key storage implementation

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/Main.kt

@@ -85,7 +85,6 @@ import com.vitorpamplona.amethyst.desktop.ui.FeedScreen
 import com.vitorpamplona.amethyst.desktop.ui.LoginScreen
 import com.vitorpamplona.amethyst.desktop.ui.NotificationsScreen
 import com.vitorpamplona.amethyst.desktop.ui.UserProfileScreen
-import com.vitorpamplona.quartz.nip01Core.crypto.SecureKeyStorage
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
@@ -213,14 +212,14 @@ fun App(
 ) {
     var currentScreen by remember { mutableStateOf<DesktopScreen>(DesktopScreen.Feed) }
     val relayManager = remember { DesktopRelayConnectionManager() }
-    val secureStorage = remember { SecureKeyStorage() }
-    val accountManager = remember { AccountManager(secureStorage) }
+    val accountManager = remember { AccountManager.create() }
     val accountState by accountManager.accountState.collectAsState()
     val scope = remember { CoroutineScope(SupervisorJob() + Dispatchers.Main) }
 
     // Try to load saved account on startup
     DisposableEffect(Unit) {
-        scope.launch {
+        scope.launch(Dispatchers.IO) {
+            // Load account on IO dispatcher to avoid blocking UI with password prompt (readLine)
             accountManager.loadSavedAccount()
         }
 

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/LoginScreen.kt

@@ -41,6 +41,7 @@ import com.vitorpamplona.amethyst.commons.account.AccountManager
 import com.vitorpamplona.amethyst.commons.account.AccountState
 import com.vitorpamplona.amethyst.commons.ui.auth.LoginCard
 import com.vitorpamplona.amethyst.commons.ui.auth.NewKeyWarningCard
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
 @Composable
@@ -76,8 +77,8 @@ fun LoginScreen(
         LoginCard(
             onLogin = { keyInput ->
                 accountManager.loginWithKey(keyInput).map {
-                    // Save account to secure storage
-                    scope.launch {
+                    // Save account to secure storage (use IO dispatcher to avoid blocking UI)
+                    scope.launch(Dispatchers.IO) {
                         accountManager.saveCurrentAccount()
                         onLoginSuccess()
                     }
@@ -96,8 +97,8 @@ fun LoginScreen(
                 nsec = generatedAccount!!.nsec,
                 onContinue = {
                     showNewKeyDialog = false
-                    // Save generated account
-                    scope.launch {
+                    // Save generated account (use IO dispatcher to avoid blocking UI)
+                    scope.launch(Dispatchers.IO) {
                         accountManager.saveCurrentAccount()
                         onLoginSuccess()
                     }