initial commit

ios_client/EncryptedChat/Models/User.swift

@@ -0,0 +1,19 @@
+import Foundation
+
+struct User: Identifiable, Equatable {
+    let id: String
+    var username: String
+    var email: String
+    var identityKey: Data?  // Ed25519 public key (32 bytes)
+}
+
+struct UserProfile: Equatable {
+    var userId: String
+    var username: String?
+    var email: String?
+    var phone: String?
+    var phoneVisible: Bool
+    var location: String?
+    var locationVisible: Bool
+    var avatarFile: String?
+}