Examine source code of UsageX

{
  "manifest_version": 3,
  "name": "UsageX v2",
  "version": "2.1.6",
  "description": "Track Claude.ai usage stats — session %, weekly %, effort breakdown, and more.",
  "permissions": [
    "storage",
    "alarms",
    "tabs",
    "notifications"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none';"
  },
  "host_permissions": [
    "https://claude.ai/*",
    "https://www.claude.ai/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://claude.ai/*",
        "https://www.claude.ai/*"
      ],
      "js": [
        "inject-loader.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://claude.ai/*",
        "https://www.claude.ai/*"
      ],
      "js": [
        "db.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "debug-viewer.html",
        "debug-viewer.css",
        "debug-viewer.js",
        "inject.js",
        "popup.html",
        "popup.css",
        "popup.js"
      ],
      "matches": [
        "https://claude.ai/*",
        "https://www.claude.ai/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "UsageX v2",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "usagex@local.extension",
      "strict_min_version": "109.0"
    },
    "gecko_android": {
      "strict_min_version": "120.0"
    }
  }
}