Examine source code of Force Phone View

{
  "manifest_version": 3,
  "name": "Force Phone View",
  "version": "1.0.1",
  "homepage_url": "https://chris-judevine.blogspot.com/2026/05/force-phone-view.html",
  "description": "Simulates a 720px wide Android environment.",
  "icons": {
    "128": "data/icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "phone-view@chris-judevine",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "webRequest",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_icon": "data/icon.png",
    "default_popup": "data/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "data/content_script.js"
      ],
      "run_at": "document_start"
    }
  ]
}