Fix more bugs

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

app/shared/src/commonMain/kotlin/ru/fromchat/api/ApiClient.kt

@@ -600,12 +600,13 @@ object ApiClient {
         }
 
         ProfileCache.get(currentUser?.id ?: 0)?.let { cached ->
-            ProfileCache.put(
+            ProfileCache.applyServerProfile(
                 cached.copy(
                     username = response.username,
                     displayName = response.displayName,
                     bio = response.bio,
-                )
+                ),
+                force = true,
             )
         }
 

app/shared/src/commonMain/kotlin/ru/fromchat/api/DeferredStartupNetwork.kt

@@ -22,7 +22,7 @@ object DeferredStartupNetwork {
             runCatching {
                 val profile = ApiClient.getOwnProfile()
                 ApiClient.applyOwnProfile(profile)
-                ProfileCache.put(profile)
+                ProfileCache.applyServerProfile(profile, force = false)
             }
             runCatching { syncPushTokenAfterStartup() }
         }

app/shared/src/commonMain/kotlin/ru/fromchat/api/ProfileUpdateSync.kt

@@ -0,0 +1,150 @@
+package ru.fromchat.api
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.launch
+import kotlinx.serialization.json.JsonElement
+import kotlinx.serialization.json.JsonObject
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.booleanOrNull
+import kotlinx.serialization.json.contentOrNull
+import kotlinx.serialization.json.intOrNull
+import kotlinx.serialization.json.jsonObject
+import kotlinx.serialization.json.jsonPrimitive
+import ru.fromchat.Logger
+import ru.fromchat.api.local.WebSocketManager
+import ru.fromchat.api.local.db.store.MessageRepository
+import ru.fromchat.api.local.db.store.ProfileCache
+import ru.fromchat.api.local.db.store.UserStatusStore
+import ru.fromchat.api.schema.user.profile.UserProfile
+import ru.fromchat.api.schema.user.profile.VerificationStatus
+import ru.fromchat.api.schema.user.profile.orFromLegacyVerified
+import ru.fromchat.api.schema.websocket.WebSocketMessage
+import ru.fromchat.api.schema.websocket.types.WebSocketUpdatesData
+
+/**
+ * Applies [profileUpdate] WebSocket payloads to [ProfileCache], the current-user session,
+ * and DM conversation list labels so profile changes reflect everywhere without a refetch.
+ */
+object ProfileUpdateSync {
+    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
+    private var started = false
+
+    fun ensureStarted() {
+        if (started) return
+        started = true
+        WebSocketManager.addGlobalMessageHandler(::handleWebSocketMessage)
+    }
+
+    fun resetOnLogout() {
+        started = false
+    }
+
+    fun onProfileUpdatePayload(data: JsonElement) {
+        scope.launch { applyProfileUpdate(data) }
+    }
+
+    private fun handleWebSocketMessage(message: WebSocketMessage) {
+        when (message.type) {
+            "updates" -> {
+                val data = message.data ?: return
+                val updates = runCatching {
+                    ApiClient.json.decodeFromJsonElement(WebSocketUpdatesData.serializer(), data)
+                }.getOrNull() ?: return
+                updates.updates.forEach { update ->
+                    handleWebSocketMessage(WebSocketMessage(type = update.type, data = update.data))
+                }
+            }
+            "profileUpdate" -> {
+                val payload = message.data ?: return
+                onProfileUpdatePayload(payload)
+            }
+        }
+    }
+
+    private suspend fun applyProfileUpdate(data: JsonElement) {
+        val profile = parseProfileUpdate(data) ?: run {
+            Logger.w("ProfileUpdateSync", "profileUpdate parse failed: ${data.toString().take(200)}")
+            return
+        }
+        if (profile.id <= 0) return
+
+        Logger.d(
+            "ProfileUpdateSync",
+            "profileUpdate id=${profile.id} username='${profile.username}' " +
+                "bio='${profile.bio?.take(48)}'",
+        )
+        ProfileCache.applyServerProfile(profile, force = true)
+        UserStatusStore.update(profile.id, profile.online, profile.lastSeen)
+
+        if (ApiClient.user?.id == profile.id) {
+            ApiClient.applyOwnProfile(profile)
+        }
+
+        runCatching { MessageRepository.patchDmConversationPeerProfile(profile.id) }
+    }
+
+    private fun parseProfileUpdate(data: JsonElement): UserProfile? {
+        val normalized = normalizeProfilePayload(data)
+        val decoded = runCatching {
+            ApiClient.json.decodeFromJsonElement(UserProfile.serializer(), normalized)
+        }.getOrElse { error ->
+            Logger.w("ProfileUpdateSync", "UserProfile decode failed: ${error.message}", error)
+            null
+        }
+        if (decoded != null) {
+            return decoded.copy(isClientPreviewOnly = false)
+        }
+        return parseProfileUpdateFallback(data)
+    }
+
+    private fun normalizeProfilePayload(data: JsonElement): JsonElement {
+        val obj = data.jsonObject
+        val fixed = obj.toMutableMap()
+        for (key in listOf("created_at", "last_seen")) {
+            val value = obj[key] ?: continue
+            if (value !is JsonPrimitive) {
+                fixed[key] = JsonPrimitive(value.toString().trim('"'))
+            }
+        }
+        return JsonObject(fixed)
+    }
+
+    private fun parseProfileUpdateFallback(data: JsonElement): UserProfile? {
+        val obj = data.jsonObject
+        val id = obj["id"]?.jsonPrimitive?.intOrNull ?: return null
+        val verified = obj["verified"]?.jsonPrimitive?.booleanOrNull
+        val verificationRaw = obj["verification_status"]?.jsonPrimitive?.contentOrNull
+        val verificationStatus = verificationRaw?.let { raw ->
+            VerificationStatus.entries.firstOrNull { it.name.equals(raw, ignoreCase = true) }
+                ?: when (raw.lowercase()) {
+                    "verified" -> VerificationStatus.Verified
+                    "warning" -> VerificationStatus.Warning
+                    "blocked" -> VerificationStatus.Blocked
+                    else -> VerificationStatus.None
+                }
+        }
+        return UserProfile(
+            id = id,
+            username = obj["username"]?.jsonPrimitive?.contentOrNull.orEmpty(),
+            displayName = obj["display_name"]?.jsonPrimitive?.contentOrNull,
+            profilePicture = obj["profile_picture"]?.jsonPrimitive?.contentOrNull,
+            bio = obj["bio"]?.jsonPrimitive?.contentOrNull,
+            online = obj["online"]?.jsonPrimitive?.booleanOrNull ?: false,
+            lastSeen = jsonScalarAsString(obj["last_seen"]),
+            createdAt = jsonScalarAsString(obj["created_at"]),
+            verified = verified,
+            verificationStatus = verificationStatus.orFromLegacyVerified(verified),
+            suspended = obj["suspended"]?.jsonPrimitive?.booleanOrNull,
+            suspensionReason = obj["suspension_reason"]?.jsonPrimitive?.contentOrNull,
+            deleted = obj["deleted"]?.jsonPrimitive?.booleanOrNull,
+            isClientPreviewOnly = false,
+        )
+    }
+
+    private fun jsonScalarAsString(element: JsonElement?): String? {
+        element ?: return null
+        return element.jsonPrimitive.contentOrNull ?: element.toString().trim('"')
+    }
+}

app/shared/src/commonMain/kotlin/ru/fromchat/api/StatusSubscriptionCoordinator.kt

@@ -0,0 +1,65 @@
+package ru.fromchat.api
+
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import ru.fromchat.api.local.WebSocketManager
+import ru.fromchat.api.local.db.store.ConnectionStateStore
+import ru.fromchat.api.local.db.store.ConnectionStatus
+
+/**
+ * Reference-counted [subscribeStatus] / [unsubscribeStatus] so multiple screens
+ * (chat top bar, profile, chats list) can share one backend subscription per user.
+ */
+object StatusSubscriptionCoordinator {
+    private val mutex = Mutex()
+    private val refCounts = mutableMapOf<Int, Int>()
+    private var started = false
+
+    fun ensureStarted() {
+        if (started) return
+        started = true
+        WebSocketManager.addSessionReadyHandler { resubscribeAll() }
+    }
+
+    suspend fun acquire(userId: Int) {
+        if (userId <= 0) return
+        val shouldSubscribe = mutex.withLock {
+            val next = (refCounts[userId] ?: 0) + 1
+            refCounts[userId] = next
+            next == 1
+        }
+        if (shouldSubscribe && ConnectionStateStore.status.value == ConnectionStatus.CONNECTED) {
+            runCatching { ApiClient.sendSubscribeStatus(userId) }
+        }
+    }
+
+    suspend fun release(userId: Int) {
+        if (userId <= 0) return
+        val shouldUnsubscribe = mutex.withLock {
+            val current = refCounts[userId] ?: return
+            if (current <= 1) {
+                refCounts.remove(userId)
+                true
+            } else {
+                refCounts[userId] = current - 1
+                false
+            }
+        }
+        if (shouldUnsubscribe) {
+            runCatching { ApiClient.sendUnsubscribeStatus(userId) }
+        }
+    }
+
+    suspend fun resubscribeAll() {
+        val userIds = mutex.withLock { refCounts.keys.toList() }
+        if (ConnectionStateStore.status.value != ConnectionStatus.CONNECTED) return
+        userIds.forEach { userId ->
+            runCatching { ApiClient.sendSubscribeStatus(userId) }
+        }
+    }
+
+    fun resetOnLogout() {
+        refCounts.clear()
+        started = false
+    }
+}

app/shared/src/commonMain/kotlin/ru/fromchat/api/instance/SessionInstanceBootstrap.kt

@@ -8,7 +8,9 @@ import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.ChatListSync
+import ru.fromchat.api.ProfileUpdateSync
 import ru.fromchat.api.PublicChatProfileSync
+import ru.fromchat.api.StatusSubscriptionCoordinator
 import ru.fromchat.api.local.db.store.InstanceRegistryStore
 import ru.fromchat.api.local.db.store.MessageRepository
 import ru.fromchat.api.local.db.store.PublicChatProfileCache
@@ -39,6 +41,8 @@ private suspend fun activateInstance(instanceId: String) {
     CacheContext.setActiveInstance(instanceId, ApiClient.user?.id)
     runCatching { PublicChatProfileCache.hydrateFromDiskImmediate(instanceId) }
     PublicChatProfileSync.ensureStarted()
+    ProfileUpdateSync.ensureStarted()
+    StatusSubscriptionCoordinator.ensureStarted()
     ChatListSync.ensureStarted()
     scheduleOutboxProcessing(instanceId)
     scheduleAttachmentResumeAfterSession()

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/db/LocalCacheWipe.kt

@@ -4,6 +4,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.ChatListSync
+import ru.fromchat.api.ProfileUpdateSync
+import ru.fromchat.api.StatusSubscriptionCoordinator
 import ru.fromchat.api.PublicChatProfileSync
 import ru.fromchat.api.local.cache.CacheContext
 import ru.fromchat.api.local.cache.DecryptedFileCache
@@ -49,6 +51,8 @@ suspend fun wipeLocalCacheOnDisk() {
 suspend fun clearAccountCacheOnLogout(instanceId: String) {
     val id = instanceId.trim()
     PublicChatProfileSync.resetOnLogout()
+    ProfileUpdateSync.resetOnLogout()
+    StatusSubscriptionCoordinator.resetOnLogout()
     ChatListSync.resetOnLogout()
     if (id.isNotEmpty()) {
         cancelOutboxProcessing(id)

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/db/store/MessageCacheStore.kt

@@ -543,6 +543,33 @@ object MessageCacheStore {
             ?: ProfileCache.get(otherUserId)?.displayName?.trim()?.takeIf { it.isNotEmpty() }
             ?: ProfileCache.get(otherUserId)?.visibleUsername(ApiClient.user?.id).orEmpty()
 
+    suspend fun patchDmConversationPeerProfile(otherUserId: Int) {
+        if (otherUserId <= 0) return
+        val iid = instanceId()
+        val convId = conversationIdForDm(otherUserId)
+        withContext(Dispatchers.Default) {
+            val existing = db.messageDatabaseQueries
+                .selectConversationById(iid, convId)
+                .executeAsOneOrNull() ?: return@withContext
+            val label = resolveDmConversationDisplayLabel(otherUserId, null)
+            if (label.isEmpty()) return@withContext
+            if (label == existing.displayName) return@withContext
+            db.messageDatabaseQueries.upsertConversation(
+                instanceId = iid,
+                id = existing.id,
+                type = existing.type,
+                otherUserId = existing.otherUserId,
+                displayName = label,
+                lastMessageId = existing.lastMessageId,
+                lastMessagePreview = existing.lastMessagePreview,
+                unreadCount = existing.unreadCount,
+                updatedAt = existing.updatedAt,
+                archived = existing.archived,
+            )
+            DmConversationListNotifier.notifyChanged()
+        }
+    }
+
     suspend fun markDmConversationReadLocally(otherUserId: Int, upToEnvelopeId: Int? = null) {
         val iid = instanceId()
         val convId = conversationIdForDm(otherUserId)

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/db/store/MessageRepository.kt

@@ -108,6 +108,9 @@ object MessageRepository {
     suspend fun ensureDmConversationRow(otherUserId: Int, displayName: String? = null) =
         MessageCacheStore.ensureDmConversationRow(otherUserId, displayName)
 
+    suspend fun patchDmConversationPeerProfile(otherUserId: Int) =
+        MessageCacheStore.patchDmConversationPeerProfile(otherUserId)
+
     suspend fun markDmConversationRead(otherUserId: Int, upToEnvelopeId: Int? = null) {
         runCatching { ApiClient.markDmConversationRead(otherUserId, upToEnvelopeId) }
         MessageCacheStore.markDmConversationReadLocally(otherUserId, upToEnvelopeId)

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/db/store/ProfileCache.kt

@@ -6,6 +6,9 @@ import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
@@ -61,6 +64,10 @@ object ProfileCache {
 
     fun get(userId: Int): UserProfile? = profiles[userId]
 
+    /** Emits whenever this user's cached profile changes (including bio). */
+    fun observeUser(userId: Int): Flow<UserProfile?> =
+        revision.map { get(userId) }.distinctUntilChanged()
+
     fun findByUsername(username: String): UserProfile? =
         username.trim().takeIf { it.isNotEmpty() }?.let { needle ->
             profiles.values.firstOrNull { profile ->
@@ -135,6 +142,18 @@ object ProfileCache {
             }
         }
         val cur = profiles
+        val existing = cur[profile.id]
+        if (
+            existing != null &&
+            !existing.isClientPreviewOnly &&
+            existing.bio != profile.bio
+        ) {
+            ru.fromchat.Logger.d(
+                "ProfileCache",
+                "put overwrite id=${profile.id} bio '${existing.bio?.take(48)}' -> " +
+                    "'${profile.bio?.take(48)}' preview=${profile.isClientPreviewOnly}",
+            )
+        }
         profiles = cur + (profile.id to profile)
         bumpRevision()
         val instanceId = loadedInstanceId
@@ -145,6 +164,35 @@ object ProfileCache {
         }
     }
 
+    /**
+     * Applies a full server profile payload (HTTP or WebSocket).
+     * When [force] is false, an existing full (non-preview) cache row is kept so a slow HTTP
+     * response cannot overwrite a fresher WebSocket update.
+     */
+    fun applyServerProfile(profile: UserProfile, force: Boolean = false) {
+        if (profile.id <= 0) return
+        val normalized = profile.copy(isClientPreviewOnly = false)
+        if (!force) {
+            val existing = get(profile.id)
+            if (existing != null && !existing.isClientPreviewOnly) {
+                if (existing.bio != normalized.bio) {
+                    ru.fromchat.Logger.d(
+                        "ProfileCache",
+                        "applyServerProfile skipped stale HTTP id=${profile.id} " +
+                            "cachedBio='${existing.bio?.take(48)}' httpBio='${normalized.bio?.take(48)}'",
+                    )
+                }
+                return
+            }
+        }
+        ru.fromchat.Logger.d(
+            "ProfileCache",
+            "applyServerProfile applied force=$force id=${profile.id} " +
+                "bio='${normalized.bio?.take(48)}'",
+        )
+        put(normalized)
+    }
+
     fun remove(userId: Int) {
         val cur = profiles
         if (userId !in cur) return
@@ -333,11 +381,26 @@ object ProfileCache {
         val instanceId = CacheContext.activeInstanceId.value.trim()
         persistMutex.withLock {
             loadedInstanceId = instanceId
-            profiles = if (instanceId.isNotEmpty()) {
+            val diskProfiles = if (instanceId.isNotEmpty()) {
                 runCatching { ProfileCacheStore.loadAllForInstance(instanceId) }.getOrDefault(emptyMap())
             } else {
                 emptyMap()
             }
+            if (profiles.isEmpty()) {
+                profiles = diskProfiles
+            } else {
+                val merged = profiles.toMutableMap()
+                for ((userId, diskProfile) in diskProfiles) {
+                    val inMemory = merged[userId]
+                    when {
+                        inMemory == null -> merged[userId] = diskProfile
+                        inMemory.isClientPreviewOnly && !diskProfile.isClientPreviewOnly ->
+                            merged[userId] = diskProfile
+                        // Keep in-memory full profiles over disk — disk may lag behind WS.
+                    }
+                }
+                profiles = merged
+            }
             pruneUnusableClientPreviewsLocked()
             bumpRevision()
         }

app/shared/src/commonMain/kotlin/ru/fromchat/api/local/db/store/UserStatusStore.kt

@@ -16,6 +16,7 @@ object UserStatusStore {
     val status: StateFlow<Map<Int, UserStatus>> = _status.asStateFlow()
 
     fun update(userId: Int, online: Boolean, lastSeen: String?) {
+        if (userId <= 0) return
         _status.update { current ->
             val existing = current[userId] ?: UserStatus(online = false)
             current + (userId to existing.copy(online = online, lastSeen = lastSeen ?: existing.lastSeen))

app/shared/src/commonMain/kotlin/ru/fromchat/ui/App.kt

@@ -56,7 +56,9 @@ import kotlinx.serialization.json.jsonPrimitive
 import ru.fromchat.AppForeground
 import ru.fromchat.Logger
 import ru.fromchat.api.DeferredStartupNetwork
+import ru.fromchat.api.ProfileUpdateSync
 import ru.fromchat.api.PublicChatProfileSync
+import ru.fromchat.api.StatusSubscriptionCoordinator
 import ru.fromchat.api.UpdateSyncManager
 import ru.fromchat.api.calls.CallStore
 import ru.fromchat.api.instance.bootstrapSessionInstance
@@ -240,6 +242,8 @@ fun App(
                 )
             }
             PublicChatProfileSync.ensureStarted()
+            ProfileUpdateSync.ensureStarted()
+            StatusSubscriptionCoordinator.ensureStarted()
         }
 
         startDestination = when {
@@ -442,6 +446,8 @@ fun App(
                                                 )
                                             }
                                             PublicChatProfileSync.ensureStarted()
+                                            ProfileUpdateSync.ensureStarted()
+            StatusSubscriptionCoordinator.ensureStarted()
                                             scheduleSessionInstanceNetworkRefresh()
                                         }
                                         WebSocketManager.connect(forceRestart = true)

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/ChatScreen.kt

@@ -81,6 +81,7 @@ import kotlinx.serialization.json.jsonPrimitive
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Logger
 import ru.fromchat.Res
+import ru.fromchat.presence_recently
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.calls.CallStore
 import ru.fromchat.api.local.AttachmentMediaLog
@@ -89,6 +90,8 @@ import ru.fromchat.api.local.db.store.ConnectionStateStore
 import ru.fromchat.api.local.db.store.ConnectionStatus
 import ru.fromchat.api.local.db.store.MessageRepository
 import ru.fromchat.api.local.db.store.ProfileCache
+import ru.fromchat.api.StatusSubscriptionCoordinator
+import ru.fromchat.api.local.db.store.UserStatus
 import ru.fromchat.api.local.db.store.UserStatusStore
 import ru.fromchat.api.local.download.SavableMessageImage
 import ru.fromchat.api.local.download.ensureFileDownloadedForSave
@@ -408,7 +411,8 @@ fun ChatScreen(
         peerDeleted = peerIsDeleted(userId = userId, currentUserId = currentUserId)
         if (!peerDeleted) {
             runCatching { ApiClient.getProfileById(userId) }.onSuccess { profile ->
-                ProfileCache.put(profile)
+                ProfileCache.applyServerProfile(profile, force = false)
+                UserStatusStore.update(profile.id, profile.online, profile.lastSeen)
                 peerDeleted = peerIsDeleted(
                     userId = userId,
                     currentUserId = currentUserId,
@@ -422,6 +426,7 @@ fun ChatScreen(
     var showSuspendedSupportSheet by remember { mutableStateOf(false) }
     val statusConnecting = stringResource(Res.string.status_connecting)
     val statusUpdating = stringResource(Res.string.status_updating)
+    val presenceRecently = stringResource(Res.string.presence_recently)
     val chatGroupLabel = stringResource(Res.string.chat_group_label)
     val cdCall = stringResource(Res.string.cd_call)
     LaunchedEffect(currentTypingUsers) {
@@ -440,9 +445,14 @@ fun ChatScreen(
             }
         }
         panelState.profileUserId != null -> {
-            val userStatus = statusMap[panelState.profileUserId]
+            val peerId = panelState.profileUserId!!
-            val statusText = userStatus?.let {
+            val userStatus = statusMap[peerId]
-                formatLastSeen(it.online, it.lastSeen, lastSeenFormat)
+                ?: ProfileCache.get(peerId)?.let { profile ->
+                    UserStatus(online = profile.online, lastSeen = profile.lastSeen)
+                }
+            val statusText = userStatus?.let { status ->
+                formatLastSeen(status.online, status.lastSeen, lastSeenFormat)
+                    .ifEmpty { if (!status.online) presenceRecently else "" }
             }.orEmpty()
             if (statusText.isNotEmpty()) {
                 "presence:$statusText"
@@ -461,16 +471,14 @@ fun ChatScreen(
 
     // Subscribe to other user's status when DM is visible; re-subscribe after reconnect
     LaunchedEffect(panelState.profileUserId, connectionStatus) {
-        val userId = panelState.profileUserId
+        val userId = panelState.profileUserId ?: return@LaunchedEffect
-        if (userId != null) {
         if (connectionStatus == ConnectionStatus.CONNECTED) {
-                runCatching { ApiClient.sendSubscribeStatus(userId) }
+            StatusSubscriptionCoordinator.acquire(userId)
         }
         try {
             kotlinx.coroutines.awaitCancellation()
         } finally {
-                runCatching { ApiClient.sendUnsubscribeStatus(userId) }
+            StatusSubscriptionCoordinator.release(userId)
-            }
         }
     }
 

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/ChatTopBar.kt

@@ -182,7 +182,7 @@ fun ChatTopBarInner(
 
         Column(
             modifier = Modifier
-                .wrapContentWidth()
+                .fillMaxWidth()
                 .padding(horizontal = 4.dp, vertical = 2.dp),
             horizontalAlignment = Alignment.Start,
         ) {
@@ -208,6 +208,7 @@ fun ChatTopBarInner(
             }
 
             AnimatedContent(
+                modifier = Modifier.fillMaxWidth(),
                 targetState = subtitleKey,
                 transitionSpec = {
                     (slideInVertically { it / 2 } + fadeIn()) togetherWith

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/panels/dm/DmNav.kt

@@ -4,6 +4,7 @@ import androidx.compose.animation.AnimatedVisibilityScope
 import androidx.compose.animation.SharedTransitionScope
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
@@ -79,11 +80,13 @@ fun DmProfileRoute(
         ?: stateSnapshot.title.takeIf { it.isNotBlank() }
     val initialProfilePictureUrl = stateSnapshot.titleAvatar?.profilePictureUrl
 
+    LaunchedEffect(otherUserId, initialDisplayName, initialProfilePictureUrl) {
         ProfileCache.mergePreview(
             id = otherUserId,
             displayName = initialDisplayName,
             profilePicture = initialProfilePictureUrl,
         )
+    }
 
     ProfileScreen(
         userId = otherUserId,

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/panels/dm/DmPanel.kt

@@ -15,6 +15,7 @@ import kotlinx.serialization.json.jsonPrimitive
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.local.cache.CacheContext
 import ru.fromchat.api.local.db.store.ProfileCache
+import ru.fromchat.api.local.db.store.UserStatusStore
 import ru.fromchat.api.local.db.store.MessageCacheStore
 import ru.fromchat.api.local.messages.ActiveDmChatTracker
 import ru.fromchat.api.local.db.store.MessageRepository
@@ -91,6 +92,11 @@ class DmPanel(
                 updateState { it.copy(typingUsers = users) }
             }
         }
+        coroutineScope.launch {
+            ProfileCache.revision.collect {
+                applyCachedPeerProfileOrReset()
+            }
+        }
         coroutineScope.launch(Dispatchers.Default) {
             AttachmentDownloadNotifier.progressFlow.collect { event ->
                 if (event !is AttachmentDownloadProgress.Success || event.messageId <= 0) return@collect
@@ -128,7 +134,8 @@ class DmPanel(
                     }
                     return@launch
                 }
-                ProfileCache.put(profile)
+                ProfileCache.applyServerProfile(profile, force = false)
+                UserStatusStore.update(profile.id, profile.online, profile.lastSeen)
                 val displayName = profile.displayNameText(ApiClient.user?.id)
                 if (displayName.isNotBlank()) {
                     withContext(Dispatchers.Main) {
@@ -152,6 +159,7 @@ class DmPanel(
         scope.launch(Dispatchers.Default) {
             val cached = ProfileCache.get(otherUserId)
             val displayName = cached?.displayNameText(ApiClient.user?.id).orEmpty()
+            cached?.let { UserStatusStore.update(it.id, it.online, it.lastSeen) }
             withContext(Dispatchers.Main) {
                 if (displayName.isNotBlank()) {
                     applyPeerTitle(displayName, cached?.profilePicture)

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/chats/ChatsSearchScreen.kt

@@ -59,6 +59,7 @@ import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.stringResource
 import ru.fromchat.Res
 import ru.fromchat.api.ApiClient
+import ru.fromchat.api.StatusSubscriptionCoordinator
 import ru.fromchat.api.local.db.store.CachedConversation
 import ru.fromchat.api.local.db.store.MessageCacheStore
 import ru.fromchat.api.local.db.store.MessageRepository
@@ -208,10 +209,14 @@ fun ChatsSearchScreen(
                 val toUnsubscribe = subscribedDmUserIds - visibleIds
 
                 toSubscribe.forEach { userId ->
-                    runCatching { ApiClient.sendSubscribeStatus(userId) }
+                    statusSubscriptionScope.launch {
+                        StatusSubscriptionCoordinator.acquire(userId)
+                    }
                 }
                 toUnsubscribe.forEach { userId ->
-                    runCatching { ApiClient.sendUnsubscribeStatus(userId) }
+                    statusSubscriptionScope.launch {
+                        StatusSubscriptionCoordinator.release(userId)
+                    }
                 }
                 subscribedDmUserIds = visibleIds
             }
@@ -222,7 +227,7 @@ fun ChatsSearchScreen(
             hideIme()
             if (subscribedDmUserIds.isNotEmpty()) {
                 statusSubscriptionScope.launch {
-                    subscribedDmUserIds.forEach { ApiClient.sendUnsubscribeStatus(it) }
+                    subscribedDmUserIds.forEach { StatusSubscriptionCoordinator.release(it) }
                 }
             }
             subscribedDmUserIds = emptySet()

app/shared/src/commonMain/kotlin/ru/fromchat/ui/main/chats/ChatsTab.kt

@@ -109,6 +109,7 @@ import ru.fromchat.action_delete
 import ru.fromchat.action_mark_read
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.ChatListSync
+import ru.fromchat.api.StatusSubscriptionCoordinator
 import ru.fromchat.api.calls.CallStore
 import ru.fromchat.api.local.WebSocketManager
 import ru.fromchat.api.local.cache.CacheContext
@@ -715,12 +716,16 @@ fun ChatsTab(
             .collect { visibleIds ->
                 if (connectionStatus == ConnectionStatus.CONNECTED) {
                     visibleIds.forEach { userId ->
-                        runCatching { ApiClient.sendSubscribeStatus(userId) }
+                        statusSubscriptionScope.launch {
+                            StatusSubscriptionCoordinator.acquire(userId)
+                        }
                     }
                 }
 
                 (subscribedDmUserIds - visibleIds).forEach { userId ->
-                    runCatching { ApiClient.sendUnsubscribeStatus(userId) }
+                    statusSubscriptionScope.launch {
+                        StatusSubscriptionCoordinator.release(userId)
+                    }
                 }
 
                 subscribedDmUserIds = visibleIds
@@ -731,7 +736,7 @@ fun ChatsTab(
         onDispose {
             if (subscribedDmUserIds.isNotEmpty()) {
                 statusSubscriptionScope.launch {
-                    subscribedDmUserIds.forEach { ApiClient.sendUnsubscribeStatus(it) }
+                    subscribedDmUserIds.forEach { StatusSubscriptionCoordinator.release(it) }
                 }
             }
             subscribedDmUserIds = emptySet()

app/shared/src/commonMain/kotlin/ru/fromchat/ui/profile/EditProfileScreen.kt

@@ -298,7 +298,8 @@ fun EditProfileScreen(
                         lastSeen = ApiClient.user?.last_seen,
                         createdAt = existing?.createdAt,
                     )
-                    ProfileCache.put(updatedProfile)
+                    ProfileCache.applyServerProfile(updatedProfile, force = true)
+                    ApiClient.applyOwnProfile(updatedProfile)
                 }
 
                 showSnack(savedMessage)

app/shared/src/commonMain/kotlin/ru/fromchat/ui/profile/ProfileScreen.kt

@@ -88,6 +88,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.key
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
@@ -124,8 +125,11 @@ import ru.fromchat.Res
 import ru.fromchat.action_copy
 import ru.fromchat.action_edit
 import ru.fromchat.api.ApiClient
+import ru.fromchat.api.StatusSubscriptionCoordinator
 import ru.fromchat.api.PublicChatProfileSync
 import ru.fromchat.api.local.WebSocketManager
+import ru.fromchat.api.local.db.store.ConnectionStateStore
+import ru.fromchat.api.local.db.store.ConnectionStatus
 import ru.fromchat.api.calls.CallStore
 import ru.fromchat.api.local.db.store.ProfileCache
 import ru.fromchat.api.local.db.store.UserStatus
@@ -207,6 +211,17 @@ private fun hasDisplayableProfile(
             profile.username.isNotBlank()
         ))
 
+/** Live profile row for [userId]; recomposes when [ProfileCache] updates (e.g. WS bio change). */
+@Composable
+private fun rememberLiveProfile(userId: Int?): UserProfile? {
+    if (userId == null || userId <= 0) return null
+    val flow = remember(userId) { ProfileCache.observeUser(userId) }
+    return flow
+        .collectAsState(initial = ProfileCache.get(userId))
+        .value
+        ?.takeUnless { it.isClientPreviewOnly }
+}
+
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun ProfileScreen(
@@ -253,6 +268,7 @@ fun ProfileScreen(
     val targetUsername = username?.trim()?.takeIf { it.isNotBlank() }
     val ownUserId = ApiClient.user?.id?.takeIf { it > 0 }
 
+    LaunchedEffect(targetUserId, initialDisplayName, initialProfilePictureUrl) {
         targetUserId?.let { id ->
             ProfileCache.mergePreview(
                 id = id,
@@ -260,6 +276,7 @@ fun ProfileScreen(
                 profilePicture = initialProfilePictureUrl?.takeIf { it.isNotBlank() },
             )
         }
+    }
 
     val cacheLookupId = when {
         targetUserId != null -> targetUserId
@@ -297,17 +314,27 @@ fun ProfileScreen(
     }
 
     val latestUi by rememberUpdatedState(state)
-    val profileCacheRevision by ProfileCache.revision.collectAsState()
+    val connectionStatus by ConnectionStateStore.status.collectAsState()
+    val displayUserId = targetUserId
+        ?: state.profile?.id
+        ?: ownUserId?.takeIf { targetUsername == null }
+    val liveProfile = rememberLiveProfile(displayUserId)
+    val subscribedUserId = displayUserId
     val isViewingOwnProfile = ownUserId != null && (
         (targetUserId == null && targetUsername == null) || targetUserId == ownUserId
         )
 
-    LaunchedEffect(profileCacheRevision) {
+    LaunchedEffect(subscribedUserId, connectionStatus) {
-        if (!isViewingOwnProfile) return@LaunchedEffect
+        val userId = subscribedUserId ?: return@LaunchedEffect
-        ownUserId?.let { ProfileCache.get(it) }?.let { cached ->
+        if (userId <= 0) return@LaunchedEffect
-            if (hasDisplayableProfile(cached, initialDisplayName, ownUserId)) {
+        if (connectionStatus == ConnectionStatus.CONNECTED) {
-                state = latestUi.copy(profile = cached, isLoading = false, error = null)
+            Logger.d("ProfileScreen", "subscribeStatus userId=$userId")
+            StatusSubscriptionCoordinator.acquire(userId)
         }
+        try {
+            awaitCancellation()
+        } finally {
+            StatusSubscriptionCoordinator.release(userId)
         }
     }
 
@@ -320,7 +347,7 @@ fun ProfileScreen(
             if (!isViewingOwnProfile) return@collect
             try {
                 val refreshed = ApiClient.getOwnProfile()
-                ProfileCache.put(refreshed)
+                ProfileCache.applyServerProfile(refreshed, force = true)
                 ApiClient.applyOwnProfile(refreshed)
                 state = latestUi.copy(profile = refreshed, error = null)
             } catch (_: Exception) {
@@ -332,7 +359,6 @@ fun ProfileScreen(
     }
 
     LaunchedEffect(lookupMode, lookupIdentifier) {
-        ProfileCache.hydrateFromDisk()
         resolveCachedProfile(targetUserId, targetUsername, ownUserId)?.let { cached ->
             if (hasDisplayableProfile(cached, initialDisplayName, ownUserId)) {
                 state = latestUi.copy(profile = cached, isLoading = false, error = null)
@@ -377,15 +403,18 @@ fun ProfileScreen(
                         "ProfileScreen",
                         "load success: mode=$lookupMode identifier=$lookupIdentifier -> " +
                             "id=${profile.id}, username='${profile.username}', " +
-                            "display='${profile.displayName}', deleted=${profile.deleted}, " +
+                            "display='${profile.displayName}', bio='${profile.bio?.take(32)}', " +
+                            "deleted=${profile.deleted}, " +
                             "suspended=${profile.suspended}"
                     )
 
-                    ProfileCache.put(profile)
+                    val normalized = profile.copy(isClientPreviewOnly = false)
+                    ProfileCache.applyServerProfile(normalized, force = false)
+                    val displayProfile = ProfileCache.get(profile.id) ?: normalized
+                    state = latestUi.copy(profile = displayProfile, isLoading = false, error = null)
                     if (isViewingOwnProfile) {
-                        ApiClient.applyOwnProfile(profile)
+                        ApiClient.applyOwnProfile(displayProfile)
                     }
-                    state = latestUi.copy(profile = profile, isLoading = false, error = null)
                     loadedSuccessfully = true
                     true
                 }
@@ -474,7 +503,18 @@ fun ProfileScreen(
     val verifiedSupport = stringResource(Res.string.profile_verified_support)
     val verifyPromptSupport = stringResource(Res.string.profile_verify_prompt_support)
 
-    val profile = state.profile ?: resolveCachedProfile(targetUserId, targetUsername, ownUserId)
+    val profile = liveProfile
+        ?: state.profile
+        ?: resolveCachedProfile(targetUserId, targetUsername, ownUserId)
+
+    LaunchedEffect(displayUserId, liveProfile?.bio, state.profile?.bio) {
+        Logger.d(
+            "ProfileScreen",
+            "profile bio displayUserId=$displayUserId live='${liveProfile?.bio?.take(48)}' " +
+                "state='${state.profile?.bio?.take(48)}' shown='${profile?.bio?.take(48)}'",
+        )
+    }
+
     if (hasDisplayableProfile(profile, initialDisplayName, ownUserId)) {
         hasShownContent.value = true
     }
@@ -1405,12 +1445,13 @@ private fun ProfileLoadedBody(
                 if (showDetailsBio) {
                     val position = listItemPositionInGroup(detailIndex, detailCount)
                     detailIndex++
+                    val bioContent = resolvedProfile.bio.orEmpty()
                     ListItem(
                         headline = headlineBio,
                         supportingSlot = {
-                            ProfileBioMarkdown(
+                            key(resolvedProfile.id, bioContent) {
-                                content = resolvedProfile.bio.orEmpty(),
+                                ProfileBioMarkdown(content = bioContent)
-                            )
+                            }
                         },
                         divider = true,
                         position = position,