fix(chat): return a Unix timestamp in the OpenAI-compatible 'created' field

apps/common/handle/impl/response/openai_to_response.py

@@ -29,7 +29,7 @@ def to_block_response(self, chat_id, chat_record_id, content, is_end, prompt_tok
             BlockChoice(finish_reason='stop', index=0, chat_id=chat_id,
                         answer_list=other_params.get('answer_list', ""),
                         message=ChatCompletionMessage(role='assistant', content=content))],
-                              created=timezone.now().second, model='', object='chat.completion',
+                              created=int(timezone.now().timestamp()), model='', object='chat.completion',
                               usage=CompletionUsage(completion_tokens=completion_tokens,
                                                     prompt_tokens=prompt_tokens,
                                                     total_tokens=completion_tokens + prompt_tokens)
@@ -42,7 +42,7 @@ def to_stream_chunk_response(self, chat_id, chat_record_id, node_id, up_node_id_
         if other_params is None:
             other_params = {}
         chunk = ChatCompletionChunk(id=chat_record_id, model='', object='chat.completion.chunk',
-                                    created=timezone.now().second, choices=[
+                                    created=int(timezone.now().timestamp()), choices=[
                 Choice(delta=ChoiceDelta(content=content, reasoning_content=other_params.get('reasoning_content', ""),
                                          chat_id=chat_id),
                        finish_reason='stop' if is_end else None,

apps/common/tests_openai_to_response.py

@@ -0,0 +1,23 @@
+import datetime
+import json
+import unittest
+from unittest import mock
+
+from common.handle.impl.response.openai_to_response import OpenaiToResponse
+
+
+class OpenaiToResponseCreatedTestCase(unittest.TestCase):
+    """`created` must be a Unix timestamp, as in the OpenAI API, not the seconds field of the clock."""
+
+    NOW = datetime.datetime(2026, 11, 3, 2, 35, 7, tzinfo=datetime.timezone.utc)
+
+    def test_block_response_created_is_unix_timestamp(self):
+        with mock.patch('common.handle.impl.response.openai_to_response.timezone.now', return_value=self.NOW):
+            response = OpenaiToResponse().to_block_response('chat', 'record', 'hi', True, 1, 2)
+        self.assertEqual(json.loads(response.content)['created'], int(self.NOW.timestamp()))
+
+    def test_stream_chunk_created_is_unix_timestamp(self):
+        with mock.patch('common.handle.impl.response.openai_to_response.timezone.now', return_value=self.NOW):
+            chunk = OpenaiToResponse().to_stream_chunk_response('chat', 'record', 'node', [], 'hi', False, 1, 2)
+        payload = json.loads(chunk[len('data: '):])
+        self.assertEqual(payload['created'], int(self.NOW.timestamp()))