The inventoryVersion counter in useLiveData was a single global value that
bumped on every inventory_delta for any character. With 60+ active chars
all generating deltas, the global counter advanced multiple times per
second.
InventoryWindow's debounce effect watched this global counter, so every
bump reset its 2-second fetch timer. Since bumps arrived faster than 2s,
the fetch never fired — the window appeared frozen until the user closed
and reopened it (which triggered the initial-fetch effect).
Fix: make inventoryVersions a Map<string, number> keyed by character name.
Each inventory_delta now only bumps its own character's counter, so an
open window's debounce correctly fires 2s after its character's last
delta, ignoring unrelated traffic.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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