chore: release v0.1.0.30

Behebt den TypeScript-Buildfehler, da Passkey-Signaturen Objekte und keine Strings sind.

Co-authored-by: Cursor <cursoragent@cursor.com>

VERSION

@@ -1 +1 @@
-0.1.0.30
+0.1.0.31

client/src/utils/signatures.ts

@@ -74,6 +74,6 @@ export function normalizedSerializedSignature(value: unknown): SignatureValue |
   return serializeSignature(normalizeSignature(value) || '')
 }
 
-export function fingerprintSignature(value: unknown): string {
+export function fingerprintSignature(value: unknown): SignatureValue | '' {
   return normalizedSerializedSignature(value) ?? ''
 }