Disable OpenWebUI follow-up generation

platform/openwebui/install-filters.sh

@@ -49,6 +49,9 @@ required = {
 }
 if not required <= columns:
     raise SystemExit("Unbekanntes OpenWebUI-Function-Schema; keine Änderung vorgenommen.")
+config_columns = {row[1] for row in con.execute("pragma table_info(config)")}
+if not {"key", "value", "updated_at"} <= config_columns:
+    raise SystemExit("Unbekanntes OpenWebUI-Config-Schema; keine Änderung vorgenommen.")
 
 owner = requested_owner
 if not owner:
@@ -93,7 +96,16 @@ with con:
                 json.dumps({"priority": priority}), True, True, now, now,
             ),
         )
-print("OpenWebUI-Filter installiert: Default Off=10, Thinking=20")
+    con.execute(
+        """
+        insert into config (key,value,updated_at) values (?,?,?)
+        on conflict(key) do update set
+          value=excluded.value,
+          updated_at=excluded.updated_at
+        """,
+        ("task.follow_up.enable", "false", now),
+    )
+print("OpenWebUI konfiguriert: Default Off=10, Thinking=20, Folgefragen=aus")
 PY
 
 if [[ $was_running == true ]]; then