Examine source code of Frame

{
  "manifest_version": 3,
  "name": "Frame",
  "version": "0.3.0",
  "description": "Capture web page screenshots, add a browser frame, mask sensitive areas, and export. Local-first, no data collection.",
  "browser_specific_settings": {
    "gecko": {
      "id": "frame-screenshot@jomar.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "downloads",
    "clipboardWrite",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://api.imgur.com/*"
  ],
  "action": {
    "default_title": "Frame",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon.svg",
      "32": "icons/icon.svg",
      "48": "icons/icon.svg",
      "128": "icons/icon.svg"
    }
  },
  "icons": {
    "16": "icons/icon.svg",
    "48": "icons/icon.svg",
    "128": "icons/icon.svg"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "editor/editor.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}