Add passkey authentication as alternative to magic links #2027
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Implements WebAuthn passkey support for passwordless authentication, addressing the request in Discussion basecamp#1919 where maintainers indicated preference for passkeys over traditional passwords. Features: - Sign in with passkey from the login page - Sign up with passkey (or fall back to email verification) - Manage passkeys from Settings menu (add/remove) - Users with passkeys see a choice screen (passkey or email) Technical details: - Uses webauthn gem (~> 3.0) for WebAuthn/FIDO2 protocol - Passkeys stored with identity (not account-scoped) - Supports discoverable credentials (resident keys) - Per-request relying party configuration for multi-domain support
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Summary
Implements WebAuthn passkey support for passwordless authentication, addressing the request in Discussion #1919 where maintainers indicated preference for passkeys over traditional passwords.
Features
Technical Details
webauthngem (~> 3.0) for WebAuthn/FIDO2 protocolScreenshots
Testing
Acknowledgments
This implementation was largely developed with assistance from Claude Code (Opus 4.5 from Anthropic).
Refs: #1919 (comment)