feat(0.2.1): M2 服务端同步接入 —— /api/powersync token+upload 幂等上行, 项目/任务/拷贝链路接入 uuid 与编号分配 (identity 助手)

server/task-domain/copyTask.js

@@ -1,6 +1,7 @@
 // 任务模块: 跨项目拷贝 (T-CP-*)
 // 拷贝而非移动: 新建记录 + 深拷贝子任务, 源任务零改动.
 import { prisma } from '../db.js'
+import { genUuid, withUuid, withTaskNumber } from './identity.js'
 
 /**
  * 拷贝一条任务(含子任务)到目标项目。
@@ -38,6 +39,7 @@ export async function copyTask({ source, targetProject, targetColumns, operatorI
   const droppedAssignee = source.assigneeId && !memberSet.has(source.assigneeId) ? source.assignee : null
 
   const baseData = (extra) => ({
+    uuid: genUuid(),
     projectId: targetProject.id,
     title: source.title,
     description: source.description || '',
@@ -50,33 +52,39 @@ export async function copyTask({ source, targetProject, targetColumns, operatorI
     doneAt: source.status === 'done' ? (source.doneAt || new Date()) : null,
     sortOrder: source.sortOrder ?? 0,
     tags: {
-      create: (source.tags || []).map((t) => ({ name: t.name })),
+      create: withUuid((source.tags || []).map((t) => ({ name: t.name }))),
     },
   })
 
-  const newTask = await prisma.task.create({
-    data: {
-      ...baseData({ columnId: pickColumn(source.columnId) }),
-      members: {
-        create: keptMemberIds.map((uid) => ({ userId: uid })),
+  const { value: newTask } = await withTaskNumber(targetProject.id, (number) =>
+    prisma.task.create({
+      data: {
+        ...baseData({ columnId: pickColumn(source.columnId) }),
+        number,
+        members: {
+          create: withUuid(keptMemberIds.map((uid) => ({ userId: uid }))),
+        },
       },
-    },
-  })
+    }),
+  )
 
   // 子任务: 同法复制, parentId 指向新父任务
   for (const child of source.children || []) {
     const childMembers = (child.members || [])
       .filter((m) => memberSet.has(m.userId))
       .map((m) => m.userId)
-    await prisma.task.create({
-      data: {
-        ...baseData({
-          columnId: pickColumn(child.columnId),
-          parentId: newTask.id,
-        }),
-        members: { create: childMembers.map((uid) => ({ userId: uid })) },
-      },
-    })
+    await withTaskNumber(targetProject.id, (number) =>
+      prisma.task.create({
+        data: {
+          ...baseData({
+            columnId: pickColumn(child.columnId),
+            parentId: newTask.id,
+          }),
+          number,
+          members: { create: withUuid(childMembers.map((uid) => ({ userId: uid }))) },
+        },
+      }),
+    )
   }
 
   return {