feat(output): add wrapper and failed conversion handling

output/Docker/run-output-processor.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# Wrapper to run docker compose with the caller's UID/GID so generated files stay writable.
+set -euo pipefail
+
+if ! command -v docker >/dev/null 2>&1; then
+  echo "Error: docker is not installed or not on PATH." >&2
+  exit 1
+fi
+
+if docker compose version >/dev/null 2>&1; then
+  COMPOSE_CMD=(docker compose)
+elif command -v docker-compose >/dev/null 2>&1; then
+  COMPOSE_CMD=(docker-compose)
+else
+  echo "Error: docker compose plugin or docker-compose binary is required." >&2
+  exit 1
+fi
+
+CALLER_UID=$(id -u)
+CALLER_GID=$(id -g)
+
+SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+
+# Run docker compose from the Docker directory so it picks up the bundled yaml.
+(
+  cd "${SCRIPT_DIR}"
+  LOCAL_UID="${CALLER_UID}" LOCAL_GID="${CALLER_GID}" "${COMPOSE_CMD[@]}" "$@"
+)