feat: stabilize admin dashboard, refactor group management, implement PWA, and fix routing

app/server/api/tasks/index.get.ts

@@ -0,0 +1,55 @@
+import { requireAuth } from '~/server/utils/auth'
+import { prisma } from '~/server/utils/prisma'
+
+export default defineEventHandler(async (event) => {
+  const user = requireAuth(event)
+
+  // 1. Получаем группы пользователя
+  const userGroups = await prisma.groupMember.findMany({
+    where: { userId: user.id },
+    select: { groupId: true }
+  })
+  const groupIds = userGroups.map(g => g.groupId)
+
+  // 2. Получаем все доступные канвасы
+  const canvases = await prisma.canvas.findMany({
+    where: {
+      OR: [
+        { ownerId: user.id },
+        { groupId: { in: groupIds } },
+        { isPublic: true }
+      ]
+    },
+    select: {
+      id: true,
+      name: true,
+      nodes: true
+    }
+  })
+
+  // 3. Собираем задачи из всех канвасов
+  const allTasks: any[] = []
+
+  for (const canvas of canvases) {
+    const nodes = (canvas.nodes as any[]) || []
+    const taskNodes = nodes.filter(node => node.type === 'task')
+    
+    taskNodes.forEach(task => {
+      allTasks.push({
+        ...task,
+        canvasId: canvas.id,
+        canvasName: canvas.name
+      })
+    })
+  }
+
+  // Сортируем: сначала высокий приоритет, потом дата
+  allTasks.sort((a, b) => {
+    const pPriority = { high: 3, medium: 2, low: 1 }
+    const prioA = pPriority[a.priority || a.data?.priority] || 0
+    const prioB = pPriority[b.priority || b.data?.priority] || 0
+    return prioB - prioA
+  })
+
+  return { tasks: allTasks }
+})