Examine source code of promptpass

{
  "manifest_version": 2,
  "name": "promptpass",
  "version": "1.0.0",
  "description": "Auto-switch between AI accounts when rate limits are hit — carries your conversation context seamlessly.",
  "permissions": [
    "cookies",
    "tabs",
    "storage",
    "activeTab",
    "notifications",
    "https://claude.ai/*",
    "https://chatgpt.com/*",
    "https://chat.openai.com/*",
    "https://gemini.google.com/*",
    "https://aistudio.google.com/*",
    "https://codex.openai.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://claude.ai/*",
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://gemini.google.com/*",
        "https://aistudio.google.com/*",
        "https://codex.openai.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "content_security_policy": "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; object-src 'none'",
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "promptpass",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "promptpass@0506hil.github",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteContent"
        ]
      }
    }
  }
}