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/pages/TeacherWorkspace/index.tsx

@@ -74,56 +74,65 @@ const TeacherWorkspacePage: React.FC = () => {
     fetchData();
   }, []);
 
-  const classColumns: ColumnsType<AssignedClass> = useMemo(() => [
-    {
-      title: '班级名称',
-      dataIndex: 'className',
-      render: (v: string, r: AssignedClass) => `${v} (${r.classCode})`,
-    },
-    {
-      title: '角色',
-      dataIndex: 'roleType',
-      render: (v: string) => <Tag>{ROLE_LABELS[v] || v}</Tag>,
-    },
-    {
-      title: '科目',
-      dataIndex: 'subject',
-      render: (v: string | null) => v || '-',
-    },
-  ], []);
+  const classColumns: ColumnsType<AssignedClass> = useMemo(
+    () => [
+      {
+        title: '班级名称',
+        dataIndex: 'className',
+        render: (v: string, r: AssignedClass) => `${v} (${r.classCode})`,
+      },
+      {
+        title: '角色',
+        dataIndex: 'roleType',
+        render: (v: string) => <Tag>{ROLE_LABELS[v] || v}</Tag>,
+      },
+      {
+        title: '科目',
+        dataIndex: 'subject',
+        render: (v: string | null) => v || '-',
+      },
+    ],
+    [],
+  );
 
-  const scheduleColumns: ColumnsType<ScheduleItem> = useMemo(() => [
-    {
-      title: '时间',
-      key: 'time',
-      render: (_: unknown, r: ScheduleItem) => `${r.startTime} - ${r.endTime}`,
-    },
-    {
-      title: '星期',
-      dataIndex: 'weekDay',
-      render: (v: number) => <Tag>{WEEKDAY_LABELS[String(v)] || v}</Tag>,
-    },
-    {
-      title: '科目',
-      dataIndex: 'subject',
-    },
-    {
-      title: '类型',
-      dataIndex: 'scheduleType',
-      render: (v: string) => (
-        <Tag color={v === 'INTERNAL' ? 'blue' : 'orange'}>
-          {v === 'INTERNAL' ? '内部课程' : '租赁'}
-        </Tag>
-      ),
-    },
-  ], []);
+  const scheduleColumns: ColumnsType<ScheduleItem> = useMemo(
+    () => [
+      {
+        title: '时间',
+        key: 'time',
+        render: (_: unknown, r: ScheduleItem) => `${r.startTime} - ${r.endTime}`,
+      },
+      {
+        title: '星期',
+        dataIndex: 'weekDay',
+        render: (v: number) => <Tag>{WEEKDAY_LABELS[String(v)] || v}</Tag>,
+      },
+      {
+        title: '科目',
+        dataIndex: 'subject',
+      },
+      {
+        title: '类型',
+        dataIndex: 'scheduleType',
+        render: (v: string) => (
+          <Tag color={v === 'INTERNAL' ? 'blue' : 'orange'}>
+            {v === 'INTERNAL' ? '内部课程' : '租赁'}
+          </Tag>
+        ),
+      },
+    ],
+    [],
+  );
 
-  const studentColumns: ColumnsType<StudentItem> = useMemo(() => [
-    { title: '姓名', dataIndex: 'studentName' },
-    { title: '学号', dataIndex: 'studentNo', render: (v: string) => v || '-' },
-    { title: '班级', dataIndex: 'className' },
-    { title: '加入日期', dataIndex: 'joinDate', render: (v: string) => v || '-' },
-  ], []);
+  const studentColumns: ColumnsType<StudentItem> = useMemo(
+    () => [
+      { title: '姓名', dataIndex: 'studentName' },
+      { title: '学号', dataIndex: 'studentNo', render: (v: string) => v || '-' },
+      { title: '班级', dataIndex: 'className' },
+      { title: '加入日期', dataIndex: 'joinDate', render: (v: string) => v || '-' },
+    ],
+    [],
+  );
 
   if (loading) {
     return (