feat: prisma schema, groups API, deploy workflow

app/server/api/canvas/[id].delete.ts

@@ -0,0 +1,15 @@
+import { requireAuth } from '~/server/utils/auth'
+import { canvases } from '~/server/utils/db'
+
+export default defineEventHandler(async (event) => {
+  requireAuth(event)
+  const id = getRouterParam(event, 'id')
+
+  if (!canvases.has(id || '')) {
+    throw createError({ statusCode: 404, message: 'Canvas not found' })
+  }
+
+  canvases.delete(id || '')
+
+  return { success: true, message: 'Canvas deleted' }
+})