feat(frontend): API client CSRF support + auth and admin-users API modules

packages/frontend/src/api/auth.ts

@@ -0,0 +1,21 @@
+import type {
+  PublicUser, User,
+  LoginInput, RegisterInput, VerifyEmailInput, ResendVerificationInput,
+  ForgotPasswordInput, ResetPasswordInput, AcceptInviteInput,
+  ProfileUpdateInput, ChangePasswordInput,
+} from '@flashcard/shared';
+import { api } from './client.js';
+
+export const authApi = {
+  me: () => api.get<User>('/auth/me'),
+  register: (input: RegisterInput) => api.post<PublicUser>('/auth/register', input),
+  verifyEmail: (input: VerifyEmailInput) => api.post<{ ok: true }>('/auth/verify-email', input),
+  resendVerification: (input: ResendVerificationInput) => api.post<{ ok: true }>('/auth/resend-verification', input),
+  login: (input: LoginInput) => api.post<PublicUser>('/auth/login', input),
+  logout: () => api.post<void>('/auth/logout'),
+  forgotPassword: (input: ForgotPasswordInput) => api.post<{ ok: true }>('/auth/forgot-password', input),
+  resetPassword: (input: ResetPasswordInput) => api.post<{ ok: true }>('/auth/reset-password', input),
+  acceptInvite: (input: AcceptInviteInput) => api.post<PublicUser>('/auth/accept-invite', input),
+  updateProfile: (input: ProfileUpdateInput) => api.patch<PublicUser>('/auth/profile', input),
+  changePassword: (input: ChangePasswordInput) => api.post<void>('/auth/change-password', input),
+};