fix(gateway): accept normal tRPC batch paths

app/gateway-api/src/fastifyOptions.ts

@@ -0,0 +1,6 @@
+export const gatewayFastifyRouterOptions = {
+    // tRPC joins batched procedure names in a single route parameter. Fastify's
+    // default limit is 100 characters, which is shorter than normal admin-page
+    // startup batches such as capabilities + profiles + release state.
+    maxParamLength: 2_048,
+} as const;