add passkey & totp

src/Jiaowu.Api/Domain/Identity/PasskeyCredential.cs

@@ -0,0 +1,20 @@
+namespace Jiaowu.Api.Domain.Identity;
+
+/// <summary>Public WebAuthn credential material. Private keys never leave the authenticator.</summary>
+public sealed class PasskeyCredential
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public Guid UserId { get; set; }
+    public required string CredentialId { get; set; }
+    /// <summary>SHA-256 of the raw credential ID, used for a portable unique index.</summary>
+    public required string CredentialIdHash { get; set; }
+    public required byte[] PublicKey { get; set; }
+    public uint SignatureCounter { get; set; }
+    public required string FriendlyName { get; set; }
+    public string? Transports { get; set; }
+    public bool IsBackupEligible { get; set; }
+    public bool IsBackedUp { get; set; }
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime? LastUsedAt { get; set; }
+    public ApplicationUser? User { get; set; }
+}