fix: harden review and verifier governance

scripts/review/release_semantics_capture_test.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+cd "$ROOT_DIR"
+
+TMP_FILE="$(mktemp)"
+trap 'rm -f "$TMP_FILE"' EXIT
+
+bash scripts/verify_phase6.sh >"$TMP_FILE" 2>&1 || true
+bash scripts/review/release_semantics_guard.sh "$TMP_FILE"
+grep -q '^RELEASE_SEMANTICS class=' "$TMP_FILE"