Examine source code of ScanSan Property Assistant

{
  "manifest_version": 3,
  "name": "ScanSan Property Assistant",
  "version": "2.0.20",
  "description": "Advanced property listing assistant for estate agents",
  "browser_specific_settings": {
    "gecko": {
      "id": "scansan-extension@scansanproperties.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "personalCommunications",
          "locationInfo",
          "browsingActivity",
          "websiteContent",
          "websiteActivity",
          "searchTerms"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "scripting",
    "notifications",
    "unlimitedStorage"
  ],
  "host_permissions": [
    "https://www.zoopla.co.uk/*",
    "https://*.zoopla.co.uk/*",
    "https://rubystoneestates.com/*",
    "https://*.rubystoneestates.com/*",
    "https://www.rightmove.co.uk/*",
    "https://*.rightmove.co.uk/*",
    "https://paa.scansanproperties.com/*",
    "https://*.scansanproperties.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.zoopla.co.uk/*",
        "https://*.zoopla.co.uk/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    },
    {
      "matches": [
        "https://rubystoneestates.com/*",
        "https://*.rubystoneestates.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    },
    {
      "matches": [
        "https://www.rightmove.co.uk/*",
        "https://*.rightmove.co.uk/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_popup": "src/popup/index.html",
    "default_title": "ScanSan Property Assistant"
  },
  "commands": {
    "trigger_scrape": {
      "suggested_key": {
        "default": "Alt+Shift+S",
        "mac": "Alt+Shift+S"
      },
      "description": "Trigger Scansan search scrape"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "*.css",
        "*.js",
        "*.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}