feat: prisma schema, groups API, deploy workflow

app/server/api/nodes/[id].put.ts

@@ -0,0 +1,26 @@
+import { requireAuth } from '~/server/utils/auth'
+import { nodes, addAchievement } from '~/server/utils/db'
+
+export default defineEventHandler(async (event) => {
+  const user = requireAuth(event)
+  const id = getRouterParam(event, 'id')
+  const body = await readBody(event)
+
+  const existing = nodes.get(id || '') || { id, state: 'pending', assigned_to: user.id }
+
+  // Update state
+  const updated = { ...existing, ...body, updatedAt: new Date().toISOString() }
+  nodes.set(id || '', updated)
+
+  // Gamification: achievement on completion
+  if (body.state === 'completed' && existing.state !== 'completed') {
+    addAchievement(user.id, {
+      id: `completed-${id}`,
+      title: 'Задача выполнена',
+      description: `Нода ${id} завершена`,
+      icon: '✅'
+    })
+  }
+
+  return { node: updated }
+})