fix: 优化架构

engine/adapters/llm/openai_adapter.py

@@ -0,0 +1,29 @@
+from __future__ import annotations
+
+from typing import Any
+
+from engine.config import AppConfig
+from engine.script_gen import generate_scenes, refine_scene
+
+from .base import BaseLLM
+
+
+class OpenAIAdapter(BaseLLM):
+    def __init__(self, cfg: AppConfig):
+        self.cfg = cfg
+
+    def generate_script(self, prompt: str, context: dict[str, Any] | None = None):
+        # Existing script_gen already enforces JSON schema and length constraints.
+        return generate_scenes(prompt, self.cfg)
+
+    def refine_scene(self, scene: Any, context: dict[str, Any] | None = None):
+        if context is None:
+            context = {}
+        # Context carries needed values to call refine_scene in script_gen.
+        scenes = context.get("scenes")
+        prompt2 = context.get("prompt")
+        target_index = context.get("target_index")
+        if scenes is None or prompt2 is None or target_index is None:
+            raise ValueError("OpenAIAdapter.refine_scene missing context: scenes/prompt/target_index")
+        return refine_scene(prompt=prompt2, scenes=scenes, target_index=int(target_index), cfg=self.cfg)
+