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/lib/rf-mappers.ts

@@ -6,6 +6,18 @@ import type {
 } from "../types";
 import { getNodeColor } from "./node-summary";
 
+/**
+ * 纯函数：根据 nodeId 从节点列表中查找节点类型。
+ * P0-8 修复：toRfEdges 需要节点类型来获取颜色，而非传入 nodeId。
+ */
+function getNodeTypeById(
+  nodes: AnyLessonPlanNode[],
+  nodeId: string,
+): string {
+  const node = nodes.find((n) => n.id === nodeId);
+  return node?.type ?? "rich_text";
+}
+
 /**
  * 纯函数：将课案 nodes/edges 映射为 React Flow 格式。
  * 从 node-editor.tsx 抽取，便于单元测试。
@@ -103,14 +115,16 @@ export function toRfEdges(
   edges: AnyLessonPlanEdge[],
   selectedNodeId: string | null,
   anchors: NodeAnchor[],
+  nodes: AnyLessonPlanNode[] = [],
 ): Edge[] {
   return edges.map((e) => {
     if (e.type === "anchor") {
       // 锚点边：默认 40% 透明度，选中关联节点时 100%
       const anchor = anchors.find((a) => a.id === e.anchorId);
       const isActive = anchor && anchor.nodeId === selectedNodeId;
-      // P1-4 修复：使用锚点关联节点的颜色，而非硬编码蓝色
-      const strokeColor = anchor ? getNodeColor(anchor.nodeId) : "#9e9e9e";
+      // P0-8 修复：传入节点 type 而非 nodeId，使颜色映射正确生效
+      const nodeType = anchor ? getNodeTypeById(nodes, anchor.nodeId) : "rich_text";
+      const strokeColor = getNodeColor(nodeType);
       return {
         ...e,
         animated: isActive,