feat: arm Cohere + ElevenLabs live drift legs (env wiring, key-gated) - #325
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…seline) (#330) ## What Gates OFF the fal LIVE queue-lifecycle drift leg so it no longer runs in CI / the shared base drift collector, while KEEPING all of fal's static drift coverage. The live probe (`falQueueLifecycleCanary`, driven by the live block in `src/__tests__/drift/fal-queue.drift.ts`, merged in #327) fails against real fal: `flux/schnell` returns `status:"IN_PROGRESS"` immediately (not the assumed `IN_QUEUE`) → AssertionError → collector exit-5 quarantine → `drift-live-pr` **base** step (which runs main's code) reds on EVERY PR, blocking #324 and #325 from merging. A proper fix for the probe is being built in parallel (`fix/fal-probe-in-progress`). This PR is the fast, reversible descope so coverage PRs can land now. ## The change (one hunk) Added an explicit opt-in env gate to the live `describe` — it now skips unless BOTH are set: ```ts describe.skipIf(!FAL_KEY || !process.env.FAL_LIVE_QUEUE)("fal.ai queue lifecycle (live, cost-safe)", ...) ``` `FAL_LIVE_QUEUE` is not set in CI, so the live leg is skipped everywhere. Static fal tests (`fal.drift.ts` + the mock-vs-exemplar tests in `fal-queue.drift.ts`) are untouched. Re-enable by removing the `FAL_LIVE_QUEUE` gate once the probe is fixed. ## Red / green (local) **RED** (unmodified main, `FAL_KEY` set) — live leg runs and fails: ``` × fal.ai queue lifecycle (live, cost-safe) > real submit + status + cancel ... → INFRA_ERROR: fal queue submit: API returned 401 ... Tests 1 failed | 4 passed (5) ``` **GREEN** (this PR, `FAL_KEY` set, no `FAL_LIVE_QUEUE`) — live leg skips, no AssertionError: ``` ✓ src/__tests__/drift/fal-queue.drift.ts (5 tests | 1 skipped) 22ms Tests 4 passed | 1 skipped (5) ``` **Re-enable path verified** (`FAL_KEY` + `FAL_LIVE_QUEUE` both set) — live leg runs again. Full `pnpm run test:drift` (CI-style, no `FAL_KEY`): **93 passed | 65 skipped**. Typecheck, prettier, eslint, build all clean. ## Expected CI note (fix-forward) This PR's own `drift-live-pr` will be RED at the **base** step because base runs main's still-broken fal probe — that red is exactly the poison this PR removes, and it cannot go green pre-merge (base runs old main). All other checks are expected green. Merging fix-forward heals main so subsequent PRs' base steps no longer run the fal live leg. 🤖 Generated with [Claude Code](https://claude.com/claude-code)
… deprecated command-r-plus Cohere retired command-r-plus on 2026-04-04, so the live /v2/chat drift leg got 404 (model not found) once COHERE_API_KEY was armed — quarantined as exit 5, reding drift-live-pr. Discover a non-deprecated chat model from /v1/models?endpoint=chat instead of hardcoding one, so future deprecations don't re-break the leg. Add an honest infra/auth skip (401/402/403/429/5xx) so a transient provider-side condition never quarantines; a real 200 envelope drift is still reported (never skipped).
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What & why
Arms the Cohere + ElevenLabs live drift legs (adds
COHERE_API_KEY/ELEVENLABS_API_KEYto the drift-job env) and fixes the Cohere live leg that quarantined once the key went live.Root cause (Cohere 251/281 —
expected 404 to be 200)cohere.drift.tshardcodedmodel: "command-r-plus". Cohere retiredcommand-r-pluson 2026-04-04 (see Cohere release notes), so the realPOST /v2/chatreturned 404 model-not-found. The collector could not parse the failure as a drift report and quarantined (exit 5), redingdrift-live-pr.Classification: stale-model probe bug — not an API-envelope drift, and not a rate-limit/credit infra condition. Fixing the model so the real envelope comparison actually runs is the correct, anti-cheat-compliant remedy (no assertion relaxed; a real 200 envelope drift is still reported).
Fix
selectCohereChatModel+ live/v1/models?endpoint=chat): self-selects a non-deprecated chat model instead of hardcoding one, so future Cohere deprecations don't re-break the leg. Prefers a stable default (command-a-03-2025), else first non-deprecated chat model.isInfraStatus: 401/402/403/429/5xx): a transient provider-side condition (stale key, out-of-credit, rate-limit, upstream 5xx) now skips honestly instead of quarantining. A genuine 200-with-drift is never skipped.cohere-model.tsfor credential-free unit testing.ElevenLabs
No change needed — its live
sound-generationleg passes (it was never in the quarantine set).Red / Green
RED (structural): with the naive pre-fix selector (picks first model, ignoring deprecation) the unit test fails —
selectCohereChatModelreturns the deprecatedcommand-r-plus→ 4/6 tests fail.GREEN (structural): real selector → 6/6 pass (
cohere-model.test.ts). Full suite 4646 passed; typecheck/eslint/prettier/build/test:drift clean.RED (live): PR #325
drift-live-pr→AssertionError: expected 404 to be 200atcohere.drift.ts:251&:281→ 2 quarantined → exit 5.GREEN (live): dispatched the
Drift Testscollector on this branch (workflow_dispatch, run 29973603619) with the real key → Quarantined failures: 0, Critical diffs: 0, success. The cohere leg resolves a live model, gets 200, and passes.Note on
drift-live-prredThe remaining
drift-live-prfailure is in the base step, which checks outorigin/mainand runs main's still-hardcodedcohere.drift.ts(base-main/.../cohere.drift.ts:251/281) → quarantine (exit 5) before the head/delta steps run. This is the known "live-in-base poison" class: it clears only once this fix is on main. The head-side leg is proven green by the dispatched run above.