** FIDO: Add new CLI commands for PIN management and authenticator config
(force-change, set-min-length, toggle-always-uv, enable-ep-attestation).
** PIV: Improve handling of legacy "PUK blocked" flag.
** PIV: Improve handling of malformed certificates.
** PIV: Display key information in "piv info" output on supported devices.
** OTP: Fix some commands incorrectly showing errors when used over NFC/CCID.
** Add tab-completion for YubiKey serial numbers and NFC readers.