Three coupled correctness fixes to /tutorial/gift_receive's response:
- received_ids / total_receive_count_list / reward_list are now built
from `toClaim` (the gifts THIS call granted), not from `requestedIds`.
Echoing the client's request meant idempotent re-claims re-fired the
"+N received" popup and direct-assigned the same post-state totals
again, breaking the documented idempotency contract.
- is_unreceived_present is now `unclaimedPresents.Count > 0`. The
hardcoded false hid the inbox badge after partial claims even when
present_list still carried unclaimed gifts.
- tutorial_step echoes the persisted (max-preserved) state instead of
a hardcoded 41. A replay against a state>=41 viewer used to surface
41 on the wire and regress the client's tutorial state machine.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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