initial commit

ios_client/EncryptedChat/Views/Components/CircularAvatarView.swift

@@ -0,0 +1,46 @@
+import SwiftUI
+
+struct CircularAvatarView: View {
+    let name: String
+    var imageData: Data?
+    var size: CGFloat = 32
+    var isGroup: Bool = false
+
+    var body: some View {
+        if let imageData = imageData, let uiImage = UIImage(data: imageData) {
+            Image(uiImage: uiImage)
+                .resizable()
+                .aspectRatio(contentMode: .fill)
+                .frame(width: size, height: size)
+                .clipShape(Circle())
+        } else {
+            // Default: colored circle with initial letter
+            ZStack {
+                Circle()
+                    .fill(avatarColor)
+                    .frame(width: size, height: size)
+
+                Text(initial)
+                    .font(.system(size: size * 0.4, weight: .semibold))
+                    .foregroundStyle(.white)
+            }
+        }
+    }
+
+    private var initial: String {
+        String(name.prefix(1)).uppercased()
+    }
+
+    /// Deterministic color from name hash (matching Python gui_client behavior)
+    private var avatarColor: Color {
+        let colors: [Color] = [
+            .red, .orange, .yellow, .green, .mint,
+            .teal, .cyan, .blue, .indigo, .purple, .pink
+        ]
+        var hash = 0
+        for char in name.unicodeScalars {
+            hash = hash &* 31 &+ Int(char.value)
+        }
+        return colors[abs(hash) % colors.count]
+    }
+}