Added a pause between indexing steps for shared embedding servers (#1114)

app/MindWork AI Studio/Components/DataSourceManagement.razor

@@ -22,6 +22,11 @@
     </MudTooltip>
 </MudStack>
 
+<MudPaper Class="pa-3 mb-3 border-dashed border rounded-lg">
+    <ConfigurationSlider T="int" OptionDescription="@T("Shortest pause between indexing steps")" Min="0" Max="@this.MinimumPauseSliderMax" Step="1" Unit="@T("seconds")" Value="@(() => this.SettingsManager.ConfigurationData.App.DataSourceIndexing.MinimumPauseBetweenStepsSeconds)" ValueUpdate="@(value => this.SettingsManager.ConfigurationData.App.DataSourceIndexing.MinimumPauseBetweenStepsSeconds = value)" OptionHelp="@T("AI Studio indexes large data sources in steps of a few minutes. Between two steps, it waits for a random time between the shortest and the longest pause. This spares an embedding server which many people share, for example in your organization. Leave both at 0 seconds for no pause.")" IsLocked="@(() => IsMinimumPauseLocked)"/>
+    <ConfigurationSlider T="int" OptionDescription="@T("Longest pause between indexing steps")" Min="@this.MaximumPauseSliderMin" Max="@DataDataSourceIndexing.MAX_PAUSE_BETWEEN_STEPS_SECONDS" Step="1" Unit="@T("seconds")" Value="@(() => this.SettingsManager.ConfigurationData.App.DataSourceIndexing.MaximumPauseBetweenStepsSeconds)" ValueUpdate="@(value => this.SettingsManager.ConfigurationData.App.DataSourceIndexing.MaximumPauseBetweenStepsSeconds = value)" OptionHelp="@T("The upper end of the random pause between two indexing steps. AI Studio allows up to 300 seconds (5 minutes).")" IsLocked="@(() => IsMaximumPauseLocked)"/>
+</MudPaper>
+
 @{ var embeddingStatuses = this.DataSourceEmbeddingService.GetStatuses().ToDictionary(status => status.DataSourceId, StringComparer.OrdinalIgnoreCase); }
 <MudTable T="IDataSourceBase" Items="@this.ConfiguredDataSources" Hover="@true" Class="border-dashed border rounded-lg">
     <ColGroup>

app/MindWork AI Studio/Components/DataSourceManagement.razor.cs

@@ -5,6 +5,7 @@ using AIStudio.Tools.Databases;
 using AIStudio.Tools.ERIClient.DataModel;
 using AIStudio.Tools.PluginSystem;
 using AIStudio.Tools.Services;
+using AIStudio.Tools.Services.Indexing;
 
 using Microsoft.AspNetCore.Components;
 
@@ -39,6 +40,27 @@ public partial class DataSourceManagement : MSGComponentBase
 
     private bool AreMailboxesEnabled => PreviewFeatures.PRE_MAILBOXES_2026.IsEnabled(this.SettingsManager);
 
+    private static bool IsMinimumPauseLocked => ManagedConfiguration.TryGet(x => x.App.DataSourceIndexing, x => x.MinimumPauseBetweenStepsSeconds, out var meta) && meta.IsLocked;
+
+    private static bool IsMaximumPauseLocked => ManagedConfiguration.TryGet(x => x.App.DataSourceIndexing, x => x.MaximumPauseBetweenStepsSeconds, out var meta) && meta.IsLocked;
+
+    /// <remarks>
+    /// A slider moves a value which falls out of its range into it. A locked slider therefore keeps
+    /// the whole range, since its value belongs to the organization. A free one ends at the locked
+    /// upper bound, and the free value adjusts to it, cf. PauseRange.GetEffective.
+    /// </remarks>
+    private int MinimumPauseSliderMax => IsMaximumPauseLocked && !IsMinimumPauseLocked
+        ? PauseRange.FromSettings(this.SettingsManager.ConfigurationData.App.DataSourceIndexing).MaximumSeconds
+        : DataDataSourceIndexing.MAX_PAUSE_BETWEEN_STEPS_SECONDS;
+
+    /// <remarks>
+    /// The upper bound starts where the lower bound is, so raising the lower one above it raises the
+    /// upper one along with it. A locked slider keeps the whole range, cf. MinimumPauseSliderMax.
+    /// </remarks>
+    private int MaximumPauseSliderMin => IsMaximumPauseLocked
+        ? 0
+        : PauseRange.FromSettings(this.SettingsManager.ConfigurationData.App.DataSourceIndexing).MinimumSeconds;
+
     #region Overrides of ComponentBase
 
     protected override async Task OnInitializedAsync()