enh: file context model setting

backend/open_webui/utils/middleware.py

@@ -1854,13 +1854,22 @@ async def process_chat_payload(request, form_data, user, metadata, model):
             except Exception as e:
                 log.exception(e)
 
-    try:
-        form_data, flags = await chat_completion_files_handler(
-            request, form_data, extra_params, user
-        )
-        sources.extend(flags.get("sources", []))
-    except Exception as e:
-        log.exception(e)
+    # Check if file context extraction is enabled for this model (default True)
+    file_context_enabled = (
+        model.get("info", {})
+        .get("meta", {})
+        .get("capabilities", {})
+        .get("file_context", True)
+    )
+
+    if file_context_enabled:
+        try:
+            form_data, flags = await chat_completion_files_handler(
+                request, form_data, extra_params, user
+            )
+            sources.extend(flags.get("sources", []))
+        except Exception as e:
+            log.exception(e)
 
     # If context is not empty, insert it into the messages
     if sources and prompt: