feat: Add public key handling for avatar display and enhance paste functionality in seed phrase confirmation

app/src/main/java/com/rosetta/messenger/MainActivity.kt

@@ -205,11 +205,13 @@ fun MainScreen(
     val accountPhone = account?.publicKey?.take(16)?.let { 
         "+${it.take(1)} ${it.substring(1, 4)} ${it.substring(4, 7)}${it.substring(7)}" 
     } ?: "+7 775 9932587"
+    val accountPublicKey = account?.publicKey ?: "04c266b98ae5"
     
     ChatsListScreen(
         isDarkTheme = isDarkTheme,
         accountName = accountName,
         accountPhone = accountPhone,
+        accountPublicKey = accountPublicKey,
         onToggleTheme = onToggleTheme,
         onProfileClick = {
             // TODO: Navigate to profile

app/src/main/java/com/rosetta/messenger/ui/auth/ConfirmSeedPhraseScreen.kt

@@ -140,30 +140,11 @@ fun ConfirmSeedPhraseScreen(
                 modifier = Modifier
                     .fillMaxWidth()
                     .padding(4.dp),
-                verticalAlignment = Alignment.CenterVertically,
+                verticalAlignment = Alignment.CenterVertically
-                horizontalArrangement = Arrangement.SpaceBetween
             ) {
                 IconButton(onClick = onBack) {
                     Icon(Icons.Default.ArrowBack, "Back", tint = textColor)
                 }
-                
-                // Paste button
-                OutlinedButton(
-                    onClick = handlePaste,
-                    modifier = Modifier.height(40.dp),
-                    colors = ButtonDefaults.outlinedButtonColors(
-                        contentColor = PrimaryBlue
-                    ),
-                    border = BorderStroke(1.dp, PrimaryBlue)
-                ) {
-                    Icon(
-                        Icons.Default.ContentPaste,
-                        contentDescription = "Paste",
-                        modifier = Modifier.size(18.dp)
-                    )
-                    Spacer(modifier = Modifier.width(6.dp))
-                    Text("Paste", fontSize = 14.sp)
-                }
             }
             
             Column(
@@ -318,6 +299,38 @@ fun ConfirmSeedPhraseScreen(
                     }
                 }
                 
+                Spacer(modifier = Modifier.height(20.dp))
+                
+                // Paste button
+                AnimatedVisibility(
+                    visible = visible,
+                    enter = fadeIn(tween(500, delayMillis = 400))
+                ) {
+                    OutlinedButton(
+                        onClick = handlePaste,
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .height(48.dp),
+                        colors = ButtonDefaults.outlinedButtonColors(
+                            contentColor = PrimaryBlue
+                        ),
+                        border = BorderStroke(1.dp, PrimaryBlue),
+                        shape = RoundedCornerShape(12.dp)
+                    ) {
+                        Icon(
+                            Icons.Default.ContentPaste,
+                            contentDescription = "Paste",
+                            modifier = Modifier.size(20.dp)
+                        )
+                        Spacer(modifier = Modifier.width(8.dp))
+                        Text(
+                            text = "Paste from Clipboard",
+                            fontSize = 16.sp,
+                            fontWeight = FontWeight.Medium
+                        )
+                    }
+                }
+                
                 // Error message
                 AnimatedVisibility(
                     visible = showError,

app/src/main/java/com/rosetta/messenger/ui/chats/ChatsListScreen.kt

@@ -112,6 +112,11 @@ fun getInitials(name: String): String {
     }
 }
 
+// Get avatar text from public key (first 2 chars)
+fun getAvatarText(publicKey: String): String {
+    return publicKey.take(2).uppercase()
+}
+
 // Drawer menu item
 data class DrawerMenuItem(
     val icon: ImageVector,
@@ -126,6 +131,7 @@ fun ChatsListScreen(
     isDarkTheme: Boolean,
     accountName: String,
     accountPhone: String,
+    accountPublicKey: String,
     onToggleTheme: () -> Unit,
     onProfileClick: () -> Unit,
     onNewGroupClick: () -> Unit,
@@ -242,6 +248,10 @@ fun ChatsListScreen(
     var titleClickCount by remember { mutableStateOf(0) }
     var lastClickTime by remember { mutableStateOf(0L) }
     
+    // Search state
+    var isSearchExpanded by remember { mutableStateOf(false) }
+    var searchQuery by remember { mutableStateOf("") }
+    
     var visible by remember { mutableStateOf(false) }
     
     LaunchedEffect(Unit) {
@@ -401,19 +411,20 @@ fun ChatsListScreen(
                             horizontalArrangement = Arrangement.SpaceBetween,
                             verticalAlignment = Alignment.Top
                         ) {
-                            // Avatar with initials
+                            // Avatar with public key
+                            val avatarColors = getAvatarColor(accountName, isDarkTheme)
                             Box(
                                 modifier = Modifier
                                     .size(64.dp)
                                     .clip(CircleShape)
-                                    .background(PrimaryBlue),
+                                    .background(avatarColors.backgroundColor),
                                 contentAlignment = Alignment.Center
                             ) {
                                 Text(
-                                    text = getInitials(accountName),
+                                    text = getAvatarText(accountPublicKey),
                                     fontSize = 24.sp,
                                     fontWeight = FontWeight.Bold,
-                                    color = Color.White
+                                    color = avatarColors.textColor
                                 )
                             }
                             
@@ -556,7 +567,56 @@ fun ChatsListScreen(
                             }
                         },
                         title = {
-                            // Stories / Title area - Triple click to open dev console
+                            // Search field or Stories / Title area
+                            AnimatedContent(
+                                targetState = isSearchExpanded,
+                                transitionSpec = {
+                                    fadeIn(tween(200)) togetherWith fadeOut(tween(200))
+                                },
+                                label = "searchAnimation"
+                            ) { expanded ->
+                                if (expanded) {
+                                    // Search TextField
+                                    Row(
+                                        verticalAlignment = Alignment.CenterVertically,
+                                        modifier = Modifier.fillMaxWidth()
+                                    ) {
+                                        IconButton(
+                                            onClick = {
+                                                isSearchExpanded = false
+                                                searchQuery = ""
+                                            }
+                                        ) {
+                                            Icon(
+                                                Icons.Default.ArrowBack,
+                                                contentDescription = "Close search",
+                                                tint = textColor
+                                            )
+                                        }
+                                        TextField(
+                                            value = searchQuery,
+                                            onValueChange = { searchQuery = it },
+                                            placeholder = {
+                                                Text(
+                                                    "Search...",
+                                                    color = secondaryTextColor
+                                                )
+                                            },
+                                            colors = TextFieldDefaults.colors(
+                                                focusedContainerColor = Color.Transparent,
+                                                unfocusedContainerColor = Color.Transparent,
+                                                focusedTextColor = textColor,
+                                                unfocusedTextColor = textColor,
+                                                cursorColor = textColor,
+                                                focusedIndicatorColor = Color.Transparent,
+                                                unfocusedIndicatorColor = Color.Transparent
+                                            ),
+                                            singleLine = true,
+                                            modifier = Modifier.weight(1f)
+                                        )
+                                    }
+                                } else {
+                                    // Triple click to open dev console
                                     Row(
                                         verticalAlignment = Alignment.CenterVertically,
                                         modifier = Modifier.clickable {
@@ -573,41 +633,22 @@ fun ChatsListScreen(
                                             lastClickTime = currentTime
                                         }
                                     ) {
-                                // User story avatar placeholder
+                                        // User avatar
-                                Box(
-                                    modifier = Modifier
-                                        .size(36.dp)
-                                        .clip(CircleShape)
-                                        .background(
-                                            brush = androidx.compose.ui.graphics.Brush.linearGradient(
-                                                colors = listOf(
-                                                    Color(0xFF405DE6),
-                                                    Color(0xFFC13584),
-                                                    Color(0xFFFD1D1D)
-                                                )
-                                            )
-                                        )
-                                        .padding(2.dp)
-                                        .clip(CircleShape)
-                                        .background(backgroundColor),
-                                    contentAlignment = Alignment.Center
-                                ) {
                                         val avatarColors = getAvatarColor(accountName, isDarkTheme)
                                         Box(
                                             modifier = Modifier
-                                            .size(30.dp)
+                                                .size(36.dp)
                                                 .clip(CircleShape)
                                                 .background(avatarColors.backgroundColor),
                                             contentAlignment = Alignment.Center
                                         ) {
                                             Text(
-                                            text = getInitials(accountName),
+                                                text = getAvatarText(accountPublicKey),
-                                            fontSize = 12.sp,
+                                                fontSize = 14.sp,
                                                 fontWeight = FontWeight.Bold,
                                                 color = avatarColors.textColor
                                             )
                                         }
-                                }
                                         
                                         Spacer(modifier = Modifier.width(12.dp))
                                         
@@ -633,15 +674,23 @@ fun ChatsListScreen(
                                             }
                                         }
                                     }
+                                }
+                            }
                         },
                         actions = {
-                            IconButton(onClick = onSearchClick) {
+                            if (!isSearchExpanded) {
+                                IconButton(
+                                    onClick = {
+                                        isSearchExpanded = true
+                                    }
+                                ) {
                                     Icon(
                                         Icons.Default.Search,
                                         contentDescription = "Search",
                                         tint = textColor
                                     )
                                 }
+                            }
                         },
                         colors = TopAppBarDefaults.topAppBarColors(
                             containerColor = backgroundColor,
@@ -833,7 +882,7 @@ fun ChatItem(
     val dividerColor = if (isDarkTheme) Color(0xFF3A3A3A) else Color(0xFFE8E8E8)
     
     val avatarColors = getAvatarColor(chat.name, isDarkTheme)
-    val initials = getInitials(chat.name)
+    val avatarText = getAvatarText(chat.publicKey)
     
     Column {
         Row(
@@ -852,7 +901,7 @@ fun ChatItem(
                 contentAlignment = Alignment.Center
             ) {
                 Text(
-                    text = initials,
+                    text = avatarText,
                     fontSize = 20.sp,
                     fontWeight = FontWeight.SemiBold,
                     color = avatarColors.textColor