The other item sources live marked in AddItemToInventoryClientSync's extra
info, with the keys and values live sent:
- mission and achievement rewards: _Metric_Mission_ID_Int and source LOT 1,
the player (225 of 225 live rewards)
- activity rewards: _Metric_Activity_ID_Int and the activity object's LOT
- vendor purchases: the vendor's LOT and _Metric_Currency_Delta_Int, the coins
paid as a negative number (left out when the item costs no coins)
- mail attachments: _Metric_Mail_ID_Int64
- traded items: _Metric_Transaction_ID_Int64, the trade's ID
Loot::GiveLoot gains overloads that pass them on.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>