feat: implement API composables for authentication and data fetching

- Add useApiFetch composable for HTTP requests with auth token
- Implement useAuth composable for authentication endpoints
- Add useAdmin composable for admin operations
- Add useOperator composable for operator management
- Add useMembers composable for member data
- Add usePublic composable for public reports
- Add useReports composable for report operations

Co-authored-by: Copilot <[email protected]>

app/composables/useAuth.ts

@@ -0,0 +1,49 @@
+import type {
+  ChangePasswordRequest,
+  CurrentUserResponse, EmailRequest, NotificationListResponse,
+  OkResponse,
+  OtpRequestResponse, PasswordLoginRequest, RegisterCitizenRequest,
+  RegisterCitizenResponse, RewardsResponse,
+  TokenResponse, VerifyOtpRequest
+} from "~/types/api";
+
+export const useAuth = () => {
+  const register = (body: RegisterCitizenRequest) =>
+      useApiFetch<RegisterCitizenResponse>('/api/v1/auth/register', { method: 'POST', body })
+
+  const requestOtp = (body: EmailRequest) =>
+      useApiFetch<OtpRequestResponse>('/api/v1/auth/otp/request', { method: 'POST', body })
+
+  const verifyOtp = (body: VerifyOtpRequest) =>
+      useApiFetch<TokenResponse>('/api/v1/auth/otp/verify', { method: 'POST', body })
+
+  const loginWithPassword = (body: PasswordLoginRequest) =>
+      useApiFetch<TokenResponse>('/api/v1/auth/login/password', { method: 'POST', body })
+
+  const changePassword = (body: ChangePasswordRequest) =>
+      useApiFetch<OkResponse>('/api/v1/auth/change-password', { method: 'POST', body })
+
+  const fetchCurrentUser = () =>
+      useApiFetch<CurrentUserResponse>('/api/v1/me', { method: 'GET' })
+
+  const fetchRewards = (query?: { page?: number; per_page?: number }) =>
+      useApiFetch<RewardsResponse>('/api/v1/me/rewards', { method: 'GET', query })
+
+  const fetchNotifications = (query?: { page?: number; per_page?: number }) =>
+      useApiFetch<NotificationListResponse>('/api/v1/notifications', { method: 'GET', query })
+
+  const markNotificationRead = (id: number) =>
+      useApiFetch<OkResponse>(`/api/v1/notifications/${id}/read`, { method: 'PATCH' })
+
+  return {
+    register,
+    requestOtp,
+    verifyOtp,
+    loginWithPassword,
+    changePassword,
+    fetchCurrentUser,
+    fetchRewards,
+    fetchNotifications,
+    markNotificationRead,
+  }
+}