fix(11.2): WR-04 keep the site gate's summary grep non-fatal

Under set -e a missing TAP summary aborted run_site without a refuse
message; the explicit refuse checks now report it. The site's test
script pins the TAP reporter so the summary lines exist on Node 23+.

scripts/check-phase11.2.sh

@@ -191,7 +191,8 @@ run_site() {
 		cat "$log" >&2
 		refuse "site: pnpm test failed"
 	}
-	grep -E '^# (tests|pass|fail|skipped|todo|cancelled) ' "$log"
+	# Informational; a missing TAP summary is reported by the refuse checks below.
+	grep -E '^# (tests|pass|fail|skipped|todo|cancelled) ' "$log" || true
 	grep -qx '# fail 0' "$log" || refuse "site: no '# fail 0' line"
 	grep -qE '^# pass [1-9][0-9]*$' "$log" || refuse "site: no passing tests"
 	grep -qx '# skipped 0' "$log" || refuse "site: skipped tests"