Examine source code of GIF Player Controller

{
  "manifest_version": 2,
  "name": "GIF Player Controller",
  "name__zh_CN": "GIF 播放控制器",
  "version": "1.2.0",
  "description": "Smart GIF playback control with pause, progress scrubbing, and auto-load management",
  "description__zh_CN": "在 GIF 图片下方显示播放控制按钮,支持暂停和进度拖动",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "GIF Player Controller Settings"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>",
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "gifuct-js.js",
        "content.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "gif-player-controller@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}