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/Schedules/index.tsx

@@ -478,7 +478,6 @@ const SchedulesPage: React.FC = () => {
     }
   };
 
-
   // ---- Classroom select options ----
 
   const classroomOptions = useMemo(
@@ -1192,17 +1191,17 @@ const SchedulesPage: React.FC = () => {
         {syncResult ? (
           /* ── 同步结果 ── */
           <div>
-            <Row gutter={16} style={{ marginBottom: 16 }}>
-              <Col span={6}>
+            <Row gutter={[16, 16]} style={{ marginBottom: 16 }}>
+              <Col xs={12} sm={6}>
                 <Statistic title="排课" value={syncResult.scheduleCount} suffix="条" />
               </Col>
-              <Col span={6}>
+              <Col xs={12} sm={6}>
                 <Statistic title="班次" value={syncResult.shiftCount} suffix="个" />
               </Col>
-              <Col span={6}>
+              <Col xs={12} sm={6}>
                 <Statistic title="考勤组" value={syncResult.groupCount} suffix="个" />
               </Col>
-              <Col span={6}>
+              <Col xs={12} sm={6}>
                 <Statistic
                   title="排班数"
                   value={syncResult.syncedItems}
@@ -1257,11 +1256,11 @@ const SchedulesPage: React.FC = () => {
         ) : syncStatus ? (
           /* ── 同步确认信息 ── */
           <div>
-            <Row gutter={16} style={{ marginBottom: 16 }}>
-              <Col span={8}>
+            <Row gutter={[16, 16]} style={{ marginBottom: 16 }}>
+              <Col xs={24} sm={8}>
                 <Statistic title="活跃排课" value={syncStatus.activeSchedules} suffix="条" />
               </Col>
-              <Col span={8}>
+              <Col xs={24} sm={8}>
                 <Statistic
                   title="已就绪班级"
                   value={syncStatus.mappedClasses}
@@ -1272,7 +1271,7 @@ const SchedulesPage: React.FC = () => {
                   }}
                 />
               </Col>
-              <Col span={8}>
+              <Col xs={24} sm={8}>
                 <Statistic
                   title="无绑定学生班级"
                   value={syncStatus.totalClasses - syncStatus.mappedClasses}