Examine source code of Keypher Password Manager

{
  "manifest_version": 2,
  "name": "KeyPher - Sovereign Password Manager",
  "version": "1.2.4",
  "description": "The ultimate privacy-first, zero-knowledge password manager. Secure your digital identity with military-grade local encryption.",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "scripting",
    "clipboardWrite",
    "downloads",
    "https://keypher-api.keypherpass.workers.dev/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "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"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "vault@keypher.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}