feat(server): passkey pre-refactor (#15060)

#### PR Dependency Tree


* **PR #15060** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* OpenApp native sign-in and native session exchange (JWT) for mobile &
desktop.
  * Centralized short-lived auth challenge store for one-time tokens.
* Encrypted per-endpoint token storage and native token handlers
(Android, iOS, Electron).

* **Improvements**
* Richer auth-method reporting (password, magic link, OAuth, passkey)
and improved sign-in flows.
* Hardened magic-link, OAuth, and session issuance; JWT-backed sessions
and websocket JWT support.
* UX tweaks: form-based password submit, OTP autocomplete, adjusted
captcha flow.

* **Bug Fixes**
  * Expanded tests and auth-state resets to avoid cross-test leakage.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/apps/electron/src/main/handlers.ts

@@ -2,6 +2,7 @@ import { I18n } from '@affine/i18n';
 import { ipcMain } from 'electron';
 
 import { AFFINE_API_CHANNEL_NAME } from '../shared/type';
+import { authHandlers } from './auth/handlers';
 import { byokStorageHandlers } from './byok-storage/handlers';
 import { clipboardHandlers } from './clipboard';
 import { configStorageHandlers } from './config-storage';
@@ -44,6 +45,7 @@ export const allHandlers = {
   popup: popupHandlers,
   i18n: i18nHandlers,
   byokStorage: byokStorageHandlers,
+  auth: authHandlers,
 };
 
 export const registerHandlers = () => {