feat(settings,questions,school,textbooks): add brand config, question components, school dialogs, textbooks hooks

settings:

- Add actions-brand, brand-config, data-access-brand for brand management

- Add admin-file-upload-card, admin-notification-config-card, admin-school-info-card, admin-security-policy-card

- Add ai-provider-delete-dialog, ai-provider-selector, brand-config-card

- Add security-recent-logins-section, security-two-factor-section

- Add config/profile-overview-config, data-access-profile-overview, lib/system-settings-utils

questions:

- Add batch-operations, import-export-buttons, knowledge-point-selector, options-editor

- Add question-bank-results-client, question-cascade-filter, question-content-renderer, utils

school:

- Add grade-delete-dialog, grade-form-dialog, grade-list-toolbar, grade-overview-cards

- Add use-grade-data hook

textbooks:

- Add textbook-form-fields component

- Add use-kp-create, use-kp-delete, use-kp-update hooks

src/modules/textbooks/components/textbook-reader.tsx

@@ -53,12 +53,6 @@ export interface TextbookReaderProps {
    * 必传，否则知识点面板将始终为空。
    */
   textbookId: string
-  /**
-   * 是否可编辑。已废弃——改由内部 usePermission() 自动判断。
-   * 保留 prop 仅为向后兼容，传入值会被忽略。
-   * @deprecated 改用权限系统自动判断
-   */
-  canEdit?: boolean
   /**
    * 题目创建器渲染函数（P0-1 解耦）。
    * 由页面层注入 questions 模块的 CreateQuestionDialog 实现。
@@ -176,8 +170,11 @@ export function TextbookReader({
 
   const onCreateKnowledgePoint = async (formData: FormData) => {
     setIsCreating(true)
-    await handleCreateKnowledgePoint(formData)
-    setIsCreating(false)
+    try {
+      await handleCreateKnowledgePoint(formData)
+    } finally {
+      setIsCreating(false)
+    }
   }
 
   const handleSaveContent = async () => {
@@ -224,19 +221,13 @@ export function TextbookReader({
     return highlightKnowledgePoints(effectiveContent, currentChapterKPs)
   }, [effectiveContent, currentChapterKPs])
 
+  // P2 状态驱动：仅保留 scrollIntoView（滚动无法声明式实现），
+  // 视觉高亮已由 TextbookContentPanel 中 isHighlighted 状态驱动，无需命令式 classList 操作
   useEffect(() => {
     if (!highlightedKpId) return
     const el = document.querySelector(`[data-kp-id="${highlightedKpId}"]`)
     if (!el) return
-
     el.scrollIntoView({ behavior: "smooth", block: "center" })
-    el.classList.add("ring-2", "ring-primary", "ring-offset-2")
-    const timer = setTimeout(() => {
-      el.classList.remove("ring-2", "ring-primary", "ring-offset-2")
-    }, 2000)
-    return () => {
-      clearTimeout(timer)
-    }
   }, [highlightedKpId])
 
   // P2-4 侧边栏内容（章节/知识点/图谱 Tabs），桌面端内联、移动端抽屉复用同一份
@@ -422,24 +413,29 @@ export function TextbookReader({
           retryLabel={t("error.retry")}
         >
           <TextbookContentPanel
-            selected={selected}
-            isEditing={isEditing}
-            editContent={editContent}
-            setEditContent={setEditContent}
+            chapter={{ selected, processedContent }}
+            editing={{
+              isEditing,
+              editContent,
+              setEditContent,
+              isSaving,
+              startEditing,
+              cancelEditing: () => setIsEditing(false),
+              saveContent: handleSaveContent,
+            }}
+            selection={{
+              contentRef,
+              onPointerDown: handleContentPointerDown,
+              onContextMenuChange: handleContextMenuChange,
+              selectedText,
+              setCreateDialogOpen,
+            }}
+            highlight={{
+              highlightedKpId,
+              onHighlight: setHighlightedKpId,
+              onSwitchToKnowledgeTab: () => setActiveTab("knowledge"),
+            }}
             canEdit={canEdit}
-            highlightedKpId={highlightedKpId}
-            onHighlight={setHighlightedKpId}
-            onSwitchToKnowledgeTab={() => setActiveTab("knowledge")}
-            contentRef={contentRef}
-            onPointerDown={handleContentPointerDown}
-            onContextMenuChange={handleContextMenuChange}
-            selectedText={selectedText}
-            setCreateDialogOpen={setCreateDialogOpen}
-            startEditing={startEditing}
-            cancelEditing={() => setIsEditing(false)}
-            saveContent={handleSaveContent}
-            isSaving={isSaving}
-            processedContent={processedContent}
           />
         </TextbookSectionErrorBoundary>
       </div>