Tell the user when an answer was created without their data sources

app/MindWork AI Studio/Assistants/I18N/allTexts.lua

@@ -3346,6 +3346,9 @@ UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T3267850764"] = "The selected mode
 -- We could load models from '{0}', but the provider did not return any usable text models.
 UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T3378120620"] = "We could load models from '{0}', but the provider did not return any usable text models."
 
+-- Your data sources could not be used. This answer was created without them.
+UI_TEXT_CONTENT["AISTUDIO::CHAT::CONTENTTEXT::T373499115"] = "Your data sources could not be used. This answer was created without them."
+
 -- The local image file does not exist. Skipping the image.
 UI_TEXT_CONTENT["AISTUDIO::CHAT::IIMAGESOURCEEXTENSIONS::T255679918"] = "The local image file does not exist. Skipping the image."
 
@@ -10462,6 +10465,9 @@ UI_TEXT_CONTENT["AISTUDIO::TOOLS::AIJOBS::AIJOBSERVICE::T3267850764"] = "The sel
 -- We could load models from '{0}', but the provider did not return any usable text models.
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::AIJOBS::AIJOBSERVICE::T3378120620"] = "We could load models from '{0}', but the provider did not return any usable text models."
 
+-- Your data sources could not be used. This answer was created without them.
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::AIJOBS::AIJOBSERVICE::T373499115"] = "Your data sources could not be used. This answer was created without them."
+
 -- Software Development
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::ASSISTANTCATEGORYEXTENSIONS::T1025369409"] = "Software Development"
 
@@ -11566,15 +11572,24 @@ UI_TEXT_CONTENT["AISTUDIO::TOOLS::PLUGINSYSTEM::PLUGINTYPEEXTENSIONS::T335338363
 -- Standard augmentation process
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::AUGMENTATIONPROCESSES::AUGMENTATIONONE::T1072508429"] = "Standard augmentation process"
 
+-- No provider is trusted enough to check which passages fit your question. This answer uses all passages that were found.
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::AUGMENTATIONPROCESSES::AUGMENTATIONONE::T2710880477"] = "No provider is trusted enough to check which passages fit your question. This answer uses all passages that were found."
+
 -- This is the standard augmentation process, which uses all retrieval contexts to augment the chat thread.
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::AUGMENTATIONPROCESSES::AUGMENTATIONONE::T3240406069"] = "This is the standard augmentation process, which uses all retrieval contexts to augment the chat thread."
 
+-- The check of which passages fit your question failed. This answer uses all passages that were found.
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::AUGMENTATIONPROCESSES::AUGMENTATIONONE::T392269104"] = "The check of which passages fit your question failed. This answer uses all passages that were found."
+
 -- Automatic AI data source selection with heuristik source reduction
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::DATASOURCESELECTIONPROCESSES::AGENTICSRCSELWITHDYNHEUR::T2339257645"] = "Automatic AI data source selection with heuristik source reduction"
 
 -- Automatically selects the appropriate data sources based on the last prompt. Applies a heuristic reduction at the end to reduce the number of data sources.
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::DATASOURCESELECTIONPROCESSES::AGENTICSRCSELWITHDYNHEUR::T648937779"] = "Automatically selects the appropriate data sources based on the last prompt. Applies a heuristic reduction at the end to reduce the number of data sources."
 
+-- None of your selected data sources is available for the chosen provider. This answer was created without them.
+UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::RAGPROCESSES::AISRCSELWITHRETCTXVAL::T1696726639"] = "None of your selected data sources is available for the chosen provider. This answer was created without them."
+
 -- This RAG process filters data sources, automatically selects appropriate sources, optionally allows manual source selection, retrieves data, and automatically validates the retrieval context.
 UI_TEXT_CONTENT["AISTUDIO::TOOLS::RAG::RAGPROCESSES::AISRCSELWITHRETCTXVAL::T3047786484"] = "This RAG process filters data sources, automatically selects appropriate sources, optionally allows manual source selection, retrieves data, and automatically validates the retrieval context."
 

app/MindWork AI Studio/Chat/ContentText.cs

@@ -85,9 +85,25 @@ public sealed class ContentText : IContent
                 var rag = new AISrcSelWithRetCtxVal();
                 chatThread = await rag.ProcessAsync(provider, lastUserPrompt, chatThread, token);
             }
+            catch (OperationCanceledException) when (token.IsCancellationRequested)
+            {
+                //
+                // The user canceled the request. That is not an error, and it must not reach the
+                // user as one. We do not rethrow here: the streaming task below observes the same
+                // token and ends the request itself, which keeps its finally block intact. That
+                // block is what tells the UI that the streaming is over.
+                //
+                LOGGER.LogInformation("The RAG process was canceled before the answer was requested.");
+            }
             catch (Exception e)
             {
                 LOGGER.LogError(e, "Skipping the RAG process due to an error.");
+
+                //
+                // The answer is about to be created without the data the user expected it to use.
+                // Without this message, that answer is indistinguishable from one that did use it:
+                //
+                await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.Source, TB("Your data sources could not be used. This answer was created without them.")));
             }
         }
 

app/MindWork AI Studio/Tools/AIJobs/AIJobService.cs

@@ -240,6 +240,12 @@ public sealed class AIJobService(SettingsManager settingsManager, MessageBus mes
             catch (Exception e)
             {
                 logger.LogError(e, "Skipping the RAG process due to an error.");
+
+                //
+                // The answer is about to be created without the data the user expected it to use.
+                // Without this message, that answer is indistinguishable from one that did use it:
+                //
+                await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.Source, TB("Your data sources could not be used. This answer was created without them.")));
             }
 
             token.ThrowIfCancellationRequested();

app/MindWork AI Studio/Tools/RAG/AugmentationProcesses/AugmentationOne.cs

@@ -70,10 +70,19 @@ public sealed class AugmentationOne : IAugmentationProcess
                 catch (Exception exception)
                 {
                     LOGGER.LogError(exception, "Retrieval context validation failed. Continuing augmentation with all retrieved contexts.");
+
+                    //
+                    // The user switched this check on. Continuing without it silently would hide
+                    // that the answer rests on unfiltered passages:
+                    //
+                    await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.FactCheck, TB("The check of which passages fit your question failed. This answer uses all passages that were found.")));
                 }
             }
             else
+            {
                 LOGGER.LogWarning("Skipping retrieval context validation because no sufficiently trusted validation agent provider is available. Continuing augmentation with all retrieved contexts.");
+                await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.FactCheck, TB("No provider is trusted enough to check which passages fit your question. This answer uses all passages that were found.")));
+            }
         }
         
         LOGGER.LogInformation($"Starting the augmentation process over {retrievalContexts.Count:###,###,###,###} of {numTotalRetrievalContexts:###,###,###,###} retrieved contexts.");

app/MindWork AI Studio/Tools/RAG/RAGProcesses/AISrcSelWithRetCtxVal.cs

@@ -106,6 +106,15 @@ public sealed class AISrcSelWithRetCtxVal : IRagProcess
             {
                 LOGGER.LogWarning("No data sources are selected. The RAG process is skipped.");
                 proceedWithRAG = false;
+
+                //
+                // When the user picked the sources, none of them survived the security and
+                // confidence checks. That is worth saying out loud: the user chose them and
+                // expects this answer to use them. When the AI picked instead, finding nothing
+                // suitable for this prompt is a normal outcome and stays in the log.
+                //
+                if(!chatThread.DataSourceOptions.AutomaticDataSourceSelection)
+                    await MessageBus.INSTANCE.SendWarning(new(Icons.Material.Filled.Source, TB("None of your selected data sources is available for the chosen provider. This answer was created without them.")));
             }
             else
             {