feat(multiplayer): wire ranked profile runtime policy

scripts/verify_ranked_profile_integration.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Real authenticated ranked-profile response verification. The shared gate
+# keeps the existing fresh-player 404 path as its default and enables this
+# populated durable-rating fixture only for this explicit variant.
+root_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$root_dir"
+RANKED_SMOKE=1 bash scripts/verify_control_plane_integration.sh