세션 평가와 교수자 분석 보강

apps/api/app/test_evaluation_persistence.py

@@ -175,6 +175,17 @@ class EvaluationPersistenceMappingTest(unittest.TestCase):
         self.assertEqual(write.payload, {})
         self.assertEqual(write.error, "engine timeout")
 
+    def test_session_evaluation_write_from_error_names_empty_exception(self) -> None:
+        write = session_persistence.SessionEvaluationWrite.from_error(
+            session_id="session-1",
+            learner_id="learner-1",
+            scope="session_end",
+            stage="explore",
+            error=TimeoutError(),
+        )
+
+        self.assertEqual(write.error, "TimeoutError")
+
     def test_rebuild_turn_evaluation_restores_review_shape(self) -> None:
         rebuilt = session_persistence._rebuild_turn_evaluations(
             [("11111111-1111-1111-1111-111111111111", 2, "탐색")],