refactor(simulation-ee): Sprint 3.5 clean — FTD-17/18/19 résolus, factorisation SimulationForm

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/features/dashboard/hooks/usePlan.ts

@@ -12,8 +12,9 @@
 
 import { useQuery } from '@tanstack/react-query'
 import { getPlanStatus } from '@/entities/user/api'
+import { PLAN_QUERY_KEY } from '@/entities/user/query-keys'
 
-export const PLAN_QUERY_KEY = ['plan'] as const
+export { PLAN_QUERY_KEY }
 
 export function usePlan() {
   return useQuery({