- prevSlide() in usePresenterMode: springt zur vorherigen Folie,
stoppt aktuelle Audio, startet Präsentation der vorherigen Folie
- SkipBack Button in PresenterOverlay neben SkipForward
- Beide Buttons springen zur korrekten Folie UND starten die Audio
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Concatenate all paragraphs + transition hint into one TTS call per slide
→ natural prosody, zero gaps within a slide
- Pre-fetch next slide's audio during current playback → seamless transitions
- Advance slide during transition phrase ("Let us look at...")
- Pause/resume without destroying audio → instant continue
- Subtitle display synced to playback position via timeupdate
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
stateRef was still 'resuming' when advanceRef.current() ran,
causing it to bail out. Now sync stateRef immediately before advance.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Browser autoplay policy blocks audio.play() outside user gesture.
Use AudioContext to unlock audio immediately in click handler.
Add console logging for TTS debugging.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- New API route /api/presenter/tts proxies to compliance-tts-service
- usePresenterMode now uses Audio element with Piper-generated MP3
- Client-side audio caching (text hash → blob URL) avoids re-synthesis
- Graceful fallback to word-count timer if TTS service unavailable
- Add TTS_SERVICE_URL env var to pitch-deck Docker config
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Integrate Web Speech API into usePresenterMode for text-to-speech
- Speech-driven paragraph advancement (falls back to timer if TTS unavailable)
- TTS toggle button (Volume2/VolumeX) in PresenterOverlay
- Chrome keepAlive workaround for long speeches
- Voice selection: prefers premium/neural voices, falls back to any matching lang
- Fix all German umlauts across presenter-script, presenter-faq, i18n, route.ts
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Migrate chat API from Ollama to LiteLLM (OpenAI-compatible SSE)
- Add 15-min presenter storyline with bilingual scripts for all 20 slides
- Add FAQ system (30 entries) with keyword matching for instant answers
- Add IntroPresenterSlide with avatar placeholder and start button
- Add PresenterOverlay (progress bar, subtitle text, play/pause/stop)
- Add AvatarPlaceholder with pulse animation during speaking
- Add usePresenterMode hook (state machine: idle→presenting→paused→answering→resuming)
- Add 'P' keyboard shortcut to toggle presenter mode
- Support [GOTO:slide-id] markers in chat responses
- Dynamic slide count (was hardcoded 13, now from SLIDE_ORDER)
- TTS stub prepared for future Piper integration
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
