Examine source code of TabMate - Research Assistant

{
  "manifest_version": 3,
  "name": "TabMate - Research Assistant",
  "description": "A research assistant for building knowledge as you browse and take actions when you approve.",
  "version": "0.4.0",
  "icons": {
    "16": "/branding/tabmate-16.png",
    "32": "/branding/tabmate-32.png",
    "48": "/branding/tabmate-48.png",
    "128": "/branding/tabmate-128.png",
    "192": "/branding/tabmate-192.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "https://api.tabmate.org/*"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "sidebar_action": {
    "default_panel": "sidebar.html",
    "default_title": "TabMate - Research Assistant"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@tabmate-extension",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "personalCommunications",
          "locationInfo",
          "websiteContent"
        ]
      }
    }
  },
  "action": {
    "default_title": "Open TabMate - Research Assistant",
    "default_icon": {
      "16": "/branding/tabmate-16.png",
      "32": "/branding/tabmate-32.png",
      "48": "/branding/tabmate-48.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "all_frames": true,
      "run_at": "document_idle",
      "js": [
        "content-scripts/page-context.js"
      ]
    }
  ]
}