Examine source code of Lichess Lag Analytics

{
  "manifest_version": 3,
  "name": "Lichess Lag Analytics",
  "version": "1.0.2",
  "description": "Tracks network latency, provides post-game analysis via API, and correlates lag with win rates.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.lichess.org/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "lichess-lag-analytics@desisn.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "dashboard.html",
    "default_icon": {
      "16": "16.png",
      "32": "32.png",
      "48": "48.png",
      "64": "64.png",
      "128": "128.png"
    }
  },
  "icons": {
    "16": "16.png",
    "32": "32.png",
    "48": "48.png",
    "64": "64.png",
    "128": "128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.lichess.org/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}