chore: bump version

Reviewed-on: #24

composeApp/build.gradle.kts

@@ -24,7 +24,7 @@ kotlin {
             implementation(libs.jetbrains.navigation3.ui)
             implementation(libs.jetbrains.lifecycle.viewmodelNavigation3)
             implementation(libs.androidx.core.splashscreen)
-            implementation("su.reya:nostr-sdk-kmp:0.2.7")
+            implementation("su.reya:nostr-sdk-kmp:0.3.1")
             implementation("io.coil-kt.coil3:coil-compose:3.4.0")
             implementation("io.coil-kt.coil3:coil-network-okhttp:3.4.0")
             implementation("io.github.kalinjul.easyqrscan:scanner:0.7.0")
@@ -69,7 +69,7 @@ android {
         minSdk = libs.versions.android.minSdk.get().toInt()
         targetSdk = libs.versions.android.targetSdk.get().toInt()
         versionCode = 1
-        versionName = "0.1.9"
+        versionName = "0.2.0"
     }
     packaging {
         resources {

composeApp/src/androidMain/AndroidManifest.xml

@@ -8,7 +8,7 @@
 
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_REMOTE_MESSAGING" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
     <queries>
@@ -59,7 +59,7 @@
             android:name=".NostrForegroundService"
             android:enabled="true"
             android:exported="false"
-            android:foregroundServiceType="dataSync" />
+            android:foregroundServiceType="remoteMessaging" />
     </application>
 
 </manifest>

composeApp/src/androidMain/composeResources/drawable/ic_block.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M324,848.5Q251,817 197,763Q143,709 111.5,636Q80,563 80,480Q80,397 111.5,324Q143,251 197,197Q251,143 324,111.5Q397,80 480,80Q563,80 636,111.5Q709,143 763,197Q817,251 848.5,324Q880,397 880,480Q880,563 848.5,636Q817,709 763,763Q709,817 636,848.5Q563,880 480,880Q397,880 324,848.5ZM480,800Q534,800 584,782.5Q634,765 676,732L228,284Q195,326 177.5,376Q160,426 160,480Q160,614 253,707Q346,800 480,800ZM732,676Q765,634 782.5,584Q800,534 800,480Q800,346 707,253Q614,160 480,160Q426,160 376,177.5Q326,195 284,228L732,676ZM480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Z" />
+</vector>

composeApp/src/androidMain/composeResources/drawable/ic_cancel.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M336,680L480,536L624,680L680,624L536,480L680,336L624,280L480,424L336,280L280,336L424,480L280,624L336,680ZM480,880Q397,880 324,848.5Q251,817 197,763Q143,709 111.5,636Q80,563 80,480Q80,397 111.5,324Q143,251 197,197Q251,143 324,111.5Q397,80 480,80Q563,80 636,111.5Q709,143 763,197Q817,251 848.5,324Q880,397 880,480Q880,563 848.5,636Q817,709 763,763Q709,817 636,848.5Q563,880 480,880ZM480,800Q614,800 707,707Q800,614 800,480Q800,346 707,253Q614,160 480,160Q346,160 253,253Q160,346 160,480Q160,614 253,707Q346,800 480,800ZM480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Z" />
+</vector>

composeApp/src/androidMain/composeResources/drawable/ic_check_circle.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M424,664L706,382L650,326L424,552L310,438L254,494L424,664ZM480,880Q397,880 324,848.5Q251,817 197,763Q143,709 111.5,636Q80,563 80,480Q80,397 111.5,324Q143,251 197,197Q251,143 324,111.5Q397,80 480,80Q563,80 636,111.5Q709,143 763,197Q817,251 848.5,324Q880,397 880,480Q880,563 848.5,636Q817,709 763,763Q709,817 636,848.5Q563,880 480,880ZM480,800Q614,800 707,707Q800,614 800,480Q800,346 707,253Q614,160 480,160Q346,160 253,253Q160,346 160,480Q160,614 253,707Q346,800 480,800ZM480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Z" />
+</vector>

composeApp/src/androidMain/composeResources/drawable/ic_report.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M480,680Q497,680 508.5,668.5Q520,657 520,640Q520,623 508.5,611.5Q497,600 480,600Q463,600 451.5,611.5Q440,623 440,640Q440,657 451.5,668.5Q463,680 480,680ZM440,520L520,520L520,280L440,280L440,520ZM330,840L120,630L120,330L330,120L630,120L840,330L840,630L630,840L330,840ZM364,760L596,760L760,596L760,364L596,200L364,200L200,364L200,596L364,760ZM480,480L480,480L480,480L480,480L480,480L480,480L480,480L480,480Z" />
+</vector>

composeApp/src/androidMain/composeResources/drawable/ic_request.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M720,560L720,440L600,440L600,360L720,360L720,240L800,240L800,360L920,360L920,440L800,440L800,560L720,560ZM247,433Q200,386 200,320Q200,254 247,207Q294,160 360,160Q426,160 473,207Q520,254 520,320Q520,386 473,433Q426,480 360,480Q294,480 247,433ZM40,800L40,688Q40,654 57.5,625.5Q75,597 104,582Q166,551 230,535.5Q294,520 360,520Q426,520 490,535.5Q554,551 616,582Q645,597 662.5,625.5Q680,654 680,688L680,800L40,800ZM120,720L600,720L600,688Q600,677 594.5,668Q589,659 580,654Q526,627 471,613.5Q416,600 360,600Q304,600 249,613.5Q194,627 140,654Q131,659 125.5,668Q120,677 120,688L120,720ZM416.5,376.5Q440,353 440,320Q440,287 416.5,263.5Q393,240 360,240Q327,240 303.5,263.5Q280,287 280,320Q280,353 303.5,376.5Q327,400 360,400Q393,400 416.5,376.5ZM360,320Q360,320 360,320Q360,320 360,320Q360,320 360,320Q360,320 360,320Q360,320 360,320Q360,320 360,320Q360,320 360,320Q360,320 360,320ZM360,720L360,720Q360,720 360,720Q360,720 360,720Q360,720 360,720Q360,720 360,720Q360,720 360,720Q360,720 360,720Q360,720 360,720Q360,720 360,720L360,720Z" />
+</vector>

composeApp/src/androidMain/composeResources/drawable/ic_warning.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M330,840L120,630L120,330L330,120L630,120L840,330L840,630L630,840L330,840ZM366,650L480,536L594,650L650,594L536,480L650,366L594,310L480,424L366,310L310,366L424,480L310,594L366,650ZM364,760L596,760L760,596L760,364L596,200L364,200L200,364L200,596L364,760ZM480,480L480,480L480,480L480,480L480,480L480,480L480,480L480,480Z" />
+</vector>

composeApp/src/androidMain/kotlin/su/reya/coop/App.kt

@@ -16,14 +16,12 @@ import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.dynamicDarkColorScheme
 import androidx.compose.material3.dynamicLightColorScheme
 import androidx.compose.material3.expressiveLightColorScheme
-import androidx.compose.material3.rememberModalBottomSheetState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.runtime.staticCompositionLocalOf
 import androidx.compose.ui.platform.LocalContext
@@ -37,6 +35,7 @@ import androidx.navigation3.runtime.rememberNavBackStack
 import androidx.navigation3.runtime.rememberSaveableStateHolderNavEntryDecorator
 import androidx.navigation3.ui.NavDisplay
 import su.reya.coop.screens.ChatScreen
+import su.reya.coop.screens.ContactListScreen
 import su.reya.coop.screens.HomeScreen
 import su.reya.coop.screens.ImportScreen
 import su.reya.coop.screens.MyQrScreen
@@ -45,6 +44,7 @@ import su.reya.coop.screens.NewIdentityScreen
 import su.reya.coop.screens.OnboardingScreen
 import su.reya.coop.screens.ProfileScreen
 import su.reya.coop.screens.RelayScreen
+import su.reya.coop.screens.RequestListScreen
 import su.reya.coop.screens.ScanScreen
 import su.reya.coop.screens.UpdateProfileScreen
 
@@ -69,8 +69,6 @@ val LocalScanResult = staticCompositionLocalOf<QrScanResult> {
 fun App(viewModel: NostrViewModel) {
     val context = LocalContext.current
     val activity = context as? ComponentActivity
-    val scope = rememberCoroutineScope()
-    val sheetState = rememberModalBottomSheetState()
     val backStack = rememberNavBackStack(Screen.Home)
     val navigator = remember(backStack) { Navigator(backStack) }
     val qrScanResult = remember { QrScanResult() }
@@ -167,6 +165,9 @@ fun App(viewModel: NostrViewModel) {
                     entry<Screen.Home> {
                         HomeScreen()
                     }
+                    entry<Screen.RequestList> {
+                        RequestListScreen()
+                    }
                     entry<Screen.Onboarding> {
                         OnboardingScreen()
                     }
@@ -177,7 +178,7 @@ fun App(viewModel: NostrViewModel) {
                         NewIdentityScreen()
                     }
                     entry<Screen.Chat> { key ->
-                        ChatScreen(id = key.id)
+                        ChatScreen(id = key.id, screening = key.screening)
                     }
                     entry<Screen.NewChat> {
                         NewChatScreen()
@@ -194,6 +195,9 @@ fun App(viewModel: NostrViewModel) {
                     entry<Screen.MyQr> {
                         MyQrScreen()
                     }
+                    entry<Screen.ContactList> {
+                        ContactListScreen()
+                    }
                     entry<Screen.Relay> {
                         RelayScreen()
                     }

composeApp/src/androidMain/kotlin/su/reya/coop/Navigation.kt

@@ -12,7 +12,7 @@ sealed interface Screen : NavKey {
 
             return when (data.host) {
                 // Matches coop://chat/{id}
-                "chat" -> data.pathSegments.firstOrNull()?.toLongOrNull()?.let { Chat(it) }
+                "chat" -> data.pathSegments.firstOrNull()?.toLongOrNull()?.let { Chat(it, false) }
                 // Matches coop://profile/{pubkey}
                 "profile" -> data.pathSegments.firstOrNull()?.let { Profile(it) }
                 else -> null
@@ -24,11 +24,17 @@ sealed interface Screen : NavKey {
     data object Home : Screen
 
     @Serializable
-    data class Chat(val id: Long) : Screen
+    data object RequestList : Screen
+
+    @Serializable
+    data class Chat(val id: Long, val screening: Boolean = false) : Screen
 
     @Serializable
     data class Profile(val pubkey: String) : Screen
 
+    @Serializable
+    data object ContactList : Screen
+
     @Serializable
     data object UpdateProfile : Screen
 

composeApp/src/androidMain/kotlin/su/reya/coop/NostrForegroundService.kt

@@ -22,6 +22,8 @@ import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import java.io.File
 
+private const val GROUP_KEY_MESSAGES = "su.reya.coop.MESSAGES"
+
 class NostrForegroundService : Service() {
     private val serviceScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
     private val nostr by lazy { NostrManager.instance }
@@ -29,26 +31,26 @@ class NostrForegroundService : Service() {
 
     override fun onBind(intent: Intent?): IBinder? = null
 
-    private fun isUserInApp(): Boolean {
-        return ProcessLifecycleOwner.get().lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)
-    }
-
     override fun onCreate() {
         super.onCreate()
-
         createNotificationChannel()
-        val notification = createNotification()
+        startAsForeground()
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
-            startForeground(1, notification, ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC)
-        } else {
-            startForeground(1, notification)
-        }
     }
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent?.action == "STOP_SERVICE") {
+            stopForeground(STOP_FOREGROUND_REMOVE)
+            stopSelf()
+            return START_NOT_STICKY
+        }
+
+        // Start the nostr service in the foreground
+        startAsForeground()
+
+        // Check if the service is already running
         if (notificationJob?.isActive == true) return START_STICKY
 
+        // Start the Nostr client
         notificationJob = serviceScope.launch {
             try {
                 Log.d("Coop", "Starting Nostr in background")
@@ -93,6 +95,26 @@ class NostrForegroundService : Service() {
         return START_STICKY
     }
 
+    private fun isUserInApp(): Boolean {
+        return ProcessLifecycleOwner.get().lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)
+    }
+
+    private fun startAsForeground() {
+        val notification = createNotification()
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+            startForeground(1, notification, ServiceInfo.FOREGROUND_SERVICE_TYPE_REMOTE_MESSAGING)
+        } else {
+            startForeground(1, notification)
+        }
+    }
+
+    private fun getStopServicePendingIntent(): PendingIntent {
+        val intent = Intent(this, NostrForegroundService::class.java).apply {
+            action = "STOP_SERVICE"
+        }
+        return PendingIntent.getService(this, 0, intent, PendingIntent.FLAG_IMMUTABLE)
+    }
+
     private fun createNotificationChannel() {
         val manager = getSystemService(NotificationManager::class.java)
 
@@ -115,10 +137,12 @@ class NostrForegroundService : Service() {
 
     private fun createNotification(content: String? = null): Notification {
         val builder = NotificationCompat.Builder(this, "nostr_service")
+            .setGroup(GROUP_KEY_MESSAGES)
             .setSmallIcon(R.drawable.ic_notification)
             .setOngoing(true)
             .setPriority(NotificationCompat.PRIORITY_MIN)
             .setCategory(Notification.CATEGORY_SERVICE)
+            .addAction(R.drawable.ic_notification, "Stop", getStopServicePendingIntent())
 
         if (content != null) {
             builder.setContentTitle("Coop")

composeApp/src/androidMain/kotlin/su/reya/coop/screens/ChatScreen.kt

@@ -22,11 +22,15 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Badge
 import androidx.compose.material3.BadgedBox
+import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.FilledTonalIconButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.IconButtonDefaults
 import androidx.compose.material3.LoadingIndicator
+import androidx.compose.material3.MaterialShapes
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHost
@@ -36,39 +40,50 @@ import androidx.compose.material3.TextField
 import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.toShape
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.ic_arrow_back
+import coop.composeapp.generated.resources.ic_cancel
+import coop.composeapp.generated.resources.ic_check_circle
 import coop.composeapp.generated.resources.ic_send
+import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.painterResource
+import rust.nostr.sdk.PublicKey
+import rust.nostr.sdk.Timestamp
 import rust.nostr.sdk.UnsignedEvent
 import su.reya.coop.LocalNavigator
 import su.reya.coop.LocalNostrViewModel
 import su.reya.coop.LocalSnackbarHostState
+import su.reya.coop.Room
 import su.reya.coop.Screen
 import su.reya.coop.formatAsGroupHeader
+import su.reya.coop.humanReadable
 import su.reya.coop.roomId
 import su.reya.coop.shared.Avatar
-import su.reya.coop.shared.displayNameFlow
+import su.reya.coop.shared.getExpressiveFontFamily
+import su.reya.coop.shared.nameFlow
 import su.reya.coop.shared.pictureFlow
+import su.reya.coop.short
 
 @Composable
-fun ChatScreen(id: Long) {
+fun ChatScreen(id: Long, screening: Boolean = false) {
     val snackbarHostState = LocalSnackbarHostState.current
     val navigator = LocalNavigator.current
     val viewModel = LocalNostrViewModel.current
@@ -92,12 +107,13 @@ fun ChatScreen(id: Long) {
         return
     }
 
-    val displayName by remember(room) { room!!.displayNameFlow(viewModel) }.collectAsState("Loading...")
+    val displayName by remember(room) { room!!.nameFlow(viewModel) }.collectAsStateWithLifecycle("Loading...")
-    val picture by remember(room) { room!!.pictureFlow(viewModel) }.collectAsState(null)
+    val picture by remember(room) { room!!.pictureFlow(viewModel) }.collectAsStateWithLifecycle(null)
 
     var text by remember { mutableStateOf("") }
     var loading by remember { mutableStateOf(true) }
     var newOtherMessages by remember { mutableIntStateOf(0) }
+    var requireScreening by remember { mutableStateOf(screening) }
 
     val listState = rememberLazyListState()
     val messages = remember { mutableStateListOf<UnsignedEvent>() }
@@ -155,9 +171,7 @@ fun ChatScreen(id: Long) {
                         }
                     ) {
                         if (loading) {
-                            LoadingIndicator(
+                            LoadingIndicator(modifier = Modifier.size(32.dp))
-                                modifier = Modifier.size(32.dp),
-                            )
                         } else {
                             Avatar(
                                 picture = picture,
@@ -208,66 +222,231 @@ fun ChatScreen(id: Long) {
                         .fillMaxSize()
                         .padding(bottom = innerPadding.calculateBottomPadding())
                 ) {
-                    if (messages.isNotEmpty()) {
+                    if (requireScreening) {
-                        LazyColumn(
+                        room?.let { ScreenerCard(it) }
-                            modifier = Modifier
+                    }
-                                .weight(1f)
+
-                                .fillMaxWidth(),
+                    when (messages.isNotEmpty()) {
-                            contentPadding = PaddingValues(16.dp),
+                        true -> {
-                            reverseLayout = true,
+                            LazyColumn(
-                            state = listState,
+                                modifier = Modifier
-                        ) {
+                                    .weight(1f)
-                            groupedMessages.forEach { (dateHeader, messagesInGroup) ->
+                                    .fillMaxWidth(),
-                                items(
+                                contentPadding = PaddingValues(16.dp),
-                                    messagesInGroup,
+                                reverseLayout = true,
-                                    key = { it.id()?.toBech32()!! }) { event ->
+                                state = listState,
-                                    ChatMessage(event)
+                            ) {
-                                }
+                                groupedMessages.forEach { (dateHeader, messagesInGroup) ->
-                                item {
+                                    items(
-                                    DateSeparator(dateHeader)
+                                        messagesInGroup,
+                                        key = { it.id()?.toBech32()!! }) { event ->
+                                        ChatMessage(event)
+                                    }
+                                    item {
+                                        DateSeparator(dateHeader)
+                                    }
                                 }
                             }
                         }
-                    } else {
+
-                        Box(
+                        false -> {
-                            modifier = Modifier
+                            Box(
-                                .weight(1f)
+                                modifier = Modifier
-                                .fillMaxWidth(),
+                                    .weight(1f)
-                            contentAlignment = Alignment.Center
+                                    .fillMaxWidth(),
-                        ) {
+                                contentAlignment = Alignment.Center
-                            Column(
-                                horizontalAlignment = Alignment.CenterHorizontally,
-                                verticalArrangement = Arrangement.spacedBy(4.dp),
                             ) {
-                                Text(
+                                Column(
-                                    text = "No messages yet",
+                                    horizontalAlignment = Alignment.CenterHorizontally,
-                                    style = MaterialTheme.typography.titleLargeEmphasized.copy(
+                                    verticalArrangement = Arrangement.spacedBy(4.dp),
-                                        fontWeight = FontWeight.SemiBold
+                                ) {
-                                    ),
+                                    Text(
-                                    color = MaterialTheme.colorScheme.onSurface
+                                        text = "No messages yet",
-                                )
+                                        style = MaterialTheme.typography.titleLargeEmphasized.copy(
-                                Text(
+                                            fontWeight = FontWeight.SemiBold
-                                    text = "Your conversations will appear here.",
+                                        ),
-                                    style = MaterialTheme.typography.bodyMedium,
+                                        color = MaterialTheme.colorScheme.onSurface
-                                    color = MaterialTheme.colorScheme.outline
+                                    )
-                                )
+                                    Text(
+                                        text = "Your conversations will appear here.",
+                                        style = MaterialTheme.typography.bodyMedium,
+                                        color = MaterialTheme.colorScheme.outline
+                                    )
+                                }
                             }
                         }
                     }
-                    ChatInput(
+
-                        value = text,
+                    when (requireScreening) {
-                        onValueChange = { text = it },
+                        true -> {
-                        onSend = {
+                            Row(
-                            viewModel.sendMessage(id, text)
+                                modifier = Modifier
-                            text = ""
+                                    .fillMaxWidth()
+                                    .padding(16.dp),
+                                horizontalArrangement = Arrangement.spacedBy(8.dp),
+                            ) {
+                                Button(
+                                    onClick = { navigator.goBack() },
+                                    modifier = Modifier.weight(1f)
+                                ) {
+                                    Text(
+                                        text = "Reject",
+                                        style = MaterialTheme.typography.titleMedium,
+                                    )
+                                }
+                                FilledTonalButton(
+                                    onClick = { requireScreening = false },
+                                    modifier = Modifier.weight(1f)
+                                ) {
+                                    Text(
+                                        text = "Accept",
+                                        style = MaterialTheme.typography.titleMedium,
+                                    )
+                                }
+                            }
                         }
-                    )
+
+                        else -> {
+                            ChatInput(
+                                value = text,
+                                onValueChange = { text = it },
+                                onSend = {
+                                    viewModel.sendMessage(id, text)
+                                    text = ""
+                                }
+                            )
+                        }
+                    }
                 }
             }
         }
     )
 }
 
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
+@Composable
+fun ScreenerCard(room: Room) {
+    val pubkey = room.members.firstOrNull() ?: return
+
+    val viewModel = LocalNostrViewModel.current
+    val scope = rememberCoroutineScope()
+
+    var isContact by remember { mutableStateOf(false) }
+    var mutualContacts by remember { mutableStateOf<Set<PublicKey>>(emptySet()) }
+    var lastActivity by remember { mutableStateOf<Timestamp?>(null) }
+
+    val metadataFlow = remember(pubkey) { viewModel.getMetadata(pubkey) }
+    val metadata by metadataFlow.collectAsStateWithLifecycle()
+
+    val profile = metadata?.asRecord()
+    val displayName = profile?.displayName ?: profile?.name ?: "No name"
+    val picture = profile?.picture
+
+    LaunchedEffect(pubkey) {
+        scope.launch {
+            // Check contact
+            viewModel.verifyContact(pubkey).let { isContact = it }
+            // Get mutual contacts
+            viewModel.mutualContacts(pubkey).let { mutualContacts = it }
+            // Get the last activity
+            viewModel.verifyActivity(pubkey)?.let { lastActivity = it }
+        }
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(horizontal = 16.dp)
+            .padding(top = 48.dp),
+        verticalArrangement = Arrangement.spacedBy(8.dp),
+    ) {
+        Column(
+            modifier = Modifier.fillMaxWidth(),
+            verticalArrangement = Arrangement.spacedBy(8.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+        ) {
+            Avatar(
+                picture = picture,
+                description = "Profile picture",
+                modifier = Modifier.size(120.dp),
+                shape = MaterialShapes.Cookie12Sided.toShape(),
+            )
+            Column(
+                verticalArrangement = Arrangement.spacedBy(4.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+            ) {
+                Text(
+                    text = displayName,
+                    textAlign = TextAlign.Center,
+                    style = MaterialTheme.typography.titleLargeEmphasized.copy(
+                        fontFamily = getExpressiveFontFamily()
+                    ),
+                )
+                Text(
+                    text = pubkey.short(),
+                    textAlign = TextAlign.Center,
+                    style = MaterialTheme.typography.labelMedium,
+                    color = MaterialTheme.colorScheme.outline
+                )
+            }
+        }
+        Column(
+            modifier = Modifier.fillMaxWidth(),
+            verticalArrangement = Arrangement.spacedBy(4.dp),
+        ) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+            ) {
+                Icon(
+                    painter = painterResource(
+                        if (isContact) Res.drawable.ic_check_circle else Res.drawable.ic_cancel
+                    ),
+                    contentDescription = "Warning",
+                    tint = if (isContact) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
+                )
+                Text(
+                    text = if (isContact) "Contact" else "Not a contact",
+                    style = MaterialTheme.typography.labelMediumEmphasized
+                )
+            }
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+            ) {
+                Icon(
+                    painter = painterResource(
+                        if (mutualContacts.isNotEmpty()) Res.drawable.ic_check_circle else Res.drawable.ic_cancel
+                    ),
+                    contentDescription = "Warning",
+                    tint = if (mutualContacts.isNotEmpty()) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
+                )
+                Text(
+                    text = if (mutualContacts.isEmpty()) "No contacts in common" else "${mutualContacts.size} contacts in common",
+                    style = MaterialTheme.typography.labelMediumEmphasized
+                )
+            }
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+            ) {
+                Icon(
+                    painter = painterResource(Res.drawable.ic_check_circle),
+                    contentDescription = "Warning",
+                    tint = if (lastActivity != null) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.outline
+                )
+                Text(
+                    text = if (lastActivity == null) "Don't have any public activities" else "Last activity at ${lastActivity?.humanReadable()}",
+                    style = MaterialTheme.typography.labelMediumEmphasized
+                )
+            }
+        }
+    }
+}
+
 @Composable
 fun DateSeparator(date: String) {
     Box(
@@ -345,7 +524,6 @@ fun ChatInput(
     onValueChange: (String) -> Unit,
     onSend: () -> Unit
 ) {
-
     Surface(modifier = Modifier.fillMaxWidth()) {
         Row(
             modifier = Modifier

composeApp/src/androidMain/kotlin/su/reya/coop/screens/ContactListScreen.kt

@@ -0,0 +1,327 @@
+package su.reya.coop.screens
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.ExtendedFloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.PlainTooltip
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SegmentedListItem
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.Text
+import androidx.compose.material3.TooltipAnchorPosition
+import androidx.compose.material3.TooltipBox
+import androidx.compose.material3.TooltipDefaults
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.rememberTooltipState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import coop.composeapp.generated.resources.Res
+import coop.composeapp.generated.resources.ic_arrow_back
+import coop.composeapp.generated.resources.ic_check
+import coop.composeapp.generated.resources.ic_close
+import coop.composeapp.generated.resources.ic_plus
+import coop.composeapp.generated.resources.ic_scanner
+import kotlinx.coroutines.launch
+import org.jetbrains.compose.resources.painterResource
+import rust.nostr.sdk.Nip05Address
+import rust.nostr.sdk.PublicKey
+import su.reya.coop.LocalNavigator
+import su.reya.coop.LocalNostrViewModel
+import su.reya.coop.LocalSnackbarHostState
+import su.reya.coop.Screen
+import su.reya.coop.shared.Avatar
+import su.reya.coop.short
+
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
+@Composable
+fun ContactListScreen() {
+    val navigator = LocalNavigator.current
+    val snackbarHostState = LocalSnackbarHostState.current
+    val viewModel = LocalNostrViewModel.current
+
+    val contactList by viewModel.contactList.collectAsStateWithLifecycle()
+    var openAddContactDialog by remember { mutableStateOf(false) }
+
+    Scaffold(
+        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+        snackbarHost = { SnackbarHost(snackbarHostState) },
+        topBar = {
+            TopAppBar(
+                title = {
+                    Text(
+                        text = "My Contacts",
+                        style = MaterialTheme.typography.titleMediumEmphasized
+                    )
+                },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+                navigationIcon = {
+                    IconButton(onClick = { navigator.goBack() }) {
+                        Icon(
+                            painter = painterResource(Res.drawable.ic_arrow_back),
+                            contentDescription = "Back"
+                        )
+                    }
+                },
+                actions = {
+                    IconButton(onClick = { navigator.navigate(Screen.Scan) }) {
+                        Icon(
+                            painter = painterResource(Res.drawable.ic_scanner),
+                            contentDescription = "Scanner"
+                        )
+                    }
+                }
+            )
+        },
+        floatingActionButton = {
+            TooltipBox(
+                positionProvider = TooltipDefaults.rememberTooltipPositionProvider(
+                    TooltipAnchorPosition.Above,
+                    spacingBetweenTooltipAndAnchor = 8.dp,
+                ),
+                tooltip = {
+                    PlainTooltip { Text("New Contact") }
+                },
+                state = rememberTooltipState(),
+            ) {
+                ExtendedFloatingActionButton(
+                    onClick = { openAddContactDialog = true },
+                    expanded = false,
+                    icon = {
+                        Icon(
+                            painter = painterResource(Res.drawable.ic_plus),
+                            contentDescription = "New Contact"
+                        )
+                    },
+                    text = { Text("New Contact") },
+                )
+            }
+        },
+        content = { innerPadding ->
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp)
+                    .padding(innerPadding),
+                verticalArrangement = Arrangement.spacedBy(ListItemDefaults.SegmentedGap),
+            ) {
+                if (contactList.isNotEmpty()) {
+                    contactList.forEachIndexed { index, pubkey ->
+                        ContactListItem(
+                            pubkey = pubkey,
+                            index = index,
+                            total = contactList.size,
+                            onClick = {})
+                    }
+                } else {
+                    Box(
+                        modifier = Modifier.fillMaxSize(),
+                        contentAlignment = Alignment.Center
+                    ) {
+                        Column(
+                            horizontalAlignment = Alignment.CenterHorizontally,
+                            verticalArrangement = Arrangement.spacedBy(4.dp),
+                        ) {
+                            Text(
+                                text = "No contacts yet",
+                                style = MaterialTheme.typography.titleLargeEmphasized.copy(
+                                    fontWeight = FontWeight.SemiBold
+                                ),
+                                color = MaterialTheme.colorScheme.onSurface
+                            )
+                            Text(
+                                text = "Your contacts will appear here",
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.outline
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    )
+
+    if (openAddContactDialog) {
+        AddContactDialog(onDismissRequest = { openAddContactDialog = false })
+    }
+}
+
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
+@Composable
+fun AddContactDialog(onDismissRequest: () -> Unit) {
+    val snackbarHostState = LocalSnackbarHostState.current
+    val viewModel = LocalNostrViewModel.current
+    val focusRequester = remember { FocusRequester() }
+    var contact by remember { mutableStateOf("") }
+    var isError by remember { mutableStateOf(false) }
+
+    val scope = rememberCoroutineScope()
+
+    LaunchedEffect(Unit) {
+        focusRequester.requestFocus()
+    }
+
+    Dialog(
+        onDismissRequest = { onDismissRequest() },
+        properties = DialogProperties(
+            usePlatformDefaultWidth = false,
+            dismissOnBackPress = true,
+            decorFitsSystemWindows = false,
+        ),
+    ) {
+        Scaffold(
+            modifier = Modifier.fillMaxSize(),
+            snackbarHost = { SnackbarHost(snackbarHostState) },
+            containerColor = MaterialTheme.colorScheme.surface,
+            topBar = {
+                TopAppBar(
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceVariant,
+                    ),
+                    title = {
+                        Text(
+                            text = "New Contact",
+                            style = MaterialTheme.typography.titleMediumEmphasized
+                        )
+                    },
+                    navigationIcon = {
+                        IconButton(onClick = { onDismissRequest() }) {
+                            Icon(
+                                painter = painterResource(Res.drawable.ic_close),
+                                contentDescription = "Close"
+                            )
+                        }
+                    },
+                    actions = {
+                        IconButton(onClick = {
+                            scope.launch {
+                                val success = viewModel.addContact(contact)
+                                if (success) onDismissRequest()
+                            }
+                        }) {
+                            Icon(
+                                painter = painterResource(Res.drawable.ic_check),
+                                contentDescription = "Add"
+                            )
+                        }
+                    },
+                )
+            },
+            content = { innerPadding ->
+                Column(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(innerPadding)
+                        .padding(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(16.dp),
+                ) {
+                    OutlinedTextField(
+                        value = contact,
+                        onValueChange = { contact = it },
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .focusRequester(focusRequester),
+                        isError = isError,
+                        keyboardOptions = KeyboardOptions(imeAction = ImeAction.Done),
+                        keyboardActions = KeyboardActions(
+                            onDone = {
+                                isError = contact.isNotEmpty() && !verifyContact(contact)
+                            }
+                        ),
+                        singleLine = true,
+                        label = { Text(text = "Contact Address") },
+                        placeholder = { Text(text = "npub1... or user@example.com") },
+                        supportingText = {
+                            if (isError) {
+                                Text(text = "Contact address is invalid")
+                            } else {
+                                Text(text = "Only add contact you trust.")
+                            }
+                        },
+                    )
+                }
+            }
+        )
+    }
+}
+
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
+@Composable
+fun ContactListItem(
+    pubkey: PublicKey,
+    index: Int,
+    total: Int = 0,
+    onClick: () -> Unit,
+) {
+    val viewModel = LocalNostrViewModel.current
+    val metadataFlow = remember(pubkey) { viewModel.getMetadata(pubkey) }
+    val metadata by metadataFlow.collectAsState(initial = null)
+
+    val profile = metadata?.asRecord()
+    val displayName = profile?.name ?: profile?.displayName ?: pubkey.short()
+    val picture = profile?.picture
+
+    SegmentedListItem(
+        onClick = onClick,
+        onLongClick = { viewModel.removeContact(pubkey) },
+        shapes = ListItemDefaults.segmentedShapes(
+            index = index,
+            count = total
+        ),
+        leadingContent = {
+            Avatar(
+                picture = picture,
+                description = displayName,
+                size = 36.dp
+            )
+        },
+        supportingContent = { Text(text = pubkey.short()) },
+        content = {
+            Text(
+                text = displayName,
+                style = MaterialTheme.typography.titleMediumEmphasized,
+            )
+        }
+    )
+}
+
+fun verifyContact(address: String): Boolean {
+    return try {
+        if (address.contains("@")) Nip05Address.parse(address)
+        else PublicKey.parse(address)
+        true
+    } catch (e: Exception) {
+        println("Failed to parse contact: ${e.message}")
+        false
+    }
+}

composeApp/src/androidMain/kotlin/su/reya/coop/screens/HomeScreen.kt

@@ -76,6 +76,7 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.core.app.NotificationManagerCompat
 import androidx.lifecycle.compose.LifecycleResumeEffect
@@ -84,7 +85,9 @@ import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.ic_close
 import coop.composeapp.generated.resources.ic_new_chat
 import coop.composeapp.generated.resources.ic_qr
+import coop.composeapp.generated.resources.ic_request
 import coop.composeapp.generated.resources.ic_scanner
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.painterResource
 import rust.nostr.sdk.PublicKey
@@ -93,11 +96,12 @@ import su.reya.coop.LocalNostrViewModel
 import su.reya.coop.LocalScanResult
 import su.reya.coop.LocalSnackbarHostState
 import su.reya.coop.Room
+import su.reya.coop.RoomKind
 import su.reya.coop.Screen
 import su.reya.coop.ago
 import su.reya.coop.shared.Avatar
-import su.reya.coop.shared.displayNameFlow
 import su.reya.coop.shared.getExpressiveFontFamily
+import su.reya.coop.shared.nameFlow
 import su.reya.coop.shared.pictureFlow
 import su.reya.coop.short
 
@@ -111,8 +115,14 @@ fun HomeScreen() {
     val clipboardManager = LocalClipboard.current
     val viewModel = LocalNostrViewModel.current
 
+
+    val scope = rememberCoroutineScope()
+    val sheetState = rememberModalBottomSheetState(true)
+    val listState = rememberLazyListState()
+    val pullToRefreshState = rememberPullToRefreshState()
+
     val currentUser = viewModel.currentUser() ?: return
-    val currentUserProfile = viewModel.getMetadata(currentUser) ?: return
+    val currentUserProfile = viewModel.getMetadata(currentUser)
 
     val userProfile by currentUserProfile.collectAsStateWithLifecycle()
     val chatRooms by viewModel.chatRooms.collectAsStateWithLifecycle()
@@ -120,11 +130,6 @@ fun HomeScreen() {
     val isPartialProcessedGiftWrap by viewModel.isPartialProcessedGiftWrap.collectAsState(initial = false)
     val isBannerDismissed by viewModel.isNotificationBannerDismissed.collectAsState()
 
-    val scope = rememberCoroutineScope()
-    val sheetState = rememberModalBottomSheetState(true)
-    val listState = rememberLazyListState()
-    val pullToRefreshState = rememberPullToRefreshState()
-
     val expandedFab by remember { derivedStateOf { listState.firstVisibleItemIndex == 0 } }
     var showBottomSheet by remember { mutableStateOf(false) }
     var isRefreshing by remember { mutableStateOf(false) }
@@ -140,6 +145,11 @@ fun HomeScreen() {
         // State will be updated by LifecycleResumeEffect
     }
 
+    // Partition chat rooms into requests and ongoing
+    val (requests, ongoing) = remember(chatRooms) {
+        chatRooms.partition { it.kind == RoomKind.Request }
+    }
+
     LifecycleResumeEffect(context) {
         isNotificationEnabled = NotificationManagerCompat.from(context).areNotificationsEnabled()
         onPauseOrDispose { }
@@ -350,7 +360,11 @@ fun HomeScreen() {
                                 state = listState,
                                 modifier = Modifier.fillMaxSize()
                             ) {
-                                items(chatRooms.toList(), key = { it.id }) { room ->
+                                if (requests.isNotEmpty()) {
+                                    item { NewRequests(requests) }
+                                }
+
+                                items(ongoing, key = { it.id }) { room ->
                                     ChatRoom(
                                         room = room,
                                         onClick = { navigator.navigate(Screen.Chat(room.id)) }
@@ -603,12 +617,95 @@ fun HomeScreen() {
     }
 }
 
+@Composable
+fun NewRequests(requests: List<Room>) {
+    val navigator = LocalNavigator.current
+    val viewModel = LocalNostrViewModel.current
+
+    val total = requests.size
+    val firstRoom = requests.getOrNull(0)
+    val secondRoom = requests.getOrNull(1)
+
+    val firstName by remember(firstRoom) {
+        firstRoom?.nameFlow(viewModel) ?: flowOf("")
+    }.collectAsStateWithLifecycle("Loading...")
+
+    val secondName by remember(secondRoom) {
+        secondRoom?.nameFlow(viewModel) ?: flowOf("")
+    }.collectAsStateWithLifecycle("")
+
+    val supportingText = when {
+        total == 1 && firstRoom != null -> {
+            val message = firstRoom.lastMessage ?: ""
+            "$firstName: $message"
+        }
+
+        total == 2 -> {
+            "$firstName and $secondName"
+        }
+
+        total > 2 -> {
+            val othersCount = total - 2
+            val othersText = if (othersCount == 1) "1 other" else "$othersCount others"
+            "$firstName, $secondName and $othersText"
+        }
+
+        else -> ""
+    }
+
+    ListItem(
+        modifier = Modifier.clickable {
+            navigator.navigate(Screen.RequestList)
+        },
+        leadingContent = {
+            Box(
+                modifier = Modifier
+                    .size(48.dp)
+                    .clip(MaterialShapes.Clover4Leaf.toShape()),
+                contentAlignment = Alignment.Center
+            ) {
+                Surface(
+                    modifier = Modifier.size(48.dp),
+                    color = MaterialTheme.colorScheme.tertiaryContainer,
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Icon(
+                            painter = painterResource(Res.drawable.ic_request),
+                            contentDescription = "Requests",
+                            tint = MaterialTheme.colorScheme.onTertiaryFixed
+                        )
+                    }
+                }
+            }
+        },
+        headlineContent = {
+            Text(
+                text = "Requests",
+                style = MaterialTheme.typography.titleMediumEmphasized
+            )
+        },
+        supportingContent = {
+            if (supportingText.isNotEmpty()) {
+                Text(
+                    text = supportingText,
+                    style = MaterialTheme.typography.bodyMedium,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+            }
+        },
+        colors = ListItemDefaults.colors(
+            containerColor = MaterialTheme.colorScheme.surface
+        )
+    )
+}
+
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
 fun ChatRoom(room: Room, onClick: () -> Unit) {
     val viewModel = LocalNostrViewModel.current
-    val displayName by remember(room) { room.displayNameFlow(viewModel) }.collectAsState("Loading...")
+    val displayName by remember(room) { room.nameFlow(viewModel) }.collectAsStateWithLifecycle("Loading...")
-    val picture by remember(room) { room.pictureFlow(viewModel) }.collectAsState(null)
+    val picture by remember(room) { room.pictureFlow(viewModel) }.collectAsStateWithLifecycle(null)
 
     ListItem(
         modifier = Modifier.clickable(onClick = onClick),
@@ -636,7 +733,9 @@ fun ChatRoom(room: Room, onClick: () -> Unit) {
             if (!room.lastMessage.isNullOrBlank()) {
                 Text(
                     text = room.lastMessage!!,
-                    style = MaterialTheme.typography.bodyMedium
+                    style = MaterialTheme.typography.bodyMedium,
+                    overflow = TextOverflow.Ellipsis,
+                    maxLines = 1,
                 )
             }
         },
@@ -656,8 +755,7 @@ fun BottomMenuList(
 
     val defaultMenuList = listOf(
         "Update Profile" to { navigator.navigate(Screen.UpdateProfile) },
-        "Contact List" to { },
+        "Contact List" to { navigator.navigate(Screen.ContactList) },
-        "Spams & Blocks" to { },
         "Relay Management" to { navigator.navigate(Screen.Relay) },
         "Settings" to { }
     )

composeApp/src/androidMain/kotlin/su/reya/coop/screens/NewChatScreen.kt

@@ -61,6 +61,7 @@ import su.reya.coop.LocalSnackbarHostState
 import su.reya.coop.Screen
 import su.reya.coop.shared.Avatar
 import su.reya.coop.short
+import kotlin.time.Duration.Companion.milliseconds
 
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
@@ -78,7 +79,7 @@ fun NewChatScreen() {
 
     LaunchedEffect(query) {
         if (query.length >= 3) {
-            delay(500) // 500ms debounce
+            delay(500.milliseconds)
 
             if (query.startsWith("npub1")) {
                 val pubkey = try {

composeApp/src/androidMain/kotlin/su/reya/coop/screens/ProfileScreen.kt

@@ -27,7 +27,6 @@ import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.material3.toShape
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -37,6 +36,7 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.ic_arrow_back
 import coop.composeapp.generated.resources.ic_chat
@@ -55,26 +55,27 @@ import su.reya.coop.short
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
 fun ProfileScreen(pubkey: String) {
-    val pubkey = runCatching { PublicKey.parse(pubkey) }.getOrNull() ?: return
-
     val context = LocalContext.current
     val snackbarHostState = LocalSnackbarHostState.current
     val navigator = LocalNavigator.current
     val viewModel = LocalNostrViewModel.current
-
     val scope = rememberCoroutineScope()
+
+    val pubkey = runCatching { PublicKey.parse(pubkey) }.getOrNull() ?: return
+
     val metadataFlow = remember(pubkey) { viewModel.getMetadata(pubkey) }
-    val metadata by metadataFlow.collectAsState(initial = null)
+    val metadata by metadataFlow.collectAsStateWithLifecycle()
 
     val profile = metadata?.asRecord()
     val displayName = profile?.displayName ?: profile?.name ?: "No name"
     val nip05 = profile?.nip05 ?: pubkey.short()
     val picture = profile?.picture
+
     val details = remember(profile) {
         listOf(
             "Username:" to (profile?.name ?: "None"),
             "Website:" to (profile?.website ?: "None"),
-            "Lightning Address:" to (profile?.lud16 ?: "None"),
+            "₿ Lightning Address:" to (profile?.lud16 ?: "None"),
         )
     }
 
@@ -83,7 +84,7 @@ fun ProfileScreen(pubkey: String) {
         snackbarHost = { SnackbarHost(snackbarHostState) },
         topBar = {
             TopAppBar(
-                title = { },
+                title = { /* empty */ },
                 navigationIcon = {
                     IconButton(onClick = { navigator.goBack() }) {
                         Icon(

composeApp/src/androidMain/kotlin/su/reya/coop/screens/RequestListScreen.kt

@@ -0,0 +1,158 @@
+package su.reya.coop.screens
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.pulltorefresh.PullToRefreshBox
+import androidx.compose.material3.pulltorefresh.PullToRefreshDefaults
+import androidx.compose.material3.pulltorefresh.rememberPullToRefreshState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import coop.composeapp.generated.resources.Res
+import coop.composeapp.generated.resources.ic_arrow_back
+import kotlinx.coroutines.launch
+import su.reya.coop.LocalNavigator
+import su.reya.coop.LocalNostrViewModel
+import su.reya.coop.LocalSnackbarHostState
+import su.reya.coop.RoomKind
+import su.reya.coop.Screen
+
+@OptIn(ExperimentalMaterial3ExpressiveApi::class, ExperimentalMaterial3Api::class)
+@Composable
+fun RequestListScreen() {
+    val navigator = LocalNavigator.current
+    val snackbarHostState = LocalSnackbarHostState.current
+    val viewModel = LocalNostrViewModel.current
+
+    val scope = rememberCoroutineScope()
+    val listState = rememberLazyListState()
+    val pullToRefreshState = rememberPullToRefreshState()
+
+    var isRefreshing by remember { mutableStateOf(false) }
+    val chatRooms by viewModel.chatRooms.collectAsStateWithLifecycle()
+
+    // Get all request rooms
+    val requests = remember(chatRooms) {
+        chatRooms.filter { it.kind == RoomKind.Request }
+    }
+
+    Scaffold(
+        snackbarHost = { SnackbarHost(snackbarHostState) },
+        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+        topBar = {
+            TopAppBar(
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+                title = {
+                    Text(
+                        text = "New Requests",
+                        style = MaterialTheme.typography.titleMediumEmphasized
+                    )
+                },
+                navigationIcon = {
+                    IconButton(onClick = { navigator.goBack() }) {
+                        Icon(
+                            painter = org.jetbrains.compose.resources.painterResource(Res.drawable.ic_arrow_back),
+                            contentDescription = "Back"
+                        )
+                    }
+                },
+            )
+        },
+    ) { innerPadding ->
+        Column(
+            modifier = Modifier.padding(top = innerPadding.calculateTopPadding()),
+            verticalArrangement = Arrangement.spacedBy(16.dp),
+        ) {
+            Surface(
+                modifier = Modifier.fillMaxSize(),
+                color = MaterialTheme.colorScheme.surface,
+                shape = RoundedCornerShape(topStart = 24.dp, topEnd = 24.dp),
+            ) {
+                PullToRefreshBox(
+                    modifier = Modifier.fillMaxSize(),
+                    isRefreshing = isRefreshing,
+                    state = pullToRefreshState,
+                    onRefresh = {
+                        scope.launch {
+                            isRefreshing = true
+                            viewModel.refreshChatRooms()
+                            isRefreshing = false
+                        }
+                    },
+                    indicator = {
+                        PullToRefreshDefaults.LoadingIndicator(
+                            state = pullToRefreshState,
+                            isRefreshing = isRefreshing,
+                            modifier = Modifier.align(Alignment.TopCenter),
+                        )
+                    }
+                ) {
+                    if (requests.isEmpty()) {
+                        Box(
+                            modifier = Modifier.fillMaxSize(),
+                            contentAlignment = Alignment.Center
+                        ) {
+                            Column(
+                                horizontalAlignment = Alignment.CenterHorizontally,
+                                verticalArrangement = Arrangement.spacedBy(4.dp),
+                            ) {
+                                Text(
+                                    text = "No requests yet",
+                                    style = MaterialTheme.typography.titleLargeEmphasized.copy(
+                                        fontWeight = FontWeight.SemiBold
+                                    ),
+                                    color = MaterialTheme.colorScheme.onSurface
+                                )
+                                Text(
+                                    text = "New chat requests will appear here.",
+                                    style = MaterialTheme.typography.bodyMedium,
+                                    color = MaterialTheme.colorScheme.outline
+                                )
+                            }
+                        }
+                    } else {
+                        LazyColumn(
+                            state = listState,
+                            modifier = Modifier.fillMaxSize()
+                        ) {
+                            items(requests.toList(), key = { it.id }) { room ->
+                                ChatRoom(
+                                    room = room,
+                                    onClick = { navigator.navigate(Screen.Chat(room.id, true)) }
+                                )
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

composeApp/src/androidMain/kotlin/su/reya/coop/shared/RoomHelper.kt

@@ -8,7 +8,7 @@ import su.reya.coop.NostrViewModel
 import su.reya.coop.Room
 import su.reya.coop.short
 
-fun Room.displayNameFlow(viewModel: NostrViewModel): Flow<String> {
+fun Room.nameFlow(viewModel: NostrViewModel): Flow<String> {
     // Return early if there's a custom subject/room name
     subject?.takeIf { it.isNotBlank() }?.let { return flowOf(it) }
 

shared/build.gradle.kts

@@ -33,7 +33,7 @@ kotlin {
             implementation(libs.androidx.lifecycle.runtimeCompose)
             implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
             implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.8.0")
-            implementation("su.reya:nostr-sdk-kmp:0.2.7")
+            implementation("su.reya:nostr-sdk-kmp:0.3.1")
             implementation("com.squareup.okio:okio:3.16.2")
         }
         androidMain.dependencies {

shared/src/commonMain/kotlin/su/reya/coop/Nostr.kt

@@ -50,11 +50,11 @@ import rust.nostr.sdk.SubscribeAutoCloseOptions
 import rust.nostr.sdk.Tag
 import rust.nostr.sdk.Timestamp
 import rust.nostr.sdk.UnsignedEvent
-import rust.nostr.sdk.UnwrappedGift
 import rust.nostr.sdk.extractRelayList
 import rust.nostr.sdk.initLogger
 import rust.nostr.sdk.nip17ExtractRelayList
 import rust.nostr.sdk.nip59MakeGiftWrapAsync
+import kotlin.coroutines.cancellation.CancellationException
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.milliseconds
 
@@ -78,8 +78,6 @@ class Nostr {
         private set
     var signer: UniversalSigner = UniversalSigner(Keys.generate())
         private set
-    var deviceSigner: AsyncNostrSigner? = null
-        private set
     var sentEvents: MutableMap<EventId, List<RelayUrl>> = mutableMapOf()
         private set
     var rumorMap: MutableMap<EventId, EventId> = mutableMapOf()
@@ -298,7 +296,11 @@ class Nostr {
 
                             if (event.kind().asStd()?.equals(KindStandard.CONTACT_LIST) == true) {
                                 if (isSignedByUser(event = event)) {
-                                    onContactListUpdate(event.tags().publicKeys())
+                                    val pubkeys = event.tags().publicKeys()
+                                    // Get mutual contacts
+                                    getMutualContacts(pubkeys)
+                                    // Emit contact list update
+                                    onContactListUpdate(pubkeys)
                                 }
                             }
 
@@ -310,26 +312,23 @@ class Nostr {
                             }
 
                             if (event.kind().asStd()?.equals(KindStandard.GIFT_WRAP) == true) {
-                                try {
+                                val rumor = extractRumor(event)
-                                    val rumor = extractRumor(event)
 
-                                    // Logic to notify UI after processing
+                                // Logic to notify UI after processing
-                                    // Cancel previous tracker if it exists
+                                // Cancel previous tracker if it exists
-                                    eoseTrackerJob?.cancel()
+                                eoseTrackerJob?.cancel()
-                                    // Start a new tracker
-                                    eoseTrackerJob = launch {
-                                        delay(10000.milliseconds) // Wait for 10 seconds
-                                        onSubscriptionClose()
-                                    }
 
-                                    // Handle new message
+                                // Start a new tracker
-                                    rumor?.createdAt()?.asSecs()?.let {
+                                eoseTrackerJob = launch {
-                                        if (it >= now.asSecs()) {
+                                    delay(10000.milliseconds) // Wait for 10 seconds
-                                            onNewMessage(rumor)
+                                    onSubscriptionClose()
-                                        }
+                                }
+
+                                // Handle new message
+                                rumor?.createdAt()?.asSecs()?.let {
+                                    if (it >= now.asSecs()) {
+                                        onNewMessage(rumor)
                                     }
-                                } catch (e: Exception) {
-                                    println("Failed to extract rumor: $e")
                                 }
                             }
                         }
@@ -366,33 +365,50 @@ class Nostr {
         }
     }
 
+    private suspend fun getMutualContacts(pubkeys: List<PublicKey>) {
+        try {
+            val kind = Kind.fromStd(KindStandard.CONTACT_LIST)
+            val filter = Filter().kind(kind).authors(pubkeys).limit(200u)
+            val opts = SubscribeAutoCloseOptions().exitPolicy(ReqExitPolicy.ExitOnEose)
+
+            val target = mutableMapOf<RelayUrl, List<Filter>>()
+            NostrManager.BOOTSTRAP_RELAYS.forEach { relay ->
+                target[RelayUrl.parse(relay)] = listOf(filter)
+            }
+
+            client?.subscribe(
+                target = ReqTarget.manual(target),
+                id = "mutual-contacts",
+                closeOn = opts,
+            )
+        } catch (e: Exception) {
+            throw IllegalStateException("Failed to fetch mutual contacts: ${e.message}", e)
+        }
+    }
+
     private suspend fun getCachedRumor(giftId: EventId): UnsignedEvent? {
         try {
             val filter = Filter().identifier(giftId.toHex())
             val event = client?.database()?.query(filter)?.first()
 
             return event?.content()?.let { UnsignedEvent.fromJson(it) }
-        } catch (e: Exception) {
+        } catch (e: Throwable) {
             throw IllegalStateException("Failed to get cached rumor: ${e.message}", e)
         }
     }
 
     private suspend fun setCachedRumor(giftId: EventId, rumor: UnsignedEvent) {
         try {
-            // Construct the room id
-            val roomId = rumor.roomId()
-
             // Construct reference tags
             val tags = listOf(
                 Tag.identifier(giftId.toHex()),
                 Tag.publicKey(rumor.author()),
-                Tag.event(rumor.id()!!),
+                Tag.custom("r", listOf(rumor.roomId().toString())),
-                Tag.custom("r", listOf(roomId.toString())),
                 Tag.custom("k", listOf("14"))
             )
 
             // Set event kind
-            val kind = Kind.fromStd(KindStandard.APPLICATION_SPECIFIC_DATA);
+            val kind = Kind.fromStd(KindStandard.APPLICATION_SPECIFIC_DATA)
 
             // Construct event
             val event = EventBuilder(kind, rumor.asJson())
@@ -400,36 +416,64 @@ class Nostr {
                 .finalizeAsync(Keys.generate())
 
             client?.database()?.saveEvent(event)
-        } catch (e: Exception) {
+        } catch (e: Throwable) {
             println("Failed to set cached rumor: ${e.message}")
         }
     }
 
     private suspend fun extractRumor(event: Event): UnsignedEvent? {
         try {
+            // Gift wrap must have at least one 'p' tag
+            if (event.tags().publicKeys().isEmpty()) {
+                println("No recipient tags found.")
+                return null
+            }
+
+            // Event must be a gift wrap
+            if (event.kind().asStd().let { it != KindStandard.GIFT_WRAP }) {
+                println("Event is not a gift wrap.")
+                return null
+            }
+
             // Check if the rumor is already cached
             val cachedRumor = getCachedRumor(event.id())
             if (cachedRumor != null) return cachedRumor
 
-            // Unwrap the gift with current signer
+            // Decrypt the gift wrap event
-            val gift = UnwrappedGift.fromGiftWrapAsync(signer = signer, giftWrap = event)
+            val seal = signer.nip44DecryptAsync(event.author(), event.content())
-            val rumor = gift.rumor()
+            val sealEvent = Event.fromJson(seal)
 
-            // Save the rumor to the database
+            // Verify seal event
-            setCachedRumor(event.id(), rumor)
+            if (!sealEvent.verify()) {
+                println("Failed to verify seal event.")
+                return null
+            }
 
-            // Return the rumor
+            // Decrypt the rumor
-            return rumor
+            val rumor = signer.nip44DecryptAsync(sealEvent.author(), sealEvent.content())
-        } catch (e: Exception) {
+            val unsignedEvent = UnsignedEvent.fromJson(rumor)
-            println("Failed to unwrap gift: ${e.message}")
+
+            // Ensure the rumor author matches the seal
+            if (unsignedEvent.author() != sealEvent.author()) {
+                println("Author mismatch.")
+                return null
+            }
+
+            // Cache the rumor for later use
+            setCachedRumor(event.id(), unsignedEvent)
+
+            return unsignedEvent
+        } catch (e: CancellationException) {
+            throw e
+        } catch (e: Throwable) {
+            println("Failed to unwrap gift ${event.id().toHex()}: ${e.message}")
+            return null
         }
-
-        return null
     }
 
     private suspend fun getDefaultRelayList(): Map<RelayUrl, RelayMetadata> {
         // Construct a list of relays
-        val relayList = mapOf<RelayUrl, RelayMetadata>(
+        val relayList = mapOf(
             RelayUrl.parse("wss://relay.damus.io") to RelayMetadata.READ,
             RelayUrl.parse("wss://relay.primal.net") to RelayMetadata.READ,
             RelayUrl.parse("wss://relay.nostr.net") to RelayMetadata.WRITE,
@@ -471,7 +515,7 @@ class Nostr {
     suspend fun createIdentity(keys: Keys, name: String, bio: String?, picture: String?) {
         // Send relay list event
         val relayList = getDefaultRelayList()
-        val relayListEvent = EventBuilder.relayList(relayList).finalizeAsync(keys);
+        val relayListEvent = EventBuilder.relayList(relayList).finalizeAsync(keys)
 
         client?.sendEvent(
             event = relayListEvent,
@@ -546,7 +590,7 @@ class Nostr {
 
     private suspend fun getLatestMetadata(pubkey: PublicKey): Metadata? {
         return try {
-            val kind = Kind.fromStd(KindStandard.METADATA);
+            val kind = Kind.fromStd(KindStandard.METADATA)
             val filter = Filter().kind(kind).author(pubkey).limit(1u)
             val event = client?.database()?.query(filter)?.first() ?: return null
 
@@ -581,7 +625,7 @@ class Nostr {
 
     suspend fun fetchMetadataBatch(keys: List<PublicKey>) {
         try {
-            val limit = keys.size.toULong() * 4u;
+            val limit = keys.size.toULong() * 4u
             val opts = SubscribeAutoCloseOptions().exitPolicy(ReqExitPolicy.ExitOnEose)
 
             // Construct a filter for metadata events
@@ -615,7 +659,7 @@ class Nostr {
                 ackPolicy = AckPolicy.none(),
             )
 
-            val kind = Kind.fromStd(KindStandard.INBOX_RELAYS);
+            val kind = Kind.fromStd(KindStandard.INBOX_RELAYS)
             val filter = Filter().kind(kind).author(signer.currentUser!!).limit(1u)
             val target = ReqTarget.auto(listOf(filter))
             val opts = SubscribeAutoCloseOptions().exitPolicy(ReqExitPolicy.ExitOnEose)
@@ -677,6 +721,21 @@ class Nostr {
         }
     }
 
+    suspend fun setContactList(contacts: List<PublicKey>) {
+        try {
+            val contacts = contacts.map { Contact(it) }
+            val event = EventBuilder.contactList(contacts).finalizeAsync(signer)
+
+            client?.sendEvent(
+                event = event,
+                target = SendEventTarget.broadcast(),
+                ackPolicy = AckPolicy.none(),
+            )
+        } catch (e: Exception) {
+            throw IllegalStateException("Failed to set contact list: ${e.message}", e)
+        }
+    }
+
     suspend fun getChatRooms(): Set<Room>? {
         try {
             val userPubkey =
@@ -685,8 +744,8 @@ class Nostr {
             val kind = Kind.fromStd(KindStandard.APPLICATION_SPECIFIC_DATA)
             val kTag = SingleLetterTag.lowercase(Alphabet.K)
 
-            // Get all events sent by the user
+            // Get all DM events
-            val filter = Filter().kind(kind).pubkey(userPubkey).customTags(kTag, listOf("14", "dm"))
+            val filter = Filter().kind(kind).customTags(kTag, listOf("14", "dm"))
             val events = client?.database()?.query(filter)
 
             // Collect rooms
@@ -702,12 +761,13 @@ class Nostr {
 
                     // Check if the room already exists
                     if (existingRoom == null || newRoom.createdAt.asSecs() > existingRoom.createdAt.asSecs()) {
-                        val kind = Kind.fromStd(KindStandard.PRIVATE_DIRECT_MESSAGE)
+                        val rTag = SingleLetterTag.lowercase(Alphabet.R)
-                        val pubkeys = newRoom.members.toList()
+                        val filter = Filter().kind(kind).pubkey(userPubkey)
-                        val filter = Filter().kind(kind).author(userPubkey).pubkeys(pubkeys)
+                            .customTag(rTag, newRoom.id.toString())
 
                         // Determine if it's an ongoing room
-                        val isOngoing = client?.database()?.query(filter)?.isEmpty() == false
+                        val isOngoing =
+                            client?.database()?.query(filter)?.toVec()?.isNotEmpty() ?: false
 
                         // Append room to map
                         roomsMap[newRoom.id] =
@@ -766,7 +826,7 @@ class Nostr {
 
     suspend fun connectMsgRelays(event: Event) {
         try {
-            val urls = nip17ExtractRelayList(event);
+            val urls = nip17ExtractRelayList(event)
             for (url in urls) {
                 client?.addRelay(url, RelayCapabilities.gossip())
                 client?.connectRelay(url)
@@ -910,4 +970,61 @@ class Nostr {
             throw IllegalStateException("Failed to search nostr: ${e.message}", e)
         }
     }
+
+    suspend fun verifyActivity(pubkey: PublicKey): Timestamp? {
+        try {
+            val filter = Filter().author(pubkey).limit(3u)
+            val target = mutableMapOf<RelayUrl, List<Filter>>()
+            NostrManager.BOOTSTRAP_RELAYS.forEach { relay ->
+                target[RelayUrl.parse(relay)] = listOf(filter)
+            }
+
+            val events = client?.fetchEvents(
+                target = ReqTarget.manual(target),
+                timeout = Duration.parse("3s")
+            )
+
+            return events?.first()?.createdAt()
+        } catch (e: Exception) {
+            throw IllegalStateException("Failed to get latest activity: ${e.message}", e)
+        }
+    }
+
+    suspend fun verifyContact(pubkey: PublicKey): Boolean {
+        try {
+            val currentUser =
+                signer.getPublicKeyAsync() ?: throw IllegalStateException("User not signed in")
+            
+            val kind = Kind.fromStd(KindStandard.CONTACT_LIST)
+            val filter = Filter().kind(kind).author(currentUser).limit(1u)
+
+            val events = client?.database()?.query(filter)
+            val pubkeys = events?.first()?.tags()?.publicKeys() ?: listOf()
+
+            return pubkeys.contains(pubkey)
+        } catch (e: Exception) {
+            throw IllegalStateException("Failed to get mutual contacts: ${e.message}", e)
+        }
+    }
+
+    suspend fun mutualContacts(pubkey: PublicKey): Set<PublicKey> {
+        try {
+            val currentUser =
+                signer.getPublicKeyAsync() ?: throw IllegalStateException("User not signed in")
+
+            val kind = Kind.fromStd(KindStandard.CONTACT_LIST)
+            val filter = Filter().kind(kind).pubkey(pubkey).limit(1u)
+
+            val events = client?.database()?.query(filter)
+            val contacts = mutableSetOf<PublicKey>()
+
+            events?.toVec()?.filter { it.author() != currentUser }?.forEach { event ->
+                contacts.add(event.author())
+            }
+
+            return contacts.toSet()
+        } catch (e: Exception) {
+            throw IllegalStateException("Failed to get mutual contacts: ${e.message}", e)
+        }
+    }
 }

shared/src/commonMain/kotlin/su/reya/coop/NostrViewModel.kt

@@ -35,6 +35,7 @@ import rust.nostr.sdk.PublicKey
 import rust.nostr.sdk.RelayMetadata
 import rust.nostr.sdk.RelayUrl
 import rust.nostr.sdk.Tag
+import rust.nostr.sdk.Timestamp
 import rust.nostr.sdk.UnsignedEvent
 import su.reya.coop.blossom.BlossomClient
 import su.reya.coop.storage.SecretStorage
@@ -616,6 +617,54 @@ class NostrViewModel(
         }
     }
 
+    private suspend fun newContact(publicKey: PublicKey) {
+        if (publicKey in contactList.value) return
+
+        try {
+            val updated = contactList.value + publicKey
+            // Publish new event
+            nostr.setContactList(updated.toList())
+            // Optimistic local update
+            _contactList.update { it + publicKey }
+        } catch (e: Exception) {
+            showError("Error: ${e.message}")
+        }
+    }
+
+    suspend fun addContact(address: String): Boolean {
+        val pubkey = try {
+            if (address.contains("@")) {
+                nostr.searchByAddress(address)
+            } else {
+                PublicKey.parse(address)
+            }
+        } catch (e: Exception) {
+            showError("Invalid contact address: ${e.message}")
+            return false
+        }
+
+        return run {
+            newContact(pubkey)
+            true
+        }
+    }
+
+    fun removeContact(publicKey: PublicKey) {
+        viewModelScope.launch {
+            if (publicKey !in contactList.value) return@launch
+
+            try {
+                val updated = contactList.value - publicKey
+                // Publish new event
+                nostr.setContactList(updated.toList())
+                // Optimistic local update
+                _contactList.update { it - publicKey }
+            } catch (e: Exception) {
+                showError("Error: ${e.message}")
+            }
+        }
+    }
+
     fun createChatRoom(to: List<PublicKey>): Long {
         try {
             if (nostr.signer.currentUser == null) throw IllegalStateException("User not signed in")
@@ -772,6 +821,33 @@ class NostrViewModel(
         }
         return emptyList()
     }
+    
+    suspend fun verifyActivity(pubkey: PublicKey): Timestamp? {
+        return try {
+            nostr.verifyActivity(pubkey)
+        } catch (e: Exception) {
+            showError("Error: ${e.message}")
+            null
+        }
+    }
+
+    suspend fun verifyContact(pubkey: PublicKey): Boolean {
+        return try {
+            nostr.verifyContact(pubkey)
+        } catch (e: Exception) {
+            showError("Error: ${e.message}")
+            false
+        }
+    }
+
+    suspend fun mutualContacts(pubkey: PublicKey): Set<PublicKey> {
+        return try {
+            nostr.mutualContacts(pubkey)
+        } catch (e: Exception) {
+            showError("Error: ${e.message}")
+            setOf()
+        }
+    }
 }
 
 fun PublicKey.short(): String {