feat: mockup modal avec sélection image existante, familles sheets et métachamps produit

src/app/api/images/proxy/route.ts

@@ -0,0 +1,18 @@
+import { NextRequest } from 'next/server'
+import { getServerSession } from 'next-auth'
+import { authOptions } from '@/lib/auth'
+
+export async function GET(req: NextRequest) {
+  const session = await getServerSession(authOptions)
+  if (!session) return new Response('Non authentifié', { status: 401 })
+
+  const url = req.nextUrl.searchParams.get('url')
+  if (!url) return new Response('url requis', { status: 400 })
+
+  const res = await fetch(url)
+  if (!res.ok) return new Response('Fetch failed', { status: 502 })
+
+  const buffer = await res.arrayBuffer()
+  const contentType = res.headers.get('content-type') ?? 'image/jpeg'
+  return new Response(buffer, { headers: { 'Content-Type': contentType } })
+}