"fix-auto-open-guests-for-restaurant"

frontend/src/pages/NewInvoice.tsx

@@ -2,7 +2,7 @@
  * Page "Nouvelle facture"
  * Flux complet : capture → recadrage → OCR → formulaire → invités → envoi
  */
-import { useState, lazy, Suspense, useRef } from 'react';
+import { useState, lazy, Suspense, useRef, useEffect } from 'react';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import toast from 'react-hot-toast';
 import api from '../api/client';
@@ -68,6 +68,14 @@ export default function NewInvoice() {
     queryFn: () => api.get('/categories').then((r) => r.data),
   });
 
+  // Auto-ouvrir la section invités quand la catégorie est "Restaurant"
+  useEffect(() => {
+    const selected = categories.find((c) => c.id === parseInt(categoryId));
+    if (selected?.name?.toLowerCase().includes('restaurant')) {
+      setShowGuests(true);
+    }
+  }, [categoryId, categories]);
+
   // ── Mutation upload image ───────────────────────────────────
   const uploadMutation = useMutation({
     mutationFn: async (dataUrl: string) => {