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Alem Tuzlak 48cd3b2c93 feat(showcase/voice): D5 mapping + sample-button bypasses /transcribe (#4674)
## Summary

- **Dashboard mapping fix.** `CATALOG_TO_D5_KEY` in
`showcase/shell-dashboard/src/lib/live-status.ts` was missing `voice →
["voice"]`, so `computeMaxPossible` capped the langgraph-python voice
cell at D4 even when the d5-voice probe row was green. The harness
`REGISTRY_TO_D5` already had the entry; only the dashboard mirror was
out of sync.
- **Sample-button decoupled from `/transcribe`.** The "Play sample"
button used to fetch `sample.wav` and POST it to the runtime's
transcription endpoint, which made the sample button and the mic
indistinguishable under aimock (both returned the canned transcription).
Reworked it into a synchronous static-text injector — sample button is
now a deterministic test/demo affordance, and the mic is the only path
that exercises real Whisper transcription. Synced across all 18
voice-enabled integrations. Phrase stays `"What is the weather in
Tokyo?"` so aimock's `weather in Tokyo` substring fixture still matches.
- **Probe-test parity.** Added the missing `d5-voice.test.ts` companion
(every other `d5-*.ts` script has one) — 9 tests covering registration,
`buildTurns`, `preFill` (sample-button click + textarea-poll path), and
the weather/Tokyo assertion.
- **QA + e2e cleanup** for langgraph-python: dropped the
no-longer-applicable "Transcribing…" mid-flight assertion and the `block
/demo-audio/sample.wav` error-state subsection. Other 16 integrations'
qa/e2e files follow in a parity sync PR.

## Test plan

- [x] `nx test @copilotkit/showcase-harness -- --run d5-voice` → 9/9
pass
- [x] `npm test` in `showcase/shell-dashboard` → 509/510 pass (1
skipped, 0 failed)
- [x] `nx build @copilotkit/showcase-harness` → clean
- [x] Local boot: `langgraph-cli dev` (port 8123) + `next dev` (port
3000) + dashboard (port 3002) — voice page at `/demos/voice` renders,
"Play sample" injects the canned phrase instantly, send → agent returns
weather, mic → real Whisper transcription with `OPENAI_API_KEY` set
- [ ] Reviewer: confirm the langgraph-python voice cell on the live
dashboard advances to D5 once the next d5-voice probe tick lands a green
row
2026-05-06 18:25:33 +02:00
..
2026-05-01 12:31:05 +02:00
2026-05-01 12:31:05 +02:00