feat(shared): add UI components, hooks, form fields, and action utils

- Add UI components: confirm-delete-dialog, empty-table-row, list-pagination, pagination, status-badge

- Add form-fields directory for reusable form field components

- Add hooks: use-action-mutation, use-action-query for server action integration

- Add action-utils lib for action state helpers

- Update a11y components, charts, global-search, onboarding-gate, question components

- Update UI components: chip-nav, filter-bar, page-header, stat-card, stat-item, switch, table

- Update hooks: use-action-with-toast, use-aria-live, use-debounce, use-local-storage, use-media-query, use-permission

- Update lib: a11y, ai, audit-logger, auth-guard, bcrypt-utils, change-logger, download, excel, file-storage, http-utils, login-logger, password-policy, password-security-service, permissions, rate-limit, role-utils, search-params, session, storage-provider

- Update types: action-state, permissions

- Update i18n messages (en, zh-CN) for dashboard, diagnostic, grades, lesson-preparation, settings

src/shared/components/ui/empty-table-row.tsx

@@ -0,0 +1,37 @@
+import {
+  TableCell,
+  TableRow,
+} from "@/shared/components/ui/table"
+
+/**
+ * 表格空行：统一的"无数据"占位行。
+ *
+ * 覆盖以下重复模式（3 个审计表格逐行复制）：
+ * - audit-log-table.tsx: colSpan=7, "No audit logs found."
+ * - login-log-table.tsx: colSpan=6, "No login logs found."
+ * - data-change-log-table.tsx: colSpan=7, "No data change logs found."
+ *
+ * 结构：TableRow > TableCell(colSpan, h-24, text-center, text-muted-foreground)。
+ */
+interface EmptyTableRowProps {
+  /** 跨列数 */
+  colSpan: number
+  /** 空状态文案（默认 "No data found."） */
+  message?: string
+}
+
+export function EmptyTableRow({
+  colSpan,
+  message = "No data found.",
+}: EmptyTableRowProps) {
+  return (
+    <TableRow>
+      <TableCell
+        colSpan={colSpan}
+        className="h-24 text-center text-muted-foreground"
+      >
+        {message}
+      </TableCell>
+    </TableRow>
+  )
+}