Examine source code of Celestia Leads Instagram

{
  "manifest_version": 3,
  "name": "CelestialLeads Instagram Auto-Send v2",
  "version": "2.1.0",
  "description": "Automatically send pre-generated Instagram DMs on behalf of CelestialLeads users.",
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "https://www.instagram.com/*",
    "https://instagram.com/*",
    "https://celestialeads.com/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://celestialeads.com/*"
      ],
      "js": [
        "bridge.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "autosend-v2@celestialeads.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}