add debug log to estimation exceptions

src/api/v1/router.py

@@ -42,15 +42,13 @@ async def estimate(request: models.EstimationRequest):
         return estimation_response
         
     except HTTPException as e:
+        print("HTTPException in estimate: ", e)
         raise e
     except Exception as e:
+        print("Exception in estimate: ", e)
         raise HTTPException(
             status_code=500,
             detail=f"Server error: {str(e)}"
         )
 
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