Examine source code of 九头虫数据采集（页面自动化采集）

{
  "author": "今晚上山打老虎",
  "short_name": "九头虫数据采集",
  "name": "九头虫数据采集（自动化数据采集）",
  "description": "单页采集/多页面采集/接口采集/自动化采集/计划任务",
  "manifest_version": 2,
  "version": "5.1.4",
  "homepage_url": "https://jtc.lhyhq.cn",
  "icons": {
    "128": "/public/logo.png"
  },
  "permissions": [
    "alarms",
    "notifications",
    "tabs",
    "activeTab",
    "scripting",
    "downloads",
    "storage",
    "devtools",
    "unlimitedStorage",
    "<all_urls>"
  ],
  "devtools_page": "/devtool.html",
  "browser_action": {
    "default_title": "九头虫数据采集（单页采集/多页面采集/接口采集/页面自动化）"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "browser-polyfill.js",
        "jtc.js",
        "content_transfer.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "service_script.js"
    ]
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval' https://umami.lhyhq.cn/umami.js; object-src 'self'",
  "web_accessible_resources": [
    "*.png",
    "/public/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b35fae2d-4d0e-4231-9c7c-929c55b05bf4}"
    }
  }
}