feat(settings): rename custom gateway models

tests/test_appconfig.py

@@ -565,6 +565,48 @@ class AppConfigTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_rename_ai_model_preserves_fields_and_rejects_invalid_name(self):
+        with self.make_temp_dir() as temp_dir:
+            models_path = os.path.join(temp_dir, "ai_models.json")
+            appconfig.add_ai_model(
+                {
+                    "name": "Text 2",
+                    "category": "text",
+                    "enabled": False,
+                    "url": "https://example.invalid/v1/chat/completions",
+                    "model": "demo-model",
+                    "api_key": "sk-1234567890",
+                    "api_type": "chat",
+                    "connect_timeout_seconds": 12,
+                    "timeout_seconds": 45,
+                    "extra_body": {"temperature": 0},
+                },
+                path=models_path,
+            )
+            before = appconfig.get_model("Text 2", path=models_path)
+
+            renamed = appconfig.rename_ai_model(
+                "Text 2",
+                "  文本模型  ",
+                path=models_path,
+            )
+
+            self.assertEqual("文本模型", renamed["name"])
+            self.assertEqual(
+                {**before, "name": "文本模型"},
+                appconfig.get_model("文本模型", path=models_path),
+            )
+            with self.assertRaisesRegex(appconfig.ConfigError, "模型名称不能为空"):
+                appconfig.rename_ai_model("文本模型", "  ", path=models_path)
+            with self.assertRaisesRegex(appconfig.ConfigError, "模型名称已存在"):
+                appconfig.rename_ai_model(
+                    "文本模型",
+                    "GPT-5.5 文本",
+                    path=models_path,
+                )
+
+        self.assert_removed(temp_dir)
+
     def test_ai_model_constraints_and_connection_validation(self):
         with self.make_temp_dir() as temp_dir:
             models_path = os.path.join(temp_dir, "ai_models.json")