Examine source code of GX Sidebar

{
  "manifest_version": 3,
  "name": "GX Sidebar",
  "version": "1.0.1",
  "description": "Opera GX-style gaming sidebar: limiters, cleaner, messenger panels, media control.",
  "browser_specific_settings": {
    "gecko": {
      "id": "gx-sidebar@tuyck.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "browsingData",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "*://*.moonshot.cn/*",
    "*://*.aliyun.com/*",
    "*://*.chatglm.cn/*",
    "*://*.kimi.com/*",
    "*://*.qwen.ai/*",
    "*://*.z.ai/*",
    "*://*.zhipu.ai/*",
    "*://*.perplexity.ai/*",
    "*://*.chatgpt.com/*",
    "*://*.longcat.chat/*",
    "*://*.longcat.ai/*",
    "*://*.deepseek.com/*",
    "*://*.paperguide.ai/*",
    "*://*.paperpal.com/*",
    "*://*.whatsapp.com/*",
    "*://*.whatsapp.net/*",
    "*://*.discord.com/*",
    "*://*.discordapp.com/*",
    "*://*.twitch.tv/*",
    "*://*.ttvnw.net/*",
    "*://*.instagram.com/*",
    "*://*.cdninstagram.com/*",
    "*://*.facebook.com/*",
    "*://*.spotify.com/*",
    "*://*.music.apple.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_title": "GX Sidebar",
    "default_panel": "sidebar.html",
    "default_width": 448,
    "open_at_install": true
  },
  "action": {
    "default_title": "Toggle GX Sidebar"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "media-controller.js"
      ],
      "run_at": "document_idle"
    }
  ]
}