
Wired:
- importer._import_media video branch: probe_video before the pipeline;
crash → failed, clean reject → invalid_image skip, ok → capture dims.
- importer._import_archive: probe_archive before extract_archive; crash
→ failed, clean reject → still preserve the archive as a
PostAttachment (matches extract_archive's fail-soft contract).
- ml.tag_and_embed video branch: probe_video before sampling 10 frames,
so a corrupt video is rejected (status='bad_video') instead of
crashing the ml-worker on frame decode.
Tests (test_safe_probe.py): valid/corrupt zip via probe_archive, direct
_inspect_archive size+integrity, in-process _archive_probe_target bomb
guard (monkeypatch can't reach a spawned child, so the target is called
directly), and a non-video → ok=False that's robust to ffprobe presence
in CI.
Operator-requested 2026-05-27: centralize the per-platform quirks that
had been accumulating across credential_service, sidecar, and platforms
into a single per-platform module so adding/updating quirks becomes
"edit one file."
**Layout**
services/platforms/
base.py PlatformInfo dataclass + module-default key
chains + shared helpers (str_id_value, str_field)
__init__.py PLATFORMS dict + public API (auth_type_for,
known_platform_keys, to_dict,
external_post_id_keys_for, description_keys_for)
patreon.py metadata only — the reference platform, no quirks
subscribestar.py metadata + augment_cookies (18+ agreement) +
derive_post_url (synthetic /posts/<post_id>)
hentaifoundry.py metadata + augment_cookies (host-only PHPSESSID
duplicate) + derive_post_url (/pictures/user/...)
pixiv.py metadata + derive_post_url (/artworks/<id>)
discord.py metadata + derive_post_url
(channels/<server>/<channel>/<message>)
deviantart.py metadata only — un-audited; quirks to be added
when an operator first exercises DA
**PlatformInfo extensions**
Existing fields preserved. Four new optional fields:
external_post_id_keys: tuple[str, ...] | None
Override the sidecar external_post_id lookup chain. None falls
back to DEFAULT_EXTERNAL_POST_ID_KEYS in base.py
("post_id", "id", "index", "message_id") — covers every current
platform.
description_keys: tuple[str, ...] | None
Override the description body lookup chain. None falls back to
DEFAULT_DESCRIPTION_KEYS ("content", "description", "caption",
"message") — Discord's "message" body field is covered by the
default's trailing entry.
derive_post_url: Callable[[dict], str | None] | None
Synthesize the post permalink from sidecar metadata. None = trust
the bare `url` / `post_url` field (patreon, deviantart).
subscribestar/pixiv/hf/discord override this because their `url`
is the file CDN URL.
augment_cookies: Callable[[str], str] | None
Post-process the materialized cookies.txt before gallery-dl
consumes it. None = no-op. Used by subscribestar (age cookie) and
hentaifoundry (host-only PHPSESSID duplicate).
**Consumer changes**
- credential_service._augment_cookies(platform, netscape) shrunk from a
per-platform-conditional dispatcher (~80 lines of inlined helpers) to
a 5-line lookup: `info.augment_cookies(netscape) if info and
info.augment_cookies else netscape`. The platform-specific helper
bodies moved verbatim into the per-platform modules.
- sidecar.parse_sidecar similarly delegates: external_post_id chain via
external_post_id_keys_for(category), description chain via
description_keys_for(category), post_url via
PLATFORMS[category].derive_post_url. The _DERIVED_URL_PLATFORMS set
and inline _derive_post_url body both gone. Added a shared `_first_id`
helper for bool-safe id coercion.
**Public API preserved**
PLATFORMS, PlatformInfo, auth_type_for, known_platform_keys, to_dict
are all re-exported from the package's __init__.py. test_platforms_registry
test_credential_service, and test_sidecar_util pass without changes
because the behavior is identical; only the implementation moved.
**Adding a new platform**
1. Create services/platforms/<name>.py with `INFO = PlatformInfo(...)`
and any of the four optional hooks.
2. Import it in services/platforms/__init__.py + add to the PLATFORMS
tuple-comprehension.
3. Done. sidecar parsing, cookie materialization, /api/platforms all
pick it up automatically.
Operator-flagged 2026-05-27: HF source check 401'd on
`HEAD /?enterAgree=1` even with valid login cookies. Root cause is the
combination of (1) gallery-dl's HF extractor checking
`self.cookies.get("PHPSESSID", domain="www.hentai-foundry.com")` with
`requests`' EXACT domain matching, and (2) the extension's cookies.js
forcibly rewriting every captured cookie to a leading-dot subdomain-wide
form. HF's PHPSESSID is browser-stored as host-only on
`www.hentai-foundry.com`; the rewrite re-anchored it to
`.hentai-foundry.com`, which `cookies.get(...)` no longer matches even
though the cookie is still sent on actual HTTP requests (RFC 6265
subdomain rules). The extractor falls into its unauthenticated
`?enterAgree=1` fallback, which 401s (Cloudflare or HF's anti-bot HEAD
gating).
Two-part fix, no operator action required for existing stored cookies:
1. **Backend** (`credential_service._augment_cookies`) — refactored from
the subscribestar-only single function into a per-platform dispatcher.
New `_augment_hentaifoundry` parses the materialized netscape file
and, for each `.hentai-foundry.com` entry whose name is PHPSESSID or
YII_CSRF_TOKEN, appends a host-only duplicate
(`www.hentai-foundry.com\tFALSE\t...`). Originals preserved. Three
new tests pin: injection fires + originals preserved; idempotent
when host-only already exists; doesn't touch unrelated cookies
(e.g. `_ga`).
2. **Extension** (`cookies.js`) — `toNetscapeFormat` now respects
`c.hostOnly` from the browser instead of blindly forcing a
leading-dot subdomain-wide form. Host-only cookies are written with
the bare host + FALSE flag; non-host-only cookies retain the
leading-dot + TRUE form. Forward-compat — fresh captures from
v1.0.5+ no longer need the backend's host-only duplication.
Extension bumped 1.0.4 → 1.0.5; manifest + package.json in lockstep.
After deploy: the next HF source check on the operator's already-stored
cookies will succeed because the materialized cookies.txt now contains
host-only PHPSESSID. No browser re-export needed.
Operator-flagged 2026-05-27: subscribestar source check aborted with
`AbortExtraction: HTTP redirect to .../age_confirmation_warning`. The
captured `_personalization_id` cookie in the browser-stored file had
expired (annual rotation), and the user could not realistically refresh
it: SubscribeStar's frontend JS uses localStorage to suppress the
age-confirmation popup once dismissed, so a logged-in revisit doesn't
re-show the popup and the server-side cookie is never re-issued.
gallery-dl's own login flow (which FC doesn't exercise — cookies come
from the extension instead) sidesteps this by manually setting
`18_plus_agreement_generic=true` on `.subscribestar.adult`. The server
accepts that as the age-confirmation marker.
`credential_service._augment_cookies(platform, netscape)` mirrors that
behavior: when the materialized cookies file is for subscribestar and
the age cookie isn't already present, append a synthetic line for
`.subscribestar.adult` with name=`18_plus_agreement_generic` value=`true`
and a far-future expiry. No-op for other platforms; no-op if the cookie
is already present (idempotent for manual pastes / extension captures
that happen to include it).
Three new tests pin: (a) injection fires for subscribestar, preserves
existing cookies; (b) idempotent when already present (no double
injection); (c) does NOT fire for non-subscribestar platforms (Patreon
etc. don't get a foreign-domain cookie).
Not a curator handling bug per se — the extension faithfully captured
what the browser had. This is mirroring a documented gallery-dl
workaround so the cookies-via-extension auth path doesn't degrade as the
server-side cookie expires.
Operator-flagged 2026-05-26: Atole artist detail page showed 406 Sources where 1 was right.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
_apply_sidecar is additive: it find-or-creates Post/Source/ImageProvenance
and sets primary_post_id NULL-only, so any IR-migration provenance on the
existing row survives untouched and the new GS sidecar adds a second
ImageProvenance pointing at the freshly-created Post.
Wrapped in try/except so a malformed sidecar can't unwind the file-swap
commit — the file replacement is the critical operation.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Operator hit this 2026-05-25 after the IR tag_apply landed: ~57k images
all scanned into FC in the same week share image_record.created_at, so
the gallery timeline collapses them into a single month bucket and
scroll orders them all together at the top. Their actual publish dates
(spread over years) were already available in Post.post_date but the
gallery never read it.
Backend wire-up:
- tag_apply phase 4 now sets ImageRecord.primary_post_id when creating
ImageProvenance (only if currently NULL — preserves the canonical
download-time linkage set by the importer for new FC ingests).
- gallery_service.py introduces _effective_date_col() =
COALESCE(post.post_date, image_record.created_at), used in:
* scroll() ORDER BY + cursor WHERE clauses
* timeline() year/month group-by
* jump_cursor() year/month filter
* _neighbors() prev/next ordering
- Each method LEFT OUTER JOIN Post on primary_post_id so the COALESCE
works for images without a post (NULL on the Post side, fall back
to created_at).
- GalleryImage gains posted_at + effective_date fields; API /gallery
/scroll exposes both alongside the existing created_at so the UI
can render 'Posted on X (imported Y)' if desired.
- get_image_with_tags() returns posted_at for the modal.
Cursor format unchanged — the encoded datetime is now the effective_
date (whichever column won the COALESCE) and pagination remains
consistent.
To pick up new behavior for an already-migrated IR set: re-run
/api/migrate/tag_apply on the existing manifest (phase 4 is
idempotent; the new primary_post_id assignment backfills).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
bvandeusen