90e0086cf1
- 15 new modules with 2000-3000 char markdown content - 1 quiz question per module with explanation - audioPath set to .m4a for all 15 modules (TTS-ready) - Added local TTS generation script (scripts/generate-tts-local.js) - Added .gitignore for generated audio files - Total: 7 courses, 32 modules in seed-learn.json Note: Audio files are generated locally via generate-tts-local.js. They are excluded from git (see .gitignore) due to large binary size. For production MP3s, use Azure/ElevenLabs via Gitea's generate-audio.py.