File zone: one shared room subscription for read-by rows #108
2026-11-11
File zone: one room subscription for every 'read by' row
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receiptStore.ts holds one Timeline/Redaction/TimelineReset listener set per room while any row is mounted and a snapshot of the receipt events; useFileReaders derives each row's readers from it with readersOf (same rules). 200 rows register one listener per event, not 200. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>