feat: implement message deduplication and enhance error handling in WechatClawBot

tests/test_wechatclawbot.py

@@ -0,0 +1,62 @@
+import json
+import unittest
+from types import SimpleNamespace
+from unittest.mock import patch
+
+from app.modules.wechatclawbot import WechatClawBotModule
+from app.modules.wechatclawbot.wechatclawbot import ILinkClient
+
+
+class WechatClawBotTest(unittest.TestCase):
+    def test_ilink_parse_incoming_uses_seq_as_message_id_fallback(self):
+        client = ILinkClient(base_url="https://ilinkai.weixin.qq.com")
+
+        message = client._parse_incoming(
+            {
+                "seq": 123456,
+                "from_user_id": "wxid_user_1",
+                "item_list": [{"type": 1, "text_item": {"text": "你好"}}],
+            }
+        )
+
+        self.assertIsNotNone(message)
+        self.assertEqual(message.message_id, "123456")
+        self.assertEqual(message.text, "你好")
+
+    def test_wechatclawbot_message_parser_deduplicates_message_id(self):
+        module = WechatClawBotModule()
+        body = json.dumps(
+            {
+                "__channel__": "wechatclawbot",
+                "userid": "wxid_user_1",
+                "username": "tester",
+                "message_id": "msg-1001",
+                "text": "刷新订阅",
+            }
+        )
+
+        with patch.object(
+            module,
+            "get_config",
+            return_value=SimpleNamespace(name="wechatclawbot-test", config={}),
+        ):
+            first = module.message_parser(
+                source="wechatclawbot-test",
+                body=body,
+                form={},
+                args={},
+            )
+            second = module.message_parser(
+                source="wechatclawbot-test",
+                body=body,
+                form={},
+                args={},
+            )
+
+        self.assertIsNotNone(first)
+        self.assertEqual(first.message_id, "msg-1001")
+        self.assertIsNone(second)
+
+
+if __name__ == "__main__":
+    unittest.main()