feat(lesson-preparation): add anchor canvas design, new blocks, and textbook content node

- Add anchor injector for canvas-based anchor positioning

- Add new block components: blackboard, homework, import, key-point, new-teaching, objective, summary

- Add textbook content node for React Flow canvas

- Update actions (kp, publish, main), data-access (templates, versions, main)

- Update editor, node-editor, block-renderer, and picker components

- Update schema, types, hooks, and lib utilities (document-migration, node-summary, rf-mappers)

src/modules/lesson-preparation/actions-publish.ts

@@ -4,10 +4,11 @@ import { revalidatePath } from "next/cache";
 import { getTranslations } from "next-intl/server";
 import {
   requirePermission,
-  PermissionDeniedError,
 } from "@/shared/lib/auth-guard";
 import { Permissions } from "@/shared/types/permissions";
+import { handleActionError, safeParseDate } from "@/shared/lib/action-utils";
 import { publishLessonPlanHomework, PublishServiceError } from "./publish-service";
+import { publishLessonPlanHomeworkSchema } from "./schema";
 import type { ActionState } from "./types";
 
 export async function publishLessonPlanHomeworkAction(input: {
@@ -19,19 +20,26 @@ export async function publishLessonPlanHomeworkAction(input: {
 }): Promise<ActionState<{ examId: string; assignmentId: string }>> {
   const t = await getTranslations("lessonPreparation");
   try {
+    const parsed = publishLessonPlanHomeworkSchema.safeParse(input);
+    if (!parsed.success) {
+      return { success: false, errors: parsed.error.flatten().fieldErrors };
+    }
+
     const ctx = await requirePermission(
       Permissions.LESSON_PLAN_PUBLISH,
     );
     await requirePermission(Permissions.HOMEWORK_CREATE);
     const result = await publishLessonPlanHomework({
-      planId: input.planId,
-      blockId: input.blockId,
+      planId: parsed.data.planId,
+      blockId: parsed.data.blockId,
       userId: ctx.userId,
-      classIds: input.classIds,
-      availableAt: input.availableAt
-        ? new Date(input.availableAt)
+      classIds: parsed.data.classIds,
+      availableAt: parsed.data.availableAt
+        ? safeParseDate(parsed.data.availableAt, "可用时间")
+        : undefined,
+      dueAt: parsed.data.dueAt
+        ? safeParseDate(parsed.data.dueAt, "截止时间")
         : undefined,
-      dueAt: input.dueAt ? new Date(input.dueAt) : undefined,
     });
     revalidatePath("/teacher/lesson-plans");
     revalidatePath("/teacher/homework");
@@ -43,17 +51,12 @@ export async function publishLessonPlanHomeworkAction(input: {
       },
     };
   } catch (e) {
-    if (e instanceof PermissionDeniedError)
-      return { success: false, message: e.message };
     // publish-service 抛出 PublishServiceError（含 code），翻译为 i18n 消息
     if (e instanceof PublishServiceError) {
       const messageKey = PUBLISH_ERROR_KEY_MAP[e.code] ?? "error.publish";
       return { success: false, message: t(messageKey) };
     }
-    return {
-      success: false,
-      message: e instanceof Error ? e.message : t("error.publish"),
-    };
+    return handleActionError(e);
   }
 }