feat: restructure into XFlow monorepo with Nuxt 4, Modular Onion Monolith, Android client, and Desktop CLI

apps/web/server/api/canvas/[id].delete.ts

@@ -0,0 +1,34 @@
+import { requireAuth } from '~/server/utils/auth'
+import { prisma } from '~/server/utils/prisma'
+
+export default defineEventHandler(async (event) => {
+  const user = requireAuth(event)
+  const id = getRouterParam(event, 'id')
+  if (!id) throw createError({ statusCode: 400, message: 'Canvas ID is required' })
+
+  const canvas = await prisma.canvas.findUnique({ where: { id } })
+  if (!canvas) throw createError({ statusCode: 404, message: 'Canvas not found' })
+  
+  // 1. Проверка прав
+  let canDelete = canvas.ownerId === user.id || user.role === 'admin'
+
+  if (!canDelete && canvas.groupId) {
+    const membership = await prisma.groupMember.findUnique({
+      where: {
+        userId_groupId: { userId: user.id, groupId: canvas.groupId }
+      }
+    })
+    // Только админ группы может удалять чужие карты внутри группы
+    if (membership && membership.role === 'admin') {
+      canDelete = true
+    }
+  }
+
+  if (!canDelete) {
+    throw createError({ statusCode: 403, message: 'Удалять карты может только владелец или администратор группы.' })
+  }
+
+  await prisma.canvas.delete({ where: { id } })
+
+  return { success: true, message: 'Canvas deleted' }
+})