Fix auth issues

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

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

@@ -1406,7 +1406,11 @@ object ApiClient {
     }
 
     suspend fun logout() {
-        runCatching { http.get("${ServerConfig.apiBaseUrl}/logout") }
+        runCatching {
+            http.get("${ServerConfig.apiBaseUrl}/logout")
+        }.onFailure { e ->
+            ru.fromchat.Logger.e("ApiClient", "Server logout failed", e)
+        }
         runCatching { unregisterFcmTokenFromServer() }
         clearLocalSession()
     }

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

@@ -165,7 +165,7 @@ object ProfileCache {
                     ?: existing?.profilePicture,
                 bio = existing?.bio,
                 online = user.online,
-                lastSeen = user.last_seen.takeIf { it.isNotBlank() } ?: existing?.lastSeen,
+                lastSeen = user.last_seen?.takeIf { it.isNotBlank() } ?: existing?.lastSeen,
                 createdAt = user.created_at.takeIf { it.isNotBlank() } ?: existing?.createdAt,
                 verified = user.verified ?: existing?.verified,
                 verificationStatus = user.verificationStatus ?: existing?.verificationStatus,

app/shared/src/commonMain/kotlin/ru/fromchat/api/schema/user/User.kt

@@ -8,7 +8,7 @@ import ru.fromchat.api.schema.user.profile.VerificationStatus
 data class User(
     val id: Int,
     val created_at: String,
-    val last_seen: String,
+    val last_seen: String? = null,
     val online: Boolean,
     val username: String,
     @SerialName("display_name") val displayName: String? = null,

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

@@ -12,7 +12,9 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.safeDrawing
 import androidx.compose.foundation.layout.size
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Info
 import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material.icons.outlined.BugReport
 import androidx.compose.material3.DropdownMenu
 import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.Icon
@@ -68,10 +70,8 @@ fun WelcomeScreen(
                 .fillMaxSize()
                 .padding(innerPadding),
         ) {
-            IconButton(
+            Box(modifier = Modifier.align(Alignment.TopEnd)) {
-                onClick = { menuExpanded = true },
+                IconButton(onClick = { menuExpanded = true }) {
-                modifier = Modifier.align(Alignment.TopEnd),
-            ) {
                     Icon(
                         imageVector = Icons.Default.MoreVert,
                         contentDescription = stringResource(Res.string.more),
@@ -83,6 +83,9 @@ fun WelcomeScreen(
                 ) {
                     DropdownMenuItem(
                         text = { Text(stringResource(Res.string.about)) },
+                        leadingIcon = {
+                            Icon(Icons.Default.Info, contentDescription = null)
+                        },
                         onClick = {
                             menuExpanded = false
                             navController.navigate(SettingsRoutes.About)
@@ -90,12 +93,16 @@ fun WelcomeScreen(
                     )
                     DropdownMenuItem(
                         text = { Text(stringResource(Res.string.logs_title)) },
+                        leadingIcon = {
+                            Icon(Icons.Outlined.BugReport, contentDescription = null)
+                        },
                         onClick = {
                             menuExpanded = false
                             navController.navigate(SettingsRoutes.Logs)
                         },
                     )
                 }
+            }
 
             Column(
                 modifier = Modifier

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/AuthScreen.kt

@@ -3,7 +3,6 @@ package ru.fromchat.ui.auth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Storage
-import androidx.compose.material3.SnackbarDuration
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -40,7 +39,7 @@ import ru.fromchat.ui.components.ExpressiveStepFlowScaffold
 import ru.fromchat.ui.components.Text
 import ru.fromchat.ui.components.TextCta
 import ru.fromchat.ui.components.rememberExpressiveStepFlow
-import ru.fromchat.ui.components.showReplacingSnackbar
+import ru.fromchat.ui.components.showLoggedSnackbar
 import ru.fromchat.ui.main.settings.SettingsStepHorizontalPadding
 import kotlin.time.Duration.Companion.milliseconds
 
@@ -56,13 +55,13 @@ internal sealed interface PasswordStepResult {
     data object AdvanceToRegister : PasswordStepResult
     data class WrongPassword(val message: String) : PasswordStepResult
     data class RateLimited(val message: String) : PasswordStepResult
-    data class Error(val message: String) : PasswordStepResult
+    data class Error(val message: String, val cause: Throwable? = null) : PasswordStepResult
 }
 
 internal sealed interface RegisterResult {
     data object Success : RegisterResult
     data object UsernameTaken : RegisterResult
-    data class Error(val message: String) : RegisterResult
+    data class Error(val message: String, val cause: Throwable? = null) : RegisterResult
 }
 
 private const val AUTH_SERVER_PROBE_TIMEOUT_MS = 5_000L
@@ -150,8 +149,8 @@ private suspend fun login(
 
         else -> PasswordStepResult.Error(parseClientError(e, unexpectedError))
     }
-} catch (_: Exception) {
+} catch (e: Exception) {
-    PasswordStepResult.Error(unexpectedError)
+    PasswordStepResult.Error(unexpectedError, e)
 }
 
 internal suspend fun register(
@@ -186,8 +185,8 @@ internal suspend fun register(
     } else {
         RegisterResult.Error(parseClientError(e, unexpectedError))
     }
-} catch (_: Exception) {
+} catch (e: Exception) {
-    RegisterResult.Error(unexpectedError)
+    RegisterResult.Error(unexpectedError, e)
 }
 
 private suspend fun isUsernameTakenError(e: ClientRequestException) =
@@ -232,15 +231,14 @@ fun AuthScreen(
     var displayName by remember { mutableStateOf("") }
     var bio by remember { mutableStateOf("") }
 
-    fun snackbar(text: String) {
+    fun snackbar(text: String, cause: Throwable? = null) {
-        scope.launch {
+        scope.showLoggedSnackbar(
-            snackbarHostState.showReplacingSnackbar(
+            hostState = snackbarHostState,
             message = text,
-                withDismissAction = false,
+            logTag = "Auth",
-                duration = SnackbarDuration.Short,
+            cause = cause,
         )
     }
-    }
 
     val resetToUsername: () -> Unit = {
         username = ""

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/PasswordStep.kt

@@ -54,7 +54,7 @@ internal fun passwordStepPage(
     onPasswordChange: (String) -> Unit,
     onLoginSuccess: () -> Unit,
     onRegister: suspend () -> Unit,
-    onSnackbar: (String) -> Unit,
+    onSnackbar: (String, Throwable?) -> Unit,
 ): ExpressiveStepPage {
     val scope = rememberCoroutineScope()
     var busy by remember { mutableStateOf(false) }
@@ -112,7 +112,7 @@ internal fun passwordStepPage(
                     if (busy) return@ActionButton
 
                     if (password.length !in 5..50) {
-                        onSnackbar(pwdLen)
+                        onSnackbar(pwdLen, null)
                         return@ActionButton
                     }
 
@@ -138,15 +138,15 @@ internal fun passwordStepPage(
                                 }
 
                                 is PasswordStepResult.WrongPassword -> {
-                                    onSnackbar(result.message)
+                                    onSnackbar(result.message, null)
                                 }
 
                                 is PasswordStepResult.RateLimited -> {
-                                    onSnackbar(result.message)
+                                    onSnackbar(result.message, null)
                                 }
 
                                 is PasswordStepResult.Error -> {
-                                    onSnackbar(result.message)
+                                    onSnackbar(result.message, result.cause)
                                 }
                             }
                         } finally {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/UsernameStep.kt

@@ -45,7 +45,7 @@ internal fun usernameStepPage(
     username: String,
     onUsernameChange: (String) -> Unit,
     onContinue: suspend () -> Unit,
-    onSnackbar: (String) -> Unit,
+    onSnackbar: (String, Throwable?) -> Unit,
 ): ExpressiveStepPage {
     val scope = rememberCoroutineScope()
     val colorScheme = MaterialTheme.colorScheme
@@ -95,11 +95,11 @@ internal fun usernameStepPage(
                     if (busy) return@ActionButton
                     val trimmed = username.trim()
                     if (trimmed.isBlank()) {
-                        onSnackbar(fillAll)
+                        onSnackbar(fillAll, null)
                         return@ActionButton
                     }
                     if (trimmed.length !in 3..20) {
-                        onSnackbar(usernameLenError)
+                        onSnackbar(usernameLenError, null)
                         return@ActionButton
                     }
                     onUsernameChange(trimmed)
@@ -107,7 +107,7 @@ internal fun usernameStepPage(
                         busy = true
                         try {
                             if (!probeCurrentServer()) {
-                                onSnackbar(serverFail)
+                                onSnackbar(serverFail, null)
                             } else {
                                 onContinue()
                             }

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/register/ConfirmPasswordStep.kt

@@ -50,7 +50,7 @@ internal fun confirmPasswordStepPage(
     onConfirmPasswordChange: (String) -> Unit,
     password: String,
     onContinue: suspend () -> Unit,
-    onSnackbar: (String) -> Unit,
+    onSnackbar: (String, Throwable?) -> Unit,
 ): ExpressiveStepPage {
     val scope = rememberCoroutineScope()
     val colorScheme = MaterialTheme.colorScheme
@@ -102,12 +102,12 @@ internal fun confirmPasswordStepPage(
             ActionButton(
                 onClick = {
                     if (confirmPassword.isBlank()) {
-                        onSnackbar(fillAll)
+                        onSnackbar(fillAll, null)
                         return@ActionButton
                     }
 
                     if (confirmPassword != password) {
-                        onSnackbar(pwdMatch)
+                        onSnackbar(pwdMatch, null)
                         return@ActionButton
                     }
 

app/shared/src/commonMain/kotlin/ru/fromchat/ui/auth/register/ProfileStep.kt

@@ -57,7 +57,7 @@ internal fun profileStepPage(
     password: String,
     onRegisterSuccess: () -> Unit,
     onUsernameTaken: () -> Unit,
-    onSnackbar: (String) -> Unit,
+    onSnackbar: (String, Throwable?) -> Unit,
 ): ExpressiveStepPage {
     val scope = rememberCoroutineScope()
     val fieldColors = expressiveStepFieldColors()
@@ -128,12 +128,12 @@ internal fun profileStepPage(
                     if (busy) return@ActionButton
 
                     if (displayName.isBlank() || displayName.trim().length > DISPLAY_NAME_MAX) {
-                        onSnackbar(displayNameError)
+                        onSnackbar(displayNameError, null)
                         return@ActionButton
                     }
 
                     if (bio.trim().length > BIO_MAX) {
-                        onSnackbar(unexpected)
+                        onSnackbar(unexpected, null)
                         return@ActionButton
                     }
 
@@ -155,12 +155,12 @@ internal fun profileStepPage(
                                 }
 
                                 is RegisterResult.UsernameTaken -> {
-                                    onSnackbar(usernameTaken)
+                                    onSnackbar(usernameTaken, null)
                                     onUsernameTaken()
                                 }
 
                                 is RegisterResult.Error -> {
-                                    onSnackbar(result.message)
+                                    onSnackbar(result.message, result.cause)
                                 }
                             }
                         } finally {

app/shared/src/commonMain/kotlin/ru/fromchat/ui/components/SnackbarHost.kt

@@ -10,6 +10,9 @@ import androidx.compose.material3.SnackbarResult
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Shape
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+import ru.fromchat.Logger
 
 /**
  * App-wide snackbar styling: elevated surface container instead of inverse surface.
@@ -38,6 +41,37 @@ fun FromChatSnackbarHost(
     }
 }
 
+/**
+ * Logs why a snackbar is shown, then displays it via [showReplacingSnackbar].
+ * Use this instead of calling [showReplacingSnackbar] directly when the message is an error.
+ */
+fun CoroutineScope.showLoggedSnackbar(
+    hostState: SnackbarHostState,
+    message: String,
+    logTag: String,
+    cause: Throwable? = null,
+    withDismissAction: Boolean = false,
+    duration: SnackbarDuration = SnackbarDuration.Short,
+) {
+    if (cause != null) {
+        Logger.e(
+            logTag,
+            "Snackbar: $message (${cause::class.simpleName}: ${cause.message})",
+            cause,
+        )
+    } else {
+        Logger.i(logTag, "Snackbar: $message")
+    }
+
+    launch {
+        hostState.showReplacingSnackbar(
+            message = message,
+            withDismissAction = withDismissAction,
+            duration = duration,
+        )
+    }
+}
+
 /** Dismisses any visible snackbar, then shows [message] without queueing behind it. */
 suspend fun SnackbarHostState.showReplacingSnackbar(
     message: String,