Examine source code of GBpass Password Manager

{
  "manifest_version": 3,
  "name": "GBpass Password Manager",
  "description": "Zero-knowledge password manager: autofill, passkeys, and an end-to-end encrypted vault that only you can unlock.",
  "version": "1.0.3",
  "short_name": "GBpass",
  "icons": {
    "16": "/icon/16.png",
    "32": "/icon/32.png",
    "48": "/icon/48.png",
    "96": "/icon/96.png",
    "128": "/icon/128.png"
  },
  "permissions": [
    "storage",
    "idle",
    "alarms"
  ],
  "host_permissions": [
    "https://api.gbpass.net/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "gbpass@gbpass.net",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "GBpass",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "all_frames": true,
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    },
    {
      "matches": [
        "http://127.0.0.1/*",
        "http://localhost/*",
        "https://*/*"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "content-scripts/webauthn-main.js"
      ],
      "world": "MAIN"
    },
    {
      "matches": [
        "http://127.0.0.1/*",
        "http://localhost/*",
        "https://*/*"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "content-scripts/webauthn-relay.js"
      ]
    }
  ]
}