feat: add standalone site adapter collector

scripts/start-site-adapter-collector.command

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -u
+
+# 从解压目录启动 macOS 单文件采集器，并在结束后保留终端窗口供用户查看结果。
+main() {
+  local script_dir=""
+  local collector_path=""
+  local status=0
+
+  script_dir="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
+  collector_path="$script_dir/moviepilot-site-collector-macos"
+  if [[ ! -f "$collector_path" ]]; then
+    echo "未找到 moviepilot-site-collector-macos，请完整解压 ZIP 后再双击启动。" >&2
+    status=1
+  else
+    chmod +x "$collector_path"
+    cd "$script_dir" || status=1
+    if [[ "$status" -eq 0 ]]; then
+      "$collector_path" || status=$?
+    fi
+  fi
+
+  echo
+  read -r -p "按回车关闭窗口..." _
+  exit "$status"
+}
+
+main "$@"