added passkey support (closes #6)

models/passkeys.go

@@ -0,0 +1,19 @@
+package models
+
+type PasskeyCredential struct {
+	ID             string `json:"id"`
+	UserID         string `json:"user_id"`
+	CredentialID   string `json:"credential_id"`
+	Name           string `json:"name"`
+	CredentialData string `json:"-"`
+	CreatedAt      int64  `json:"created_at"`
+	LastUsedAt     int64  `json:"last_used_at,omitempty"`
+}
+
+type PasskeyChallenge struct {
+	Token       string `json:"token"`
+	UserID      string `json:"user_id"`
+	Ceremony    string `json:"ceremony"`
+	SessionData string `json:"-"`
+	ExpiresAt   int64  `json:"expires_at"`
+}