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bvandeusenandClaude Opus 5 895589a578 fix: first boot raced itself for the credential key (4295)
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Run 7368's smoke, on an image whose five verification lanes were all green:

    WARNING Generating NEW Fernet credential key at
            /images/secrets/credential_key.b64
    ...
    ValueError: Fernet key must be 32 url-safe base64-encoded bytes.

Nothing to do with this batch's changes — it is a first-boot race that has
been there since the key file existed, and it is a RACE rather than a
certainty: the same code booted cleanly on the three runs before it.

hypercorn starts several worker processes and each one builds the app, so on a
first boot they all reach the bootstrap together. `write_bytes` creates the
file at size zero and fills it a moment later, which gives the second process
an `exists()` of True and a `read_bytes()` of `b""`.

A first boot that fails one time in five is worse than one that fails every
time, because it looks like the deployment rather than the code — and this is
the very first thing a new install does.

The key is now written to a temp file and `os.link`ed into place. `os.link` is
the atomic part: it either creates the name or raises FileExistsError, and it
cannot expose a half-written file. Deliberately NOT `os.replace`, which would
succeed — two processes that both generated a key would each think they had
won, and the loser's key would overwrite the one the winner had already handed
to Fernet. The losing branch reads the winner's key back rather than returning
its own, which is what keeps every worker on ONE key.

Tested for AGREEMENT, not for the absence of a crash: eight threads through a
barrier, and all eight must end up holding the same key. A race that left each
worker with its own would pass a "did it raise" check and produce a system
where a credential written by one worker cannot be read by the next.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 13:04:26 -04:00
bvandeusenandClaude Opus 5 61641fbba7 fix: a test still described the control the cap replaced (4295)
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Run 7367, integration lane:

    FAILED test_a_cap_is_stored_even_when_it_cannot_be_pushed
    assert True is False

The code was right. Raising a cap is PERMISSION, not a request — it
deliberately does not grow the pool, because that would put workers on a lane
with nothing to do, and the sizing pass spends the permission on its next tick
if there is work. So nothing is pushed and `applied` is vacuously true.

The test was carried over from when the number meant "run this many", where
every write pushed. It asserted the old control's behaviour against the new
one — lesson #4338's shape again: an assertion encoding the thing that
changed, failing on the change rather than on a defect.

Split into the two cases that actually exist now:

- raising a cap stores it and pushes nothing, reporting applied;
- turning a lane OFF does push, because consumers follow the cap immediately
  in both directions — off must take effect when it is asked for — so with
  nothing answering it reports `applied: false` with a reason, and the value
  is still stored for the sizing pass to carry.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 12:57:33 -04:00
bvandeusenandClaude Opus 5 364e050632 fix: a spliced-out test left its tail behind (4295)
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Run 7366, in both the lint and unit lanes — one bug wearing two hats:

    NameError: name 'slots' is not defined
    tests/test_worker_lanes.py:278

Rewriting `test_worker_lane_check_constraints` — parametrised over (slots,
cap, ok) — I cut the parametrize decorator and the assertion but left the two
lines after it, which still referenced all three names. `ast.parse` is happy
with that; only running it is not.

Both failures were the same fragment, which is the tell: the lint lane's F821
and the unit lane's NameError are the same fact reported twice.

Checked the rest of today's splices for the same seam rather than fixing only
the one CI named — a module-level undefined-name sweep over all four test
files I rewrote today comes back clean.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 12:53:27 -04:00
bvandeusenandClaude Opus 5 830394ed5e fix: the migration's DROP CONSTRAINT names doubled their own prefix (4295)
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Run 7365, integration lane:

    (psycopg.errors.UndefinedObject) constraint
    "ck_worker_lane_ck_worker_lane_slots_within_cap" of relation
    "worker_lane" does not exist

That is #3275 exactly, from the other direction. alembic 0088 had to RENAME
four constraints CREATED with a doubled prefix; this one tried to DROP two
with the same doubling. `op.drop_constraint` runs its name through
Base.metadata's naming convention, which prepends `ck_worker_lane_` to a
string that already carries it — `op.f()` is what marks a name as final, and
0103 used it on the way in.

The model test also went red, correctly: `test_worker_lane_check_constraints`
was parametrised over (slots, cap) pairs and asserted all three constraints,
and two of them went with the `slots` column. It is one unparametrised test
now, asserting the whole remaining set rather than a membership — a constraint
left behind naming a dropped column is not a harmless leftover, it is a table
the migration cannot have produced.

Worth recording: **the gate worked.** Run 7365 skipped `sign-extension`,
`build-web`, `smoke-web`, `promote` and `build-agent`, and `:dev` still names
the previous digest. That is the red-direction verification #4339 owed, and it
arrived by accident rather than by a forced failure — which is the better
evidence.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 12:51:27 -04:00
bvandeusenandClaude Opus 5 445164c852 feat: one number per lane — the cap — and the autoscaler is the mechanism (4295)
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Operator, 2026-09-23: *"auto should be always on, not a setting, so that idle
instances quiet down when not running. the number that is visible and
something the user can tweak and manage should be the cap itself the number of
running workers is handled by the autoscaling function which is always on."*

They are right, and the reason it was not built this way is worth stating: the
manual dial came first (steps 2-4) and the autoscaler came last (step 7), as
an opt-in BESIDE a control that already existed. Nothing ever asked whether
the dial should still exist once something could move it automatically. Each
step was defensible; the result was three operator settings over one number.

## `slots`, `enabled` and `autoscale` are gone

`slots` was a MEASUREMENT wearing a preference's clothes. How many workers a
lane runs is read live and moved every minute; storing it meant the operator
had to keep two numbers in agreement and the autoscaler had to be told it was
allowed to touch one of them.

`autoscale` gated the mechanism behind a choice, so a lane nobody opted in
never gave its workers back — which is why an idle instance never quieted
down.

`enabled` is derived: a cap of zero means no consumers. "Off" and "may use no
workers" were two spellings of one fact, stored separately, free to disagree.

## Two sweeps become one

`reconcile_lanes_sync` drove the pool to the stored `slots`; `autoscale_lanes_
sync` moved it away from that same number; and most of step 7's hardest
reasoning — a stored value that is a FLOOR, a target of `max(stored, current)`
— existed only to stop them fighting. Delete the stored number and the problem
is not solved, it is absent.

`size_lanes_sync` runs every minute and owns both consumers and pool size. It
also subsumes what the reconcile was for: a worker restarted at its ENV
concurrency is corrected on the next tick rather than after five.

Growth is immediate, shrink is one worker per tick. Deliberately asymmetric —
"always on" is only pleasant if the ramp keeps up, and +1/minute would take
four minutes to answer a burst. Being one worker too large for a minute costs
a sleeping process; being too small costs work not happening. For ML the
asymmetry matters most: every new slot reloads a multi-GB model, so the slow
shrink is what stops a quiet patch from paying that cost again a minute later.

## The caps ship at one, and zero for ML

Per the operator. Conservative on purpose — and a conservative default nobody
knows how to raise is just a slow product, which is the other half of what
they asked for:

    "there needs to be something that tells the user to bump those numbers to
     improve processing rate or they'd never know the controls exist."

So a lane running everything its cap allows while work piles up says so, in
its own row, with the headroom named: *"4,060 waiting and all 1 worker busy.
Raise the cap to run more at once — this machine allows up to 7."*

It fires only when raising the cap would actually help. Not when the lane is
keeping up, not when the sizing pass has room it has not taken, and not at the
machine ceiling — where "raise the cap" is advice nobody can take.

## Migration 0105 rewrites the caps rather than carrying them

The old defaults (4/2/2/1) bounded a manual control and were loose because
moving within them was the ordinary act. The number now means "the most
workers this lane may use", which is a different promise; carrying the old
figure over would quadruple the worker lane on every existing install at the
moment this deploys.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 12:48:22 -04:00
bvandeusenandClaude Opus 5 abe16aa382 feat: the System tab is one bounded table, and the dial is the switch (4295)
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Operator, 2026-09-23, on the screenshot: *"I feel that we can probably combine
the two sections into a single table and to format it in such a way that it
appears more bounded and less free-form or open. also there's nothing to
describe what 'auto' means or why their needs to be or should be on/off
toggles. almost all of it always needs to run there's only one optional piece
and it is killed by moving the 'cap' to zero."*

Three separate things, all correct.

## The four lanes were listed twice

The roster (milestone 365) said "ML tagging is running", and four hundred
pixels below it the lanes pane said "ML tagging · 1/1 busy". Two answers to
one question from two endpoints, free to disagree on screen. I moved the
second pane onto this tab yesterday and did not notice it duplicated the
first.

Now one row per part, with controls on the rows that have a lane and none on
the rows that do not. The join is on the QUEUE SET, because that is what
`service_roster` keys a celery part on — as a set, not as a string, so neither
side has to agree about order.

It lives in `utils/systemParts.js` rather than inline, and has a spec, because
its failure is SILENT and is the exact thing it exists to prevent: a lane that
stops matching its part does not throw, it grows a second row for the same
worker. The duplication, returning through the code that removed it.

## Bounded, not free-form

A real table — header, column rules, one bordered card — instead of dotted
rows floating on the page background with nothing saying where the list began
or what a column meant.

## The dial is the switch

There was an `On` switch per lane beside the slots dial. Of four lanes, three
must run for the application to work at all, so that switch offered a choice
that was never real — and for the one lane that IS optional, "off" and "zero
slots" were two ways of saying the same thing that could disagree with each
other.

So `enabled` is now DERIVED from the number: `set_lane` sets it from
`slots > 0` when the caller did not say. It stays on the API and in the model
— it is still the mechanism, and a drain-before-restart may still want a lane
holding its process with consumers cancelled without destroying the operator's
slot count to say so.

Two things fell out that a test now pins:

- The consumer command is sent on the CHANGE, not on the field being present.
  Otherwise every slots write re-sends a command that changes nothing —
  lesson #4183's churn, arriving through the new derivation.
- The model fetch fires on the off→on TRANSITION. It used to test `enabled is
  True`, the field having been sent. The UI no longer sends it, so the
  download that makes the ML lane usable would simply never have fired and the
  lane would have come on to consume a queue it had no model for.

## And Auto now says what it is

A legend under the table, in the operator's terms: what a slot is, that zero
turns a lane off, that three of the four are not optional, what `of N` means,
and that Auto lets a lane add slots by itself when its queue is backed up AND
every slot is busy — with why it is off by default, since it is the only thing
on the page that acts without being asked.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 11:26:27 -04:00
bvandeusenandClaude Opus 5 274f7ffe21 ci: the tests gate the publish — ci.yml folds into build.yml
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Operator, 2026-09-23: *"tighten the gate so :dev can't publish on red tests"*,
then *"I don't want failing builds to publish anywhere going forward."*

Run 7348 is the worked example. The backend unit lane went red on `2f8f0bc`
and `build-web` pushed `:dev` in the same minute, because the lanes and the
build were SEPARATE WORKFLOWS on the same push trigger. Neither could see the
other's verdict. `:dev` was a "it built" signal, never a "it passed" one, and
nothing about that was visible from either run.

Two workflows cannot express the gate. A `needs:` edge only exists inside one
graph. So `ci.yml`'s five lanes move into `build.yml` and `ci.yml` is deleted;
`sign-extension`, `build-web` and `build-agent` now need all five.

Nothing here is a new mechanism — it is the same edge that has gated `promote`
since milestone 362 step 4, and it keeps that step's hardest-won property:
**not running is not the same as passing.** `needs` treats a SKIPPED
dependency as unsatisfied, so a lane that silently skips itself blocks the
publish exactly as a failing one does. Run 5290 is why that is worth stating.

Scope, said plainly rather than implied:

- Gated: every image tag (`:dev`, `:latest`, `:c-<sha>`), the weekly base
  refresh, and the `ext-<version>` signed-XPI release asset — `sign-extension`
  publishes too, so it is gated with the rest.
- Not gated, deliberately: `extension.yml` publishes nothing, and
  `release.yml` runs on a `v*` tag, generates notes rather than an artifact,
  and its commit already went through main's gated build.
- `pull_request` (Renovate bumps into `dev`) comes across with the lanes. Its
  runs are the lanes and nothing else, via an `if:` on each publishing job
  rather than an inference from the `needs` chain.

The cost, accepted knowingly: this workflow queues per branch and never
cancels, so on two pushes in quick succession the second's lint feedback waits
out the first's build. A slower red beats a fast red that ships.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 11:15:42 -04:00
bvandeusenandClaude Opus 5 468ff71353 fix: two lane fixtures described a container that cannot exist (4295)
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`pools={"host-a": 0}` — a celery replica running an empty pool. billiard will
not run one, and `gen_supervisord` starts every lane at one process for
exactly that reason, so no container has ever looked like this.

It passed for as long as the code agreed with it. The floor landed, the
reconcile's target for a zero-slot lane became one, and the fixture's
impossible zero read as a real difference: `changed: ['ml']` on a settled
lane, and run 7346 red on the commit that fixed the live bug.

Both now say one, which is what ml actually runs. The two tests the fix added
that asserted the same properties from the other side are gone with them —
one assertion per fact, in the test that already named it.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 11:03:13 -04:00
bvandeusenandClaude Opus 5 86d6509936 fix: a lane at zero slots tried to empty a pool billiard will not empty (4295)
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Found on the operator's live deploy, not in CI:

    [scheduler] worker_control: ml reconciled 1 -> 0 slots
    [ml] pidbox command error:
         ValueError("Can't shrink pool. All processes busy!")

ML ships at 0 stored slots and disabled, and `gen_supervisord` starts every
lane at one process so `add_consumer` has something to reach. So the stored
value and the running pool disagreed by one, permanently: billiard will not
remove the last worker, and `set_lane_slots_sync` returns True on SENDING the
control message — the refusal happens later, on the worker. The reconcile
logged a successful correction and reported `changed: ['ml']` every tick,
forever, on the default configuration of every install.

Lesson #4183 in production: an enforcer whose target is unreachable re-does
its own work on every pass and says it worked.

The floor is now one PROCESS, in one place — `effective_slots()` — applied
wherever a target is COMPARED as well as wherever one is sent. Comparing
against the unclamped 0 sees a difference no control message can ever close,
which is the same non-convergence one layer up.

Zero slots still means zero WORK: the lane's consumers are cancelled, and the
idle process is what the enable switch lands on.

A cross-file guard ties the generator's starting concurrency to the same
function, so the two ends of the floor cannot drift apart again.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 10:58:58 -04:00
bvandeusenandClaude Opus 5 a987ca41ca perf: the lane read is one broadcast and three targeted, not four broadcasts (4295)
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Found while fixing the roster's budget (f23ab9f) and reported to the operator
rather than changed mid-deploy; they asked for it.

`inspect_lanes_sync` made FOUR broadcast inspect calls — active_queues,
stats, active, reserved — at 2.0s each. A broadcast with no `destination`
cannot know how many replies to expect, so each waits out its whole timeout
rather than returning on the last one. About eight seconds, and `lane_view`
sits on Settings -> Activity -> Worker lanes, so that was the load time of
that card every time it was opened. The composite healthcheck paid it too,
against a 15s timeout.

Now the first read discovers the nodes and the other three name them, so
celery stops as soon as those nodes have answered — milliseconds, for workers
in this same container. The worst case is unchanged: a node that vanishes
between the broadcast and the targeted reads still costs a full timeout
waiting for a reply that is not coming, which is why the bound stays four.

Nothing answering now costs ONE round trip instead of four. The three later
reads exist only to describe what answered, so with an empty roster they
described nothing at three full timeouts. That is the broker-down case —
exactly when the healthcheck and the card need an answer rather than a wait.

`lane_view` also gets a deadline. It awaited `to_thread` with no bound at
all, which is rule 156's shape even though every inner call has its own
timeout; on expiry it now reports every lane as not answering, because a page
that renders "not answering" is a better answer than one that does not
render.

The budget is derived the same way the roster's now is — round trips times
the timeout, plus slack — and a test asserts the relation rather than the
number, plus one that reads the source so a fifth call cannot quietly put the
deadline back under the work.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 10:37:20 -04:00
bvandeusenandClaude Opus 5 f23ab9f50e fix: the roster's inspect budget was exactly the work it waited for (4295)
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From the operator's first consolidated deploy, 2026-09-23. The app is serving
— showcase, thumbnails, a Patreon ingest tick, all five lanes in one
container — and this repeats in the log:

    WARNING service roster: celery inspect failed; roster not refreshed
    File "service_roster.py", line 138, in refresh_celery_roster
        grouped = await asyncio.wait_for(...)
    TimeoutError

The inspect calls were working. The budget was wrong.

`_inspect_celery_sync` makes TWO broadcasts — `active_queues()` and
`active()` — and a broadcast with no `destination` cannot know how many
replies to expect, so each waits out its full timeout rather than returning
on the last reply. The sync call costs ~2 x INSPECT_TIMEOUT_SECONDS.

The wrapper allowed `INSPECT_TIMEOUT_SECONDS * 2`. That reads like a safety
factor and is precisely the worst case with nothing left over — and this runs
on a web process that was serving ninety thumbnails a second at the time, so
the thread handing off through `asyncio.to_thread` need not even be scheduled
inside the budget. A budget equal to the work fails under any load at all.

Now derived: `INSPECT_TIMEOUT_SECONDS * INSPECT_ROUND_TRIPS + slack`, with
the round-trip count named beside the calls it counts. Both tests assert the
RELATION rather than the numbers, and one reads the source to check the count
still matches the calls actually made — a third inspect call added later is
exactly how this comes back silently.

Consequence while it was broken: the roster stopped advancing and the System
tab's rows went stale, with a traceback per attempt. Never an outage —
`refresh_celery_roster` catches and returns, `/api/system/health` kept
answering 200 throughout, which the same log shows.

## Observed, not fixed here

`worker_control.inspect_lanes_sync` makes FOUR of these broadcasts
(active_queues, stats, active, reserved) at 2.0s each — roughly 8s — and
`lane_view` awaits it with no deadline at all. That is the Settings ->
Activity -> Worker lanes card, so that card likely takes ~8s to load, and the
composite healthcheck carries the same cost against its 15s timeout. Reported
to the operator rather than changed: they are mid-deploy, and the fix is to
cut round trips rather than raise a number.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 10:32:09 -04:00
bvandeusenandClaude Opus 5 22dcbcfb74 fix: the lane/program guard compared every section, not just programs (4295)
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`test_every_lane_gets_a_program` asserted
`set(cp.sections()) - {"supervisord"} == expected`, so it failed the moment
the generated config grew non-program sections. b09ee87 added three — the
control socket that lets `supervisorctl` reach supervisord — and the
property the test exists for had not moved at all: every lane still has a
program and no program is not a lane.

Now compared over `program:` sections only, both directions. A guard that
fires on a correct change is one people learn to edit rather than read, which
costs more than it catches.

I reported b09ee87 as green off runs 7328 and 7330 and did not look at 7329,
which was red on this. The image itself smoked clean — that part was true —
but "green" was a claim about the commit and I checked two of its three runs.
Earlier in this session I had been reading all three every time.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 10:06:36 -04:00
bvandeusenandClaude Opus 5 b2da3acce9 feat: wait for Postgres and Redis before starting work (4295)
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Operator, 2026-09-23: *"it's a single container that need to connect
successfully to redis and postgres before starting work shouldn't that simply
be a check (with retries) at the start of the container."*

Yes, and the consolidated layout makes it necessary rather than tidy.

Swarm has no ordering primitive — it ignores `depends_on` outright — so every
service in a stack starts at once and this container has always raced its own
database on a cold deploy. The multi-service stack hid how sharp that is: a
`web` task that failed `alembic upgrade head` against a still-initialising
Postgres simply died, and Swarm restarted it until it worked. Nobody ever saw
a problem worth naming.

Consolidation removes that safety net. Each supervisord program gets
`startretries=3`, so three quick failures put the program in FATAL and leave
it there — supervisord keeps running, the container keeps running, and the
application never starts. It would present as a permanently unhealthy
container whose image was fine and whose database merely took twenty seconds
to initialise, which is a miserable thing to debug on a first deploy.

A TCP connect, not a query: the same probe ci.yml's integration lane and the
build smoke already use. It answers the question actually being asked — is
something listening — and cannot fail for a reason that retrying will never
fix. A real query would be a stronger readiness signal and a worse gate,
since a wrong password or a missing database is not transient, and a loop
waiting for one to heal turns a five-second misconfiguration into a
two-minute timeout with a misleading message. Those belong to alembic, which
runs seconds later and says exactly what is wrong.

Targets are derived from the same env the application reads, so the wait
cannot drift from what the app will actually connect to — a gate checking a
different host than the app uses is worse than no gate.

Bounded at 120s (rule 156), reporting every few attempts so `docker logs` on
a waiting container says what it is waiting for. Skipped for `shell`, which
exists precisely for when something else is broken and you want a prompt
rather than a gate.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 09:17:58 -04:00
bvandeusenandClaude Opus 5 b09ee87255 fix: supervisorctl could not reach supervisord inside the container (4295)
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The smoke's own diagnostic line printed this for a whole run and passed,
because it was behind `|| true`:

    Error: .ini file does not include supervisorctl section

supervisord was fine. `supervisorctl` simply could not talk to it — the
generated config had no `[unix_http_server]`, `[supervisorctl]` or
`[rpcinterface:supervisor]`.

That is the first tool anyone reaches for when a lane misbehaves in the
consolidated container. `docker exec <c> supervisorctl status` to see which
processes are actually up; `restart ml` to bounce one without taking the
whole application down with it. Consolidation took `docker ps` away as the
way to see the lanes, and this is what replaces it — so shipping without it
would have left an operator with one container, five processes inside it, and
no way to ask about any of them. They are about to run this in production.

The test asserts the three sections AGREE on one socket path rather than
merely existing: a serverurl pointing where nothing listens fails in exactly
the same way and reads as configured.

The smoke's line loses its `|| true`. A diagnostic allowed to fail silently
is one that stops being true without telling anyone — which is precisely what
happened here. It still printed the evidence that something was wrong while
nothing depended on it, which is the argument for printing it at all.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 09:09:11 -04:00
bvandeusenandClaude Opus 5 efde3b188f refactor: the image carries its own healthcheck and picks it by role (4295)
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Operator, 2026-09-23: *"why isn't the healthcheck built into the image or
base on what command runs if one is passed in. why is it manually declared in
the stack here."*

No good reason. The container is the only thing that knows what it was asked
to run, and every compose file, stack file and README had to restate it:

    web         -> urllib /api/health
    worker      -> celery inspect ping -d celery@$HOSTNAME
    all         -> both, for every lane

Three checks written by hand, once per service, in every file anyone ever
wrote — none of them wrong until a role changed, and all of them silently
wrong after. The same duplication the lane table exists to remove one level
down, and I built it without noticing.

`entrypoint.sh` now records the role it started. The Dockerfile declares ONE
`HEALTHCHECK` that reads it and asks the right question: HTTP for web, a
self-addressed celery ping for a worker lane, both-for-every-lane for `all`,
and nothing for shell/alembic, which are one-shot and have no liveness to
probe. `docker-compose.single.yml` and the consolidated stack declare none.
A service that wants something else can still declare its own; docker prefers
it, so the escape hatch is the default docker behaviour rather than a flag.

Two details that are load-bearing:

  * The role is written ONCE, by the outermost invocation. `all` starts the
    other roles through this same script under supervisord, and a child
    overwriting the container's role would turn the composite check into a
    web-only one — silently, and only on the consolidated path. FC_ROLE is
    exported so a child sees it set and skips.
  * The celery ping is addressed to THIS node, not a bare ping. A bare one is
    answered by any worker on the broker, so in a stack with replicas a dead
    container would report healthy for as long as a sibling lived — the check
    would be measuring the cluster rather than the container it is inside.

`healthcheck_all.py` is deleted; its two probes moved into the dispatcher
rather than being a second copy beside it.

An unrecorded role PASSES. The entrypoint always writes the file, so the only
way to miss it is bypassing the entrypoint — a debugging shape, where a check
that cannot tell what it is looking at must not assert the thing is broken
(snippet #3969). Said on stdout rather than assumed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 09:07:39 -04:00
bvandeusenandClaude Opus 5 828c6a5ae3 fix: each lane needs its own celery node name, or three of four vanish (4295)
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Found by the all-role smoke on its very first execution (run 7319), which is
the whole argument for having added it one commit ago.

Celery's default node name is `celery@<hostname>`. In the single-container
layout all four lanes share one hostname, so all four registered as the SAME
node. Celery says so itself:

    DuplicateNodenameWarning: Received multiple replies from node name:
    celery@72adc5b706a7

`inspect` collapses four replies into one dict key and the last one wins, so
three lanes read as absent — and WHICH three varies between calls:

    lanes not answering: maintenance_long, ml, worker
    lanes not answering: maintenance_long, scheduler, worker

Fatal twice over:

  * The composite healthcheck can never pass. In Swarm that is a container
    that never goes healthy — restart loop, then an automatic rollback of a
    deploy whose image was fine.
  * `pool_grow`/`pool_shrink` take a `destination` of node names. The UI dial
    and the autoscaler would have resized whichever lane happened to answer
    rather than the one asked for — silently, and differently each time.

Every celery role now starts with `-n "${CELERY_NODENAME:-celery}@%h"`, and
the generated supervisord config sets that per lane. The lanes become
worker@<cid>, scheduler@<cid>, maintenance_long@<cid>, ml@<cid> — distinct,
so inspect keeps four entries and `destination` addresses what it names.
`inspect_lanes_sync` maps hostname to lane by QUEUES, so nothing there
changes; it just stops having three of its four entries overwritten.

Unset, it falls back to `celery` — exactly celery's own default — so every
service in the multi-service stack is byte-identical to before, including the
`celery@$HOSTNAME` healthcheck in docker-compose.yml and in the operator's
Swarm stack.

The test asserts DISTINCTNESS across the whole lane table rather than a fixed
string per lane. The property that broke is that no two collide, and stating
it that way keeps holding when a lane is added.

This is the bug I said a live deploy was needed to find, found in CI instead
for the price of one `docker run` — and it would have met the operator as a
rollback loop on their first consolidated deploy.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 08:52:56 -04:00
bvandeusenandClaude Opus 5 2677ce020c fix: the ml artifact was in a second list I never grepped for (4311)
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ac70f2a removed the `ml` image but CI went red on six tests:
`tests/test_artifact_identity.py` parametrises over its own
`ARTIFACTS = ("web", "ml", "agent", "extension")`, and every case now hits
the dispatch guard that same commit added.

My miss, and a specific one. I grepped for `fabledcurator-ml` and `ML_PATHS`
and called the survey done — but the artifact is also named as a bare `"ml"`,
which neither pattern finds. Rule 90 (grep pinned tests when changing a
shared symbol) was surfaced to me while I was making the change and I ran a
narrower sweep than it asks for. Lesson #4275 names the shape exactly: an
absence claim is only as good as the search behind it, and a grep that
matched nothing looks identical to a grep that asked the wrong question.

The re-run was done by value, not by name: every occurrence of a bare `ml` in
the repo, then filtering. That distinguishes the two things the token means —
the celery LANE `ml` and the `backend/app/services/ml` package both stay and
account for nearly every hit; only the IMAGE name went. Worth stating in the
test, since the next person to grep will hit the same ambiguity.

Also swept the prose the first pass left describing the old pipeline: "Four
artifacts" (README, ci-requirements), "leaves web and ml alone" (×5 in
build.yml, plus both docs), "CI publishes it alongside the web/ml images"
(agent/README). The run 4896 build-time measurements keep their `ml` number —
that was measured when ml was a real build — with a note saying the name has
since gone.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 08:32:49 -04:00
bvandeusenandClaude Opus 5 ac70f2aadc refactor: retire the fabledcurator-ml image name entirely (4311)
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Operator, 2026-09-23: *"we don't need to keep this as I'll be collapsing my
stack to the same consolidated version that we're building here."*

That was the only thing holding the name up. `fabledcurator-ml` has been the
same bytes as `fabledcurator` since milestone 422 step 6, and 8152684 had
already stopped rebuilding it — this removes the name.

Gone: the whole `build-ml` job (137 more lines), its entry in promote's
`needs` and in promote's tag loop, `ML_PATHS` and the `ml)` case in
artifacts.sh, the `ml` artifact in test_artifact_paths, the image in
release_notes.py and its test, and the README row. `docker-compose.yml`'s
ml-worker service now runs `fabledcurator:latest` with `command:
["ml-worker"]` — the service still exists for anyone who wants lane
separation, it just no longer needs a second image name.

Prose that said "all three images" is now "both", except where it means
three VALUES (revision/version/epoch) or records what happened on 2026-08-30,
when there genuinely were three.

Published tags are left alone. Nothing new goes to that name; what is already
in the registry stays pullable, so a stack that has not moved yet keeps
running rather than losing its image mid-flight.

## A latent trap this made reachable, found by running the script

`artifacts.sh revision ml` did not fail. It printed the usage line to stderr
and answered with **the newest commit in the whole repository** — a
real-looking 12-char sha on stdout, exit 0.

`newest()` inlined the path set as `git log ... -- $(cmd_paths "$1")`, and
`usage` exits from the command SUBSHELL, so the substitution came back empty
and `git log HEAD --` had no pathspec left to filter by. The reuse check
would have compared that answer against a published label, missed, and
rebuilt on every push forever with nothing going red.

It could not be fixed inside `newest`, which was my first attempt: every
caller wraps it in a substitution too, so its `exit` also died in a subshell —
stdout went empty but the status stayed 0. The guard has to run in the main
shell, so it validates the artifact name at dispatch. `newest` keeps a
defensive `|| exit 2` for a future caller that reaches it another way, and
the comment says which of the two is the real check.

Latent while every name callers passed was valid. Removing `ml` from the set
is what made a name that used to work start taking the silent path, so the
test that pins it lands here.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-23 08:30:47 -04:00
bvandeusenandClaude Opus 5 a01165365b feat: a saturated lane can grow itself, within the cap the operator set (4297)
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Milestone 422 step 7 — the one sweep in this milestone that decides rather
than obeys, so it is off until a lane is opted in, bounded by the operator's
cap, floored at the operator's value, and it reports every decision including
the ones where it did nothing.

Growth needs BOTH halves: all slots busy AND a backlog. Depth alone means
celery is about to pick those up and growing would add idle children (#1253
is that bug in the GPU agent); saturation alone means the lane is busy with
exactly as much work as exists. The backlog is depth PLUS reserved, because
celery prefetches and LLEN reads 0 while a worker holds thirty tasks in
memory — the case an LLEN-only autoscaler misses entirely, and the reason
step 2 plumbed `reserved` through.

The two sweeps had to be taught not to fight. The reconcile drives every
lane to its stored slots every five minutes, which would have reverted each
grow on the next tick: grow, revert, grow, revert, forever. For an
autoscaling lane the stored value is now a FLOOR — restored when a lane
falls below it, never taken back above it.

The operator's "a task that runs for x concurrent time" idea stays a UI
warning rather than a trigger: a long task does not finish sooner because
the lane gained a slot, so scaling on it would spend memory to change
nothing. Read from `task_run` on our own wall clock, not celery's
`time_start`, which is the WORKER's monotonic clock and would produce a
duration that is meaningless in the direction that matters — plausible.

Caught while reading it back: the first version read the stored slots as the
CURRENT pool. The autoscaler never writes that row, so every tick would have
proposed floor+1 — resizing nothing, reporting `grew` anyway (a replica
already past the target is issued no message and reports success), and
capping the lane one slot above its floor forever while claiming otherwise.
It now reads the live pool and keeps the stored value purely as the floor,
and the tests fix the two to different numbers so an equal-fixture pass
cannot hide it again.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 10:05:43 -04:00
bvandeusenandClaude Opus 5 ffcd13096a feat: one image for every lane, with the model fetch gated on enabling (4296)
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Milestone 422 step 6. Dockerfile.ml is gone; the main image carries torch,
torchvision, transformers, onnxruntime and opencv, and serves every lane.

WHY IT HAD TO MERGE: step 5 runs every lane in one process tree, so a second
image would mean the `ml` lane could never be enabled from the UI — there
would be no worker in that container to enable. The switch needs something to
switch.

THE MODEL NO LONGER DOWNLOADS AT BOOT. `entrypoint.sh`'s ml-worker role ran
download_models before celery started, so every boot of that role reached
HuggingFace for ~3.5GB — a startup dependency on a third party for a feature
the operator may never use. Rule 164 permits a runtime fetch only for
something "optional and clearly off", so the fetch is now a TASK, enqueued
the moment the lane is ENABLED.

Being a task is what makes it visible: it gets a TaskRun row, so the download
shows in Activity with a duration and a status, and a failure is something an
operator can see and retry rather than a container that quietly never became
useful. Idempotent, so re-enabling a provisioned lane costs one no-op.

Enqueued only when the lane actually came ON (`enabled is True`, not the
resolved value) so re-saving slots does not re-fetch, and only when the
consumer change landed — a task queued onto a queue nothing consumes would
sit pending with no explanation.

`fabledcurator-ml` KEEPS PUBLISHING, from the merged Dockerfile. The
operator's Swarm stack references that name and lives outside this repo;
dropping it would not break their deploy, it would freeze it silently at the
last publish — the exact failure class this milestone keeps finding. Retiring
the NAME is its own task, gated on that stack moving. Same two-phase shape
#406 used for pixiv.

THREE LIVE BREAKAGES from deleting the file, found by grepping for it rather
than assuming the build was the only consumer:

- `docker-compose.override.yml` built the ml service from it (contributor
  path would have failed at `docker compose build`).
- `tests/test_artifact_paths.py` pins the ml path set.
- `scripts/artifacts.sh` ML_PATHS named it. A path set naming a deleted file
  silently stops contributing to the derived revision — which the reuse check
  and the version string both read. That is #3202's recorded shape.

The `--with-ml` flag is gone from the generator and the healthcheck rather
than left defaulting to true. One image carries every lane now, so a flag
that can only be passed one way is a branch pretending to be a choice.

The advisory shipped in ecbd325 is what makes this honest to an adopter: the
lane says it is optional, names the model, and gives its download and
per-slot RAM before the switch is thrown.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 08:51:44 -04:00
bvandeusenandClaude Opus 5 ecbd325437 feat: an optional lane says it is optional, and what enabling it costs (4296)
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Operator, 2026-09-22: "since the ml-worker is optional it should be shown as
such in the UI and have a warning about what it does and that it pulls the
models and what models and their projected size and ram requirements to run."

The card previously said "a few GB, once" — a number sourced from nothing,
which is exactly the hand-wave I had flagged in this step's own survey log as
something that should be measured rather than asserted.

ONE FACT CORRECTED WHILE WRITING THE COPY. I had named the lane "ML tagging".
It downloads an EMBEDDER: google/siglip-so400m-patch14-384. WD14 tagging is
the GPU agent's job — celery_app.py:5 still names both, but that has been
stale since B3 (#1238), when the agent took over and this lane was left as
the CPU embed fallback for stacks running no agent (see
MLSettings.cpu_embed_enabled). Telling someone the lane "does tagging" would
have been wrong in exactly the way this request exists to prevent.

The facts are structured data on the lane, not prose in a component:
ModelRequirement(repo, approx_download_bytes, approx_resident_bytes,
measured). The API carries them; the card renders them. Numbers come from the
system, wording from the UI.

ML_BYTES_PER_SLOT IS NOW DERIVED from that requirement rather than stated
separately. They have to be one number: the figure quoted to the operator
before they enable the lane and the figure the cap enforces. Two copies could
disagree, and the UI would promise a slot the cap then refuses.

`measured=False` travels with the numbers and the card renders "about". They
are estimates from the checkpoint's parameter count and dtype — ~877M params
at fp32 is ~3.5GB of weights — not from a build. This decides whether
someone's server survives, so it is labelled rather than rounded into
something that reads like a fact. A test asserts the flag is false, to be
flipped in the same commit that records a real measurement.

The card now shows: an "optional" chip in the row itself (someone scanning
the table should not have to enable a lane to learn it was never required),
and before the switch, what the lane does, that you only need it if you are
NOT running the GPU agent, the repo id, the download size, the per-slot RAM,
and why the ceiling is what it is — including saying plainly when a box has
too little memory to run it at all.

Keyed on the lane's own `optional` flag, not on the name 'ml', so a second
optional lane gets the same treatment without anyone remembering to add it.
A test asserts no REQUIRED lane declares a model: if one ever needs a
download, it stops being required.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 08:45:22 -04:00
bvandeusenandClaude Opus 5 172e33de9a feat: run web and every worker lane in one container (4295)
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Milestone 422 step 5. `docker compose -f docker-compose.single.yml up -d`
gives three containers — FabledCurator, Postgres, Redis — where the stack
previously needed seven.

THE MULTI-SERVICE STACK IS KEPT. docker-compose.yml still runs the five app
services separately and remains the right shape for a Swarm deployment spread
across hosts, where per-service rolling rollback and placement constraints
matter. This adds a compose file; it deletes none.

`entrypoint.sh all` GENERATES the supervisord config from worker_lanes.LANES
and execs it as PID 1. Generated rather than checked in because a static
.conf would spell out each lane's -Q list, making a FIFTH hand-kept copy of
the queue names — after celery_app.task_routes and the three collapsed in
steps 1, 2 and 4. Every one of those had already drifted when found.
Generating gives a stronger guarantee than "they match today": a lane added
to LANES gets a process, and a queue cannot end up with no consumer because
someone missed a file.

supervisord over s6-overlay: one pip dependency on an image already Python,
with per-program stop timeouts and stopasgroup. The process-group part is not
a detail — celery's prefork pool forks children, and a TERM reaching only the
parent leaves them orphaned holding tasks. s6's advantage (PID-1 signal and
zombie handling) comes from `init: true` instead. Nothing in FC talks to the
supervisor, so the choice is reversible without touching product code.

FOUR LANES, NOT FIVE. The ml lane is skipped: torch and the ML requirements
live only in Dockerfile.ml until step 6 merges the images, so an `ml` program
here would fail to import on every restart forever. `--with-ml` is the flag
step 6 turns on.

THREE BUGS FOUND BY READING IT BACK, none of which the first tests caught:

1. `environment=CELERY_QUEUES=default,import,thumbnail,download` — supervisord
   parses that key as a COMMA-separated list, so it reads as
   CELERY_QUEUES=default plus three malformed entries and the worker lane
   would have consumed only `default`. Silent: the worker starts, reports
   healthy, never picks up an import. Now quoted, and the test asserts the
   quoted form rather than the bare substring, which passed either way.

2. The generator emitted `entrypoint.sh <lane.name>`, but `maintenance_long`
   is not a role — compose runs it as the plain `worker` role with different
   queues. Lane now carries `entrypoint_role`, and a test reads entrypoint.sh
   to assert every role a lane names actually exists.

3. The `scheduler` role hardcoded --concurrency=1, ignoring CELERY_CONCURRENCY.
   Harmless while only compose started it and set none; with a generated value
   being passed, the lane would have sat at 1 until the reconcile noticed,
   with nothing saying why.

The healthcheck asserts BOTH halves — hypercorn answers and every configured
lane is answering the broker. That is the failure mode consolidation creates:
docker can no longer see the lanes as separate services, so a web-only check
would report a healthy container with every lane inside it dead. It
deliberately ignores the `enabled` flag: a disabled lane still has a running
process with its consumers cancelled, and marking the container unhealthy for
turning tagging off would be wrong.

stop_grace_period 200s, sized to the slowest lane (maintenance_long at 180s)
rather than the average, with a test asserting no program's stopwaitsecs can
exceed what compose allows.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 08:32:27 -04:00
bvandeusenandClaude Opus 5 5f8c63f61b feat: reconcile every running lane back to its stored slots (4293)
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Milestone 422 step 3. `pool_grow` is not durable: a worker restarted by its
supervisor comes back at its ENV concurrency, silently below whatever the
operator set, and nothing on step 2's write path would ever notice. Storing
the value made it survivable; this makes it survive.

A BEAT TASK, NOT A HOOK IN WEB — a deliberate deviation from the step as
written, for a reason already recorded in this codebase. Step 3 said "web
applies the stored values after it starts". It cannot: service_roster.py
documents that hypercorn runs --workers 4, so anything in before_serving
becomes four concurrent loops per container hammering the broker forever.

service_roster's own answer — refresh on demand from whichever request
arrives — was also rejected, because the two solve different problems. A
stale ROSTER only misleads someone looking at it, so recomputing when they
look is exactly right. A lane running at the wrong size is doing less work
than it was told to whether or not anyone is watching, and the case that
matters is a deploy at 3am followed by a backlog nobody is awake to see.

So: unattended, every 5 minutes, on the quick `maintenance` lane beside the
other recovery sweeps. Accepted cost — a dead scheduler stops reconciliation,
but a dead scheduler already stops every other sweep and the roster reports
it, so this adds no new blind spot.

A BUG I WROTE AND CAUGHT BEFORE COMMITTING. The first version called
set_lane_enabled_sync unconditionally, so a settled system re-sent
add_consumer for every queue on every tick — forever. Harmless per call
(add_consumer on an already-consumed queue does nothing), unbounded in
aggregate, and completely invisible. That is lesson #4183's failure mode
exactly, in the very function whose docstring cites it.

Worse, my test would not have caught it: it asserted only on grew/shrank.
LaneLiveState now carries `consuming` — which queues a lane is actually
serving, distinct from the queues it was configured with — so the reconcile
compares before acting. The test now asserts ALL FOUR control families are
silent on a settled tick, plus a new case for an already-disabled lane, which
is the other half of the same fixed point.

An absent lane is SKIPPED, not corrected. present=False means nothing
answered, not zero slots; correcting it would be a conclusion from an unswept
read (snippet #3969), and there would be nothing to send the message to. One
lane failing does not stop the others.

One inspect serves every lane: the two setters now take an optional
pre-fetched LaneLiveState, so a tick costs one broker round trip rather than
one per lane.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 08:08:38 -04:00
bvandeusenandClaude Opus 5 a9c1b421a7 feat: change a lane's slots on a running system, over the broker (4292)
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Milestone 422 step 2. `GET /api/system/workers` reports every lane joined to
its live pool; `POST /api/system/workers/<name>` changes it.

NO DOCKER SOCKET. Milestone 365 deferred "acting on the state" because
restarting a dead worker needs a socket the web container deliberately does
not have. That holds for restarting a CONTAINER; it does not hold for
changing how much work a RUNNING worker does. celery's pool_grow /
pool_shrink / add_consumer / cancel_consumer send a message over the Redis
the app already uses, and the worker resizes itself. No new privilege, no new
surface, and the security question that deferred this is never raised.

PERSIST AND PUSH, in one call, in that order. pool_grow is not durable — a
restart drops every lane to its env concurrency — so a UI that only pushed
would lose the setting on the next deploy with nothing to show for it (lesson
#4202). Storing alone would describe nothing until something restarted. A
failed PUSH is not a failed setting: 200 with `applied: false` and a reason,
so the UI says "saved, not yet live" rather than "that didn't work". Step 3's
reconcile carries it when the lane answers again.

PER-REPLICA DELTAS. `pool_grow(n, destination=[...])` adds n to EACH
destination, so while `worker` runs `replicas: 2` a single delta from an
aggregate is wrong for both. `slots` therefore means what CELERY_CONCURRENCY
means — one process's pool — and each replica is driven to it from its OWN
current size, so replicas that drifted apart converge rather than moving in
lockstep. I wrote this wrong first: the docstring claimed per-replica while
the code computed one delta from the max across replicas. LaneLiveState now
carries `pools` per hostname and exposes `pool` as a property.

A replica already at the target is sent nothing at all — the reachable fixed
point step 3's periodic reconcile needs, or it re-issues a grow of zero every
tick forever (lesson #4183). A replica that answered inspect but not stats is
NAMED in the error rather than skipped silently, since otherwise it would run
at a size the UI claims it does not.

`present=False` is not "zero slots", it is "nothing answered" — kept distinct
throughout, because step 3 skips an absent lane rather than correcting it.

/workers now also reports pool size (from `insp.stats()`) and RESERVED count.
Celery prefetches, so tasks that have left the Redis list but not started are
invisible to LLEN: a lane can read depth 0 with thirty tasks held in worker
memory. `pending` is depth + reserved. The UI is misleading without this and
step 7's autoscaler would be simply wrong.

Also kills the THIRD copy of the queue list: system_activity's _QUEUE_NAMES,
whose own comment admitted the coupling ("must match celery_app.task_routes")
and which sat alongside task_routes and the ROLE_NAMES copy step 1 collapsed.
Now derived from LANES. The rendered order changes to lane grouping, which is
the better shape for a lane-oriented UI.

Separate blueprint rather than folding into system_activity, which states in
its first line that it is read-only and answers a different question — its
/workers is keyed on celery HOSTNAME and reports which nodes answered.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 08:01:23 -04:00
bvandeusenandClaude Opus 5 5974a1bfbc fix: two errors in the worker-lane tests (4291)
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Both mine, both in tests/test_worker_lanes.py, neither in the code under
test. Run 7242.

RUFF I001 — two blank lines between the import block and the first
module-level comment. Rule 102 names this exact trap ("exactly ONE blank line
between imports and a module-level constant/comment/pytestmark") and I was
pointed at that rule repeatedly before opening it.

SIX FAILURES in test_worker_lane_check_constraints — the test asserted bare
constraint names, but Base.metadata's naming_convention has already applied
the `ck_worker_lane_` prefix by the time __table__.constraints is read.

The failure output is worth keeping: it shows the model emits exactly the
three intended constraints, prefixed once —

    ck_worker_lane_slots_non_negative  slots >= 0
    ck_worker_lane_cap_non_negative    slots_cap >= 0
    ck_worker_lane_slots_within_cap    slots <= slots_cap

— which is the model behaving correctly, and confirms the migration's
op.f() names match what the ORM produces.

The assertion is now an equality against the prefixed names plus an explicit
check for a doubled prefix. That is strictly more valuable than what I wrote:
a bare-name assertion would have passed just as happily against
`ck_worker_lane_ck_worker_lane_slots_within_cap`, which is the defect alembic
0088 had to rename four constraints for (#3275).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 07:53:30 -04:00
bvandeusenandClaude Opus 5 84f13135ce feat: worker lanes become rows — slots, a settable cap, a derived ceiling (4291)
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Milestone 422 step 1. The data model the rest of the milestone reads. No
behaviour change: nothing consumes these rows yet, and every lane still boots
at its CELERY_CONCURRENCY env value.

Three numbers, not two, per the operator's distinction — the derived value is
a cap ON the cap:

    slots  <=  slots_cap  <=  derived_ceiling
    (live)     (operator)     (computed)

They can always lower their own cap; they cannot raise it past what the
container can hold. The ceiling is never stored, so a row written on a 32GB
host and later run in a 4GB container is bounded by the 4GB.

`services/worker_lanes.py` is the one place that knows the lane set.
`models/worker_lane.py` holds only what an operator may change.

Two deviations from the step as written, both deliberate:

QUEUES ARE NOT A COLUMN. The step body said the row carries its `-Q` list,
but a lane's queues are decided by celery_app's task_routes, not by
preference — an operator cannot move a backup off maintenance_long. Storing
them would create a row that can contradict the routing table, with nothing
to notice until a queue had no consumer. So queues are code, slots are data.
`test_every_routed_queue_has_a_lane_that_serves_it` reads the real routing
table and fails if a route is ever added without a lane.

ROLE_NAMES IS NOW DERIVED, not left alone. It was a hand-kept second copy of
"queue set -> display name" and had already drifted: maintenance_long is a
live lane with four task routes and a dedicated worker in the operator's
stack, and the roster did not know its name — so the System tab labelled it
`Worker (maintenance_long)`. Adding a lane table beside it would have made
three copies.

The ceiling honours cgroup limits rather than the host's. `os.cpu_count()`
reports the HOST's cores from inside a container, so a 4-core quota on a
32-core host would otherwise offer 32 slots — and the operator's own stack
sets `cpus: '4.0'` on ml-worker, so that is real configuration, not a
hypothetical. Memory reads cgroup v2 then v1, and recognises v1's
PAGE_SIZE-aligned LONG_MAX sentinel by magnitude rather than treating it as
petabytes.

Every uncertain case fails LOW. An unreadable limit yields UNKNOWN_CEILING,
never unlimited — not knowing how much memory there is must not read as
plenty. A box too small to hold one model beside the web process gets an ML
ceiling of 0 rather than a floor of 1: offering a slot that OOMs the
container the first time it is used is exactly what this exists to prevent.

ML_BYTES_PER_SLOT is 4 GiB and is UNMEASURED — flagged as such in the code,
with the method for replacing it with a real figure. It decides whether a
stranger's server survives enabling tagging, so it errs toward refusing a
slot that would have fitted.

Seeded one-of-each with ml at 0 and disabled (alembic 0103). ML off is step
6's requirement arriving early: enabling the lane is what triggers the SigLIP
download, and rule 164 permits a runtime fetch only for a feature that is
optional and clearly off. The seed values are literals rather than an import
of LANES — a migration is a statement about one moment, and importing the
live defaults would silently change what this revision does on a fresh
database in 2027.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-22 07:48:25 -04:00
bvandeusenandClaude Opus 5 bd92fb46b3 test: pin the JS<->Py artist-pattern mirror with a shared sample table (3093)
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`PLATFORM_ARTIST_PATTERNS` (extension/lib/platforms.js) and
`_PLATFORM_PATTERNS` (extension_service.py) are two hand-kept copies of one
table whose only guard was the comment "keep in sync by hand; reviewers catch
drift" — the same guarantee manifest.json had before #3069, where deviantart
sat in the manifest for seven weeks after the product dropped it.

Drift here is worse than the manifest case, because the two copies gate
opposite halves of ONE interaction: the JS copy decides whether the "Add to
FC" button appears, the Python copy decides whether the resulting POST is
accepted. JS looser than Py shows a button that 400s; Py looser than JS
silently never offers a button for a URL the backend would take. #1485 (the
Patreon /c/ and /cw/ shapes) was the second of those, and its fix had to be
applied to both files by hand.

The two-runtimes objection to a shared SOURCE file is fair, so this tests the
invariant instead of the source. `extension/test/artist-url-samples.json` is
one table of 25 URL samples — match (with the expected slug) and no_match,
each with a `why` — read by BOTH suites and asserted against each one's own
copy of the patterns. Neither runtime imports the other; a change to one copy
alone turns the other runtime's suite red.

Both halves also assert their own coverage: the sample platforms must equal
the platforms that actually have an artist pattern, and every platform must
have samples in both directions. Without that, deleting a platform's samples
would make the guard pass by testing less. Discord is deliberately in neither
table — it is channel-based and has no creator page to put a button on.

The no_match half asserts `_derive` RAISES rather than merely missing the
platform: it tries every pattern in turn, so a nav page some other platform's
pattern happened to swallow would still be accepted by the backend — the same
defect wearing a different platform name.

Samples live under extension/test/ because that path is excluded from both
the XPI file set and the extension version derivation (packaging.sh:
NOT_PACKAGED_TRACKED and NOT_VERSION_RELEVANT both carry `test/**`), so
adding samples ships no bytes and forces no re-sign.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 21:04:53 -04:00
bvandeusenandClaude Opus 5 24b10d0ffa feat: retire pixiv entirely — delete its code, its ledgers, its credential (3977, 3978, 3979)
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Milestone #406 phase 2, with issue #3980 folded in. Phase 1 (2026-09-13)
unregistered pixiv so nothing could reach it; the code has sat in the tree
uncalled since. DeviantArt is why the second half is not left for later —
#3069 retired it in code on 2026-08-27 and its stored session was still in
the database seven weeks on.

Step 5 — the code. Deletes pixiv_client, pixiv_downloader, pixiv_ingester,
platforms/pixiv and their three test modules and fixture, then edits out
every remaining reference: the dispatch entry, the campaign-id and verify
branches in download_backends, the display-name branch in extension_service,
and the comments that still described pixiv as live.

The consolidation check the step asked for comes back negative:
native_ingest_common has seven non-pixiv callers (patreon, subscribestar,
membership_reconcile, membership_roster, ingest_core), so nothing there
drops to a single user.

Step 6 — the data, alembic 0102. Drops pixiv_seen_media and
pixiv_failed_media, and deletes credential rows whose platform is not
registered. Written as "not registered" rather than "pixiv" at the step's
explicit ask, which is what makes one migration cover two retirements: the
pixiv OAuth refresh token and DeviantArt's leftover session (#3980). It is
also the only way either row can go — the credentials UI renders one card
per platform from /api/platforms and looks the credential up by key, so an
unregistered platform's row has no card and no Remove button.

Pixiv's Source rows are KEPT, changing the milestone's original data table
on the operator's call. `platform` is stored only on Source; neither Post
nor ImageRecord carries it. Both FKs are ON DELETE SET NULL, so a delete
would not lose the art — but it would drop every pixiv image into the
gallery's __unsourced__ bucket and strip the platform chip off every pixiv
post. The rows stay disabled (0097) and unregistered, so nothing schedules
or downloads through them. Keeping them costs nothing and keeps the
attribution that "the art already downloaded from pixiv stays" is about.

Step 7 — the guard. test_pixiv_code_and_tables_are_gone asserts absence from
the module table and from Base.metadata, not from prose (snippet #3352's
trap). The extension and registry negative assertions were already in place
from phase 1. The final sweep found one real residue step 4 missed:
extension/README.md still advertised pixiv support and carried a "Pixiv
OAuth" manual-test item.

Also replaces the two deleted dispatch tests with one over the whole
NATIVE_INGESTER_PLATFORMS set, so adding a platform and forgetting its
ingester class now fails at unit level rather than as a mid-download
KeyError.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 20:46:15 -04:00
bvandeusenandClaude Opus 5 5aa8e3d81b fix: a stopped source is not a failing one, and cannot be deep-scanned (4279)
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Ebi77 sat in the "1 source is failing" banner for six days with no action
available, reading `stranded by recovery sweep (no terminal status after
time_limit)`. Four things lined up:

1. The membership sweep did its job — saw `former_patron`, disabled the
   source, cleared its failure state. Clean at 02:50.
2. Twenty minutes later a deep scan was armed on it. `/backfill` had a
   credential pre-flight but NO `enabled` guard, while `/check` has carried
   one all along. The two trigger endpoints disagreed, and the ungated one is
   the one that arms the long walk.
3. Without a membership the walk cannot finish, never reaches a terminal
   status, and the recovery sweep strands it with consecutive_failures = 1.
4. Nothing could clear that. A disabled source is never scheduled, so no
   successful run resets the count; `SourceService.update` clears only on an
   explicit disable and it was already disabled; and the banner's Retry routes
   to `/check`, which refuses a disabled source. The card offered a button
   structurally incapable of acting on the only source it was showing.

`failing_sources_clause()` now means "enabled AND erroring". That also settles
a disagreement its two callers already had: the scheduler's count paired it
with `enabled.is_(True)` and `SourceService.list(failing=True)` did not, so
one counted Ebi77 and the other did not — exactly the drift the note above
that function warns about, which is why the test belongs IN the predicate
rather than beside it. The scheduler's now-duplicate clause is dropped so one
place decides.

`/backfill` gains the guard for start/recover/recapture. `stop` stays open on
a disabled source, or arming becomes a one-way door.

Migration 0101 clears failure state on sources that are already disabled — the
predicate fixes what the surfaces report, not what the rows carry, and the
rows are why the operator had no way out (lesson #4202). It matches what
`update` already does on an explicit disable, so rows disabled by any other
path come into line. Enabled sources are untouched: a real failure on a live
source must keep showing, which the second new test pins.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 19:25:42 -04:00
bvandeusenandClaude Opus 5 11a01a9686 revert: remove the placement reconciler — it manufactured the problem it solved
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Milestone #421 built a sweep that compared each image's `artist_id` to the
name of the directory holding its file, and called every mismatch a misplaced
image. It reported 33,789 of 63,605 as wrongly filed. That number described
the comparison, not the library.

What it actually was:

  32,475  (97.1%)  one artist's own folder, spelled differently
                   — Telepurte/ vs telepurte/. Same artist, same art.
     657  ( 2.0%)  loose at the images root
     328  ( 1.0%)  in a folder named after a different artist

And the 1% did not mean what the tool assumed either. `ImageProvenance`
records the post and source every file was downloaded from — the
authoritative answer, which the tool never consulted. Querying it for all 328:

    144  provenance agrees with the record  (move would be right)
     87  provenance agrees with the FOLDER  (the record is wrong; move wrong)
     53  provenance names SEVERAL artists   (no single correct folder)
     41  no provenance at all
      3  agrees with neither

So the sweep would have misfiled or arbitrarily picked for ~41% of the only
set it was really needed for. The system already knew where each file came
from; the tool inferred it from a column and a directory name instead.

Operator, 2026-09-21: *"the current system consistently records where items
are and where they came from this is just complicating something works and
doesn't need fixing."* Correct on both counts.

Removed: the service, the tasks, the model and migration 0099's table, the
/api/cleanup/layout and /placement/* endpoints, the Maintenance card and its
store actions, and the tests. 0100 drops the table (rule #22 — no legacy).

KEPT deliberately, per the operator:
- `utils.paths.canonical_subdir` — new filesystem imports derive their
  directory from the artist's slug, matching what the downloader always did.
  Not part of this tool; removing it would be churn that fixes nothing.
- The 327 files run 1 moved (InsoUwu/ -> insouwu/). Same artist either way,
  and the gallery renders them correctly.
- Everything from #4223 (three-gate dedup, 256-bit pHash) and #4234 (backup
  credential exclusion). Those fixed problems that were actually reported.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 18:17:13 -04:00
bvandeusenandClaude Opus 5 a4bdbcaca4 test: import the placement task module so its names reach celery.tasks (4246)
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Three registration assertions failed: a task name only enters `celery.tasks`
when its module is imported, and nothing in the test process imported
`library_placement`. The API routes import it lazily inside the handlers, and
the registration test runs before any handler test triggers that.

`include=[...]` is what gets the module imported in a real WORKER, so
production registration was never in question — the test was asserting
something only observable after an import it never performed.

test_tasks_admin already carries the convention verbatim
(`import backend.app.tasks.admin  # noqa: F401 — register tasks`); I wrote the
assertion from what I meant instead of copying the idiom next to it. Same
mistake shape as the commit-vs-flush bounce one commit ago: the pattern was
already in the suite both times.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 14:21:20 -04:00
bvandeusenandClaude Opus 5 db63377754 test: placement API tests must commit, not flush (4246)
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Five of the new tests failed in CI: every one that created a
LibraryPlacementRun and then read it back through the client. The ones that
touched no rows passed.

A flush stays inside the test's own transaction, and the app under test runs
on a separate session and connection — so the endpoint queried a database
where the row did not exist yet and got its 404 / empty list honestly.
`_seed_runs` in test_api_system_backup already commits for this reason; the
idiom was there to copy and I did not look first.

Recorded in the helper's docstring rather than just fixed, since the next
person writing a create-then-fetch API test will reach for flush too.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 14:15:52 -04:00
bvandeusenandClaude Opus 5 abe449b4f2 feat: placement reconciler tasks + API (4246, slice 3b)
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Three Celery tasks wrapping the 3a service, and the endpoints that drive
them. Routed to `maintenance_long` alongside backups: 33k renames on NFS have
no business in the quick lane where the self-healing sweeps live (the
2026-06-07 starvation).

A durability bug in 3a, found by thinking about what a crash costs rather
than by a failing test: `apply_run` wrote its ledger only at the end, so a
worker dying at row 30,000 of 33,789 would have taken the undo information
for the first 29,999 with it — and that ledger is the ONLY record of where
those files came from. It now persists every 200 moves. Two things fell out
of writing that:

- `_persist` reassigns `run.moves`, so the loop had to snapshot the plan
  first rather than iterate the attribute it rewrites.
- the reassignment is itself load-bearing: SQLAlchemy does not track in-place
  mutation of a JSONB list, so an `.append()` alone would never reach the
  database and the ledger would have stayed silently empty.

Re-running a partially-applied plan is safe — the moved rows no longer match
their `from` and refuse as "row moved since planning" — but `apply_placement`
deliberately has NO autoretry: re-entering a half-applied plan should be the
operator's call after reading what happened, not the queue's.

Endpoints gate on run state as well as the service does, so a stray POST
cannot re-apply an applied run. The list response omits `moves` (an applied
whole-library run carries tens of thousands of entries); the detail endpoint
includes them, because that detail IS the preview read before agreeing.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 14:13:25 -04:00
bvandeusenandClaude Opus 5 9ccc460c69 feat: placement reconciler — plan, apply, revert (4246, slice 3a)
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Milestone #421 step 3, reframed on the operator's steer: not a one-off
migration but the system that keeps the tree true. The 33,789 misplaced rows
the survey found are just its first run.

The placement half was already done, verified by reading each writer rather
than assuming: downloads have always written `<root>/<slug>/<platform>/`
(gallery_dl.py:523), attach_in_place leaves files where the downloader put
them, and `_copy_to_library` / `_supersede` became canonical in #4244. So
nothing is written off-canon today; what remains is the backlog and a standing
check for future drift.

`LibraryPlacementRun` (migration 0099) holds the plan as JSONB, and that one
structure does three jobs: it is the PREVIEW the operator reads, the list the
APPLY executes (rather than re-deriving the set, so the two cannot disagree),
and — because `from` is retained — the UNDO.

The undo is the point. It makes a 33,789-file operation something to do one
artist at a time, look at in the gallery, and reverse if it reads wrong. That
settles whether artist_id or the folder held the truth (spike #4257) by doing
rather than by arguing it from a 50-row sample.

An applied run is therefore HISTORY, not state — lesson #4226's trap, since
it is the only record of where those files used to be. The model and the
migration both say so: any future retention here may prune ready/cancelled/
error runs, never an applied one.

Everything fails closed. The apply re-checks each row against what the plan
recorded — source still there, destination still free, row still pointing
where the plan said — because a download or a supersede can land in between.
A refusal is recorded with its reason and the run continues; one stale row is
not a reason to abandon the other 33,788. The row is updated only after its
rename lands, so a failed move can never leave `path` naming a file that is
not there.

Writing the collision test caught the code disagreeing with its own comment:
it claimed the first of two rows wanting one destination and skipped the
second, silently picking a winner by iteration order. Now it counts first and
filters after, so genuinely neither is planned.

Thumbnails are sha-addressed, not path-keyed, so they do not move — pinned by
a test.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 12:46:06 -04:00
bvandeusenandClaude Opus 5 fc982f74b9 feat: survey which image rows sit outside their artist's canonical directory (4245)
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Step 2 of milestone #421. The disk survey counted FOLDERS; this counts ROWS,
which is the number that matters — every move in step 3 is a row update, and
`ImageRecord.path` is the only pointer at the bytes.

`library_layout.py` holds the decision in two shared pieces, and both halves
of the consolidation spread them rather than restating them (rule 93, the
_x_conditions shape from snippet #3087):

- `_misplaced_conditions(root, artist_id, slug)` — rows of one artist whose
  file is not under that artist's directory. The prefix carries a trailing
  separator deliberately: without it `ara` matches everything under
  `arbuzbudesh/`, and one artist reads as fully placed while another's rows
  are silently skipped. Both are real artists here, hence the test.
- `destination_for(path, root, slug)` — where a row's file belongs, or None
  when it must not be moved: outside the images root, or under one of the
  reserved stores (`thumbs`, `attachments`, `cookies`, `secrets`, `_backups`,
  `_quarantine`). Relocating those would move the thumbnail cache or the
  credential key into an artist folder.

`destination_for` diverges from `canonical_subdir` in exactly one case, and
the docstring says why: a file at the images ROOT with a known artist moves
under that artist here, where the import-time helper leaves it alone. The two
answer different questions — an empty subdir at import means no artist was
resolved, while a row that already carries an artist_id is an anomaly with a
known correct home. The 660 unattributed files have no artist_id at all, so
no predicate reaches them; they are counted and left for task #4247.

`GET /api/cleanup/layout` exposes it. `?check_disk=1` additionally stats every
destination for collisions and missing sources — the conditions the apply
refuses on — but it is off by default so the count-only pass answers "how big
is this" in seconds instead of timing the request out on NFS.

Nothing here writes; a test asserts that against both the row and the file.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 11:03:03 -04:00
bvandeusenandClaude Opus 5 30337a6c11 fix: library paths follow the artist's slug, not the import folder's name (4244)
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Step 1 of milestone #421. The images tree has 57 directory families for what
the database says are single artists — `Conto`/`conto`, `InCaseArt`/`incaseart`,
`StickySpoodge`/`Stickyspoodge`/`stickyspoodge`, and so on down to a four-way
split for Pocket Ace Games.

There was never a duplicate Artist row. `/api/artists/names` returns exactly
one per artist. The files simply get written to two places for one row:
`_copy_to_library` built its destination from `derive_subdir`, which mirrors
the IMPORT tree's folder name verbatim, while the download path leaves files
where the ingester wrote them — under the slug. Two writers, two conventions,
one artist.

This is the half that stops it re-growing, and it has to land before anything
moves existing files: consolidate first and the next filesystem import out of
a capitalised folder re-creates the directory that was just emptied.

`canonical_subdir` replaces the top-level segment with the artist's slug and
leaves everything below it alone — the post hierarchy is the downloader's
business. Two deliberate pass-throughs: no resolved artist (nothing
authoritative to canonicalise against) and an empty subdir (a file at the
images root, whose fate is task #4247, not a side effect of this helper).

`_supersede` resolves the KEPT row's artist for the same reason — a supersede
rewrites `existing.path`, so writing it anywhere else would move a row back
out of the tree being consolidated. ImageRecord carries `artist_id` with no
relationship attribute, so that is a session lookup rather than an attribute.

test_import_one_happy_path pinned the old `Alice/` destination and now pins
`alice/` (rule 90).

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 08:48:46 -04:00
bvandeusenandClaude Opus 5 6915cbbbe1 fix: the images backup carried the key to the accounts it backs up (4234)
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Listing a 2026-05 tarball while investigating the 4.3T `_backups` pile showed
its second and third entries:

    images/secrets/
    images/secrets/credential_key.b64

That is the key that decrypts the stored Patreon/SubscribeStar session
credentials, and `cookies/` sat beside it — both unexcluded, so this was true
of every images backup taken today, not just the old ones. An images tarball
is supposed to be a media archive; one that carries the operator's account
keys is a credential leak wearing a backup's name, in a single file that is
easy to copy to another disk or restore somewhere less protected. Encryption
at rest buys nothing when the key travels in the same archive.

`secrets` and `cookies` join `_backups` and `_quarantine` in one named tuple,
each with its reason recorded — the recursion that produced 4.3T of nested
tarballs is the cautionary tale for why the list is worth explaining rather
than just listing.

A restore no longer re-establishes credentials. You sign in again, which is
the correct outcome for a media backup.

Tests cover both new names and that every exclude stays root-relative — a bare
`secrets` would also match an artist folder of that name.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 08:35:35 -04:00
bvandeusenandClaude Opus 5 a05cb66635 fix: variant artwork was dropped as a near-duplicate even at threshold 0 (4223)
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The operator reported a 15-image variant pack landing as 3 records, then
reported variants STILL being dropped with phash_threshold at 0 — the floor
of the dial. No setting could have fixed it: at hash_size=8 a pHash is 64
bits of coarse light/dark layout, so two variants sharing a composition
produce the SAME bits. Distance 0 meant "identical hash", not "identical
image", and the dial was simultaneously too coarse to keep variants and too
tight to catch a re-encoded rescale.

The hash no longer decides a merge on its own. find_similar now runs three
gates, cheapest first: the threshold proposes candidates, aspect ratio
(ASPECT_TOL, matching the tier-1 video path) rejects crops and re-canvases,
and a pixel-level confirm on the two files accepts. Every gate fails closed —
unknown dimensions, an unreadable candidate, a hash of the wrong width all
mean "not a duplicate", because too strict keeps a redundant copy the
operator can see while too loose deletes artwork only a source re-walk
returns.

- utils/phash.py: HASH_SIZE 8 -> 16 (256-bit, what ImageRepo always used);
  aspect_matches, fingerprint/fingerprint_path/fingerprints_match (PIL-only,
  mean drift + changed-pixel fraction), find_similar gains `confirm`.
- importer: _pixel_confirmer supplies gate 3 on both dedup sites, lazily and
  cached, so a non-matching import costs no extra I/O.
- 0098: widens image_record.phash to 64 chars and NULLs every value — a
  stored 64-bit hash cannot be compared to a 256-bit one, and backfill_phash
  is NULL-only, keyset-paginated and now on the daily beat, so the library
  re-hashes itself. Dedup degrades to sha256 until it finishes.
- phash_threshold counts bits and the denominator went 64 -> 256, so the
  setting is reset to the new default of 24 (there is no honest carry-over)
  and the slider is rescaled to 0-64.
- gallery_service dup_threshold 8 -> 32: the same fraction of the hash, so
  the Explore rail keeps the variance the operator tuned in on 2026-07-01.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LVjrnpQjRgHdvq95rASoiR
2026-09-21 00:16:14 -04:00
bvandeusenandClaude Opus 5 3fe9d0a612 fix: the Latest feed's filter dropdowns opened empty
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Operator: "the filters in the latest feed, drop down but don't have values". Two separate causes:

- Platform: PostsFilterBar built its items from `platformsStore.platforms`. The platforms store has never had that property; it exposes `list` and `byKey`. The read returned undefined, `|| []` turned that into an empty list, and nothing failed. ArtistsView had copied the same read, so the Browse → Artists platform filter was empty too. Both now read `list` and show platform names rather than raw keys.

- Artist: the autocomplete searched the server only after something was typed (autocomplete returns [] for an empty query by design, which its tests pin). Opening the dropdown therefore showed an empty menu. PostsFilterBar now loads every artist once from a new lightweight `GET /api/artists/names` (id, name, slug; alphabetical; no joins) and filters client-side, so the list is there on open. A deep-linked artist_id now also shows the artist's real name instead of "Artist #id".

Guard: frontend/test/storeUsage.spec.js scans src for `platformsStore.<name>` and fails on any name the store doesn't define, since the frontend CI has no type-checker to catch this. A positive control shows the shipped `platformsStore.platforms` read is flagged, and a vacuity check confirms the scan really walks the tree.

tests/test_api_artists_create.py covers /names.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 22:38:27 -04:00
bvandeusenandClaude Opus 5 7ff8915147 feat: a source stops pulling once its membership ends, and resumes on resubscribe (3995)
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Operator, 2026-09-13: "if I kill a subscription on patreon I would like the pulling to stop on curator as well", with auto-resume chosen. This reverses the 2026-09-11 "report only" decision for lapsed sources.

membership_reconcile.apply_membership_lapses runs in sync_memberships right after each platform's successful sync, so it only ever acts on the roster just written.

It stops a source (enabled=false, with the same failure-state reset as a manual disable, #1285) only when all of these hold:
- the roster is fresh
- the source's matched membership says has_paid_access is False (lapsed, or a free follow)
- the paid-through date has passed, where the platform gives one (Patreon's member.access_expires_at; SubscribeStar gives none, so it stops at once)
- the source is enabled
- the operator hasn't chosen to keep it

It never acts on absence. A source with no matched membership keeps pulling, because a rename or a never-walked source produces the same absence. An unrecognised status is never a lapse either.

It resumes only sources carrying its own `_membership_stopped` marker, once the membership is paid again.

The operator outranks the sweep both ways (SourceService.update):
- turning a stopped source back on marks it `_membership_kept`, so the next sweep leaves it alone until it's paid again
- turning a source off by hand drops the marker, so the sweep never switches it back on

Both are `_`-prefixed app-managed config keys, which operator edits already preserve. No migration.

The roster/fetch line holds. This is a source-level action by the sweep. No download path reads the roster, and the scheduler still selects on `enabled` alone. test_no_fetch_path_can_read_the_roster is unchanged.

UI: SourceRow shows a neutral "Membership ended" chip, with the status and the resume/keep explanation, ahead of the other chips. The sweep's task summary reports stopped/resumed counts.

Tests (tests/test_membership_lapses.py):
- a lapse stops the source with a clean slate and keeps the id cache
- paid-through is honoured
- absence, an unknown status and a stale roster never stop anything
- a resume touches only what the sweep stopped
- a manual on sticks, a manual off drops the marker, and a kept source is released once paid

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 22:08:06 -04:00
bvandeusenandClaude Opus 5 9b82a95b7e feat: Settings can re-download the Discord images the None naming broke (3999)
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The operator chose a clean re-download over relinking in place. The ~1,600 broken files can't be relinked reliably: their message ids are gone, and their sidecars collided.

Settings → Maintenance → "Repair Discord downloads" previews, then applies:
- Deletes every image whose path is `…/discord/None/<8 digits>_None_…`. Both the folder and the name are required, because that pair is only what the bug produced. It reuses cleanup_service.delete_images for the record and file deletes.
- Sweeps the leftover collided sidecars from those folders and removes the emptied folders.
- Only then clears gallery-dl's archive rows `discord%`, excluding `discordasset_%`. Upstream keys message attachments as `discord{message_id}_{num}`. Since the broken files lost their message ids, per-source forgetting is impossible. Every pre-fix Discord download is broken, and files fetched after the fix still exist on disk, so gallery-dl's `skip` won't re-fetch them.
- Arms a fresh backfill on every Discord source.

The apply defaults to preview at both the route and the task, runs on maintenance_long, and is never on a beat. The card uses the confirm-dialog pattern of AttachmentReclaimCard.

Supporting refactors, with no behaviour change:
- gallery_dl.archive_path() is the single definition of the archive location.
- source_service.arm_backfill() is the mutation start_backfill already did, now shared with the sync repair.

Tests (tests/test_discord_repair.py):
- The archive clear leaves other platforms and Discord assets alone, and counting mutates nothing.
- Case-twin artist folders are both found.
- The folder sweep works.
- An integration run shows only the broken image goes. A correctly named Discord file and a `None` folder under Patreon survive, and only Discord sources are re-armed.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 20:52:32 -04:00
bvandeusenandClaude Opus 5 dc840feec7 fix: Discord downloads land as None/<date>_None_<name> with no post — name them from the keys gallery-dl really emits
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Operator report: a Discord source showed the wrong post time. Listing the real downloads found every Discord folder on the instance (7 artist folders, ~1,600 media) in a directory named `None`, as `<date>_None_<original name>`, next to sidecars named `<original name>.json`.

The real sidecar settles why:
- gallery-dl's discord extractor emits `channel` as a plain string, the message as `message_id`, and the attachment position as `num`. It has no `id` key.
- The patterns asked for `{channel[name]}` and `{id}`. gallery-dl renders a missing field as "None" and carries on.
- The sidecar was named `{filename}.json`, the attachment's ORIGINAL name. find_sidecar never pairs that with `<date>_None_<name>.png`, so no Discord file ever got a Post or a post date. The card fell back to downloaded_at.
- Every `image.png` in a channel also overwrote the same `image.json`.

Fix (gallery_dl.py):
- The directory is `{channel}`.
- The filename is `{date:%Y%m%d}_{message_id}_{num:>02}_{filename}.{extension}`, unique per attachment.
- A discord-scoped metadata postprocessor names the sidecar exactly like the media minus its extension, so find_sidecar's first candidate matches. A per-source filename override re-derives the sidecar name. save_metadata=False drops it.

Guard (tests/test_gallery_dl_naming.py) renders the patterns through Python's formatter against a sanitized copy of the real sidecar (same keys and types, invented values). A missing key or a subscript into a string raises, which is the loud failure gallery-dl doesn't give. A positive control shows both shipped patterns fail it.

Existing broken downloads are NOT repaired by this. gallery-dl's archive already records them, so a re-run skips them, and their collided sidecars no longer describe them. That repair is a separate, destructive step for the operator to decide on.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 20:01:11 -04:00
bvandeusenandClaude Opus 5 4b4e532c56 fix: the membership status vocabulary moves beside Membership, so the Patreon client never imports the roster
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240f11c made PatreonClient._membership import has_paid_access from membership_roster. test_gated_reason::test_no_fetch_path_can_read_the_roster failed on it, correctly: native_ingest_common is a fetch root, patreon_client is reachable from it, and no fetch path may be able to reach the roster. The roster is allowed to explain a skip, never to cause one.

MEMBERSHIP_STATUS and has_paid_access are pure platform knowledge with no database behind them. They move to native_ingest_common, next to the Membership type they interpret (the same move C7 made for Membership itself). membership_roster, membership_reconcile, patreon_client and the tests import them from there. There is no re-export from membership_roster.

The guard is unchanged. The lapsed-orphan skip from 240f11c stays as it was.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 16:07:26 -04:00
bvandeusenandClaude Opus 5 240f11c5aa fix: one lapsed membership to a deleted creator no longer fails the Patreon roster
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The first live sweep failed with "Patreon member resource has no campaign relationship". The operator ran FC's exact /api/members request in a browser and shared the response.
- It has 104 rows. The browser's settings page shows 43, because FC sends no membership-type filter and so also gets lapses back to 2016.
- Exactly one row has no `campaign` key at all: a former_patron whose membership ended in 2017. Its included reward has no campaign link either, so the creator's page is gone.
- Every other row, including the 4 is_active=false campaigns, has a campaign.

_membership returns None for a campaign-less row only when has_paid_access says it is definitely not paying (a known lapsed status, or a free member), and iter_memberships skips it. That changes no conclusion. A lapsed membership and an absent one both mean "not paying", and no Source can match a campaign with no id.

An active or unrecognised membership without a campaign still raises, because dropping a membership that might be paid would read downstream as a cancellation.

Paging still counts the rows the server sent, not the rows kept. A test pins that, so a skip can't re-read an offset or stop a page short.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 16:01:50 -04:00
bvandeusenandClaude Opus 5 dd766eb976 fix: the favicon and nav brand mark rendered blank — "--" inside an XML comment
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7ca6ee0's favicon.svg had a comment naming the `--fc-chrome-rgb` custom property. `--` is illegal inside an XML comment, so the file is not well-formed XML, and a browser renders an SVG-as-image only if it parses. It fails without any error, just a blank image. Because TopNav's brand glyph is the same file, the tab icon and the nav mark both went missing on the #251 deploy. logo.svg parses and was unaffected.

The comment now names the property without the hyphens, and says why it has to.

tests/test_public_svgs.py parses every SVG under frontend/public. It includes a vacuity guard (the directory really contains the two known files) and a positive control (the exact defect raises ParseError), so the check can actually fail.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 15:57:19 -04:00
bvandeusenandClaude Opus 5 e3c516d6be fix: a retired platform leaves the chip maps, and a fixture stops creating pixiv sources (406)
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e3fd8c6 failed two lanes, both on things pixiv's retirement correctly started refusing.

Unit - test_fe_be_contract pins platformColor.js's ICONS keys to known_platform_keys(). I had kept pixiv's icon, colour and label "so existing pixiv posts don't look broken". That was wrong, and the file's own header already said why: unknown platforms fall back to a grey chip with the raw key, and that fallback is deliberately what a retired platform hits - it is how a pre-3069 deviantart row already renders. So pixiv leaves all three maps, and its posts show as a grey "pixiv" chip rather than a broken one. The header now says outright that a retired platform is removed, never kept, since the milestone plan itself got this backwards.

Integration - four reassign tests built their fixture source through SourceService.create with platform="pixiv", which the validator now rejects. Reassign never reads the platform and never moves files, so any registered platform serves; the fixture uses hentaifoundry. 1294 other integration tests passed on e3fd8c6, so nothing else used pixiv through a validating path.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 11:52:06 -04:00
bvandeusenandClaude Opus 5 e3fd8c67d4 feat: switch pixiv off — unregistered, unreachable, and refused at dispatch (406 phase 1)
Milestone 406 retires pixiv (rule 171) in two phases at the operator's explicit ask: switch it off, then later delete its code. This is the switch-off. Steps 2 and 3 ship together because each is a half-state of the other: unregistered but still in the extension, pixiv creator pages would offer a button the backend then refuses.

Reachability removed, never gated (rule 22 - no flag, no `if platform == "pixiv"`):
- platforms registry: pixiv unregistered, so /api/platforms, the source validator and quick-add all refuse it through their existing unknown-platform paths.
- NATIVE_INGESTER_PLATFORMS: pixiv removed.
- extension_service: pixiv's quick-add URL pattern removed (the Python half of the JS mirror).
- extension: pixiv's host permissions, content-script match, platform entry and artist pattern removed; popup's pixiv branches removed; and the whole pixiv PKCE OAuth flow cut out of background.js. That last one could not wait for phase 2 - a webRequest listener on a host the manifest no longer grants is at best dead and at worst a startup failure for the entire background script. On startup the extension now also removes any pixiv refresh token a browser still holds in storage, for the same reason as the server-side credential cleanup (3980).
- frontend: the extension card stops listing pixiv; SourceActions' copy of the native list drops it. platformColor keeps rendering a pixiv key so existing pixiv posts do not look broken.

The guard, and why a registry change alone was not enough. A source outlives its platform: the live instance still had one ENABLED pixiv source (step 1). Tracing it: the scheduler only selects enabled rows and every platform lookup uses .get(), so a disabled row is inert - but re-enabling it and pressing Check would have routed pixiv, no longer native, straight into the gallery-dl branch, which still has a pixiv extractor. And a worker can pick up a still-enabled row before a deploy's migration runs. So run_download and verify_source_credential - the two functions every download and credential probe pass through - now refuse any platform not in the registry: an unsupported_url failure for downloads, and an inconclusive (None, not False) verify, since nothing was probed so nothing was rejected. Generic by registration, so it covers deviantart's leftovers too. Positive-controlled: a supported gallery-dl platform must still reach gallery-dl, or a guard that refused everything would pass (rule 167).

Migration 0097 disables sources on retired platforms (pixiv, deviantart) and clears their failure state exactly as disabling through the app does (1285), so the stale row stops being scheduled and stops showing as failing. Nothing is deleted: removing a source can collide with uq_post_artist_external_id_null_source on real data, which is phase 2's step 6 to check. No post or image is touched.

Tests: the known-platform lists drop pixiv and gain retirement assertions beside deviantart's; pixiv's positive extension cases become negative guards; the pixiv sidecar post-URL test is deleted with the behaviour it tested; quick-add rejects a pixiv URL. The pixiv client/downloader/ingester suites stay - that code stays until phase 2.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 11:45:49 -04:00
bvandeusenandClaude Opus 5 ef91fcfd26 feat: SubscribeStar joins the membership roster (387 D1)
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The second platform through the seam note 3970 contracted, characterized first from a live capture of the account's /subscriptions page (note 3989). The capture lives in the gitignored captures dir; the committed fixture is hand-built with invented values and was verified tag-for-tag against it - card wrappers, both table heads, and every distinct row shape - before any code depended on it.

What the page is, and the three decisions it forced:

The table IS the status. SubscribeStar has no per-row status word: a creator is either in the active_subscriptions card or the cancelled_subscriptions one. The card's data-identifier is stored verbatim as Membership.status and mapped in MEMBERSHIP_STATUS, keyed on the identifier rather than the table class because the cancelled table's class names the same list differently (for-unsubscribed_users).

The creator's numeric data-user-id is the key, not the slug. A slug re-keys when a creator renames; the old row stops appearing; and a disappearance is exactly what reconciliation reads as a lapse. Keyed on the slug, a rename would have told a paying subscriber they had cancelled. The slug rides as vanity, where the identity join already looks for a handle.

Price is kept as text, never parsed into amount_cents. A bare $ names no currency and a page price is not proven to be the charge - 3970 finding 4. Tier names live behind a per-row modal and are not fetched.

Refusals, because SubscribeStar offers nothing like Patreon's meta.pagination.total and every conclusion downstream is drawn from absence. The parser raises when: the active card is missing (auth error on a login/age wall, drift otherwise); a row lacks a numeric creator id or a creator link; anything renders after a card's table; or the page carries a page= link. Both cards are paginatable (app#embed_pagination) and the captured account was too small to show what pagination looks like, so possible pagination is a roster FC cannot prove complete. A loud error on a larger account beats a quiet half-list. A missing cancelled card is not drift, and a creator in both tables is reported once, as active.

Fetched from subscribestar.adult, not the .art the capture came from: FC's requests never clear the .art age wall with the 18+ cookie (1259, 1284). Whether /subscriptions on .adult authenticates exactly as .art did in the browser is untested - if not, the sweep records a visible error and C6 shows its unavailable rung.

The seam leak D1 found. Note 3970 promised a second platform would be one builders line plus the client method. The sweep instead called current_user_id() on every client, which only Patreon's has, so SubscribeStar would have raised AttributeError on the first sweep. roster_user_id probes it with getattr, the same way the sweep already probes iter_memberships.

Two existing tests were passing for the wrong reason and now can fail:
- "a platform that has never been characterised says nothing" named SubscribeStar, and stayed green only because active_patron is not a SubscribeStar word. Now uses hentaifoundry, with a positive SubscribeStar test beside it.
- the freshness test gave SubscribeStar a Patreon word, so the vocabulary excluded it and deleting the freshness gate outright would have left it green. It now uses cancelled_subscriptions, making the gate the only thing that excludes it.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-13 10:53:01 -04:00
bvandeusenandClaude Opus 5 529d4bff57 test: tie the install docs to the code they quote (3422 follow-up)
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3422 was already fixed. Commit 86abaf0 applied option 1 in full and it is on main: .env.example carries the bootstrap section with the backup warning, README explains the refusal and why it is deliberate, docker-compose forwards the variable, and the milestone-362 smoke gate that FOUND the bug now sets it (build.yml:1159) and passes. The issue's premise - "CURATOR_BOOTSTRAP_NEW_KEY appears nowhere outside backend/" - is stale.

What was left is the dependency that fix created. README.md and .env.example now both print the literal error text, the literal key path and the variable name, because a stranger greps for the string their terminal showed them. That is the right call and it means two user-facing files now depend on this module's wording with nothing connecting them - the install surface's characteristic defect, one rename away from a README that sends strangers to a path that does not exist.

Three guards, all presence checks on both sides. An absence check against prose would pass for the wrong reason the moment a sentence were reworded (snippet 3352):

  - the raised message still contains the sentence README reproduces, the variable both docs say to set, and the restore-rather-than-mint alternative the whole refusal rests on;
  - both docs still name _CREDENTIAL_KEY_PATH and the variable, read from the code rather than retyped, so a rename fails here;
  - compose still forwards the variable - without that line the docs' "set it in .env" is silently inert and fails identically to not setting it.

Option 2 (mint when the credential table is empty) is deliberately NOT done. The issue's own guidance is "(1) now, (2) if the friction proves annoying", and the friction has not been reported. Worth recording that its predicate checks out exactly: the Fernet key protects Credential.encrypted_blob and nothing else - no other Fernet user exists - so "no credential rows means nothing can be made undecryptable" is provable rather than probable. The cost is placement: create_app() is sync and constructs the key before any engine exists, so the check cannot live where the failure is. entrypoint.sh, which already runs alembic against the DB, is the natural seam. Only the web role is affected; the Celery roles build the key lazily inside tasks.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-12 21:31:21 -04:00
bvandeusenandClaude Opus 5 4533e036ac refactor: the membership seam's contract type is the seam's, not Patreon's (387 C7)
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Membership moves from patreon_client to native_ingest_common, beside PostRecordOutcome, for exactly the reason that one lives there: it is the seam's contract rather than the first platform's. Left where it was, D1 would have had to import the shape it implements from the module of the platform it is being mirrored FROM - which inverts the dependency and is how a seam advertised as portable quietly stays Patreon-shaped.

Found by C7's own pass, which is the point of running C7 before D1 rather than writing it up afterwards: this is invisible while there is only one implementer and load-bearing the moment there are two.

No behaviour change. Three files, no shim (rule 122): patreon_client imports it, the dataclass keeps its docstring, and the test imports from the seam's home. The docstring gains what the contract owes a second platform - that a missing field supplies the empty answer and never a guess: no tiers -> [], no pledge -> None (absent stays distinguishable from zero, since "free" and "we don't know" are different answers), no vanity -> None with identity falling back to the URL tail.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01SHQB1YukL3VyvMK8rcbmV9
2026-09-12 20:05:11 -04:00