Harden voice recording initialization (#698)

app/MindWork AI Studio/Tools/AudioRecordingResult.cs

@@ -0,0 +1,8 @@
+namespace AIStudio.Tools;
+
+public sealed class AudioRecordingResult
+{
+    public string MimeType { get; init; } = string.Empty;
+
+    public bool ChangedMimeType { get; init; }
+}

app/MindWork AI Studio/Tools/Event.cs

@@ -17,6 +17,7 @@ public enum Event
     SHOW_SUCCESS,
     TAURI_EVENT_RECEIVED,
     RUST_SERVICE_UNAVAILABLE,
+    VOICE_RECORDING_AVAILABILITY_CHANGED,
     
     // Update events:
     USER_SEARCH_FOR_UPDATE,

app/MindWork AI Studio/Tools/Services/GlobalShortcutService.cs

@@ -15,6 +15,7 @@ public sealed class GlobalShortcutService : BackgroundService, IMessageBusReceiv
         CONFIGURATION_CHANGED,
         STARTUP_COMPLETED,
         PLUGINS_RELOADED,
+        VOICE_RECORDING_AVAILABILITY_CHANGED,
     }
 
     private readonly SemaphoreSlim registrationSemaphore = new(1, 1);
@@ -22,20 +23,23 @@ public sealed class GlobalShortcutService : BackgroundService, IMessageBusReceiv
     private readonly SettingsManager settingsManager;
     private readonly MessageBus messageBus;
     private readonly RustService rustService;
+    private readonly VoiceRecordingAvailabilityService voiceRecordingAvailabilityService;
 
     public GlobalShortcutService(
         ILogger<GlobalShortcutService> logger,
         SettingsManager settingsManager,
         MessageBus messageBus,
-        RustService rustService)
+        RustService rustService,
+        VoiceRecordingAvailabilityService voiceRecordingAvailabilityService)
     {
         this.logger = logger;
         this.settingsManager = settingsManager;
         this.messageBus = messageBus;
         this.rustService = rustService;
+        this.voiceRecordingAvailabilityService = voiceRecordingAvailabilityService;
 
         this.messageBus.RegisterComponent(this);
-        this.ApplyFilters([], [Event.CONFIGURATION_CHANGED, Event.PLUGINS_RELOADED, Event.STARTUP_COMPLETED]);
+        this.ApplyFilters([], [Event.CONFIGURATION_CHANGED, Event.PLUGINS_RELOADED, Event.STARTUP_COMPLETED, Event.VOICE_RECORDING_AVAILABILITY_CHANGED]);
     }
 
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
@@ -75,6 +79,13 @@ public sealed class GlobalShortcutService : BackgroundService, IMessageBusReceiv
 
                 await this.RegisterAllShortcuts(ShortcutSyncSource.PLUGINS_RELOADED);
                 break;
+
+            case Event.VOICE_RECORDING_AVAILABILITY_CHANGED:
+                if (!IS_STARTUP_COMPLETED)
+                    return;
+
+                await this.RegisterAllShortcuts(ShortcutSyncSource.VOICE_RECORDING_AVAILABILITY_CHANGED);
+                break;
         }
     }
 
@@ -152,8 +163,9 @@ public sealed class GlobalShortcutService : BackgroundService, IMessageBusReceiv
     private bool IsShortcutAllowed(Shortcut name) => name switch
     {
         // Voice recording is a preview feature:
-        Shortcut.VOICE_RECORDING_TOGGLE => PreviewFeatures.PRE_SPEECH_TO_TEXT_2026.IsEnabled(this.settingsManager),
-        
+        Shortcut.VOICE_RECORDING_TOGGLE => PreviewFeatures.PRE_SPEECH_TO_TEXT_2026.IsEnabled(this.settingsManager)
+                                             && this.voiceRecordingAvailabilityService.IsAvailable,
+
         // Other shortcuts are always allowed:
         _ => true,
     };

app/MindWork AI Studio/Tools/Services/VoiceRecordingAvailabilityService.cs

@@ -0,0 +1,23 @@
+namespace AIStudio.Tools.Services;
+
+public sealed class VoiceRecordingAvailabilityService
+{
+    private readonly Lock stateLock = new();
+
+    public bool IsAvailable { get; private set; } = true;
+
+    public string? DisableReason { get; private set; }
+
+    public bool TryDisable(string reason)
+    {
+        lock (this.stateLock)
+        {
+            if (!this.IsAvailable)
+                return false;
+
+            this.IsAvailable = false;
+            this.DisableReason = reason;
+            return true;
+        }
+    }
+}

app/MindWork AI Studio/Tools/SoundEffectsInitializationResult.cs

@@ -0,0 +1,10 @@
+namespace AIStudio.Tools;
+
+public sealed class SoundEffectsInitializationResult
+{
+    public bool Success { get; init; }
+
+    public string[] FailedPaths { get; init; } = [];
+
+    public string? ErrorMessage { get; init; }
+}