feat: add AccountPage for user account management and API token handling; update AppRoutes to include new route

src/lib/api/config.ts

@@ -29,6 +29,8 @@ export const API_CONFIG = {
       OAUTH_AUTHORIZE: (provider: string) => `/api/v1/auth/${provider}/authorize`,
       OAUTH_CALLBACK: (provider: string) => `/api/v1/auth/${provider}/callback`,
       EXCHANGE_OAUTH_TOKEN: '/api/v1/auth/exchange-oauth-token',
+      API_TOKEN: '/api/v1/auth/api-token',
+      API_TOKEN_STATUS: '/api/v1/auth/api-token/status',
     },
   },
 } as const

src/lib/api/services/auth.ts

@@ -36,6 +36,36 @@ export interface ExchangeOAuthTokenResponse {
   user_id: string
 }
 
+export interface ApiTokenRequest {
+  expires_days?: number
+}
+
+export interface ApiTokenResponse {
+  api_token: string
+  expires_at?: string
+}
+
+export interface ApiTokenStatusResponse {
+  has_token: boolean
+  expires_at?: string
+  is_expired: boolean
+}
+
+export interface UpdateProfileRequest {
+  name?: string
+}
+
+export interface ChangePasswordRequest {
+  current_password?: string
+  new_password: string
+}
+
+export interface UserProvider {
+  provider: string
+  display_name: string
+  connected_at?: string
+}
+
 export class AuthService {
   /**
    * Authenticate user with email and password
@@ -150,6 +180,48 @@ export class AuthService {
       throw new Error('Token refresh failed')
     }
   }
+
+  /**
+   * Update user profile information
+   */
+  async updateProfile(data: UpdateProfileRequest): Promise<User> {
+    return apiClient.patch<User>(API_CONFIG.ENDPOINTS.AUTH.ME, data)
+  }
+
+  /**
+   * Change user password
+   */
+  async changePassword(data: ChangePasswordRequest): Promise<void> {
+    return apiClient.post<void>('/api/v1/auth/change-password', data)
+  }
+
+  /**
+   * Generate a new API token
+   */
+  async generateApiToken(request: ApiTokenRequest = {}): Promise<ApiTokenResponse> {
+    return apiClient.post<ApiTokenResponse>(API_CONFIG.ENDPOINTS.AUTH.API_TOKEN, request)
+  }
+
+  /**
+   * Get API token status
+   */
+  async getApiTokenStatus(): Promise<ApiTokenStatusResponse> {
+    return apiClient.get<ApiTokenStatusResponse>(API_CONFIG.ENDPOINTS.AUTH.API_TOKEN_STATUS)
+  }
+
+  /**
+   * Delete API token
+   */
+  async deleteApiToken(): Promise<void> {
+    return apiClient.delete<void>(API_CONFIG.ENDPOINTS.AUTH.API_TOKEN)
+  }
+
+  /**
+   * Get user's connected authentication providers
+   */
+  async getUserProviders(): Promise<UserProvider[]> {
+    return apiClient.get<UserProvider[]>('/api/v1/auth/user-providers')
+  }
 }
 
 export const authService = new AuthService()