f9a971a546766f0de5f1ddd66ee5c99c5ab2d369
Add ItemAcquireHistoryController (POST /item_acquire_history/info) with its three DTOs and two integration tests (ordering + empty-viewer). The endpoint reads ViewerAcquireHistory rows written by InventoryTransaction.CommitAsync, ordered newest-first, capped at 300. Tests access doc.RootElement.histories directly (no envelope wrapper in the test path — middleware skips non-UnityPlayer UA). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Description
The SV Simulator server code, including the DCG Engine, SVSim content, and an entrypoint for the official game client.
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C#
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