Convex batch mutation patterns for mass updates and deletes. Triggers on "batch delete", "bulk update", "mass edit", "delete all selected", "update multiple", Promise.all with mutations, "many mutations", "concurrent connections limit", "16 connection limit", "table pagination reset", "TanStack table selection lost", "row selection clears". You must use this skill whenever implementing multi-select operations, bulk actions, or handling data tables with Convex backend.
