Initial scaffold: FastAPI backend + React frontend + Docker Compose

- Backend: FastAPI with SQLite, clip CRUD, health check
- Frontend: React + Vite + TypeScript + Tailwind, dark theme
- Components: Generator, Gallery, Player
- Docker: Compose setup for backend + frontend
- Architecture docs in Palace KB

backend/src/models.py

@@ -0,0 +1,28 @@
+from pydantic import BaseModel
+from datetime import datetime
+from typing import Optional
+
+class GenerateRequest(BaseModel):
+    prompt: str
+    model: str = "lyria-3-clip-preview"
+    duration: int = 30
+
+class GenerateResponse(BaseModel):
+    id: str
+    status: str
+    message: str
+
+class Clip(BaseModel):
+    id: str
+    prompt: str
+    model: str
+    duration_seconds: int
+    filename: str
+    file_size_bytes: Optional[int] = None
+    status: str
+    error_message: Optional[str] = None
+    created_at: datetime
+
+class ClipList(BaseModel):
+    clips: list[Clip]
+    total: int