Add Linux and macOS execution commands

scripts/reset-scenario.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  echo "Usage: $0 <scenario> <connect_string> [sql_client]" >&2
+}
+
+if [[ $# -lt 2 ]]; then
+  usage
+  exit 1
+fi
+
+SCENARIO="$1"
+CONNECT_STRING="$2"
+SQL_CLIENT="${3:-sql}"
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+RESET_SCRIPT="$REPO_ROOT/scenarios/$SCENARIO/sql/99_reset.sql"
+
+if [[ ! -f "$RESET_SCRIPT" ]]; then
+  echo "Reset script not found: $RESET_SCRIPT" >&2
+  exit 1
+fi
+
+echo "Resetting scenario $SCENARIO"
+"$SQL_CLIENT" "$CONNECT_STRING" "@$RESET_SCRIPT"
+