120 lines
5.4 KiB
Markdown
120 lines
5.4 KiB
Markdown
---
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phase: 37-web-chat-voice-ui
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plan: 03
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subsystem: ui
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tags: [react, voice, audio, shadcn, lucide-react, localStorage, tailwind]
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# Dependency graph
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requires:
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- phase: 36-voice-pipeline-foundation
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provides: POST /api/synthesize and POST /api/transcribe endpoints; voiceMode persisted via nexus-settings
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- phase: 37-01
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provides: COOP/COEP headers for SharedArrayBuffer; VAD ONNX assets
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provides:
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- ChatVoicePlayer: inline audio player with play/pause, auto-play, blob URL cleanup
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- ChatVoiceBadge: Voice badge + SPOKEN/DETAILED parsing + collapsible full markdown
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- VoiceModeToggle: three-pill Text/Voice In/Full Voice toggle with nexus-settings persistence
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- useVoiceMode: hook for reading/writing voiceMode via PATCH /api/nexus/settings
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affects: [37-04, ChatMessage integration, ChatInput integration]
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# Tech tracking
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tech-stack:
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added: []
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patterns:
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- Blob URL lifecycle: createObjectURL on fetch response, revokeObjectURL in onEnded and cleanup
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- SPOKEN/DETAILED regex parsing for dual-format voice responses
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- Three-pill toggle pattern with active/inactive Tailwind classes + role="group" + aria-label
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key-files:
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created:
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- ui/src/components/ChatVoicePlayer.tsx
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- ui/src/components/ChatVoiceBadge.tsx
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- ui/src/components/VoiceModeToggle.tsx
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- ui/src/hooks/useVoiceMode.ts
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modified: []
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key-decisions:
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- "useVoiceMode hook created in plan 37-03 (not 37-02) to unblock VoiceModeToggle — parallel execution"
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- "ChatVoicePlayer fetches audio on text change, not on play — pre-loads audio for smoother UX"
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- "Auto-play preference stored in localStorage (nexus:voice:autoplay), not nexus-settings — avoids server round-trip for fast UX"
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patterns-established:
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- "Pattern 1: blob URL cleanup — always revokeObjectURL in both onEnded and effect cleanup to prevent memory leaks"
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- "Pattern 2: voice badge renders differently per messageType — voice_input shows badge+text only; voice_full adds player+collapsible"
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requirements-completed: [WCHAT-04, WCHAT-05, WCHAT-06]
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# Metrics
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duration: 2min
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completed: 2026-04-04
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---
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# Phase 37 Plan 03: Voice Output Components Summary
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**Inline audio player (ChatVoicePlayer), voice badge with collapsible markdown (ChatVoiceBadge), and three-pill mode toggle (VoiceModeToggle) — complete output-side voice UI**
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## Performance
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- **Duration:** 2 min
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- **Started:** 2026-04-04T02:35:25Z
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- **Completed:** 2026-04-04T02:37:21Z
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- **Tasks:** 2
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- **Files modified:** 4
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## Accomplishments
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- ChatVoicePlayer: POST /api/synthesize → blob URL → native `<audio>` element with play/pause controls, auto-play support on mount, and proper blob URL revocation on end/unmount
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- ChatVoiceBadge: parses SPOKEN/DETAILED content format, renders Voice badge, spoken text, optional ChatVoicePlayer, and shadcn Collapsible for full markdown (voice_full only)
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- VoiceModeToggle: three pill buttons (Text / Voice In / Full Voice) with active/inactive Tailwind styling, PATCH /api/nexus/settings persistence, auto-play checkbox in full_voice mode
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Create ChatVoicePlayer and ChatVoiceBadge components** - `601508bf` (feat)
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2. **Task 2: Create VoiceModeToggle three-pill component** - `562e4451` (feat)
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**Plan metadata:** (docs commit — see final commit)
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## Files Created/Modified
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- `ui/src/components/ChatVoicePlayer.tsx` — Inline audio player: synthesize fetch, play/pause, blob URL lifecycle
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- `ui/src/components/ChatVoiceBadge.tsx` — Voice badge + SPOKEN/DETAILED parsing + shadcn Collapsible for voice_full
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- `ui/src/components/VoiceModeToggle.tsx` — Three-pill mode toggle with nexus-settings persistence and auto-play checkbox
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- `ui/src/hooks/useVoiceMode.ts` — Hook: GET/PATCH /api/nexus/settings for voiceMode, loading state
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## Decisions Made
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- useVoiceMode hook created in this plan (37-03) to unblock VoiceModeToggle since plan 37-02 hadn't run in this worktree yet
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- Auto-play preference kept in localStorage (not nexus-settings) for zero-latency reads on component mount
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- ChatVoicePlayer pre-fetches audio on text prop change (not on user play click) for smoother playback experience
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 3 - Blocking] Created useVoiceMode hook (plan 37-02 dependency)**
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- **Found during:** Task 2 (VoiceModeToggle implementation)
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- **Issue:** VoiceModeToggle imports useVoiceMode, but the hook was not yet present in this worktree (37-02 is a parallel execution)
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- **Fix:** Created `ui/src/hooks/useVoiceMode.ts` implementing the exact interface specified in the plan context: `{ mode, setMode, isLoading }` using GET/PATCH /api/nexus/settings
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- **Files modified:** `ui/src/hooks/useVoiceMode.ts` (created)
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- **Verification:** VoiceModeToggle imports and uses hook; all acceptance criteria pass
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- **Committed in:** `562e4451` (Task 2 commit)
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---
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**Total deviations:** 1 auto-fixed (1 blocking)
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**Impact on plan:** Essential for correct parallel execution. Implementation matches plan-specified interface exactly.
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## Issues Encountered
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None — tasks executed cleanly once useVoiceMode was created.
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## User Setup Required
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None - no external service configuration required.
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## Next Phase Readiness
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- All three voice output components are complete
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- ChatMessage needs to be updated to render `<ChatVoiceBadge>` for messageType voice_input/voice_full
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- ChatInput needs VoiceModeToggle added to toolbar row
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- These integrations are handled in plan 37-04 (ChatInput + ChatMessage integration)
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---
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*Phase: 37-web-chat-voice-ui*
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*Completed: 2026-04-04*
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