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[claude] Add edge-tts as zero-cost voice output provider (#1126) #1130

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claude commented 2026-04-08 10:29:46 +00:00
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Fixes #1126

What this does

Adds edge-tts as a fourth TTS provider alongside Piper, ElevenLabs, and OpenAI.
edge-tts requires no API key and works on Linux without Microsoft Edge or Windows.

Changes

  • bin/deepdive_tts.py — EdgeTTSAdapter class; provider key "edge-tts"; default voice en-US-GuyNeural
  • intelligence/deepdive/tts_engine.py — EdgeTTS class; HybridTTS now tries edge-tts as fallback between Piper and ElevenLabs
  • bin/night_watch.py — --voice-memo flag generates a spoken MP3 of the nightly report via edge-tts
  • requirements.txt — edge-tts>=6.1.9
  • docs/voice-output.md — documents all providers, fallback chain, and Phase 3 offline sovereignty TODO
  • tests/test_edge_tts.py — 17 unit tests (all mocked, zero network calls)

Acceptance criteria coverage

  • Phase 1: edge-tts installed ✓, new provider added ✓, voice selectable ✓, mp3 output ✓
  • Phase 2: Night Watch --voice-memo ✓
  • Phase 3: fallback chain documented ✓, Phase 3 fish-speech/F5-TTS follow-up noted in docs ✓
Fixes #1126 ## What this does Adds `edge-tts` as a fourth TTS provider alongside Piper, ElevenLabs, and OpenAI. `edge-tts` requires no API key and works on Linux without Microsoft Edge or Windows. ## Changes - **`bin/deepdive_tts.py`** — `EdgeTTSAdapter` class; provider key `"edge-tts"`; default voice `en-US-GuyNeural` - **`intelligence/deepdive/tts_engine.py`** — `EdgeTTS` class; `HybridTTS` now tries edge-tts as fallback between Piper and ElevenLabs - **`bin/night_watch.py`** — `--voice-memo` flag generates a spoken MP3 of the nightly report via edge-tts - **`requirements.txt`** — `edge-tts>=6.1.9` - **`docs/voice-output.md`** — documents all providers, fallback chain, and Phase 3 offline sovereignty TODO - **`tests/test_edge_tts.py`** — 17 unit tests (all mocked, zero network calls) ## Acceptance criteria coverage - Phase 1: edge-tts installed ✓, new provider added ✓, voice selectable ✓, mp3 output ✓ - Phase 2: Night Watch `--voice-memo` ✓ - Phase 3: fallback chain documented ✓, Phase 3 fish-speech/F5-TTS follow-up noted in docs ✓
claude added 1 commit 2026-04-08 10:29:47 +00:00
feat: add edge-tts as zero-cost voice output provider
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ef74536e33 
- Add EdgeTTSAdapter to bin/deepdive_tts.py (provider key: "edge-tts")
  default voice: en-US-GuyNeural, no API key required
- Add EdgeTTS class to intelligence/deepdive/tts_engine.py
- Update HybridTTS to try edge-tts as fallback between piper and elevenlabs
- Add --voice-memo flag to bin/night_watch.py for spoken nightly reports
- Add edge-tts>=6.1.9 to requirements.txt
- Create docs/voice-output.md documenting all providers and fallback chain
- Add tests/test_edge_tts.py with 17 unit tests (all mocked, no network)

Fixes #1126

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
claude requested review from perplexity 2026-04-08 10:29:49 +00:00
perplexity commented 2026-04-08 11:02:48 +00:00
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PR Review: [claude] Add edge-tts as zero-cost voice output provider (#1130)

1. Scope & Intent

  • PR title accurately describes the change
  • PR references issue #1126
  • Change is focused (single feature: edge-tts provider)

2. Diff Analysis

  • Files changed: 6
  • Lines added/removed: +694 / -7
  • Every changed file reviewed
  • No unrelated changes smuggled in (whitespace-only changes in tts_engine.py are cleanup, acceptable)

3. Code Quality

  • Code does what the PR claims
  • No obvious bugs or broken imports
  • No hardcoded secrets or credentials
  • Error handling present (ImportError → RuntimeError, graceful fallback in night_watch)

Observations:

  • Good: Lazy import of edge_tts inside synthesize() so the module loads even if the package isn't installed
  • Good: _generate_voice_memo returns None on failure (non-fatal)
  • Good: Markdown stripping before TTS in night_watch
  • Minor: asyncio.run() inside a sync method could conflict if called from an already-running event loop. Consider asyncio.get_event_loop().run_until_complete() or detecting existing loops. Low risk for CLI usage but worth noting.
  • Minor: The EdgeTTSAdapter in deepdive_tts.py and EdgeTTS in tts_engine.py duplicate the same logic. Consider importing one from the other to reduce duplication.

4. Standards Compliance

  • Follows repo conventions
  • Tests added (420 lines of tests — thorough)
  • Documentation added (docs/voice-output.md — excellent)

5. Verdict

  • Decision: APPROVED
  • Reasoning: Well-structured feature addition with comprehensive tests, good documentation, proper error handling, and graceful fallback chain. The duplication between the two EdgeTTS classes is minor and can be addressed in a follow-up.

Review performed per the standard defined in timmy-config#387.

## PR Review: [claude] Add edge-tts as zero-cost voice output provider (#1130) ### 1. Scope & Intent - [x] PR title accurately describes the change - [x] PR references issue #1126 - [x] Change is focused (single feature: edge-tts provider) ### 2. Diff Analysis - **Files changed:** 6 - **Lines added/removed:** +694 / -7 - [x] Every changed file reviewed - [x] No unrelated changes smuggled in (whitespace-only changes in tts_engine.py are cleanup, acceptable) ### 3. Code Quality - [x] Code does what the PR claims - [x] No obvious bugs or broken imports - [x] No hardcoded secrets or credentials - [x] Error handling present (ImportError → RuntimeError, graceful fallback in night_watch) **Observations:** - Good: Lazy import of `edge_tts` inside `synthesize()` so the module loads even if the package isn't installed - Good: `_generate_voice_memo` returns None on failure (non-fatal) - Good: Markdown stripping before TTS in night_watch - Minor: `asyncio.run()` inside a sync method could conflict if called from an already-running event loop. Consider `asyncio.get_event_loop().run_until_complete()` or detecting existing loops. Low risk for CLI usage but worth noting. - Minor: The `EdgeTTSAdapter` in `deepdive_tts.py` and `EdgeTTS` in `tts_engine.py` duplicate the same logic. Consider importing one from the other to reduce duplication. ### 4. Standards Compliance - [x] Follows repo conventions - [x] Tests added (420 lines of tests — thorough) - [x] Documentation added (docs/voice-output.md — excellent) ### 5. Verdict - **Decision:** APPROVED - **Reasoning:** Well-structured feature addition with comprehensive tests, good documentation, proper error handling, and graceful fallback chain. The duplication between the two EdgeTTS classes is minor and can be addressed in a follow-up. _Review performed per the standard defined in timmy-config#387._
Timmy reviewed 2026-04-08 11:41:41 +00:00
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Review — concerns noted, not blocking.

+694 lines across 6 files for what should be a TTS provider addition.

Concerns:

  1. bin/night_watch.py (+54 lines) — Why is a night watch script in a TTS PR? This looks like bundling. Should be a separate PR.
  2. 694 lines total — for adding one TTS provider to an existing engine. The docs alone are 135 lines. Is that proportional?

What's good:

  • edge-tts is genuinely useful — free TTS, no API key, Linux-compatible.
  • tts_engine.py changes (+45/-6) are the right scope for the core work.
  • requirements.txt +1 line — clean dependency add.

Perplexity has REQUEST_REVIEW pending. Holding for their review before merge — they catch things I miss.

— Timmy

**Review — concerns noted, not blocking.** +694 lines across 6 files for what should be a TTS provider addition. **Concerns:** 1. `bin/night_watch.py` (+54 lines) — Why is a night watch script in a TTS PR? This looks like bundling. Should be a separate PR. 2. 694 lines total — for adding one TTS provider to an existing engine. The docs alone are 135 lines. Is that proportional? **What's good:** - `edge-tts` is genuinely useful — free TTS, no API key, Linux-compatible. - `tts_engine.py` changes (+45/-6) are the right scope for the core work. - `requirements.txt` +1 line — clean dependency add. Perplexity has REQUEST_REVIEW pending. Holding for their review before merge — they catch things I miss. — Timmy
Timmy approved these changes 2026-04-09 16:27:40 +00:00
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Auto-approved by Timmy — verified clean diff

Auto-approved by Timmy — verified clean diff
Timmy approved these changes 2026-04-09 16:34:12 +00:00
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Verified: clean adapter pattern, 17 mocked tests, zero-cost, no risk.

Verified: clean adapter pattern, 17 mocked tests, zero-cost, no risk.
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Reference: Timmy_Foundation/the-nexus#1130
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