Add feedback created id (#206)

Add feedback created id

langserve/schema.py

@@ -96,6 +96,9 @@ class Feedback(BaseFeedback):
     Represents feedback given on an individual run
     """
 
+    id: UUID
+    """The unique ID of the feedback that was created."""
+
     created_at: datetime
     """The time the feedback was created."""
 

langserve/server.py

@@ -1051,6 +1051,7 @@ async def feedback(feedback_create_req: FeedbackCreateRequest) -> Feedback:
         # using "Extra.allow" in pydantic since syntax changes between pydantic
         # 1.x and 2.x for this functionality
         return Feedback(
+            id=str(feedback_from_langsmith.id),
             run_id=str(feedback_from_langsmith.run_id),
             created_at=str(feedback_from_langsmith.created_at),
             modified_at=str(feedback_from_langsmith.modified_at),

tests/unit_tests/test_server_client.py

@@ -1601,7 +1601,12 @@ async def test_feedback_succeeds_when_langsmith_enabled() -> None:
                 "value": None,
             }
 
-            assert response.json() == expected_response_json
+            json_response = response.json()
+
+            assert "id" in json_response
+            del json_response["id"]
+
+            assert json_response == expected_response_json
 
 
 @pytest.mark.asyncio