流程节点完善

backend_service/src/pipeline/orchestrator.py

@@ -12,6 +12,20 @@ class GenerationOrchestrator:
     async def generate(self, user_prompt: str) -> Dict:
         understanding = self.stages.stage1_task_understanding(user_prompt)
         context = self.stages.stage2_context_binding(user_prompt, understanding)
-        draft = self.stages.stage3_bt_planning(user_prompt, understanding, context)
-        return self.stages.stage4_validate_and_postprocess(user_prompt, understanding, context, draft)
+        
+        if understanding.scene_mode == "simple":
+            draft = self.stages.stage3_macro_planning(user_prompt, understanding, context)
+            return self.stages.stage6_validate_and_postprocess(user_prompt, understanding, context, draft, draft.llm_raw_json)
+        
+        # Round 1: 宏观规划
+        draft = self.stages.stage3_macro_planning(user_prompt, understanding, context)
+        
+        # Middleware: 动态依赖解析
+        resolved_data = self.stages.stage4_middleware_resolution(draft)
+        
+        # Round 2: 微观填参
+        final_tree = self.stages.stage5_micro_filling(draft, resolved_data, understanding)
+        
+        # 验证与后处理
+        return self.stages.stage6_validate_and_postprocess(user_prompt, understanding, context, draft, final_tree)