feat: refine admin forms, attendance and finance workflows

Squash merge PR #23.

Included changes:
- complete occupancy check-in required fields/default payload
- improve responsive admin management pages
- fix attendance edge cases and attendance period config
- refine wallet/finance-related workflow handling

Checks:
- npm run typecheck -w apps/admin
- npm run typecheck -w apps/server

apps/admin/src/api/index.ts

@@ -16,8 +16,7 @@ instance.interceptors.request.use((config) => {
 instance.interceptors.response.use(
   (res) => res.data,
   (err) => {
-    const isLoginRequest =
-      err.config?.url === '/auth/login' || err.config?.url === 'auth/login';
+    const isLoginRequest = err.config?.url === '/auth/login' || err.config?.url === 'auth/login';
 
     if (err.response?.status === 401 && !isLoginRequest) {
       localStorage.removeItem('token');