Fix license list loading and crash on duplicate subs.

Read admin token from DataStore before API calls, reload licenses after save, and use unique product key as LazyColumn item key.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/src/main/java/ru/mailib/ttrpg/licensemanager/ui/LicenseViewModel.kt

@@ -4,12 +4,11 @@ import android.app.Application
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
-import kotlinx.coroutines.flow.stateIn
-import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.flow.update
 import ru.mailib.ttrpg.licensemanager.data.AppSettings
 import ru.mailib.ttrpg.licensemanager.data.CreateProductKeyRequest
 import ru.mailib.ttrpg.licensemanager.data.LicenseEntry
@@ -45,8 +44,7 @@ class LicenseViewModel(application: Application) : AndroidViewModel(application)
     private val settingsRepository = SettingsRepository(application)
     private val licenseRepository = LicenseRepository(settingsRepository)
 
-    val settings: StateFlow<AppSettings> = settingsRepository.settings
-        .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5_000), AppSettings())
+    private suspend fun currentSettings(): AppSettings = settingsRepository.settings.first()
 
     private val _listState = MutableStateFlow(LicenseListUiState())
     val listState: StateFlow<LicenseListUiState> = _listState.asStateFlow()
@@ -59,17 +57,14 @@ class LicenseViewModel(application: Application) : AndroidViewModel(application)
 
     init {
         viewModelScope.launch {
-            settings.collect { appSettings ->
-                _settingsState.update {
-                    it.copy(adminToken = appSettings.adminToken)
-                }
-            }
+            val initial = settingsRepository.settings.first()
+            _settingsState.update { it.copy(adminToken = initial.adminToken) }
         }
     }
 
     fun loadLicenses() {
         viewModelScope.launch {
-            val currentSettings = settings.value
+            val currentSettings = currentSettings()
             _listState.update { it.copy(isLoading = true, error = null) }
             licenseRepository.listLicenses(currentSettings)
                 .onSuccess { licenses ->
@@ -84,7 +79,7 @@ class LicenseViewModel(application: Application) : AndroidViewModel(application)
     fun revokeLicense(sub: String) {
         viewModelScope.launch {
             _listState.update { it.copy(revokingSub = sub, error = null) }
-            licenseRepository.revokeLicense(settings.value, sub)
+            licenseRepository.revokeLicense(currentSettings(), sub)
                 .onSuccess {
                     loadLicenses()
                     _listState.update { it.copy(revokingSub = null) }
@@ -136,7 +131,7 @@ class LicenseViewModel(application: Application) : AndroidViewModel(application)
         viewModelScope.launch {
             _generateState.update { it.copy(isSubmitting = true, error = null, createdKey = null) }
             licenseRepository.createProductKey(
-                settings.value,
+                currentSettings(),
                 CreateProductKeyRequest(
                     pid = state.pid.trim(),
                     maxDevices = maxDevices,
@@ -161,11 +156,13 @@ class LicenseViewModel(application: Application) : AndroidViewModel(application)
         }
     }
 
-    fun saveSettings() {
+    fun saveSettings(onSaved: () -> Unit = {}) {
         val draft = _settingsState.value
         viewModelScope.launch {
             settingsRepository.save(draft.adminToken)
             _settingsState.update { it.copy(savedMessage = "Сохранено") }
+            loadLicenses()
+            onSaved()
         }
     }
 }

app/src/main/java/ru/mailib/ttrpg/licensemanager/ui/screens/LicenseListScreen.kt

@@ -113,7 +113,7 @@ fun LicenseListScreen(viewModel: LicenseViewModel) {
                             ErrorMessage(message = state.error ?: "")
                         }
                     }
-                    items(state.licenses, key = { it.sub }) { license ->
+                    items(state.licenses, key = { it.key }) { license ->
                         LicenseCard(
                             license = license,
                             isRevoking = state.revokingSub == license.sub,

app/src/main/java/ru/mailib/ttrpg/licensemanager/ui/screens/SettingsScreen.kt

@@ -64,10 +64,7 @@ fun SettingsScreen(viewModel: LicenseViewModel, onBack: () -> Unit) {
         }
 
         Button(
-            onClick = {
-                viewModel.saveSettings()
-                onBack()
-            },
+            onClick = { viewModel.saveSettings(onSaved = onBack) },
             modifier = Modifier.fillMaxWidth(),
         ) {
             Text("Сохранить")