Broadcast Text pull-out (Live screen) + launch geometry 1920x1040/1366x768 with restore

ViewModels/MainViewModel.cs

@@ -84,8 +84,6 @@ public class MainViewModel : ViewModelBase
     private bool _isAboutOpen;
     private bool _isLicensesOpen;
     private string _overlayTitle = string.Empty;
-    private string _defaultStreamTitle = string.Empty;
-    private string _defaultStreamDescription = string.Empty;
     private string _bugReportText = string.Empty;
     private string _bugReportEmail = string.Empty;
     private string _featureRequestText = string.Empty;
@@ -465,6 +463,7 @@ public class MainViewModel : ViewModelBase
                 OnPropertyChanged(nameof(IsOffline));
                 OnPropertyChanged(nameof(IsLive));
                 OnPropertyChanged(nameof(IsEditMode));
+                OnPropertyChanged(nameof(IsBroadcastMetadataVisible));
                 OnPropertyChanged(nameof(RecDotBrush));
                 OnPropertyChanged(nameof(RecTextBrush));
                 OnPropertyChanged(nameof(RecDotOpacity));
@@ -1242,17 +1241,23 @@ public class MainViewModel : ViewModelBase
         private set => SetProperty(ref _overlayTitle, value);
     }
 
-    public string DefaultStreamTitle
-    {
-        get => _defaultStreamTitle;
-        set => SetProperty(ref _defaultStreamTitle, value);
-    }
+    // ─── Broadcast metadata pull-out (the "Text" tab on the Live screen) ───
 
-    public string DefaultStreamDescription
-    {
-        get => _defaultStreamDescription;
-        set => SetProperty(ref _defaultStreamDescription, value);
-    }
+    /// <summary>The broadcast id of the current/last session; null until Go Live
+    /// succeeds. Gates the pull-out's Update button (nothing remote to patch).</summary>
+    public string? CurrentBroadcastId => _currentBroadcastId;
+
+    /// <summary>The pull-out exists on the Live screen only — visible while streaming.</summary>
+    public bool IsBroadcastMetadataVisible => IsLive;
+
+    public Services.LiveBroadcastFormViewModel BroadcastForm { get; }
+
+    // Window geometry pass-through (code-behind owns the WPF specifics).
+    public (double Left, double Top, double Width, double Height, string State)? RestoreWindowState()
+        => _layoutStore.LoadWindowState();
+
+    public void PersistWindowState(double left, double top, double width, double height, string state)
+        => _layoutStore.SaveWindowState(left, top, width, height, state);
 
     // ─── Resolution quality dropdown (bottom bar) ───
     // Tiers offered to the creator before going live. First = default. The
@@ -1561,6 +1566,11 @@ public class MainViewModel : ViewModelBase
         _layoutStore = new LayoutStore(LayoutPathOverride ?? DefaultLayoutPath);
         _activeLayoutPath = _layoutStore.ActivePath;
 
+        BroadcastForm = new Services.LiveBroadcastFormViewModel(
+            () => _layoutStore,
+            () => _youtubeStream,
+            () => CurrentBroadcastId);
+
         // Restore the last picked mic so the mixer's first capture attaches to
         // the same, already-vetted device (green dot) or reports it missing
         // (yellow) instead of silently falling back to the default.
@@ -1849,6 +1859,8 @@ public class MainViewModel : ViewModelBase
             SelectedTransitionType = parsed;
         TransitionDurationMs = transDur;
 
+        BroadcastForm.Load();
+
         ScheduleSave();
         AppLog.Write("LoadLayout end");
     }
@@ -2899,8 +2911,8 @@ public class MainViewModel : ViewModelBase
     {
         var dialog = new GoLiveViewModel(() => SignInAsync(), _youtubeAuth.CurrentChannel)
         {
-            StreamTitle = DefaultStreamTitle,
-            StreamDescription = DefaultStreamDescription,
+            StreamTitle = BroadcastForm.Title,
+            StreamDescription = BroadcastForm.Description,
         };
         var window = new ytLive.GoLiveWindow(dialog) { Owner = System.Windows.Application.Current.MainWindow };
         if (window.ShowDialog() == true)
@@ -2908,6 +2920,7 @@ public class MainViewModel : ViewModelBase
             StreamTitle = dialog.StreamTitle;
             StreamDescription = dialog.StreamDescription;
             StreamVisibility = dialog.Visibility; // always "Private" (ship step 7)
+            BroadcastForm.CaptureGoLive(dialog.StreamTitle, dialog.StreamDescription, DateTime.UtcNow);
             WindowTitle = string.IsNullOrWhiteSpace(dialog.StreamTitle)
                 ? "LlamaCasty"
                 : $"{dialog.StreamTitle} — LlamaCasty";
@@ -2950,6 +2963,7 @@ public class MainViewModel : ViewModelBase
                 return;
             }
             AppLog.Write($"Broadcast created: {_currentBroadcastId}");
+            OnPropertyChanged(nameof(CurrentBroadcastId));
 
             // Start chat polling (TASK 9.4): fetch the liveChatId from the broadcast's
             // contentDetails, then start the poll loop. Chat is non-fatal — if it fails,
@@ -3048,6 +3062,7 @@ public class MainViewModel : ViewModelBase
         _audioMixer.StopLive();
         _ = _framePump.StopAsync();
         _currentBroadcastId = null;
+        OnPropertyChanged(nameof(CurrentBroadcastId));
         // Graceful end completes the session = signs out (the DPAPI token is
         // cleared so the next Start Stream requires a fresh sign-in). A crash
         // never runs this, so the token survives and the creator stays signed in.