chore(r720): add acceptance evidence capture wrapper

Author: Thomas Tupper

scripts/r720-capture-acceptance.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Capture acceptance evidence for R720 cutover runs.
+# Usage:
+#   BASE_URL=https://memory.example.com ./scripts/r720-capture-acceptance.sh
+#   OUT_DIR=artifacts/r720 BASE_URL=http://localhost:8082 ./scripts/r720-capture-acceptance.sh
+
+OUT_DIR="${OUT_DIR:-artifacts/r720}"
+STAMP="$(date +%Y%m%d-%H%M%S)"
+RUN_DIR="$OUT_DIR/acceptance-$STAMP"
+mkdir -p "$RUN_DIR"
+
+BASE_URL="${BASE_URL:-http://localhost:8082}"
+DO_RESTART="${DO_RESTART:-0}"
+
+{
+  echo "timestamp=$(date '+%Y-%m-%dT%H:%M:%S%z')"
+  echo "base_url=$BASE_URL"
+  echo "do_restart=$DO_RESTART"
+} > "$RUN_DIR/context.env"
+
+set +e
+BASE_URL="$BASE_URL" DO_RESTART="$DO_RESTART" bash scripts/r720-acceptance.sh >"$RUN_DIR/output.log" 2>&1
+RC=$?
+set -e
+
+echo "$RC" > "$RUN_DIR/exit_code.txt"
+
+if [ "$RC" -eq 0 ]; then
+  echo "PASS: acceptance evidence captured at $RUN_DIR"
+else
+  echo "FAIL($RC): acceptance evidence captured at $RUN_DIR"
+fi
+
+exit "$RC"