Added organization-wide management for data backup and restore

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/MindWork AI Studio/Components/Settings/SettingsPanelDataBackup.razor

@@ -81,9 +81,7 @@
                 }
                 else
                 {
-                    <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.Save" OnClick="@this.StartExportAsync" Disabled="@(this.isBusy || !this.IsAnythingSelected)">
-                        @string.Format(T("Export {0} chats"), this.SelectedChatCount)
-                    </MudButton>
+                    <LockableButton Text="@string.Format(T("Export {0} chats"), this.SelectedChatCount)" Icon="@Icons.Material.Filled.Save" OnClickAsync="@this.StartExportAsync" Disabled="@(() => this.isBusy || !this.IsAnythingSelected)" IsLocked="@(() => !this.AllowChatExport)" NoMargin="@true"/>
                 }
                 }
 
@@ -133,9 +131,7 @@
             </MudText>
 
             <MudStack Row="@true" AlignItems="@AlignItems.Center" Spacing="2" Class="mb-3">
-                <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.FolderOpen" OnClick="@this.ChooseArchiveAsync" Disabled="@this.isBusy">
-                    @T("Choose archive")
-                </MudButton>
+                <LockableButton Text="@T("Choose archive")" Icon="@Icons.Material.Filled.FolderOpen" OnClickAsync="@this.ChooseArchiveAsync" Disabled="@(() => this.isBusy)" IsLocked="@(() => !this.AllowChatImport)" NoMargin="@true"/>
                 @if (!string.IsNullOrWhiteSpace(this.selectedArchivePath))
                 {
                     <MudText Typo="Typo.body2">

app/MindWork AI Studio/Components/Settings/SettingsPanelDataBackup.razor.cs

@@ -53,7 +53,18 @@ public partial class SettingsPanelDataBackup : SettingsPanelBase
 
     private int SelectedChatCount => this.workspaceSelections.Where(selection => selection.IsSelected).Sum(selection => selection.ChatCount) + (this.includeTemporaryChats ? this.temporaryChatCount : 0);
 
-    private bool CanImport => this.importPreview is { Success: true, Manifest.TotalChatCount: > 0 };
+    private bool AllowChatExport => this.SettingsManager.ConfigurationData.App.AllowUserToExportChats;
+
+    private bool AllowChatImport => this.SettingsManager.ConfigurationData.App.AllowUserToImportChats;
+
+    /// <summary>
+    /// Whether the chosen archive can be imported now.
+    /// </summary>
+    /// <remarks>
+    /// The permission is asked here again and not only when choosing the archive: a
+    /// configuration plugin may take it away while a chosen archive waits to be imported.
+    /// </remarks>
+    private bool CanImport => this.importPreview is { Success: true, Manifest.TotalChatCount: > 0 } && this.AllowChatImport;
 
     private double ProgressPercentage => this.progress.TotalChats is 0 ? 0d : this.progress.ProcessedChats * 100d / this.progress.TotalChats;
 
@@ -159,7 +170,7 @@ public partial class SettingsPanelDataBackup : SettingsPanelBase
 
     private async Task StartExportAsync()
     {
-        if (this.isBusy || !this.IsAnythingSelected)
+        if (this.isBusy || !this.IsAnythingSelected || !this.AllowChatExport)
             return;
 
         this.isBusy = true;
@@ -184,6 +195,9 @@ public partial class SettingsPanelDataBackup : SettingsPanelBase
             this.progress = new(0, this.SelectedChatCount);
             this.cancellationTokenSource = new();
 
+            // Show the progress and the cancel button before the first chat is written:
+            await this.InvokeAsync(this.StateHasChanged);
+
             // Compressing on the UI thread would keep the progress bar and the cancel
             // button from updating for the whole run:
             var token = this.cancellationTokenSource.Token;
@@ -199,6 +213,10 @@ public partial class SettingsPanelDataBackup : SettingsPanelBase
             this.isProcessing = false;
             this.DisposeCancellation();
             this.isBusy = false;
+
+            // The lockable button calls this as a plain function, not as an event of this
+            // component, so nothing renders the result unless we do:
+            await this.InvokeAsync(this.StateHasChanged);
         }
     }
 
@@ -243,7 +261,7 @@ public partial class SettingsPanelDataBackup : SettingsPanelBase
 
     private async Task ChooseArchiveAsync()
     {
-        if (this.isBusy)
+        if (this.isBusy || !this.AllowChatImport)
             return;
 
         this.isBusy = true;
@@ -260,6 +278,10 @@ public partial class SettingsPanelDataBackup : SettingsPanelBase
         finally
         {
             this.isBusy = false;
+
+            // The lockable button calls this as a plain function, not as an event of this
+            // component, so nothing renders the preview unless we do:
+            await this.InvokeAsync(this.StateHasChanged);
         }
     }