ai tools finished

backend/routers/captions.py

@@ -60,6 +60,8 @@ async def generate_captions(req: CaptionRequest):
 
         return PlainTextResponse(content, media_type="text/plain")
 
+    except HTTPException:
+        raise
     except Exception as e:
         logger.error(f"Caption generation failed: {e}", exc_info=True)
         raise HTTPException(status_code=500, detail=str(e))