重构配置逻辑

reelforge/config/schema.py

@@ -0,0 +1,54 @@
+"""
+Configuration schema with Pydantic models
+
+Single source of truth for all configuration defaults and validation.
+"""
+from pydantic import BaseModel, Field
+
+
+class LLMConfig(BaseModel):
+    """LLM configuration"""
+    api_key: str = Field(default="", description="LLM API Key")
+    base_url: str = Field(default="", description="LLM API Base URL")
+    model: str = Field(default="", description="LLM Model Name")
+
+
+class TTSConfig(BaseModel):
+    """TTS configuration"""
+    default: str = Field(default="edge", description="Default TTS workflow")
+
+
+class ImageConfig(BaseModel):
+    """Image generation configuration"""
+    default: str = Field(default="image_default.json", description="Default image workflow")
+    comfyui_url: str = Field(default="http://127.0.0.1:8188", description="ComfyUI Server URL")
+    runninghub_api_key: str = Field(default="", description="RunningHub API Key (optional)")
+    prompt_prefix: str = Field(
+        default="Pure white background, minimalist illustration, matchstick figure style, black and white line drawing, simple clean lines",
+        description="Prompt prefix for all image generation"
+    )
+
+
+class ReelForgeConfig(BaseModel):
+    """ReelForge main configuration"""
+    project_name: str = Field(default="ReelForge", description="Project name")
+    llm: LLMConfig = Field(default_factory=LLMConfig)
+    tts: TTSConfig = Field(default_factory=TTSConfig)
+    image: ImageConfig = Field(default_factory=ImageConfig)
+    
+    def is_llm_configured(self) -> bool:
+        """Check if LLM is properly configured"""
+        return bool(
+            self.llm.api_key and self.llm.api_key.strip() and
+            self.llm.base_url and self.llm.base_url.strip() and
+            self.llm.model and self.llm.model.strip()
+        )
+    
+    def validate_required(self) -> bool:
+        """Validate required configuration"""
+        return self.is_llm_configured()
+    
+    def to_dict(self) -> dict:
+        """Convert to dictionary (for backward compatibility)"""
+        return self.model_dump()
+