Merge branch 'main' into chunk-data

app/MindWork AI Studio/Settings/DataModel/Data.cs

@@ -125,9 +125,9 @@ public sealed class Data
 
     public DataTextContentCleaner TextContentCleaner { get; init; } = new();
     
-    public DataAgentDataSourceSelection AgentDataSourceSelection { get; init; } = new();
+    public DataAgentDataSourceSelection AgentDataSourceSelection { get; init; } = new(x => x.AgentDataSourceSelection);
     
-    public DataAgentRetrievalContextValidation AgentRetrievalContextValidation { get; init; } = new();
+    public DataAgentRetrievalContextValidation AgentRetrievalContextValidation { get; init; } = new(x => x.AgentRetrievalContextValidation);
 
     public DataDataSourceIndexing DataSourceIndexing { get; init; } = new();
 
@@ -144,6 +144,11 @@ public sealed class Data
     public DataEMail EMail { get; init; } = new();
     
     public DataSlideBuilder SlideBuilder { get; init; } = new();
+
+    /// <summary>
+    /// Gets the managed Visual Briefing Assistant defaults.
+    /// </summary>
+    public DataVisualBriefing VisualBriefing { get; init; } = new(x => x.VisualBriefing);
     
     public DataLegalCheck LegalCheck { get; init; } = new();
     

app/MindWork AI Studio/Settings/DataModel/DataAgentDataSourceSelection.cs

@@ -1,14 +1,23 @@
+using System.Linq.Expressions;
+
 namespace AIStudio.Settings.DataModel;
 
-public sealed class DataAgentDataSourceSelection
+public sealed class DataAgentDataSourceSelection(Expression<Func<Data, DataAgentDataSourceSelection>>? configSelection = null)
 {
+    /// <summary>
+    /// The default constructor for the JSON deserializer.
+    /// </summary>
+    public DataAgentDataSourceSelection() : this(null)
+    {
+    }
+
     /// <summary>
     /// Preselect any data source selection options?
     /// </summary>
-    public bool PreselectAgentOptions { get; set; }
+    public bool PreselectAgentOptions { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectAgentOptions, false);
     
     /// <summary>
     /// Preselect a data source selection provider?
     /// </summary>
-    public string PreselectedAgentProvider { get; set; } = string.Empty;
+    public string PreselectedAgentProvider { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectedAgentProvider, string.Empty);
 }

app/MindWork AI Studio/Settings/DataModel/DataAgentRetrievalContextValidation.cs

@@ -1,24 +1,33 @@
+using System.Linq.Expressions;
+
 namespace AIStudio.Settings.DataModel;
 
-public sealed class DataAgentRetrievalContextValidation
+public sealed class DataAgentRetrievalContextValidation(Expression<Func<Data, DataAgentRetrievalContextValidation>>? configSelection = null)
 {
+    /// <summary>
+    /// The default constructor for the JSON deserializer.
+    /// </summary>
+    public DataAgentRetrievalContextValidation() : this(null)
+    {
+    }
+
     /// <summary>
     /// Enable the retrieval context validation agent?
     /// </summary>
-    public bool EnableRetrievalContextValidation { get; set; }
+    public bool EnableRetrievalContextValidation { get; set; } = ManagedConfiguration.Register(configSelection, n => n.EnableRetrievalContextValidation, false);
     
     /// <summary>
     /// Preselect any retrieval context validation options?
     /// </summary>
-    public bool PreselectAgentOptions { get; set; }
+    public bool PreselectAgentOptions { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectAgentOptions, false);
     
     /// <summary>
     /// Preselect a retrieval context validation provider?
     /// </summary>
-    public string PreselectedAgentProvider { get; set; } = string.Empty;
+    public string PreselectedAgentProvider { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectedAgentProvider, string.Empty);
 
     /// <summary>
     /// Configure how many parallel validations to run.
     /// </summary>
-    public int NumParallelValidations { get; set; } = 3;
+    public int NumParallelValidations { get; set; } = ManagedConfiguration.Register(configSelection, n => n.NumParallelValidations, 3);
 }

app/MindWork AI Studio/Settings/DataModel/DataApp.cs

@@ -67,6 +67,16 @@ public sealed class DataApp(Expression<Func<Data, DataApp>>? configSelection = n
     /// </summary>
     public bool ShowQuickStartGuide { get; set; } = ManagedConfiguration.Register(configSelection, n => n.ShowQuickStartGuide, true);
 
+    /// <summary>
+    /// Should the last changelog be visible on the home page?
+    /// </summary>
+    public bool ShowLastChangelog { get; set; } = ManagedConfiguration.Register(configSelection, n => n.ShowLastChangelog, true);
+
+    /// <summary>
+    /// Should the vision panel be visible on the home page?
+    /// </summary>
+    public bool ShowVision { get; set; } = ManagedConfiguration.Register(configSelection, n => n.ShowVision, true);
+
     /// <summary>
     /// The visibility setting for previews features.
     /// </summary>

app/MindWork AI Studio/Settings/DataModel/DataAssistantPluginAudit.cs

@@ -40,4 +40,9 @@ public sealed class DataAssistantPluginAudit(Expression<Func<Data, DataAssistant
     /// If true, the security audit will be hidden from the user and done in the background
     /// </summary>
     public bool AutomaticallyAuditAssistants { get; set; } = ManagedConfiguration.Register(configSelection, n => n.AutomaticallyAuditAssistants, false);
+
+    /// <summary>
+    /// Enterprise-managed assistant plugin hashes that are approved without requiring a user audit.
+    /// </summary>
+    public IList<DataAssistantPluginEnterpriseApproval> EnterpriseApprovedPlugins { get; set; } = ManagedConfiguration.Register(configSelection, n => n.EnterpriseApprovedPlugins, []);
 }

app/MindWork AI Studio/Settings/DataModel/DataAssistantPluginEnterpriseApproval.cs

@@ -0,0 +1,13 @@
+namespace AIStudio.Settings.DataModel;
+
+/// <summary>
+/// Enterprise-managed approval entry for an assistant plugin hash.
+/// </summary>
+public sealed class DataAssistantPluginEnterpriseApproval
+{
+    public string PluginHash { get; init; } = string.Empty;
+    public string DisplayName { get; init; } = string.Empty;
+    public string Comment { get; init; } = string.Empty;
+    public string ApprovedBy { get; init; } = string.Empty;
+    public DateTimeOffset? ApprovedAtUtc { get; init; }
+}

app/MindWork AI Studio/Settings/DataModel/DataChat.cs

@@ -29,7 +29,7 @@ public sealed class DataChat(Expression<Func<Data, DataChat>>? configSelection =
     /// <summary>
     /// Defines the data source behavior when sending assistant results to a chat.
     /// </summary>
-    public SendToChatDataSourceBehavior SendToChatDataSourceBehavior { get; set; } = SendToChatDataSourceBehavior.NO_DATA_SOURCES;
+    public SendToChatDataSourceBehavior SendToChatDataSourceBehavior { get; set; } = ManagedConfiguration.Register(configSelection, n => n.SendToChatDataSourceBehavior, SendToChatDataSourceBehavior.NO_DATA_SOURCES);
 
     /// <summary>
     /// Preselect any chat options?
@@ -51,10 +51,47 @@ public sealed class DataChat(Expression<Func<Data, DataChat>>? configSelection =
     /// </summary>
     public string PreselectedChatTemplate { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectedChatTemplate, string.Empty);
     
+    /// <summary>
+    /// Whether data sources are disabled by default for new chats.
+    /// </summary>
+    public bool PreselectedDataSourcesDisabled { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectedDataSourcesDisabled, true);
+
+    /// <summary>
+    /// Whether data sources should be selected automatically by default for new chats.
+    /// </summary>
+    public bool PreselectedDataSourcesAutomaticSelection { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectedDataSourcesAutomaticSelection, false);
+
+    /// <summary>
+    /// Whether retrieved data should be validated automatically by default for new chats.
+    /// </summary>
+    public bool PreselectedDataSourcesAutomaticValidation { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectedDataSourcesAutomaticValidation, false);
+
+    /// <summary>
+    /// The data source IDs that should be preselected by default for new chats.
+    /// </summary>
+    public List<string> PreselectedDataSourceIds { get; set; } = ManagedConfiguration.Register(configSelection, n => n.PreselectedDataSourceIds, []);
+
     /// <summary>
     /// Should we preselect data sources options for a created chat?
     /// </summary>
-    public DataSourceOptions PreselectedDataSourceOptions { get; set; } = new();
+    // Compatibility shim: legacy settings used this nested object. See documentation/compatibility-shims/2026-07-chat-data-source-options.md; remove after 2027-01-05.
+    public DataSourceOptions PreselectedDataSourceOptions
+    {
+        get => new()
+        {
+            DisableDataSources = this.PreselectedDataSourcesDisabled,
+            AutomaticDataSourceSelection = this.PreselectedDataSourcesAutomaticSelection,
+            AutomaticValidation = this.PreselectedDataSourcesAutomaticValidation,
+            PreselectedDataSourceIds = [..this.PreselectedDataSourceIds],
+        };
+        set
+        {
+            this.PreselectedDataSourcesDisabled = value.DisableDataSources;
+            this.PreselectedDataSourcesAutomaticSelection = value.AutomaticDataSourceSelection;
+            this.PreselectedDataSourcesAutomaticValidation = value.AutomaticValidation;
+            this.PreselectedDataSourceIds = [..value.PreselectedDataSourceIds];
+        }
+    }
 
     /// <summary>
     /// Should we show the latest message after loading? When false, we show the first (aka oldest) message.

app/MindWork AI Studio/Settings/DataModel/DataVisualBriefing.cs

@@ -0,0 +1,75 @@
+using System.Linq.Expressions;
+
+using AIStudio.Assistants.SlideBuilder;
+using AIStudio.Provider;
+
+namespace AIStudio.Settings.DataModel;
+
+/// <summary>
+/// Stores managed default settings for the Visual Briefing Assistant.
+/// </summary>
+/// <param name="configSelection">The managed-configuration selector.</param>
+public sealed class DataVisualBriefing(Expression<Func<Data, DataVisualBriefing>>? configSelection = null)
+{
+    /// <summary>
+    /// Initializes an unmanaged Visual Briefing settings instance.
+    /// </summary>
+    public DataVisualBriefing() : this(null)
+    {
+    }
+
+    /// <summary>
+    /// Gets or sets the preselected profile identifier.
+    /// </summary>
+    public string PreselectedProfile { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedProfile, string.Empty);
+
+    /// <summary>
+    /// Gets or sets the preselected provider identifier.
+    /// </summary>
+    public string PreselectedProvider { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedProvider, string.Empty);
+
+    /// <summary>
+    /// Gets or sets the default target language.
+    /// </summary>
+    public CommonLanguages PreselectedTargetLanguage { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedTargetLanguage, CommonLanguages.EN_US);
+
+    /// <summary>
+    /// Gets or sets the default free-form target language.
+    /// </summary>
+    public string PreselectedOtherLanguage { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedOtherLanguage, string.Empty);
+
+    /// <summary>
+    /// Gets or sets the default audience profile.
+    /// </summary>
+    public AudienceProfile PreselectedAudienceProfile { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedAudienceProfile, AudienceProfile.UNSPECIFIED);
+
+    /// <summary>
+    /// Gets or sets the default audience age group.
+    /// </summary>
+    public AudienceAgeGroup PreselectedAudienceAgeGroup { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedAudienceAgeGroup, AudienceAgeGroup.UNSPECIFIED);
+
+    /// <summary>
+    /// Gets or sets the default audience organizational level.
+    /// </summary>
+    public AudienceOrganizationalLevel PreselectedAudienceOrganizationalLevel { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedAudienceOrganizationalLevel, AudienceOrganizationalLevel.UNSPECIFIED);
+
+    /// <summary>
+    /// Gets or sets the default audience expertise.
+    /// </summary>
+    public AudienceExpertise PreselectedAudienceExpertise { get; set; } = ManagedConfiguration.Register(configSelection, value => value.PreselectedAudienceExpertise, AudienceExpertise.UNSPECIFIED);
+
+    /// <summary>
+    /// Gets or sets whether generated briefings show source references by default.
+    /// </summary>
+    public bool ShowSourceReferences { get; set; } = ManagedConfiguration.Register(configSelection, value => value.ShowSourceReferences, true);
+
+    /// <summary>
+    /// Gets or sets whether visual assets are optimized by default.
+    /// </summary>
+    public bool OptimizeImages { get; set; } = ManagedConfiguration.Register(configSelection, value => value.OptimizeImages, true);
+
+    /// <summary>
+    /// Gets or sets the minimum confidence accepted for the selected provider.
+    /// </summary>
+    public ConfidenceLevel MinimumProviderConfidence { get; set; } = ManagedConfiguration.Register(configSelection, value => value.MinimumProviderConfidence, ConfidenceLevel.NONE);
+}

app/MindWork AI Studio/Settings/DataModel/PreviewFeatures.cs

@@ -15,4 +15,6 @@ public enum PreviewFeatures
     PRE_READ_PDF_2025,
     PRE_DOCUMENT_ANALYSIS_2025,
     PRE_SPEECH_TO_TEXT_2026,
+    PRE_META_ASSISTANT_V1,
+    PRE_VISUAL_BRIEFING_ASSISTANT_2026,
 }

app/MindWork AI Studio/Settings/DataModel/PreviewFeaturesExtensions.cs

@@ -15,6 +15,8 @@ public static class PreviewFeaturesExtensions
         PreviewFeatures.PRE_READ_PDF_2025 => TB("Read PDF: Preview of our PDF reading system where you can read and extract text from PDF files"),
         PreviewFeatures.PRE_DOCUMENT_ANALYSIS_2025 => TB("Document Analysis: Preview of our document analysis system where you can analyze and extract information from documents"),
         PreviewFeatures.PRE_SPEECH_TO_TEXT_2026 => TB("Transcription: Convert recordings and audio files into text"),
+        PreviewFeatures.PRE_META_ASSISTANT_V1 => TB("Assistant Builder: Generate and install assistant plugins"),
+        PreviewFeatures.PRE_VISUAL_BRIEFING_ASSISTANT_2026 => TB("Visual Briefing Assistant: Turn source material into an interactive briefing"),
         
         _ => TB("Unknown preview feature")
     };

app/MindWork AI Studio/Settings/DataModel/PreviewVisibilityExtensions.cs

@@ -12,6 +12,7 @@ public static class PreviewVisibilityExtensions
         if (visibility >= PreviewVisibility.BETA)
         {
             features.Add(PreviewFeatures.PRE_DOCUMENT_ANALYSIS_2025);
+            features.Add(PreviewFeatures.PRE_META_ASSISTANT_V1);
         }
         
         if (visibility >= PreviewVisibility.ALPHA)
@@ -21,6 +22,7 @@ public static class PreviewVisibilityExtensions
         if (visibility >= PreviewVisibility.PROTOTYPE)
         {
             features.Add(PreviewFeatures.PRE_RAG_2024);
+            features.Add(PreviewFeatures.PRE_VISUAL_BRIEFING_ASSISTANT_2026);
         }
         
         if (visibility >= PreviewVisibility.EXPERIMENTAL)

app/MindWork AI Studio/Settings/DataModel/UpdateInterval.cs

@@ -3,6 +3,7 @@ namespace AIStudio.Settings.DataModel;
 public enum UpdateInterval
 {
     NO_CHECK,
+    DISABLE_UPDATES,
     ONCE_STARTUP,
     HOURLY,
     DAILY,