Empty Lua tables from DB queries (e.g. get_events with no results)
are ambiguous — they could be [] or {}. Frontend expects arrays
(with .length), so we default empty tables to [] instead of {}.
Empty Lua tables from DB queries (e.g. get_events with no results)
are ambiguous — they could be [] or {}. Frontend expects arrays
(with .length), so we default empty tables to [] instead of {}.