Dynamically changing $_user quota settings
Jamroom Developers
jrProfile_get_quota() doesnt look like it touches $_user.
'session_started' is not such a commonly used listener judging by a code search. One set that is commonly used is:
* 'db_get_item'
* 'db_search_items'
eg:
// Expand Poll options
jrCore_register_event_listener('jrCore', 'db_get_item', 'jrPoll_db_get_item_listener');
jrCore_register_event_listener('jrCore', 'db_search_items', 'jrPoll_db_search_items_listener');
Might try tweaking the data via both of those.
--edit--
Why: because the session start gets its info from:
jrCore_db_get_item('jrUser', $uid, true, true)) {.........updated by @michael: 11/30/18 11:59:15PM