fix(ai): ensure entries are populated when exporting group chat

CHANGELOG.md

@@ -15,7 +15,8 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 
 ### Fixed
 
-We fixed an error on startup when using portable preferences. [#14729](https://github.com/JabRef/jabref/issues/14729)
+- We fixed an error on startup when using portable preferences. [#14729](https://github.com/JabRef/jabref/issues/14729)
+- We fixed empty entries list when exporting AI chat from a group. [#14647](https://github.com/JabRef/jabref/issues/14647)
 
 ### Removed
 

jabgui/src/main/java/org/jabref/gui/ai/components/aichat/AiChatComponent.java

@@ -5,6 +5,7 @@
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Stream;
@@ -109,7 +110,6 @@ public AiChatComponent(AiService aiService,
                            TaskExecutor taskExecutor
     ) {
         this.aiService = aiService;
-        this.entries = stateManager.getSelectedEntries();
         this.bibDatabaseContext = bibDatabaseContext;
         this.aiPreferences = aiPreferences;
         this.entryTypesManager = entryTypesManager;
@@ -119,6 +119,19 @@ public AiChatComponent(AiService aiService,
 
         this.aiChatLogic = aiService.getAiChatService().makeChat(name, chatHistory, entries, bibDatabaseContext);
 
+        ObservableList<BibEntry> currentSelection = stateManager.getSelectedEntries();
+
+        if (!entries.isEmpty()) {
+            boolean isSubsetOfSelection = new HashSet<>(currentSelection).containsAll(entries);
+            if (isSubsetOfSelection) {
+                this.entries = currentSelection;
+            } else {
+                this.entries = entries;
+            }
+        } else {
+            this.entries = currentSelection;
+        }
+
         aiService.getIngestionService().ingest(name, ListUtil.getLinkedFiles(entries).toList(), bibDatabaseContext);
 
         ViewLoader.view(this)