DGX re-diarization + resilience, LanceDB search parity, viewer Tier-3 validation + test push#969
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…he (#947) + DGX whisper resilience Three related pieces for the #876 prod corpus re-diarization, plus a DGX investigation writeup. All unit tests pass; the only open item is an operational DGX-box CUDA issue (see #948), NOT a code defect. #946 — strict existing-only migration mode (reprocess_existing_only + GUID filter in scraping.py + extract_item_guid + migrate-diarization target). Also fixes a per-feed _build_config bug that dropped ADR-096/#814/#926 DGX routing fields (transcription_fallback_provider/diarization_provider/dgx_diarize_*). #947 — durable GUID-keyed raw-audio cache (utils/audio_cache.py) + cache-aware _download_or_reuse_media + pipeline_stage=download_only + download-audio target. Validated: 10 cached, reprocess = 10 cache HITs / 0 feed fetches. DGX whisper resilience (whisper_provider.py): duration-scaled timeout + single-flight lock + smart retry (conn-blip retries w/ backoff; timeout falls back without re-queuing). New dgx_* config knobs. DGX compute-type investigation (#948): fp16/bf16 error on GB10 build, int8 slow, default(->fp32) is the working path; nvidia-smi unreliable on GB10. Tests + test-ordering flake fix; docs/wip/REHEARSAL-876-findings-20260609.md. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Source-builds ctranslate2 4.8.0 against CUDA 12.8 with sm_120 PTX so
the GB10 (compute_cap=12.1 / sm_121) driver can JIT-compile forward at
first kernel launch. Replaces the upstream :latest-cuda tag's bundled
CPU-only ctranslate2 4.5.0 (the upstream tag is misleading — the .so
has no CUDA symbols, faster_whisper raises "not compiled with CUDA"
when device=cuda).
Validated: 5-min clip transcribes in 8.25s wall-time (36.4× realtime)
vs ~103s on CPU (2.9× realtime).
New: infra/dgx/speaches-gb10/{Dockerfile,README.md}
- Two-stage Dockerfile (nvidia/cuda:12.8.0-devel builder → speaches
runtime). Builds in ~3 min on DGX once apt/git cache populated.
- README explains the incident timeline, build flags, validation
commands, operational notes.
deploy.py: pyinfra recipe now ships the Dockerfile, runs docker build
locally (idempotent via layer cache), regenerates /etc/cdi/nvidia.yaml
(nvidia-container-toolkit 1.19.1 needs CDI spec to inject GPU correctly
in mode=auto), and references the local-built image tag. Drops the
upstream `docker compose pull` step since we build locally now.
verify.py: adds two assertions that would catch the silent CPU
fallback that triggered #948:
- /etc/cdi/nvidia.yaml present + nvidia-ctk lists nvidia.com/gpu=all
- ctranslate2 inside faster-whisper sees the GB10 on cuda
(assert get_cuda_device_count() >= 1)
Idempotency tested: `make dgx-deploy` re-run is a no-op via Docker
layer cache. `make dgx-verify` passes all 11 assertions.
Why this lands on this branch: the #946 work (audio cache + duration-
scaled timeouts + single-flight provider) was the consumer-side
resilience that made the silent CPU fallback survivable. This is the
producer-side fix that closes the loop.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The pyannote diarize client hung ~2h during a co-tenant vLLM crash-loop on the shared GB10: httpx's read/write timeout never fired because the 60MB multipart upload trickled and kept resetting the per-write timeout. Rather than patch the diarize client alone, extract a shared DGX resilience layer both it and the #946 Whisper client consume, so they can't drift. New `providers/tailnet_dgx/resilience.py`: - `run_with_watchdog()` — hard wall-clock deadline in a daemon thread. The actual hang-fix: guarantees fail-over even when httpx's own timeout doesn't fire. Orphaned worker is a daemon (holds one connection, never blocks exit). - `CircuitBreaker` — trimmed-down port of `rss/http_policy.CircuitBreaker` (rolling-window -> open(cooldown) -> half-open probe), with a `hard` immediate-trip for definitive timeouts so a wedged batch doesn't pay the full timeout on every episode. Named + logs open/close for ops visibility. - `effective_timeout_sec()` / `probe_audio_duration_sec()` — duration-scaled budget (soundfile-based; graceful None without the [ml] extra). - `TimeoutLike` — shared timeout-class tuple. Both providers now: duration-scaled timeout + single-flight + bounded retries (timeout -> fail-over without re-queue; connection blip -> backoff) + watchdog + per-endpoint breaker. Whisper gets the same treatment for parity (same GPU, same hang vector). Diarization-specific tighter timeout via new profile-only config `dgx_diarize_request_timeout_sec` (180) / `dgx_diarize_timeout_per_audio_minute_sec` (6) — pyannote is far faster than Whisper so the budget (and a half-open probe) stays cheap. Tests: `test_tailnet_dgx_resilience.py` (20: breaker FSM, watchdog real-thread, timeout math, probe-None) + diarize/whisper provider suites extended with breaker-open / watchdog-hang / timeout-no-requeue cases. Fixed a pre-existing 15s whisper test (unmocked backoff sleep) -> 0.7s. flake8/mypy/test-policy clean. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…953) The GB10 Speaches/ctranslate2 path is being sorted out, so the DGX Whisper client is temporarily pointed at the openai-whisper service on :8002 (model id `large-v3`) instead of Speaches on :8000 (`Systran/faster-whisper-large-v3`). Validated end-to-end: a 91.6s clip transcribes in ~9.8s; health green. Revert tracked in #955 (restore :8000 / Systran model when Speaches is back). A dated comment block in the profile flags exactly which two lines to revert. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Complements the mocked-transport unit suites: runs the real httpx path over a loopback socket against a throwaway stub mimicking the faster-whisper + pyannote services. Proves the production failure end-to-end — a *hanging* socket (httpx's own timeout never fires because the upload trickles) is abandoned by the hard watchdog and fails over — plus happy-path round-trip, HTTP 503 fail-over, and the breaker tripping so the next call skips the socket. Self-contained (own http.server, not the shared e2e server) so it can't perturb the e2e suite. Component-level (provider vs local server) → integration tier. 7 tests, ~5s. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Closes the last gap: no e2e test drove the tailnet DGX providers at all (the
existing whisper/diarization e2e tests use the local/cloud paths). Adds the DGX
endpoints to the shared e2e mock server and a provider e2e suite that runs the
real TailnetDgx{Whisper,Diarization}Provider over real httpx against it with a
real audio payload.
e2e_http_server.py (additive + one correctness fix):
- GET /v1/models + /health — faster-whisper + pyannote health/model probe.
- POST /v1/diarize — canned two-speaker pyannote result.
- /v1/audio/transcriptions now honours the requested response_format: json /
verbose_json get a proper JSON body (what the OpenAI SDK *and* the DGX client
both request and parse) instead of text/plain; text/unspecified unchanged.
Verified the openai/basic/capabilities transcription e2e suites still pass.
- dgx_host_port() URL helper.
test_tailnet_dgx_e2e.py: happy round-trip (transcribe verbose_json + diarize)
plus the production failure modes via the server's set_error_behavior injection
— a hanging socket (delay) is abandoned by the watchdog and a 5xx fails over,
asserting the breaker trips. 6 tests.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…913) OpenAI `verbose_json` returns timestamped Whisper-format segments and the audio is downloaded locally (for the API upload), so the existing local pyannote second pass — `apply_diarization_to_result(result, media_for_transcription, ...)`, which is provider-agnostic — can diarize + align it, exactly like whisper / tailnet_dgx_whisper. Previously `diarize`/`screenplay` were silently coerced off for openai by design; this makes them work. - `_DIARIZATION_ELIGIBLE_TRANSCRIPTION_PROVIDERS` gains `openai` (Gemini/Mistral stay out — they emit plain text, no segments; deepgram self-diarizes). - **Opt-in, not default-on.** Since `diarize` defaults True, simply making openai eligible would flip diarization ON for *every* openai run (21 e2e/integration files + the production cloud profiles) — a broad, surprising change needing an HF token. New `_DIARIZATION_DEFAULT_ON_TRANSCRIPTION_PROVIDERS = {whisper, tailnet_dgx_whisper}`: eligible-but-not-default-on providers (openai) keep diarize OFF unless explicitly set. So existing openai behavior is unchanged; cloud_balanced / cloud_thin opt in with `diarize: true` (documented in both). - Coercion log messages now reference the eligible set dynamically (no drift). - Tests: new test_diarize_openai_eligibility.py (eligible + opt-in default-off + explicit-true respected + whisper still default-on + gemini/mistral coerced). Repointed 3 #562 screenplay-coercion tests from openai → gemini (openai no longer coerces). flake8/mypy/openai-integration(96) green; openai e2e unchanged. Distinct from the #876/#946/#954 work also on this branch — self-contained, cherry-pickable to its own PR. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Unit layer of a graph-UI test push (follows the #914 coverage gate). Adds/extends Vitest tests for the lowest-covered graph modules and fixes a latent bug surfaced along the way: - NEW store tests: graphNavigation (25%→~100%), graphExpansion (40%→100%), graphExplorer (52%→100%). - EXTENDED: graphHandoff store (57%→100% stmt), cyGraphLabelTier (33%→100%), graphLensLabels (37%→100%), graphEpisodeSelection (58%→97%), graphEpisodeMetadata (65%→100% stmt). - +241 tests (847→1088); overall viewer coverage 77→82.5% stmt / 68→72.9% br / 76.5→85% fn / 79→84.3% ln — comfortably above the #914 gate. Bug fix (graphEpisodeMetadata.ts): `resolveEpisodeMetadataFromLoadedArtifacts` threw a TypeError (`(... ).trim()` on undefined) when an artifact had no `sourceCorpusRelPath` and the parallel `selectedRelPaths[i]` was missing. Both operands are already trimmed, so the outer `.trim()` was redundant; coalesce to '' and skip gracefully. Test updated to assert the graceful null. Logic-only layer (the repo tests UI behavior via Playwright e2e, not @vue/test-utils mounting). Component + e2e layers to follow. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
… tests Component layer of the graph-UI test push. Introduces the repo's first real @vue/test-utils mount harness (the prior "component test" only read .vue source as text) and mount-tests the cheap/high-value graph components; the cytoscape-heavy containers (GraphCanvas, GraphTabPanel, GraphNodeRailPanel) are left to the e2e layer. - New dev dep: @vue/test-utils. Pattern: happy-dom + setActivePinia + mount with data-testid queries + real stores; heavy children/cytoscape stubbed via global.stubs (see GraphDegreeChip.test.ts as the reference). - ~146 component tests across: chips (Degree/Edges/Types/Feed/Sources), GraphStatusLine (both variants), HandoffErrorStrip, GraphBottomBar, GraphConnectionsSection, NodeDetail, GraphFilterBar, GraphGestureOverlay. Bug fix (GraphGestureOverlay.vue): the overlay root <div> never bound `ref="overlayRootRef"`, yet the Escape-key handler reads `overlayRootRef.value` and bails (`if (!root) return`) — so Escape-to-dismiss silently never worked in production. Bound the ref; the new test asserts Escape now dismisses when focus is outside the dialog. Note: mounting components pulls the .vue files (and transitive imports) into the v8 coverage denominator (5229→7004 statements), so overall % shifts to a more honest, lower baseline that exposes undertested components — still above the #914 gate (stmt 77.9/br 68.3/fn 82.1/ln 79.5 vs 75/65/73/76). 1234 tests green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
First slice of the app-wide test push (after the graph-UI push). The api/ layer was the biggest gap; all eight wrappers are now fully covered: - exploreApi 0→100%, artifactsApi 10→100%, corpusMetricsApi 32→100%, operatorConfigApi 40→100%, searchApi 58→100%, corpusLibraryApi 71→100%, cilApi 73→100%, relationalApi 82→100%. - +~123 tests (1234→1357). Each covers request URL/method/body building, query-param trimming/clamping/omission, response parsing/normalization, pagination/cursor, and every error branch (non-ok + text, HTTP-status fallback, network throw, malformed JSON). Overall viewer coverage: stmt 77.9→79.6 / br 68.3→69.7 / fn 82.1→83.7 / ln 79.5→81.1 — above the #914 gate. No bugs found; no source changed. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Second app-wide slice. Lifts the lowest-covered Pinia stores: - corpusLens 44→100%, explore 60→100%, subject 76→100% (stmt + functions), artifacts 33→95% stmt / 81% br / 98% fn (the large central store — load paths, display-artifact build, selection, sibling-merge, topic-cluster overlay; api modules mocked, local-file paths via constructed File objects). - +~143 tests (1357→1500). Overall viewer coverage: stmt 79.6→83.7 / br 69.7→72.5 / fn 83.7→87.7 / ln 81.1→85.2. No bugs found; no source changed. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Third app-wide slice. Lifts the lowest-covered util/helper modules: - formatDuration 47→100%, corpusFeedRowDisplay 73→100%, readApiErrorMessage 75→100%, feedRunLinking 77→100%, cyCoseLayoutOptions 76→100%, pipelineJobLogSummary 78→98%, humanizeJsonDocument 79→99%. - +~175 tests (1500→1675). Pure-function coverage: every branch + edge case (zero/negative/huge/fractional/non-finite, null/undefined/empty, malformed JSON, circular refs, all formatting/parse branches). Overall viewer coverage: stmt 83.7→84.9 / br 72.5→74.3 / fn 87.7→89.0 / ln 85.2→86.5. No bugs found; no source changed. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The graph-UI + app-wide test push lifted viewer coverage well past the original #914 floor (75/65/73/76). Ratchet the gate to a floor a few points below the new baseline (stmt 84.9 / br 74.3 / fn 89.0 / ln 86.5) so the gains can't silently regress: statements 75→82 · branches 65→71 · functions 73→86 · lines 76→84 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Fourth app-wide slice: mount-tests the cheap/high-value non-graph .vue components via the @vue/test-utils harness (chips, filter bars, feature panels, shared widgets). Deferred: the dashboard chart-lib wrappers (low-value mount tests; their data transforms live in tested utils) and the big container views (DashboardView/DigestView/LibraryView/SearchPanel — already e2e-covered). - +266 tests across 22 components: explore (More/Text chips + FilterBar), library (Clustered/Feed chips + FilterBar), search (DocTypes/More/TopK chips + FilterBar + ResultCard + SemanticSearchTip), shared (DateChip, CollapsibleSection, DiagnosticRow, CilTopicPillsRow, PodcastCover 0→covered, HelpTip 4→covered), episode (BridgePartition, DetailPanel), subject (TopicEntityView). +252 net (1675→1927). - api modules mocked, charts/cytoscape/heavy children stubbed, real stores. Mounting these pulls more .vue + transitive imports into the v8 denominator (7004→8088 statements), so overall % holds while honestly covering far more of the component tree — still above the ratcheted #914 gate (stmt 84.6/br 74.2/ fn 89.2/ln 86.2 vs 82/71/86/84). 1927 tests green, typecheck clean. No bugs found. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Final component slice. Mount-tests the central shell orchestrators + the remaining shared dialogs/widgets: - shell: StatusBar (corpus-path input, health/index dots, sources+config+feeds dialogs, version-warning), LeftPanel (search/explore surface switch, focusQuery), SubjectRail (kind-routing to episode/graph-node/topic/person panels + event re-emission + main-tab neighbourhood wiring). - shared: TranscriptViewerDialog (4→covered: load/highlight/error/audio/segments, dismiss paths), TopicTimelineDialog (open/sort/states/dismiss), HoverRichTip (hover/focus show-hide timers, Esc, teleport teardown). - +135 tests across 6 components. api/cil/feeds modules mocked, heavy children stubbed, real stores. No bugs found; no source changed. Gate green at the ratcheted floor. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The earlier ratchet (82/71/86/84) was set against the logic-layer baseline, before the component mount-test waves. Mounting container components pulls their whole transitive .vue import tree into v8's (no-`all`) denominator, so the headline % settled lower at the full-tree scope (stmt 81.1 / br 69.4 / fn 80.5 / ln 82.8) even though absolute coverage grew. Set the floor a few points below that honest baseline so CI's viewer-unit coverage gate passes and still guards against regression: statements 82→78 · branches 71→66 · functions 86→77 · lines 84→80 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The viewer's test tiers (Vitest unit/component + #914 coverage gate, mocked Playwright e2e, Tier-3 real-corpus validation walk) and corpora were scattered across ADR-095 / RFC-086 / e2e/validation/README — hard to answer "what graph tests exist and how do I run them?" quickly. - New web/gi-kg-viewer/TESTING.md: operator quick-ref — every tier, command, graph-subset filters, corpora (synthetic validation vs BYOC), the coverage gate, and the RFC-086 matrix rule. Links the existing E2E_SURFACE_MAP + validation README (no duplication). - TESTING_STRATEGY.md (Browser UI E2E) + E2E_TESTING_GUIDE.md: add the missing Vitest coverage gate + Tier-3 validation walk and point to TESTING.md. - viewer README: add a Testing section pointing to TESTING.md. make docs passes (strict). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The committed synthetic validation corpus ships only the pre-built top-level API JSONs and is missing the raw feeds/*/metadata/*.gi.json artifacts that the live serve-api computes episodes from. The real-corpus walk against it returns an empty Library and fails ~30 handoff specs. Documented as a known gap (with the regenerate-and-commit fix) so operators run the walk against a BYOC/prod corpus until the fixture is regenerated. Tracked separately. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The synthetic-corpus real-backend walk failed 30/34 specs with an empty
Library. Root cause: the Makefile + TESTING.md pointed CORPUS_PATH at the
version-LESS parent `tests/fixtures/viewer-validation-corpus`, but the raw
`feeds/<feed>/metadata/*.{metadata,gi,kg,bridge}.json` artifacts that serve-api
computes episodes from live under the FIXTURES_VERSION subdir (`.../v2`).
`discover_metadata_files()` returns 0 at the parent and 23 at `.../v2`, so the
Library rendered no episodes and every handoff spec failed on the first
row-click. The corpus itself was always valid — nothing was missing.
- Makefile: new `VIEWER_VALIDATION_CORPUS` var derived from FIXTURES_VERSION,
wired into ci-ui-validation / serve-for-validation / build-validation-index
so the documented path always includes the version dir.
- TESTING.md: corrected the run command (derives the version), the corpus-table
row (it's two layers — raw feeds/ + pre-built corpus/*.json), and replaced the
earlier incorrect "missing artifacts" note with the version-dir caveat.
Verified: `make ci-ui-validation CORPUS=.../v2` → 30 passed / 1 skipped (was 30
failed). After `make build-validation-index`, the two index-dependent specs
(P1.3 digest topic-band, P4.2 digest band) also pass → 32/33. The remaining V4
(dashboard topic-cluster chip) fails identically on the real prod-v2 corpus too
— a pre-existing handoff gap, tracked separately, not a corpus issue.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…ema-version self-heal Two coupled fixes so the LanceDB two-tier hybrid path behaves like FAISS across every surface that applies a date bound. **publish_date parity (the digest topic-band regression).** The shared `_hit_passes_cli_filters` drops any hit lacking `publish_date` when `since` is set. FAISS rows carry it; lance rows did not — so every hybrid hit was dropped whenever a `since` bound was passed. The digest topic-band search ALWAYS passes one (window=all → since=1970-01-01), so a corpus served via lance returned 0 topic-bands where FAISS returned them (Tier-3 P1.3/P4.2). Masked in prod only because prod still ships the legacy `lance_native/` dir → silent FAISS fallback. Fix: store `publish_date` on the segment/insight/aux docs (schema + dataclass), populate it in both index paths (native `index-two-tier` + the FAISS→lance migration), and surface it from the row payload into hit metadata. **Schema-version self-heal.** Adding a column makes pre-existing lance indexes incompatible, and there was no version on the index to detect that. Add `LANCE_SCHEMA_VERSION` (now 2) stamped into `index_meta.json`, plus `stored_schema_version()` / `lance_index_is_stale()`. Wire the staleness check so old indexes self-heal: - read path (`hybrid_candidates`) skips a stale index → FAISS fallback (never serves results from an incompatible schema); - (re)index moments rebuild rather than upsert into incompatible tables: `build_two_tier_index` + `migrate_faiss_to_lance` wipe-if-stale, and migration 0002 rebuilds a stale index instead of no-op. Staleness requires positive evidence (meta present, version < code); a missing meta is treated as not-stale so the read path's own try/except governs. Tests: publish_date carried through hybrid hits; stale index detected + read falls back to FAISS; 0002 rebuilds a schema-stale index. Full search + upgrade suites green (240 passed); mypy clean. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…index The Tier-3 validation harness was FAISS-only; reflect the current search layer so the walk exercises the real hybrid (BM25 + dense + RRF) path and matches prod's two-tier layout. - Makefile build-validation-index: add `cli index-two-tier` (lance_index) between the FAISS build and topic_clusters. Now builds all three, documented inline with what each unlocks (V3 semantic search; V2/V4 topic clusters; hybrid serving). - TESTING.md: document the one-time `make build-validation-index` step, the three search artifacts + what each unlocks, and that the "1 skip" is V3 when no vector index is present. Corpus table now notes the raw `feeds/` + pre-built layers. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…r-3 V3)
Second FAISS-parity gap on the hybrid path, same shape as the publish_date one.
The viewer's "Show on graph" affordance (ResultCard) is gated on
`graphNodeIdFromSearchHit`, which reads `metadata.source_id` — the canonical graph
node id (`topic:…` / `entity:…` / `insight:…` / `quote:…`) — for the focusable
tiers (insight / quote / kg_topic / kg_entity). FAISS rows carry it; lance rows did
not, so a search served via LanceDB rendered no graph handoff and Tier-3 V3
("Search → Show on graph") timed out waiting for the button.
Fix: store `source_id` on the insight + aux docs (schema + dataclass), populate it
in both index paths (native `index-two-tier` + the FAISS→lance migration), and
surface it from the row payload into hit metadata. Folded into LANCE_SCHEMA_VERSION
2 (the unshipped parity bump) alongside publish_date.
Verified: `source_id` flows through hybrid hits (topic:technology, entity:…,
insight:…); Tier-3 V3 passes (handoff status "applied"). Search + upgrade suites
green (238 passed); parity regression test asserts both publish_date + source_id.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
… FAISS
Test-evolution for "less FAISS, more LanceDB": the Tier-3 walk exercised the search
path but never asserted WHICH backend served it, so a stale/broken lance_index that
silently degraded to FAISS would pass unnoticed. V6 hits /api/search directly and
proves the LanceDB two-tier hybrid (BM25 + dense + RRF) is live:
- RRF score signature: max(score) < 0.1. FAISS returns a cosine similarity (top hit
≈ 1.0); LanceDB returns fused RRF scores 1/(60+rank). This is the definitive
discriminator.
- two-tier provenance: every hit carries source_tier ∈ {insight, segment, aux}.
- hybrid-only response fields present: lift_stats, query_type.
Verified both ways: passes on the lance index (maxScore 0.031); FAILS when
lance_index is removed (FAISS fallback → maxScore 1.0), so it's a real provenance
guard, not a no-op. Full Tier-3 walk now 34/34 green (V1–V6 + handoff matrix).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
… provenance Fold this session's lance/search learnings into their existing owner docs (no new files): - RFC-090 §10 (new): the metadata-parity contract (any consumer field must be on both backends — publish_date for date filters, source_id for graph handoff), LANCE_SCHEMA_VERSION self-heal (stale → read skips to FAISS, reindex rebuilds), and the V6 provenance guard. - SEMANTIC_SEARCH_GUIDE: operator subsections "Telling which backend served a query" (RRF score < 0.1 vs FAISS cosine ≈ 1.0; source_tier/lift_stats/query_type) and "Metadata parity + schema versioning", incl. the legacy lance_native/ → FAISS-fallback gotcha and the reindex fix. - e2e/validation/README: add the V6 scenario row. make docs (mkdocs strict) passes. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The default corpus-graph auto-load cap bounds usable graph size because the `cose` layout is ~O(n²) (stress test: 100 episodes ≈ 2861 nodes ≈ 134s layout). Bump the interim ceiling to 25 (~930 nodes, ~6-8s) and document the tradeoff + the stress-test numbers inline. Raising it meaningfully is gated on the large-graph layout (cose→fcose) + selection-persistence work tracked in #967. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…close (#956) #956's core symptom (a DGX request hanging after the server returned 200) is already handled by the #954 `run_with_watchdog` hard wall-clock deadline. This adds the two transport-level defences from #956 that actually FIT a long-blocking upload, via a shared `dgx_http_client()` factory both providers now use: - **TCP keepalive** (`keepalive_socket_options`): SO_KEEPALIVE + a ~30s/15s/4-probe schedule so a socket whose underlying path died mid-request (e.g. a Tailscale path switch) is reaped in ~90s instead of the OS default (2h on macOS) — turning an indefinite hang into a prompt connection error the provider fails over on. Built defensively (Linux TCP_KEEPIDLE vs macOS TCP_KEEPALIVE, each hasattr-guarded). - **Connection: close** so the server tears the socket down after the response. Deliberately NOT added (don't fit long-blocking DGX calls): - per-read timeout — these POSTs stream zero bytes during the multi-minute GPU run, so any read deadline shorter than processing false-aborts a healthy call; the duration-scaled watchdog is the correct backstop. - urllib3 Retry adapter — we're on httpx, and retries are already handled by the provider loops + circuit breaker. - Connection-reuse concerns — moot; each request uses a fresh client. Both providers migrated to `dgx_http_client`; whisper's now-redundant httpx import-guard removed. #956 Tier-1 (async job submission) is server-side, deferred to the DGX chapter. 38 DGX unit/integration/e2e tests green; mypy clean. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
) Follow-up to the cap bump: graphEpisodeSelection.test.ts pinned the constant at 15. Update to 25 (the interim ceiling pending the large-graph layout work #967). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The Tier-3 validation walk writes generated Playwright artifacts (incl. error-context.md) to web/gi-kg-viewer/validation-results/ — the same class as test-results/ and playwright-report/, which lint-markdown already ignores. It was missing from the ignore globs, so a left-over artifact (e.g. from a deliberately failing run) failed `make lint-markdown`/`make ci`. Already gitignored; align the markdownlint ignores to match. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…ilure interrogate (the `make docstrings` 100% gate) flagged these two methods from the #954 resilience layer — they predate the first full `make ci` on this branch (targeted test runs don't run interrogate). Document the state transitions. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Removing whisper_provider's local httpx import-guard (now that the client is built in dgx_http_client) lost the friendly "httpx required" RuntimeError that test_transcribe_dgx_requires_httpx asserts — the raw ImportError surfaced instead. Move the guard into the shared factory so both providers get the actionable error. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…obal pollution) The #947 GUID-keyed audio cache defaults to a repo-relative global dir (`.cache/audio`, enabled by default). With no test isolation, tests both pollute that shared cache and read each other's downloads — and a stale GUID hit silently masks failure-injection tests: `test_chaos_run_index_records_failed_episode` 404s e03's audio expecting the episode to fail, but a previously-cached e03 (from a sibling test / prior run) produced a cache HIT, so e03 transcribed and was never recorded as failed (`episodes_failed == 0`). Passed on main (no cache existed), broke here — caught by the first full `make ci` on the branch. Add an autouse conftest fixture redirecting `DEFAULT_AUDIO_CACHE_DIR` to a per-test `tmp_path/audio` (basename kept `audio` so `test_default_dir` holds). Tests passing an explicit `audio_cache_dir` are unaffected. Verified: full e2e error-handling class + both #947 cache suites green (27 passed), and tests no longer write to the global `.cache/audio`. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…lears-focus) The viewer test push added `ref="overlayRootRef"` to activate the overlay's capture-phase Escape listener (Escape-to-dismiss). That was untested-in-e2e and conflicts with the core "Escape clears focus" contract: on cold-start the overlay is up, so its Escape handler intercepts the key (preventDefault + dismiss) before `graphHandoff.focusCleared()` runs — H1.12 (Escape bumps the handoff generation) failed on firefox (post-handoff activeElement lets the overlay claim the Escape). Revert the one-line ref add so GraphGestureOverlay.vue matches main exactly (overlay still dismissed via its button / backdrop click), and drop the unit test that asserted the reverted Escape-dismiss path. H1.12 passes on firefox again; the overlay's other 14 unit tests stay green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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…ction) CodeQL flagged the os.path.isfile / open sinks in the new stored_schema_version helper: meta_path derived from a corpus path (user-provided via the API) without the sanitiser chain the rest of this file uses. Confine the CONSTANT "index_meta.json" subpath under the resolved root via safe_relpath_under_corpus_root → normpath_if_under_root (same Type-1 pattern as read_index_meta), so CodeQL sees the path as sanitised. Behaviour unchanged (v2→not-stale, v1→stale, absent→None); 18 search/upgrade tests + mypy green. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…ersion (#969) CodeQL #360/#361/#362 — the os.path.isfile / open sinks in stored_schema_version. Identical Type-1 cross-function pattern to read_index_meta (#338/#342): meta_path sanitised via safe_resolve_directory -> safe_relpath_under_corpus_root (constant index_meta.json) -> normpath_if_under_root, corpus root route-confined by resolve_corpus_path_param. CodeQL can't model helper-based sanitisers. Dismissed via gh api per the registry policy; code already uses the prescribed chain. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…ift FP, #969) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Bundles several related workstreams. Full
make ciis green locally (fast gates → full pytest 4444 + integration + e2e → test-ui + test-ui-e2e → build-viewer → coverage-enforce → docs → build → Docker stack-test).DGX re-diarization + resilience
:8002.resilience.py:run_with_watchdog(hard wall-clock deadline — the real fix for hangs-after-200, since httpx's own timeout never fires under a co-tenant GPU stall),CircuitBreaker, duration-scaled timeouts; e2e (mock-server) + real-socket integration tests.dgx_http_clientfactory: TCP keepalive (~90s dead-socket detection vs the 2h OS default) +Connection: close. Reconciled against Diarization client needs duration-scaled timeout + single-flight (parallel to #946 whisper) #954 (per-read timeout rejected — it false-aborts long zero-byte POSTs; Tier-1 async-jobs deferred to the DGX chapter).LanceDB search parity + self-heal
publish_date+source_idFAISS-parity on the two-tier hybrid index — fixes digest topic-bands returning 0 under lance (the sharedsincefilter dropped hits lackingpublish_date) and the viewer "Show on graph" affordance (readsmetadata.source_id).LANCE_SCHEMA_VERSIONself-heal: stamped inindex_meta.json; stale index → read path skips to FAISS, (re)index moments rebuild instead of upserting into incompatible tables.source_tier/lift_stats/query_type).Viewer Tier-3 validation + test push (#914)
build-validation-indexbuilds FAISS + lance two-tier + topic_clusters; new V6 spec asserts lance (not FAISS) is serving. Tier-3 walk 34/34.Notable regressions caught + fixed by the first full
make ci.cache/audiomasked the chaos failure-injection e2e test; isolated per-test in conftest.Follow-up chapters (NOT this PR)
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