refac

backend/open_webui/routers/files.py

@@ -168,6 +168,27 @@ async def process_uploaded_file(
                     db=db_session,
                 )
 
+            # Auto-link to Knowledge Collection when uploaded from one (#24807).
+            # Mirrors POST /knowledge/{id}/file/add so linking doesn't depend
+            # on the frontend staying connected after upload.
+            knowledge_id = file_metadata.get('knowledge_id')
+            if knowledge_id:
+                try:
+                    await Knowledges.add_file_to_knowledge_by_id(
+                        knowledge_id=knowledge_id,
+                        file_id=file_item.id,
+                        user_id=user.id,
+                        directory_id=file_metadata.get('directory_id'),
+                    )
+                    await process_file(
+                        request,
+                        ProcessFileForm(file_id=file_item.id, collection_name=knowledge_id),
+                        user=user,
+                    )
+                    log.info(f'Linked file {file_item.id} to knowledge {knowledge_id}')
+                except Exception as e:
+                    log.warning(f'Failed to link file {file_item.id} to knowledge {knowledge_id}: {e}')
+
         except Exception as e:
             log.error(f'Error processing file: {file_item.id}')
             await Files.update_file_data_by_id(