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+---
+phase: 36-voice-pipeline-foundation
+plan: 03
+subsystem: api
+tags: [express, multer, voice, whisper, piper, sse, tts, stt]
+
+# Dependency graph
+requires:
+  - phase: 36-01
+    provides: voicePipelineService with transcribe/synthesize/formatForVoice
+  - phase: 36-02
+    provides: voiceMode field on createMessageSchema and ChatMessage interface
+
+provides:
+  - POST /api/transcribe HTTP endpoint (audio upload → VoicePipelineService.transcribe)
+  - POST /api/synthesize HTTP endpoint (text body → VoicePipelineService.synthesize → audio/wav)
+  - voiceMode flag wired through chat stream endpoint with dual-output prompt injection (VPIPE-06)
+  - voiceMode persisted to messageType column on assistant message save
+  - Old inline /transcribe endpoint removed from chat-files.ts
+
+affects:
+  - phase-37-voice-web-ui (uses POST /api/transcribe and POST /api/synthesize from browser)
+  - phase-38-telegram-bridge (uses POST /api/transcribe and POST /api/synthesize from Telegram)
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns:
+    - "voiceRoutes() factory function pattern matching chatFileRoutes()"
+    - "multer.memoryStorage() for audio upload in dedicated voice route"
+    - "dual-output SSE prompt injection — full_voice mode appends SPOKEN:/DETAILED: system message"
+    - "voiceMode-to-messageType mapping: full_voice→voice_full, voice_input→voice_input"
+
+key-files:
+  created:
+    - server/src/routes/voice.ts
+    - server/src/__tests__/36-voice-routes.test.ts
+  modified:
+    - server/src/routes/chat.ts
+    - server/src/routes/chat-files.ts
+    - server/src/app.ts
+
+key-decisions:
+  - "Voice routes are a dedicated module (voice.ts) rather than added to chat-files.ts for clean separation of concerns"
+  - "assertBoard(req) on both voice endpoints — same auth pattern as all other board-facing API routes"
+  - "voiceMode destructured as typed union in stream endpoint to enable compile-time safety"
+
+patterns-established:
+  - "Dual-output prompt: SPOKEN: section for TTS delivery, DETAILED: section for full markdown"
+  - "messageType column stores voice_full/voice_input for downstream rendering decisions"
+
+requirements-completed: [VPIPE-03, VPIPE-06]
+
+# Metrics
+duration: 25min
+completed: 2026-04-04
+---
+
+# Phase 36 Plan 03: Voice HTTP Routes + voiceMode Wiring Summary
+
+**Voice pipeline HTTP-accessible via POST /api/transcribe and POST /api/synthesize, with full_voice dual-output prompt injection and messageType persistence in the SSE stream endpoint**
+
+## Performance
+
+- **Duration:** 25 min
+- **Started:** 2026-04-04T01:33:00Z
+- **Completed:** 2026-04-04T01:58:00Z
+- **Tasks:** 2
+- **Files modified:** 5
+
+## Accomplishments
+
+- Created `server/src/routes/voice.ts` with POST /transcribe (multer audio upload → VoicePipelineService) and POST /synthesize (text → audio/wav buffer), both protected by `assertBoard(req)`
+- Wired `voiceMode` through the chat stream endpoint: full_voice triggers dual-output SPOKEN:/DETAILED: system prompt injection; voice_input/full_voice persist to `messageType` column
+- Removed 90-line inline `/transcribe` implementation from `chat-files.ts` and mounted `voiceRoutes()` in `app.ts`
+- 5 integration tests pass covering both success and error cases for both endpoints
+
+## Task Commits
+
+1. **Task 1: Create voice.ts routes and tests** - `b49b0aa5` (feat + TDD)
+2. **Task 2: Wire voiceMode in chat.ts, mount voice routes, remove old transcribe** - `3fc1ac10` (feat)
+
+## Files Created/Modified
+
+- `server/src/routes/voice.ts` — New voice routes factory: POST /transcribe and POST /synthesize
+- `server/src/__tests__/36-voice-routes.test.ts` — 5 integration tests for both endpoints
+- `server/src/routes/chat.ts` — voiceMode destructured, dual-output prompt injected, messageType persisted
+- `server/src/routes/chat-files.ts` — Removed old inline /transcribe endpoint (90 lines removed)
+- `server/src/app.ts` — Imported voiceRoutes and mounted with api.use(voiceRoutes())
+
+## Decisions Made
+
+- Voice routes are a dedicated `voice.ts` module rather than added to `chat-files.ts` for clean separation — voice pipeline is its own subsystem
+- Both voice endpoints call `assertBoard(req)` for consistent auth with all other board-facing routes
+- `voiceMode` typed as `"text" | "voice_input" | "full_voice"` union in stream endpoint for compile-time correctness
+
+## Deviations from Plan
+
+None — plan executed exactly as written.
+
+Note: Pre-existing TypeScript errors in `voice-pipeline.ts` (from Plan 36-01, ffmpeg-static type mismatch) were not caused by this plan's changes. Files modified in this plan compile clean.
+
+## Issues Encountered
+
+- Worktree node_modules resolution: vitest from the worktree couldn't resolve `express`/`supertest` because the worktree has an empty local `node_modules`. Fixed by creating symlinks from the worktree's `node_modules` and `server/node_modules` to the main repo's equivalents. This is a one-time setup for the parallel worktree environment.
+
+## User Setup Required
+
+None — no external service configuration required.
+
+## Next Phase Readiness
+
+- Voice pipeline is fully HTTP-accessible from any transport (web, Telegram, CLI)
+- Phase 37 (voice web UI) can use POST /api/transcribe and POST /api/synthesize directly
+- Phase 38 (Telegram bridge) can use the same endpoints for voice message relay
+- voiceMode flag flows end-to-end: client request body → dual-output prompt → messageType persistence
+
+## Self-Check: PASSED
+
+- voice.ts: FOUND
+- 36-voice-routes.test.ts: FOUND
+- 36-03-SUMMARY.md: FOUND
+- commit b49b0aa5: FOUND
+- commit 3fc1ac10: FOUND
+
+---
+*Phase: 36-voice-pipeline-foundation*
+*Completed: 2026-04-04*