Examine source code of Agent Assist

{
  "manifest_version": 2,
  "name": "Agent Assist",
  "description": "Text shortcuts with / and # triggers for textarea and contenteditable fields.",
  "version": "0.0.2",
  "icons": {
    "16": "/favicon/favicon-16x16.png",
    "32": "/favicon/favicon-32x32.png",
    "48": "/favicon/android-chrome-192x192.png",
    "128": "/favicon/android-chrome-192x192.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "downloads"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "agent-assist@agent-assist.app",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Agent Assist — active",
    "default_icon": {
      "16": "/favicon/favicon-16x16.png",
      "32": "/favicon/favicon-32x32.png",
      "48": "/favicon/android-chrome-192x192.png",
      "128": "/favicon/android-chrome-192x192.png"
    }
  }
}