fix: 优化架构

configs/config.yaml

@@ -4,6 +4,38 @@ app:
   # ComfyUI output directory on the same machine running this code
   comfy_output_dir: "./ComfyUI/output"
 
+global:
+  # Used by prompt_injector + adapters.
+  style: ""
+  character: ""
+  negative_prompt: ""
+
+llm:
+  # Controls /script + /refine generation.
+  provider: "mock" # "openai" to enable OpenAI/DashScope calls
+
+image:
+  provider: "mock" # "mock" | "comfy" | "replicate" | "openai"
+  # Generic model name (used by some providers as fallback).
+  model: ""
+
+  replicate:
+    # Example: "stability-ai/sdxl"
+    model: "stability-ai/sdxl"
+
+  openai:
+    # Example: "gpt-image-1"
+    model: "gpt-image-1"
+
+image_fallback:
+  provider: "mock"
+
+video:
+  provider: "moviepy"
+
+tts:
+  provider: "edge"
+
 openai:
   # Prefer environment variables in real deployments.
   # OPENAI_API_KEY must be set; OPENAI_BASE_URL optional (for DeepSeek / other gateways).