feat(lesson-preparation): add AI evaluation, analytics, attachments, calendar, comments, review, substitutes, formative, and version diff

- Add actions-ai-evaluation, actions-analytics, actions-attachments, actions-calendar, actions-comments, actions-formative, actions-questions, actions-review, actions-substitutes

- Add corresponding data-access layers for each new action module

- Add calendar-view, curriculum-map-view, version-diff-viewer components

- Add editor-slice, selection-slice, version-slice hooks for state management

- Add document-diff and scope-check lib utilities

- Add default-question-service and external-questions-bridge services

src/modules/lesson-preparation/constants.ts

@@ -21,19 +21,8 @@ export const BLOCK_TYPE_KEYS: Record<BlockType, string> = {
 // @deprecated 使用 BLOCK_TYPE_KEYS 或 useTranslations("lessonPreparation").blockType.${type} 替代
 export const BLOCK_TYPE_LABELS: Record<BlockType, string> = BLOCK_TYPE_KEYS;
 
-// 富文本类 block（共享同一编辑组件）
-export const RICH_TEXT_BLOCK_TYPES: BlockType[] = [
-  "objective",
-  "key_point",
-  "import",
-  "new_teaching",
-  "consolidation",
-  "summary",
-  "homework",
-  "blackboard",
-  "rich_text",
-  "reflection",
-];
+// P0-9 修复：富文本 block 类型判断统一由 block-registry.tsx 的 isRichTextBlock() 提供。
+// 已删除 RICH_TEXT_BLOCK_TYPES（原 10 项定义与 isRichTextBlock 的 2 项语义冲突）。
 
 // 系统预设模板骨架（seed 用）
 // V2-2 修复：title/hint 存储 i18n 键，由 createLessonPlan 调用 getTranslations 翻译