fix: harden review and verifier governance

scripts/scripts_conflict_detection_test.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+OUT="$(mktemp)"
+trap 'rm -f "$OUT"' EXIT
+
+set +e
+go test -tags llm_script ./scripts >"$OUT" 2>&1
+RC=$?
+set -e
+
+if [[ "$RC" -eq 0 ]]; then
+  echo "expected go test -tags llm_script ./scripts to fail before conflict isolation"
+  exit 1
+fi
+
+grep -q 'main redeclared in this block' "$OUT"
+grep -Eq 'ModelPricing redeclared in this block|logger redeclared in this block' "$OUT"
+
+echo "scripts_conflict_detection_test: PASS"