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/i18n/messages/zh-CN/diagnostic.json

@@ -34,9 +34,17 @@
   "chart": {
     "radarTitle": "知识点掌握度",
     "radarDescription": "掌握度雷达图（学生 vs 班级平均）",
+    "radarDescriptionNonEmpty": "各知识点掌握度（0-100）雷达图。",
     "heatmapTitle": "知识点掌握度热力图",
     "rankingTitle": "知识点排名",
-    "noMasteryData": "暂无知识点掌握度记录"
+    "noMasteryData": "暂无知识点掌握度记录",
+    "noMasteryDataForStudent": "暂无该学生的知识点掌握度记录。",
+    "radarEmptyTitle": "暂无掌握度数据",
+    "radarAriaLabelEmpty": "知识点掌握度雷达图：暂无数据",
+    "radarAriaLabelNonEmpty": "知识点掌握度雷达图：共 {count} 个知识点的掌握度{withClassAverage}",
+    "withClassAverage": "（含班级平均对比）",
+    "studentSeries": "学生",
+    "classAvgSeries": "班级平均"
   },
   "report": {
     "generate": "生成诊断报告",
@@ -44,6 +52,7 @@
     "generateClass": "生成班级诊断报告",
     "publish": "发布",
     "delete": "删除",
+    "export": "导出",
     "publishTitle": "发布报告",
     "publishConfirmation": "确定要发布此报告吗？发布后将对相关人员可见。",
     "deleteTitle": "删除报告",
@@ -82,6 +91,99 @@
     "publishFailed": "发布失败",
     "deleteFailed": "删除失败",
     "loadFailed": "加载失败",
+    "exportFailed": "导出失败",
     "retry": "重试"
+  },
+  "classDiagnostic": {
+    "noClassDataTitle": "暂无班级数据",
+    "heatmapDescription": "各知识点平均掌握度（绿色≥80%优秀，黄色60-79%良好，橙色40-59%待提升，红色<40%薄弱）。",
+    "noKnowledgePointData": "暂无知识点数据。",
+    "heatmapAriaLabel": "知识点掌握度热力图，共 {count} 个知识点，颜色表示掌握度等级：绿色≥80%优秀，黄色60-79%良好，橙色40-59%待提升，红色<40%薄弱",
+    "masteryLevelExcellent": "优秀",
+    "masteryLevelGood": "良好",
+    "masteryLevelNeedsImprovement": "待提升",
+    "masteryLevelWeak": "薄弱",
+    "legendLabel": "颜色图例",
+    "noRankingData": "暂无数据。",
+    "knowledgePointColumn": "知识点",
+    "avgMasteryColumn": "平均掌握度",
+    "masteredColumn": "已掌握（≥80%）",
+    "notMasteredColumn": "未掌握（<60%）",
+    "studentsNeedingAttentionTitle": "需重点关注的学生（平均<60%）",
+    "studentsNeedingAttentionDescription": "掌握度较低的学生。",
+    "allStudentsAboveThreshold": "所有学生的掌握度均高于关注阈值。",
+    "weakPointsColumn": "薄弱点",
+    "viewAction": "查看",
+    "viewAriaLabel": "查看 {studentName} 的诊断详情",
+    "filterByKpTitle": "按知识点筛选学生",
+    "filterByKpDescription": "选择知识点查看班级所有学生在此知识点上的掌握度，便于针对性辅导。",
+    "kpFilterLabel": "选择知识点",
+    "kpFilterPlaceholder": "请选择知识点",
+    "kpFilterAll": "全部知识点",
+    "filtering": "筛选中...",
+    "totalQuestionsColumn": "总题数",
+    "correctQuestionsColumn": "正确数",
+    "statusColumn": "状态",
+    "needsAttention": "需关注",
+    "mastered": "已掌握",
+    "noStudentsForKp": "该知识点暂无学生掌握度数据。",
+    "generateDescription": "生成包含汇总分析的班级诊断报告。",
+    "periodLabel": "周期（YYYY-MM）",
+    "generating": "生成中...",
+    "generateButton": "生成班级报告"
+  },
+  "reportList": {
+    "caption": "学情诊断报告列表",
+    "typeColumn": "类型",
+    "studentTargetColumn": "学生 / 目标",
+    "periodColumn": "周期",
+    "scoreColumn": "得分",
+    "statusColumn": "状态",
+    "generatedByColumn": "生成者",
+    "dateColumn": "日期",
+    "actionsColumn": "操作",
+    "classReportPlaceholder": "（班级报告）",
+    "gradeReportPlaceholder": "（年级报告）",
+    "noReportsDescription": "生成诊断报告后将显示在此处。",
+    "publishConfirmation": "发布后报告将对相关学生可见。确定要发布吗？",
+    "publishAriaLabel": "发布报告 {studentName}",
+    "deleteAriaLabel": "删除报告 {studentName}",
+    "exportAriaLabel": "导出报告 {studentName}",
+    "exportSuccess": "报告已导出",
+    "share": "分享",
+    "shareAriaLabel": "分享报告 {studentName}",
+    "shareTitle": "分享报告",
+    "shareDescription": "复制报告链接分享给学生或家长。",
+    "shareLinkLabel": "报告链接",
+    "copyLink": "复制链接",
+    "copyLinkSuccess": "链接已复制",
+    "copyLinkFailed": "复制链接失败",
+    "shareLinkAriaLabel": "报告分享链接",
+    "confidenceColumn": "置信度",
+    "confidenceHigh": "高",
+    "confidenceMedium": "中",
+    "confidenceLow": "低",
+    "confidenceInsufficient": "数据不足",
+    "confidenceHighHint": "数据充足，报告结论可靠",
+    "confidenceMediumHint": "数据量一般，建议结合其他信息参考",
+    "confidenceLowHint": "数据量较少，结论仅供参考",
+    "confidenceAriaLabel": "数据置信度：{level}"
+  },
+  "studentDiagnostic": {
+    "noDataDescription": "无法加载学生掌握度数据。",
+    "strengthsDescription": "掌握度较高的知识点。",
+    "weaknessesDescription": "需要关注的知识点。",
+    "diagnosticReportTitle": "诊断报告",
+    "overallLabel": "总体",
+    "historyDescription": "历史诊断报告（按时间倒序）。",
+    "untitledPeriod": "未命名周期",
+    "strengthsListAriaLabel": "优势知识点列表",
+    "weaknessesListAriaLabel": "薄弱知识点列表",
+    "recommendationsListAriaLabel": "学习建议列表",
+    "practiceAriaLabel": "练习知识点：{name}",
+    "noStrengths": "暂无强项知识点。",
+    "noWeaknesses": "暂无弱项知识点。",
+    "reportMeta": "周期：{period} · 总体：{score}%",
+    "historyReportMeta": "{date} · 总体：{score}%"
   }
 }