Examine source code of AT Protocol Handler

{
  "manifest_version": 3,
  "name": "AT Protocol Handler",
  "version": "1.1.4",
  "description": "AT Protocol utilities: handle tools, post filtering, PDS info.",
  "action": {
    "default_popup": "inst.html"
  },
  "permissions": [
    "tabs",
    "clipboardRead",
    "storage"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "https://bsky.app/*",
    "https://deer.social/*",
    "https://klearsky.pages.dev/*",
    "https://wsocial.eu/*",
    "https://mu.social/*",
    "https://blacksky.community/*",
    "https://northsky.app/*"
  ],
  "omnibox": {
    "keyword": "at"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://wsocial.eu/*",
        "https://bsky.app/*",
        "https://mu.social/*",
        "https://deer.social/*",
        "https://blacksky.community/*",
        "https://northsky.app/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://pdsls.dev/*"
      ],
      "js": [
        "pdsls-editor.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "corkiejp@gmail.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}