from typing import Optional, List from pydantic import BaseModel class GenerateScriptRequest(BaseModel): video_path: str video_theme: Optional[str] = "" custom_prompt: Optional[str] = "" skip_seconds: Optional[int] = 0 threshold: Optional[int] = 30 vision_batch_size: Optional[int] = 5 vision_llm_provider: Optional[str] = "gemini" class GenerateScriptResponse(BaseModel): task_id: str script: List[dict]