Models：支持在 Web UI 里管理可见模型 (#613)

* feat(models): add WUI model visibility filter

Store provider model visibility in Web UI app config and filter the WUI model picker/model page without rewriting Hermes CLI config or canonical model IDs.

* fix(models): sync sidebar after visibility changes

packages/client/src/i18n/locales/zh.ts

@@ -553,6 +553,13 @@ export default {
     models: '模型列表',
     count: '个模型',
     more: '个更多',
+    manageVisibleModels: '管理可见模型',
+    manageVisibleModelsFor: '管理 {name} 可见模型',
+    visibilityHint: '仅影响 Web UI 的模型选择器和模型页展示，不会改写 Hermes CLI 的 provider/model 配置。实际调用仍使用原始模型 ID。',
+    visibilitySelectOne: '至少保留一个可见模型',
+    visibilitySaved: '可见模型已保存',
+    visibilitySaveFailed: '保存可见模型失败',
+    showAllModels: '显示全部模型',
     builtIn: '内置',
     customType: '自定义',
     provider: 'Provider',