feat: 引入deepseek结构化输出

api/app/agents/memoir/processor.py

@@ -13,6 +13,7 @@ from app.core.logging import get_logger
 from app.core.task_tracker import task_tracker
 
 from app.agents.state_schema import MemoirStateSchema
+from app.features.memoir.memoir_images.json_payload import extract_json_payload
 from app.agents.memoir.prompts import (
     get_creative_title_prompt,
     get_narrative_json_prompt,
@@ -82,9 +83,13 @@ class ContentAnalyzer:
                     current_stage=current_state.current_stage,
                     stage_slots=current_state.slots.get(detected_stage, {}),
                 )
-                response = await self.llm.ainvoke(prompt)
+                json_llm = self.llm.bind(
+                    model_kwargs={"response_format": {"type": "json_object"}},
+                    max_tokens=1024,
+                )
+                response = await json_llm.ainvoke(prompt)
                 content = response.content.strip()
-                parsed = json.loads(content)
+                parsed = json.loads(extract_json_payload(content))
                 detected_stage = parsed.get("detected_stage", detected_stage)
                 extracted_slots = parsed.get("slots", {}) or {}
                 emotion = parsed.get("emotion", emotion)
@@ -147,7 +152,11 @@ class MemoirGenerator:
                 new_content=new_content,
                 existing_content=existing_content,
             )
-            response = await self.llm.ainvoke(prompt)
+            json_llm = self.llm.bind(
+                model_kwargs={"response_format": {"type": "json_object"}},
+                max_tokens=4096,
+            )
+            response = await json_llm.ainvoke(prompt)
             return response.content.strip()
         except Exception as e:
             logger.error("生成叙事失败: %s", e)