feat(warehouse): register warehouse routes in server

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/server.ts

@@ -32,6 +32,7 @@ import invoicesPdfRoutes from "./routes/admin/invoices-pdf";
 import offersPdfRoutes from "./routes/admin/offers-pdf";
 import ordersPdfRoutes from "./routes/admin/orders-pdf";
 import projectFilesRoutes from "./routes/admin/project-files";
+import warehouseRoutes from "./routes/admin/warehouse";
 
 const app = Fastify({
   logger: {
@@ -131,6 +132,7 @@ async function start() {
   await app.register(projectFilesRoutes, {
     prefix: "/api/admin/project-files",
   });
+  await app.register(warehouseRoutes, { prefix: "/api/admin/warehouse" });
 
   // --- Frontend: Vite dev middleware (dev only) ---
   if (!config.isProduction) {