Examine source code of Force Hover

{
  "manifest_version": 2,
  "name": "Force Hover",
  "version": "1.1.1",
  "description": "Freeze visible hover menus for inspection without expanding hidden siblings. Built by TripperDeeLabs.",
  "permissions": [
    "activeTab",
    "contextMenus",
    "clipboardWrite",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Force Hover",
    "default_popup": "popup.html",
    "default_icon": {
      "200": "icon.png"
    }
  },
  "icons": {
    "200": "icon.png"
  },
  "commands": {
    "force-hover-freeze": {
      "suggested_key": {
        "default": "Alt+F"
      },
      "description": "Freeze currently visible hover UI"
    },
    "force-hover-release": {
      "suggested_key": {
        "default": "Alt+Shift+U"
      },
      "description": "Release Force Hover freeze"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "force-hover@tripperdeelabs.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}