rin.kagamine
70beb89ad9
Backend: - Added prompt_structure JSON column to clips DB (migration in init_db) - Updated GenerateRequest model with optional prompt_structure dict - build_prompt() method combines structured fields into single prompt: 'Generate a track with the following elements:\n\n**Style:** [style]\n...' - create_clip() accepts and stores prompt_structure JSON - get_clips()/get_clip() parse prompt_structure back to dict Frontend: - New StructuredPromptEditor component with 8 collapsible fields: Style, Timbre, Structure, Mood, Tempo, Instrumentation, Effects, Additional - Fields show filled/empty state with colored dots - Expand/collapse individual fields - 'Expand All' button - Counter: 'X of 8 fields filled' - Generator component updated with Basic/Advanced mode toggle (Pro only) - Basic: single textarea (works for both models) - Advanced: StructuredPromptEditor (Pro only) - Mode resets to Basic when switching to Clip Preview - DetailPanel shows structured prompt breakdown when present - Each filled field shown in its own labeled box - Style, Timbre, Structure, Mood, Tempo, Instrumentation, Effects, Additional - Clip interface updated with prompt_structure field across all components Architecture KB and Tasks KB updated.
Lyria Studio
A webapp for generating, playing, and storing music clips using Google's Lyria music generation models.
Built by Kagamine Rin & Ryan.
Quick Start
# Backend
cd backend
python -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
cd src
uvicorn main:app --reload
# Frontend (new terminal)
cd frontend
npm install
npm run dev
Architecture
- Backend: FastAPI (Python) — async Lyria API client, SQLite metadata, file storage
- Frontend: React + Vite + TypeScript + Tailwind — dark theme, audio player
- Storage: SQLite for clip metadata, local filesystem for MP3 files
API
| Endpoint | Method | Description |
|---|---|---|
/api/health |
GET | Health check |
/api/generate |
POST | Start clip generation |
/api/clips |
GET | List all clips |
/api/clips/{id} |
GET | Get clip metadata |
/api/clips/{id}/audio |
GET | Stream MP3 |
/api/clips/{id} |
DELETE | Delete clip |
Models
- v0.1: Lyria 3 Clip Preview (30s, REST)
- v0.2: Lyria 3 Pro (structure-aware, ~3min)
- v0.3: Lyria RealTime (WebSocket streaming)
License
MIT — Hardcore will never die.