Examine source code of CAPTCHA Diary

{
  "manifest_version": 2,
  "name": "CAPTCHA Diary",
  "version": "0.2.1",
  "description": "Persistent in-browser CAPTCHA archive: auto-captures images, cursor traces, and DOM data across visited tabs.",
  "browser_specific_settings": {
    "gecko": {
      "id": "captcha-diary@localhost",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity",
          "websiteActivity",
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png"
  },
  "permissions": [
    "activeTab",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "tabs",
    "downloads"
  ],
  "background": {
    "scripts": [
      "db.js",
      "background.js",
      "jszip.min.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    },
    "default_title": "CAPTCHA Diary",
    "default_popup": "panel.html"
  },
  "sidebar_action": {
    "default_panel": "sidebar.html",
    "default_title": "CAPTCHA Diary",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "main.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "icons/dot-gray.png",
    "icons/dot-red.png"
  ]
}