nexus/.planning/phases/39-voice-polish/39-02-SUMMARY.md
Nexus Dev af420780bf docs(39-02): complete voice hardware detection plan
- Add 39-02-SUMMARY.md with task results and self-check
- Update STATE.md progress (92%), decisions, session
- Update ROADMAP.md phase 39 progress (2 plans, 1 summary)
- Mark requirements ONBRD-01, ONBRD-02 complete
2026-04-04 03:55:50 +00:00

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Markdown

---
phase: 39-voice-polish
plan: "02"
subsystem: onboarding-voice
tags: [hardware-detection, voice, onboarding, tdd]
dependency_graph:
requires: []
provides: [voice-capability-probe, hardware-aware-voice-step]
affects: [server/src/services/hardware.ts, ui/src/components/onboarding/VoiceStep.tsx]
tech_stack:
added: []
patterns: [execFile-async-wrapper, tdd-red-green, conditional-ui-rendering]
key_files:
created:
- server/src/__tests__/39-voice-hardware-probe.test.ts
modified:
- server/src/services/hardware.ts
- ui/src/api/hardware.ts
- ui/src/hooks/useHardwareInfo.ts
- ui/src/components/onboarding/VoiceStep.tsx
- ui/src/components/NexusOnboardingWizard.tsx
decisions:
- "Used execFile callback wrapper (not promisify) for consistent mocking in vitest — same pattern as voice-pipeline.ts"
- "withVoiceTimeout wraps the entire detectVoiceCapability() call with 3s fallback to avoid slowing hardware detection"
- "voiceCapability is optional (?) in the UI HardwareInfo type for backward compatibility if server not updated"
- "VoiceStep does NOT auto-skip on insufficient hardware — user reads the note and skips manually"
metrics:
duration: "~4 minutes"
completed_date: "2026-04-04"
tasks_completed: 2
files_changed: 5
---
# Phase 39 Plan 02: Onboarding Voice Hardware Detection Summary
Voice capability probe added to hardware service (whisper-cpp/whisper + piper binary detection with 2s timeout each), and VoiceStep updated with hardware-aware conditional UI based on detected capabilities.
## Tasks Completed
| Task | Name | Commit | Files |
|------|------|--------|-------|
| 1 | Voice capability probe in hardware service | 175fde59 | server/src/services/hardware.ts, server/src/__tests__/39-voice-hardware-probe.test.ts |
| 2 | VoiceStep hardware-aware UI with conditional enable/skip | 003d6416 | ui/src/api/hardware.ts, ui/src/hooks/useHardwareInfo.ts, ui/src/components/onboarding/VoiceStep.tsx, ui/src/components/NexusOnboardingWizard.tsx |
## What Was Built
**Task 1 — Voice capability probe:**
- Added `VoiceCapability` interface: `{ whisperAvailable, piperAvailable, voiceTierSufficient }`
- Extended `HardwareInfo` with `voiceCapability: VoiceCapability`
- `detectVoiceCapability()` probes whisper-cpp (falls back to whisper) and piper with 2s timeout each
- `voiceTierSufficient` = true for apple_silicon/gpu, or cpu_only with >= 4GB free RAM
- Wrapped in 3s `withVoiceTimeout()` to prevent voice probes from slowing hardware detection
- GET /system/providers automatically includes voiceCapability (no route changes needed)
- 6 TDD tests covering all binary combinations and tier sufficiency logic
**Task 2 — Hardware-aware VoiceStep:**
- VoiceStep accepts optional `voiceCapability` prop (backward-compatible)
- Insufficient hardware: shows amber warning note + Skip button only (no Enable)
- Binaries detected: shows green CheckCircle2 icons next to STT/TTS labels
- Missing binaries but sufficient hardware: blue install note, outline Enable + Skip
- No hardware info (loading/undefined): falls back to original mic-only behavior
- NexusOnboardingWizard passes `hardwareInfo?.voiceCapability` to VoiceStep at step 4
## Deviations from Plan
None - plan executed exactly as written.
## Known Stubs
None.
## Self-Check: PASSED
Files created/modified:
- FOUND: server/src/services/hardware.ts
- FOUND: server/src/__tests__/39-voice-hardware-probe.test.ts
- FOUND: ui/src/api/hardware.ts
- FOUND: ui/src/hooks/useHardwareInfo.ts
- FOUND: ui/src/components/onboarding/VoiceStep.tsx
- FOUND: ui/src/components/NexusOnboardingWizard.tsx
Commits:
- FOUND: 1851c513 (TDD RED — failing tests)
- FOUND: 175fde59 (TDD GREEN — hardware service implementation)
- FOUND: 003d6416 (VoiceStep UI + wizard wiring)
Tests: 6/6 passing