feat: initialize new React application structure with TypeScript, ESLint, and Prettier configurations, while removing legacy files and adding new components and pages for enhanced functionality

src/services/api/oauth.ts

@@ -0,0 +1,27 @@
+/**
+ * OAuth 与设备码登录相关 API
+ */
+
+import { apiClient } from './client';
+
+export type OAuthProvider =
+  | 'codex'
+  | 'anthropic'
+  | 'antigravity'
+  | 'gemini-cli'
+  | 'qwen'
+  | 'iflow';
+
+export interface OAuthStartResponse {
+  url: string;
+  state?: string;
+}
+
+export const oauthApi = {
+  startAuth: (provider: OAuthProvider) => apiClient.get<OAuthStartResponse>(`/${provider}-auth-url`, { params: { is_webui: 1 } }),
+
+  getAuthStatus: (state: string) =>
+    apiClient.get<{ status: 'ok' | 'wait' | 'error'; error?: string }>(`/get-auth-status`, {
+      params: { state }
+    })
+};