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/lesson-preparation.json

@@ -93,7 +93,34 @@
     "unknownBlockType": "未知节点类型",
     "nodeSummaryEmpty": "空",
     "questionCount": "{count} 道题",
-    "charCount": "{count} 字"
+    "charCount": "{count} 字",
+    "itemCount": "{count} 项",
+    "pointCount": "{count} 个要点",
+    "assignmentCount": "{count} 个作业",
+    "durationMin": "{count} 分钟",
+    "textbookContent": "课文正文",
+    "textbookContentMissing": "正文节点缺失",
+    "textbookContentEmpty": "（未加载课文内容）",
+    "zoomIn": "放大",
+    "zoomOut": "缩小",
+    "rangeAnchorTitle": "为选中文本关联节点",
+    "pointAnchorTitle": "在此位置插入占位符 {number}",
+    "anchorToSelectedNode": "关联到当前选中节点",
+    "anchorToNewNode": "关联到新节点"
+  },
+  "picker": {
+    "textbookLabel": "选择教材",
+    "chapterLabel": "选择课文",
+    "selectTextbook": "请选择教材...",
+    "selectChapter": "请选择课文...",
+    "selectTextbookFirst": "请先选择教材",
+    "loadingTextbooks": "加载教材中...",
+    "loadingChapters": "加载章节中...",
+    "noTextbooks": "暂无可用教材，请先在教材模块创建",
+    "noChapters": "该教材暂无章节",
+    "selectedChapter": "已选课文：{chapter}",
+    "skeletonHint": "将自动生成以课文正文为核心的备课骨架（含 10 个教学节点）",
+    "errorTextbookChapterRequired": "请选择教材和课文"
   },
   "filters": {
     "searchPlaceholder": "搜索标题...",
@@ -126,13 +153,15 @@
     "linked": "已关联 {count} 个知识点",
     "annotate": "标注知识点",
     "select": "选择知识点",
-    "selected": "已选 {count} 个"
+    "selected": "已选 {count} 个",
+    "loading": "加载中..."
   },
   "questionBank": {
     "title": "从题库选择题目",
     "add": "添加",
     "insert": "插入",
     "selected": "已选 {count} 题",
+    "loading": "加载中...",
     "source": {
       "bank": "题库",
       "inline": "新建"