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/routes/tasks.js

@@ -8,6 +8,7 @@ import {
 import { resolveTaskWrite } from '../task-domain/resolveStatus.js'
 import { filterVisible } from '../task-domain/retention.js'
 import { copyTask } from '../task-domain/copyTask.js'
+import { genUuid, withUuid, withTaskNumber } from '../task-domain/identity.js'
 
 const router = Router()
 router.use(authRequired)
@@ -101,28 +102,30 @@ router.post('/projects/:id/tasks', async (req, res, next) => {
     }
 
     const firstCol = columns[0]
-    const row = await prisma.task.create({
-      data: {
-        projectId: project.id,
-        columnId: firstCol.id,
-        parentId: pid,
-        title: cleanTitle,
-        description: String(description || ''),
-        kind: kind ? String(kind).trim().slice(0, 20) : null,
-        markDate: mark,
-        status: firstCol.boundStatus || 'todo',
-        assigneeId: finalAssignee,
-        creatorId: userId,
-        extras: [],
-        members: {
-          create: (Array.isArray(memberIds) ? memberIds : [])
-            .map(Number).filter((id) => memberSet.has(id))
-            .map((uid) => ({ userId: uid })),
-        },
-        tags: { create: (Array.isArray(tags) ? tags : []).filter(Boolean).map((n) => ({ name: String(n).slice(0, 20) })) },
+    const taskData = {
+      uuid: req.body?.uuid || genUuid(),
+      projectId: project.id,
+      columnId: firstCol.id,
+      parentId: pid,
+      title: cleanTitle,
+      description: String(description || ''),
+      kind: kind ? String(kind).trim().slice(0, 20) : null,
+      markDate: mark,
+      status: firstCol.boundStatus || 'todo',
+      assigneeId: finalAssignee,
+      creatorId: userId,
+      extras: [],
+      members: {
+        create: withUuid((Array.isArray(memberIds) ? memberIds : [])
+          .map(Number).filter((id) => memberSet.has(id))
+          .map((uid) => ({ userId: uid }))),
       },
-      include: TASK_INCLUDE,
-    })
+      tags: { create: withUuid((Array.isArray(tags) ? tags : []).filter(Boolean).map((n) => ({ name: String(n).slice(0, 20) }))) },
+    }
+    // 项目内自增编号 (展示 `code-number`): 服务端分配, 并发冲突时重取 max+1 重试
+    const { value: row } = await withTaskNumber(project.id, (number) =>
+      prisma.task.create({ data: { ...taskData, number }, include: TASK_INCLUDE }),
+    )
     res.json({ item: shape(row) })
   } catch (e) { next(e) }
 })
@@ -250,7 +253,7 @@ router.put('/tasks/:id', async (req, res, next) => {
       await prisma.taskMember.deleteMany({ where: { taskId: task.id } })
       if (ids.length) {
         await prisma.taskMember.createMany({
-          data: ids.map((uid) => ({ taskId: task.id, userId: uid })),
+          data: withUuid(ids.map((uid) => ({ taskId: task.id, userId: uid }))),
         })
       }
     }
@@ -258,7 +261,7 @@ router.put('/tasks/:id', async (req, res, next) => {
       await prisma.taskTag.deleteMany({ where: { taskId: task.id } })
       const names = body.tags.map((n) => String(n).trim()).filter(Boolean).slice(0, 10)
       if (names.length) {
-        await prisma.taskTag.createMany({ data: names.map((name) => ({ taskId: task.id, name: name.slice(0, 20) })) })
+        await prisma.taskTag.createMany({ data: withUuid(names.map((name) => ({ taskId: task.id, name: name.slice(0, 20) }))) })
       }
     }