refactor(desktop, core): Onboarding zu DeviceInitialization umbenannt, Navigation und Screens angepasst

Signed-off-by: Stefan Mogeritsch <stefan.mo.co@gmail.com>

frontend/core/auth/src/commonMain/kotlin/at/mocode/frontend/core/auth/di/AuthModule.kt

@@ -3,8 +3,8 @@ package at.mocode.frontend.core.auth.di
 import at.mocode.frontend.core.auth.data.AuthApiClient
 import at.mocode.frontend.core.auth.data.AuthTokenManager
 import at.mocode.frontend.core.auth.presentation.LoginViewModel
-import at.mocode.frontend.core.network.TokenProvider
 import at.mocode.frontend.core.domain.AppConstants
+import at.mocode.frontend.core.network.TokenProvider
 import org.koin.core.qualifier.named
 import org.koin.dsl.module
 
@@ -24,7 +24,7 @@ val authModule = module {
   }
 
   // LoginViewModel
-  factory { LoginViewModel(get(), get(), get(named("apiClient"))) }
+  factory { LoginViewModel(get(), get()) }
 
   // Brücke zum TokenProvider des Kernnetzwerks, ohne dort eine harte Abhängigkeit hinzuzufügen
   single<TokenProvider> {

frontend/core/auth/src/commonMain/kotlin/at/mocode/frontend/core/auth/presentation/AuthStatusCard.kt

@@ -0,0 +1,99 @@
+package at.mocode.frontend.core.auth.presentation
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.Login
+import androidx.compose.material.icons.automirrored.filled.Logout
+import androidx.compose.material.icons.filled.AccountCircle
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import at.mocode.frontend.core.designsystem.components.MsCard
+
+/**
+ * Eine Plug-and-Play Komponente zur Anzeige des aktuellen Authentifizierungs-Status.
+ * Kann überall (Sidebar, Header, Screens) eingesetzt werden.
+ */
+@Composable
+fun AuthStatusCard(
+  viewModel: LoginViewModel,
+  modifier: Modifier = Modifier,
+  onLoginClick: () -> Unit = {}
+) {
+  val authState by viewModel.authState.collectAsState()
+  val uiState by viewModel.uiState.collectAsState()
+
+  MsCard(modifier = modifier.fillMaxWidth()) {
+    Row(
+      modifier = Modifier.fillMaxWidth(),
+      verticalAlignment = Alignment.CenterVertically,
+      horizontalArrangement = Arrangement.SpaceBetween
+    ) {
+      Row(verticalAlignment = Alignment.CenterVertically) {
+        Icon(
+          imageVector = Icons.Default.AccountCircle,
+          contentDescription = null,
+          tint = if (authState.isAuthenticated) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.outline,
+          modifier = Modifier.size(32.dp)
+        )
+        Spacer(Modifier.width(12.dp))
+        Column {
+          Text(
+            text = if (authState.isAuthenticated) "Angemeldet als" else "Nicht angemeldet",
+            style = MaterialTheme.typography.labelSmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+          )
+          Text(
+            text = if (authState.isAuthenticated) (authState.username ?: "Unbekannt") else "Gast",
+            style = MaterialTheme.typography.bodyLarge,
+            fontWeight = FontWeight.Bold
+          )
+        }
+      }
+
+      if (authState.isAuthenticated) {
+        Button(
+          onClick = { viewModel.logout() },
+          colors = ButtonDefaults.buttonColors(
+            containerColor = MaterialTheme.colorScheme.errorContainer,
+            contentColor = MaterialTheme.colorScheme.onErrorContainer
+          )
+        ) {
+          Icon(Icons.AutoMirrored.Filled.Logout, contentDescription = null, modifier = Modifier.size(18.dp))
+          Spacer(Modifier.width(8.dp))
+          Text("Abmelden")
+        }
+      } else {
+        Button(
+          onClick = onLoginClick,
+          enabled = !uiState.isOidcLoading
+        ) {
+          if (uiState.isOidcLoading) {
+            CircularProgressIndicator(modifier = Modifier.size(18.dp), strokeWidth = 2.dp)
+          } else {
+            Icon(Icons.AutoMirrored.Filled.Login, contentDescription = null, modifier = Modifier.size(18.dp))
+            Spacer(Modifier.width(8.dp))
+            Text("Anmelden")
+          }
+        }
+      }
+    }
+
+    if (authState.isAuthenticated && authState.roles.isNotEmpty()) {
+      Spacer(Modifier.height(8.dp))
+      Row(horizontalArrangement = Arrangement.spacedBy(4.dp)) {
+        authState.roles.forEach { role ->
+          SuggestionChip(
+            onClick = {},
+            label = { Text(role, style = MaterialTheme.typography.labelSmall) }
+          )
+        }
+      }
+    }
+  }
+}

frontend/core/auth/src/commonMain/kotlin/at/mocode/frontend/core/auth/presentation/LoginViewModel.kt

@@ -4,7 +4,6 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import at.mocode.frontend.core.auth.data.*
 import at.mocode.frontend.core.domain.AppConstants
-import io.ktor.client.*
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -34,13 +33,15 @@ data class LoginUiState(
  */
 class LoginViewModel(
   private val authTokenManager: AuthTokenManager,
-  private val authApiClient: AuthApiClient,
-  private val apiClient: HttpClient
+  private val authApiClient: AuthApiClient
 ) : ViewModel() {
 
   private val _uiState = MutableStateFlow(LoginUiState())
   val uiState: StateFlow<LoginUiState> = _uiState.asStateFlow()
 
+  private val _authState = MutableStateFlow(AuthState())
+  val authState: StateFlow<AuthState> = _authState.asStateFlow()
+
   // PKCE-State für den laufenden OIDC-Flow (in-memory)
   private var pendingCodeVerifier: String? = null
   private var pendingState: String? = null
@@ -48,9 +49,10 @@ class LoginViewModel(
   init {
     // AuthTokenManager-State beobachten → UI synchron halten
     viewModelScope.launch {
-      authTokenManager.authState.collect { authState ->
-        _uiState.value = _uiState.value.copy(isAuthenticated = authState.isAuthenticated)
-        if (!authState.isAuthenticated) {
+      authTokenManager.authState.collect { auth ->
+        _authState.value = auth
+        _uiState.value = _uiState.value.copy(isAuthenticated = auth.isAuthenticated)
+        if (!auth.isAuthenticated) {
           _uiState.value = LoginUiState()
         }
       }
@@ -223,4 +225,11 @@ class LoginViewModel(
       }
     }
   }
+
+  /** Abmelden. */
+  fun logout() {
+    viewModelScope.launch {
+      authTokenManager.clearToken()
+    }
+  }
 }