MindWorkAI · j-erler · Sep 20, 2026
diff --git a/app/MindWork AI Studio/Assistants/I18N/allTexts.lua b/app/MindWork AI Studio/Assistants/I18N/allTexts.lua
@@ -3589,6 +3589,9 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2036185364"] = "Code"
 -- plus {0} image(s), which is more than the {1} this model accepts
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2059172343"] = "plus {0} image(s), which is more than the {1} this model accepts"
 
+-- Please enter a chat name.
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2301651387"] = "Please enter a chat name."
+
 -- Italic
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2377171085"] = "Italic"
 
@@ -3601,6 +3604,12 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2670286472"] = "Profile u
 -- The selected provider is not allowed in this chat due to data security or confidence-level requirements.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2672162875"] = "The selected provider is not allowed in this chat due to data security or confidence-level requirements."
 
+-- Duplicate Chat
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2762849660"] = "Duplicate Chat"
+
+-- {0} (copy)
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2930606011"] = "{0} (copy)"
+
 -- Bulleted List
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2957125464"] = "Bulleted List"
 
@@ -3613,12 +3622,18 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3045856778"] = "Move Chat
 -- {0} tokens
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3244065777"] = "{0} tokens"
 
+-- Please enter a name for the copy of your chat '{0}':
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3323676840"] = "Please enter a name for the copy of your chat '{0}':"
+
 -- plus {0} image(s), which cannot be counted
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3619858297"] = "plus {0} image(s), which cannot be counted"
 
 -- Select a provider first
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3654197869"] = "Select a provider first"
 
+-- Chat Name
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3891063690"] = "Chat Name"
+
 -- Start new chat in workspace '{0}'
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3928697643"] = "Start new chat in workspace '{0}'"
 
@@ -3631,9 +3646,15 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T4113970938"] = "Start tem
 -- Heading
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T4231005109"] = "Heading"
 
+-- Duplicate
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T4231201590"] = "Duplicate"
+
 -- Please select the workspace where you want to move the chat to.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T474393241"] = "Please select the workspace where you want to move the chat to."
 
+-- Duplicate this chat & continue in the copy.
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T568087588"] = "Duplicate this chat & continue in the copy."
+
 -- Move the chat to a workspace, or to another if it is already in one.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T636393754"] = "Move the chat to a workspace, or to another if it is already in one."
 
@@ -5338,6 +5359,12 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2446263209"] = "Workspace Na
 -- Move to workspace
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2509305748"] = "Move to workspace"
 
+-- Duplicate Chat
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2762849660"] = "Duplicate Chat"
+
+-- {0} (copy)
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2930606011"] = "{0} (copy)"
+
 -- Are you sure you want to delete the temporary chat '{0}'?
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3043761007"] = "Are you sure you want to delete the temporary chat '{0}'?"
 
@@ -5353,6 +5380,9 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3249036008"] = "There is alr
 -- Please enter a workspace name.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3288132732"] = "Please enter a workspace name."
 
+-- Please enter a name for the copy of your chat '{0}':
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3323676840"] = "Please enter a name for the copy of your chat '{0}':"
+
 -- Rename
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3355849203"] = "Rename"
 
@@ -5380,6 +5410,12 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4048389951"] = "Workspaces"
 -- Disappearing Chats
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4201703117"] = "Disappearing Chats"
 
+-- Are you sure you want to duplicate this chat? The copy is opened, so everything you wrote since you last saved this chat will be lost.
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4222136922"] = "Are you sure you want to duplicate this chat? The copy is opened, so everything you wrote since you last saved this chat will be lost."
+
+-- Duplicate
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4231201590"] = "Duplicate"
+
 -- Please select the workspace where you want to move the chat to.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T474393241"] = "Please select the workspace where you want to move the chat to."
 

diff --git a/app/MindWork AI Studio/Components/ChatComponent.razor b/app/MindWork AI Studio/Components/ChatComponent.razor
@@ -89,6 +89,13 @@
             <ChatTemplateSelection MarginLeft="" CanChatThreadBeUsedForTemplate="@this.CanThreadBeSaved" CurrentChatThread="@this.ChatThread" CurrentChatTemplate="@this.currentChatTemplate" CurrentChatTemplateChanged="@this.ChatTemplateWasChanged"/>
 
 
+            @if (this.SettingsManager.ConfigurationData.Workspace.StorageBehavior is not WorkspaceStorageBehavior.DISABLE_WORKSPACES)
+            {
+                <MudTooltip Text="@T("Duplicate this chat & continue in the copy.")" Placement="@TOOLBAR_TOOLTIP_PLACEMENT">
+                    <MudIconButton Icon="@Icons.Material.Filled.ContentCopy" Disabled="@(!this.CanThreadBeSaved || this.IsCurrentChatStreaming)" OnClick="@this.DuplicateCurrentChat"/>
+                </MudTooltip>
+            }
+
             @if (this.SettingsManager.ConfigurationData.Workspace.StorageBehavior is WorkspaceStorageBehavior.STORE_CHATS_AUTOMATICALLY)
             {
                 <MudTooltip Text="@T("Delete this chat & start a new one.")" Placement="@TOOLBAR_TOOLTIP_PLACEMENT">

diff --git a/app/MindWork AI Studio/Components/ChatComponent.razor.cs b/app/MindWork AI Studio/Components/ChatComponent.razor.cs
@@ -1242,6 +1242,49 @@ private async Task StartNewChat(bool useSameWorkspace = false, bool deletePrevio
         await this.ChatThreadChanged.InvokeAsync(this.ChatThread);
     }
 
+    /// <summary>
+    /// Copies the chat which is open into a second one and continues in that one.
+    /// </summary>
+    /// <remarks>
+    /// Copied is the chat as it stands on the screen, not the state which was stored last, so a
+    /// sentence somebody wrote a moment ago is part of the copy. That is also why nothing is asked
+    /// about unsaved changes here, unlike everywhere else which leaves a chat behind: none of them
+    /// are lost, they are what is being copied.
+    /// </remarks>
+    private async Task DuplicateCurrentChat()
+    {
+        if (this.ChatThread is null || this.IsCurrentChatStreaming)
+            return;
+
+        var dialogParameters = new DialogParameters<SingleInputDialog>
+        {
+            { x => x.Message, string.Format(T("Please enter a name for the copy of your chat '{0}':"), this.ChatThread.Name) },
+            { x => x.InputHeaderText, T("Chat Name") },
+            { x => x.UserInput, string.Format(T("{0} (copy)"), this.ChatThread.Name) },
+            { x => x.ConfirmText, T("Duplicate") },
+            { x => x.ConfirmColor, Color.Info },
+            { x => x.AllowEmptyInput, false },
+            { x => x.EmptyInputErrorMessage, T("Please enter a chat name.") },
+        };
+
+        var dialogReference = await this.DialogService.ShowAsync<SingleInputDialog>(T("Duplicate Chat"), dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+
+        var copy = await WorkspaceBehaviour.DuplicateChatAsync(this.ChatThread, (dialogResult.Data as string)!);
+        if (copy is null)
+            return;
+
+        this.ChatThread = copy;
+        this.hasUnsavedChanges = false;
+
+        await this.SyncForegroundChatAsync();
+        this.MarkCurrentChatAsLoadedParameter();
+        await this.SyncWorkspaceHeaderWithChatThreadAsync();
+        await this.ChatThreadChanged.InvokeAsync(this.ChatThread);
+    }
+
     private async Task MoveChatToWorkspace()
     {
         if(this.ChatThread is null)

diff --git a/app/MindWork AI Studio/Components/Workspaces.razor b/app/MindWork AI Studio/Components/Workspaces.razor
@@ -85,6 +85,10 @@ else
                                             <MudIconButton Icon="@Icons.Material.Filled.Edit" Size="Size.Medium" Color="Color.Inherit" Disabled="@this.IsChatTreeItemBusy(treeItem)" OnClick="@(() => this.RenameChatAsync(treeItem.Path))"/>
                                         </MudTooltip>
 
+                                        <MudTooltip Text="@T("Duplicate")" Placement="@WORKSPACE_ITEM_TOOLTIP_PLACEMENT">
+                                            <MudIconButton Icon="@Icons.Material.Filled.ContentCopy" Size="Size.Medium" Color="Color.Inherit" Disabled="@this.IsChatTreeItemBusy(treeItem)" OnClick="@(() => this.DuplicateChatAsync(treeItem.Path))"/>
+                                        </MudTooltip>
+
                                         <MudTooltip Text="@T("Delete")" Placement="@WORKSPACE_ITEM_TOOLTIP_PLACEMENT">
                                             <MudIconButton Icon="@Icons.Material.Filled.Delete" Size="Size.Medium" Color="Color.Error" Disabled="@this.IsChatTreeItemBusy(treeItem)" OnClick="@(() => this.DeleteChatAsync(treeItem.Path))"/>
                                         </MudTooltip>

diff --git a/app/MindWork AI Studio/Components/Workspaces.razor.cs b/app/MindWork AI Studio/Components/Workspaces.razor.cs
@@ -745,6 +745,64 @@ public async Task DeleteChatAsync(string? chatPath, bool askForConfirmation = tr
         }
     }
 
+    /// <summary>
+    /// Copies a chat of the tree into a second one and opens it.
+    /// </summary>
+    /// <remarks>
+    /// Two questions in a row, and only the second one is always asked. The first is the one every
+    /// other way out of a chat asks -- whether unsaved changes may be lost -- because the copy is
+    /// opened once it exists. The second asks what the copy is called, so that two chats of the
+    /// same name do not end up next to each other in the tree.
+    /// </remarks>
+    /// <param name="chatPath">The directory of the chat to copy.</param>
+    private async Task DuplicateChatAsync(string? chatPath)
+    {
+        var chat = await this.LoadChatAsync(chatPath, false);
+        if (chat is null)
+            return;
+
+        if (this.AIJobService.IsChatGenerationActive(chat.ChatId))
+            return;
+
+        if (await MessageBus.INSTANCE.SendMessageUseFirstResult<bool, bool>(this, Event.HAS_CHAT_UNSAVED_CHANGES))
+        {
+            var unsavedDialogParameters = new DialogParameters<ConfirmDialog>
+            {
+                { x => x.Message, T("Are you sure you want to duplicate this chat? The copy is opened, so everything you wrote since you last saved this chat will be lost.") },
+            };
+
+            var unsavedDialogReference = await this.DialogService.ShowAsync<ConfirmDialog>(T("Duplicate Chat"), unsavedDialogParameters, DialogOptions.FULLSCREEN);
+            var unsavedDialogResult = await unsavedDialogReference.Result;
+            if (unsavedDialogResult is null || unsavedDialogResult.Canceled)
+                return;
+        }
+
+        var dialogParameters = new DialogParameters<SingleInputDialog>
+        {
+            { x => x.Message, string.Format(T("Please enter a name for the copy of your chat '{0}':"), chat.Name) },
+            { x => x.InputHeaderText, T("Chat Name") },
+            { x => x.UserInput, string.Format(T("{0} (copy)"), chat.Name) },
+            { x => x.ConfirmText, T("Duplicate") },
+            { x => x.ConfirmColor, Color.Info },
+            { x => x.AllowEmptyInput, false },
+            { x => x.EmptyInputErrorMessage, T("Please enter a chat name.") },
+        };
+
+        var dialogReference = await this.DialogService.ShowAsync<SingleInputDialog>(T("Duplicate Chat"), dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+
+        var copy = await WorkspaceBehaviour.DuplicateChatAsync(chat, (dialogResult.Data as string)!);
+        if (copy is null)
+            return;
+
+        await this.LoadTreeItemsAsync(startPrefetch: false);
+
+        this.CurrentChatThread = copy;
+        await this.CurrentChatThreadChanged.InvokeAsync(this.CurrentChatThread);
+    }
+
     private async Task RenameChatAsync(string? chatPath)
     {
         var chat = await this.LoadChatAsync(chatPath, false);

diff --git a/...indWork AI Studio/Plugins/languages/de-de-43065dbc-78d0-45b7-92be-f14c2926e2dc/plugin.lua b/...indWork AI Studio/Plugins/languages/de-de-43065dbc-78d0-45b7-92be-f14c2926e2dc/plugin.lua
@@ -3591,6 +3591,9 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2036185364"] = "Code"
 -- plus {0} image(s), which is more than the {1} this model accepts
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2059172343"] = "plus {0} Bild(er), also mehr als die {1}, die dieses Modell akzeptiert"
 
+-- Please enter a chat name.
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2301651387"] = "Bitte geben Sie einen Namen für diesen Chat ein."
+
 -- Italic
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2377171085"] = "Kursiv"
 
@@ -3603,6 +3606,12 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2670286472"] = "Die Profi
 -- The selected provider is not allowed in this chat due to data security or confidence-level requirements.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2672162875"] = "Der ausgewählte Anbieter ist in diesem Chat aufgrund der Datensicherheit oder der Anforderungen an das Vertrauensniveau nicht zulässig."
 
+-- Duplicate Chat
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2762849660"] = "Chat duplizieren"
+
+-- {0} (copy)
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2930606011"] = "{0} (Kopie)"
+
 -- Bulleted List
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T2957125464"] = "Aufzählungszeichen"
 
@@ -3615,12 +3624,18 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3045856778"] = "Chat in d
 -- {0} tokens
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3244065777"] = "{0} Token"
 
+-- Please enter a name for the copy of your chat '{0}':
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3323676840"] = "Bitte geben Sie einen Namen für die Kopie Ihres Chats „{0}“ ein:"
+
 -- plus {0} image(s), which cannot be counted
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3619858297"] = "zuzüglich {0} Bild(er), die nicht gezählt werden können"
 
 -- Select a provider first
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3654197869"] = "Wähle zuerst einen Anbieter aus"
 
+-- Chat Name
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3891063690"] = "Name des Chat"
+
 -- Start new chat in workspace "{0}"
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T3928697643"] = "Neuen Chat im Arbeitsbereich '{0}' starten"
 
@@ -3633,9 +3648,15 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T4113970938"] = "Neuen sel
 -- Heading
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T4231005109"] = "Überschrift"
 
+-- Duplicate
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T4231201590"] = "Duplizieren"
+
 -- Please select the workspace where you want to move the chat to.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T474393241"] = "Bitte wählen Sie den Arbeitsbereich aus, in den Sie den Chat verschieben möchten."
 
+-- Duplicate this chat & continue in the copy.
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T568087588"] = "Diesen Chat duplizieren und in der Kopie weiterarbeiten."
+
 -- Move the chat to a workspace, or to another if it is already in one.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::CHATCOMPONENT::T636393754"] = "Verschieben Sie den Chat in einen Arbeitsbereich oder in einen anderen, falls er sich bereits in einem befindet."
 
@@ -5340,6 +5361,12 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2446263209"] = "Name des Arb
 -- Move to workspace
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2509305748"] = "In einen Arbeitsbereich verschieben"
 
+-- Duplicate Chat
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2762849660"] = "Chat duplizieren"
+
+-- {0} (copy)
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T2930606011"] = "{0} (Kopie)"
+
 -- Are you sure you want to delete the chat '{0}'?
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3043761007"] = "Sind Sie sicher, dass Sie den Chat „{0}“ löschen möchten?"
 
@@ -5355,6 +5382,9 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3249036008"] = "Es gibt bere
 -- Please enter a workspace name.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3288132732"] = "Bitte geben Sie einen Namen für diesen Arbeitsbereich ein."
 
+-- Please enter a name for the copy of your chat '{0}':
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3323676840"] = "Bitte geben Sie einen Namen für die Kopie Ihres Chats „{0}“ ein:"
+
 -- Rename
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T3355849203"] = "Umbenennen"
 
@@ -5382,6 +5412,12 @@ UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4048389951"] = "Arbeitsberei
 -- Disappearing Chats
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4201703117"] = "Selbstlöschende Chats"
 
+-- Are you sure you want to duplicate this chat? The copy is opened, so everything you wrote since you last saved this chat will be lost.
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4222136922"] = "Möchten Sie diesen Chat wirklich duplizieren? Die Kopie wird geöffnet; alles, was Sie seit dem letzten Speichern geschrieben haben, geht dabei verloren."
+
+-- Duplicate
+UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T4231201590"] = "Duplizieren"
+
 -- Please select the workspace where you want to move the chat to.
 UI_TEXT_CONTENT["AISTUDIO::COMPONENTS::WORKSPACES::T474393241"] = "Bitte wählen Sie den Arbeitsbereich aus, in den Sie den Chat verschieben möchten."