Found because the project's lint step cannot fail: the Taskfile runs
'golangci-lint run ./... || echo "not installed -- skipping"', so a failing lint
prints that message and exits 0. CI's log showed these findings and still passed.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Zero is sent as zero (the field has no omitempty). The reconciler's measured accuracy
was at temperature 0, so it runs there; every other caller keeps 0.2.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
The reconciler was measured at temperature 0 but the client hardcodes 0.2. Zero must
be sent explicitly, and the default must not change for existing callers.
Red: WithTemperature is undefined.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
CompleteUpload writes it (SQL NULL when there was none, never the JSON text 'null':
the page claims a second opinion only if the column is non-NULL); GetUpload reads it,
List does not. Mutation-checked.
domain.go and the store are one commit: the store tests need the new field.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
JSONB, NULL for a single engine so the page cannot claim a second opinion. On the
already FORCE'd, RLS-scoped table, so the exact-set isolation test is unaffected.
Up and down are one commit: golang-migrate pairs them.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Counts and contested spots round-trip; a single-engine transcript has NO
reconciliation (nil, not empty -- the page must not claim a second opinion); a
skipped reconciliation keeps its reason.
Red: Transcription.Reconciliation is stored nowhere and UploadedTranscript has none.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Runs the fast engine then the other from one WAV and reconciles; one engine down
uses the other and says so; the model down gives the base text unreconciled; the
cloud fallback runs only when BOTH local engines fail and is recorded as such; a
cancelled job stops everything and never reaches the cloud. The endpoint lists every
contributor. Mutation-checked, including both cancellation points.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Mutation-testing showed each of the two cancellation checks was redundant with the
other in my first test. Now a cancel during the first engine must not start the second
or the cloud, and a cancel during the second must not be recorded as a single-engine
success ('kb-whisper failed').
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Both run in order (the fast one first) and are reconciled; identical texts cost no
model call; one engine down uses the other and says so, with the cloud fallback
untouched; only when BOTH local engines fail does the fallback run, and the row says
berget served it; both failing with no fallback reports both errors; a cancelled
job never reaches the cloud; a model that is down yields the base text unreconciled,
not a failed job.
Red: transcribe.Ensemble is undefined.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
whisper.cpp wraps at ~60 chars and can wrap inside a word; the response's text
field joins segments with newlines, so chat saw 'nyt' / 't godkännande'. Text
is now rebuilt from the raw segments: concatenated when any segment carries a
leading space (whisper.cpp), joined by a space when none do (berget's sentence
level), whitespace collapsed; the text field is only a fallback.
Checked against the first real one-hour transcript with pianissimo's vocabulary
as an independent yardstick: 36 spans changed, 31 now consist entirely of words
pianissimo also produced, words unknown to pianissimo fell 224 -> 177 and word
agreement rose 92.4% -> 93.1%. Five rejoined spans still contain an unknown
word (names/loanwords or an unlucky glue) -- a residual risk, small.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Found by comparing the first real one-hour transcript against pianissimo:
whisper.cpp wraps at ~60 chars and can wrap INSIDE a word. The continuation
segment has no leading space, the text field joins segments with newlines, and
a segment can be a lone '.'. Measured 2026-10-01: 7% of segments (96/1332) in a
synthetic hour, 42/1302 lines in the real one. My earlier tests used short
sentences and could not see it. berget's segments are whole sentences with no
leading space, so the two backends need different joins.
Red: Text still joins by newline.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Up and down are one commit: golang-migrate pairs them. RLS is unchanged: the
column is on the already-FORCE'd table, so the exact-set isolation test still
holds.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
The upload is attacker-supplied and its CONTENT can steer ffmpeg to open other
files or URLs (HLS/concat playlists). Pins -protocol_whitelist file,pipe and
-format_whitelist to the containers real recordings use, before the input
(after -i it would apply to the output).
Verified with the real static ffmpeg 7.0.2 on koala: real AAC .m4a and WAV
still probe/convert; a crafted concat file is rejected with 'Format not on
whitelist'. Note ffmpeg 7.0.2 ALREADY refused the playlists tried without the
whitelist, so the live check cannot prove the whitelist -- the argv unit tests
do; this protects against a different ffmpeg version being put in the image.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
A file's CONTENT can tell ffmpeg to open other paths or URLs (HLS, concat
playlists). ffmpeg 7.0.2 refuses the ones tried, but that is version luck and
the image's ffmpeg is still to be chosen (#34). Pin protocol_whitelist to
file,pipe and format_whitelist to the demuxers real audio uses, before the input.
Red: audio.AllowedDemuxers is undefined.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
chat.Request.MaxChars overrides the Service cap when positive. The 18,000-char
default (~22 min of speech) suits captions; an uploaded hour is ~50,000 chars
and truncation keeps only the head. This is reuse of the existing chat path,
not a fork.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
The 18,000-char default is ~22 min of speech and keeps only the head; an
uploaded hour is ~50,000 chars. Red: Request.MaxChars is undefined.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Replaces whisper-server --convert. A zero exit that wrote nothing is an error.
Also fixes the red test's stub, which wrote an empty file and so (correctly)
tripped the no-output check.
Checked against real ffmpeg on iguana with the same argv: AAC .m4a in,
pcm_s16le 16000 Hz mono WAV out, duration preserved.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
The httptest fake proves only what we THINK the gateway accepts. Skipped
unless TAPIR_LIVE_WAV and TAPIR_LIVE_GATEWAY_URL are set. Run once on
2026-10-01 with 11 min of synthetic Swedish (21 MB, above the 8-10 MB ingress
cap, via the NodePort): both iguana/kb-whisper (52.8 s) and berget/kb-whisper
(35.4 s) accepted the streamed, computed-Content-Length body and returned
usable verbose_json. Synthetic audio only; this repo is public.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Streams the WAV from disk with a computed Content-Length (no buffering, no
chunking), posts verbose_json with field `file` and language=sv, clamps the
final segment to the audio duration, and treats an empty transcript as a
failure. The chain falls back on ANY primary error, records the serving
endpoint, and never falls back once the context is cancelled.
gateway.go and chain.go are one commit: the chain's tests use the gateway's
StatusError and ErrEmptyTranscript, so neither compiles alone.
Mutation-checked: field name, clamp, cancel-fallback, content length and the
recorded endpoint each turn a test red.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Gateway: field is `file`, no Expect header, a computed Content-Length (not
chunked, not buffered -- a 90 min WAV is ~170 MB), verbose_json normalised
with the last segment clamped to the audio duration, errors independent of
the body, an empty transcript is a failure. Chain: ANY primary failure falls
back and the row records the fallback endpoint; a cancelled job never falls
back to the cloud.
Red: package transcribe does not exist.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Cover art is not video; non-zero exit is the file's fault (ErrUnreadable),
a missing binary / cancelled ctx / bad output is ours. WaitDelay bounds a
cancelled probe whose child holds the pipe open.
Checked against real ffprobe on iguana: JSON shape matches the fixtures and
/etc/hosts exits 1 with 'Invalid data found when processing input'. The unit
tests drive a stub process; ffprobe is not installed on koala.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Create/Start/Complete/Fail/Get/List plus the start-up sweep that fails
unfinished rows as interrupted (audio is not retained, so no resume). Every
call goes through withUser AND names user_id in its predicate, so isolation
does not rest on RLS alone and stays testable under the superuser test
connection; a non-owner gets ErrUploadNotFound, never a distinct forbidden.
List drops transcript text.
Mutation-checked: removing the user predicate from Get or from the UPDATEs
turns the cross-user tests red.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Lifecycle queued -> transcribing -> done|failed, per-row serving endpoint,
segments JSONB round trip, owner-only get/write (not-found, not forbidden),
list without transcript text, and the start-up sweep that fails unfinished
rows as `interrupted` for every user (audio is not retained, so no resume).
Red: CreateUpload and friends are undefined.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Separate table, not a user_id on the shared transcripts (ADR-021). ENABLE +
FORCE ROW LEVEL SECURITY with the migration-003 policy, user_id NOT NULL
ON DELETE CASCADE, typed error_kind, per-row serving endpoint, JSONB segments.
CHECK constraints: done => content, failed => error_kind.
Up and down are one commit: golang-migrate pairs them.
Mutation-checked: dropping FORCE, the policy, or the cascade each turn a test
red. FORCE is only observable structurally -- the app role is not the table
owner, so no behavioural test can see it.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Drives RLS directly as the non-superuser app role: deny-all with no scope,
own-rows-only scoped reads, zero-row cross-user UPDATE/DELETE, rejected
cross-user INSERT, FORCE + NOT NULL user_id, cascade on DeleteUser. Also pins
the EXACT set of public tables with row security off, so a new table added
without RLS fails CI rather than passing it (ADR-033). The existing test only
named transcripts; #33's "the only non-RLS table" is false -- invitations,
user_identities and schema_migrations are off too.
Red: relation "uploaded_transcripts" does not exist. Set test passes today
and guards the migration that follows.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
The up/down migration tests stepped a hard-coded number of Steps(-N)/Steps(+N)
down from HEAD and back. The counts assumed a specific latest migration, so
adding one shifted every count by one and unrelated tests (010/011/014) went
red with confusing off-by-one symptoms — a papercut on every new migration.
Drive the schema to an exact version with m.Migrate(version) via two helpers
(headVersion, migrateTo). Each test now steps to just below its target by
version, asserts the down effect, steps up to the target, asserts the up
effect, then restores to the captured HEAD. A migration added on top changes
HEAD but shifts no count, so no test needs editing.
Verified by adding a throwaway migration 017 on top: all four tests stayed
green with zero edits.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015QbdxXWxLefS5AwLN5eyze
Wire the metrics package into the live paths and serve it:
- summarizer: per-endpoint latency by model/outcome(success|error|parse_error)/fallback + slog.
- youtube.FetchTranscript: latency by outcome (captions|none|rate_limited) + slog.
- chat: answer latency by model + slog.
- llm usage hook → token counts (prompt|completion) per model, wired in buildSummarizer/buildChat.
- oidc callback: login counter.
- cmdServe: wrap Router in metrics.HTTPMiddleware (request count + latency by bounded
route pattern) and serve /metrics on TAPIR_METRICS_ADDR (default :9090), a SEPARATE
port — never on the public app mux.
BDD: observability.feature scenarios un-pended + mapped. TDD: summarizer wiring tested
black-box via the /metrics scrape; metrics-not-on-public-mux asserted.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
WithUsageHook callback fires with model + prompt/completion tokens parsed from the
response usage block. Keeps the copied stdlib-only llm package decoupled from
metrics (ADR-004) — the caller wires it to internal/metrics. TDD covered.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
