- 支持 Claude Desktop 使用 Copilot/Codex OAuth 供应商

- 放开本地路由托管 OAuth 供应商校验，允许动态 Token
- 新增 Claude Desktop Copilot/Codex 预设与账号选择
- 添加 OAuth proxy 回归测试

src/types.ts

@@ -133,6 +133,8 @@ export interface AuthBinding {
 
 export interface ClaudeDesktopModelRoute {
   model: string;
+  /** @deprecated Claude Desktop ignores this in the model menu; kept only to read old configs. */
+  displayName?: string;
   supports1m?: boolean;
 }