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/index.css

@@ -35,6 +35,24 @@ canvas {
   min-width: 0;
 }
 
+.app-sidebar {
+  flex: 0 0 auto;
+}
+
+.app-content > * {
+  min-width: 0;
+  max-width: 100%;
+}
+
+.ant-card,
+.ant-card-body,
+.ant-tabs,
+.ant-tabs-content-holder,
+.ant-tabs-content,
+.ant-tabs-tabpane {
+  min-width: 0;
+}
+
 .app-header {
   position: sticky;
   top: 0;
@@ -65,11 +83,15 @@ canvas {
   row-gap: 8px;
 }
 
-/* === 通用：表格容器横向滚动（防双重滚动条） === */
+/* Data tables own their horizontal scroll instead of widening the page. */
 .ant-table-wrapper {
+  width: 100%;
+  min-width: 0;
   max-width: 100%;
+}
+
+.ant-table-wrapper .ant-table-container {
   overflow-x: auto;
-  overflow-y: hidden;
   overscroll-behavior-inline: contain;
   -webkit-overflow-scrolling: touch;
 }
@@ -231,6 +253,46 @@ canvas {
   }
 }
 
+@media (max-width: 575px) {
+  .ant-card-head {
+    align-items: flex-start;
+    flex-direction: column;
+    gap: 8px;
+    padding-block: 12px;
+  }
+
+  .ant-card-head-wrapper {
+    width: 100%;
+    min-width: 0;
+  }
+
+  .ant-card-extra {
+    max-width: 100%;
+    margin-inline-start: 0;
+  }
+
+  .ant-card-extra > .ant-space {
+    flex-wrap: wrap;
+  }
+
+  .ant-form-item-control,
+  .ant-form-item-control-input,
+  .ant-form-item-control-input-content,
+  .ant-picker-range {
+    min-width: 0;
+    max-width: 100%;
+  }
+
+  .ant-statistic-content {
+    overflow-wrap: anywhere;
+  }
+}
+@media (max-width: 991px) {
+  .app-content {
+    overflow: hidden;
+  }
+}
+
 /* === 平板 (576-991px) === */
 @media (min-width: 576px) and (max-width: 991px) {
   .ant-modal {