Update app/routers/analyzer.py

app/routers/analyzer.py

@@ -19,12 +19,12 @@ class AnalyzeResponse(BaseModel):
     points: List[Dict[str, Any]]  # [{x,y,cluster,text}]
     topics: List[TopicOut]
 
+_engine = TopicEngine()
+
 @router.post("/analyze", response_model=AnalyzeResponse)
 def analyze(req: AnalyzeRequest):
     try:
-        # 依存を軽くするため、毎回生成（十分軽量）
-        engine = TopicEngine()
-        r = engine.analyze(req.texts, req.n_clusters)
+        r = _engine.analyze(req.texts, req.n_clusters)
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
     return AnalyzeResponse(