feat(ui): add model checklist for oauth exclusions

src/i18n/locales/en.json

@@ -488,8 +488,10 @@
     "provider_placeholder": "e.g. gemini-cli",
     "provider_hint": "Defaults to the current filter; pick an existing provider or type a new name.",
     "models_label": "Models to exclude",
-    "models_placeholder": "gpt-4.1-mini\n*-preview",
-    "models_hint": "Separate by commas or new lines; saving an empty list removes that provider. * wildcards are supported.",
+    "models_loading": "Loading models...",
+    "models_unsupported": "Current CPA version does not support fetching model lists.",
+    "models_loaded": "{{count}} models loaded. Check the models to exclude.",
+    "no_models_available": "No models available for this provider.",
     "save": "Save/Update",
     "saving": "Saving...",
     "save_success": "Excluded models updated",

src/i18n/locales/zh-CN.json

@@ -488,8 +488,10 @@
     "provider_placeholder": "例如 gemini-cli / openai",
     "provider_hint": "默认选中当前筛选的提供商，也可直接输入或选择其他名称。",
     "models_label": "排除的模型",
-    "models_placeholder": "gpt-4.1-mini\n*-preview",
-    "models_hint": "逗号或换行分隔；留空保存将删除该提供商记录；支持 * 通配符。",
+    "models_loading": "正在加载模型列表...",
+    "models_unsupported": "当前 CPA 版本不支持获取模型列表。",
+    "models_loaded": "已加载 {{count}} 个模型，勾选要排除的模型。",
+    "no_models_available": "该提供商暂无可用模型列表。",
     "save": "保存/更新",
     "saving": "正在保存...",
     "save_success": "排除列表已更新",