Add Temporal half-rounding boundary tests across all units#4996

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MidnightDesign wants to merge 9 commits intotc39:mainfrom

MidnightDesign:temporal-rounding-half-boundary

Commits on Mar 16, 2026

Add Temporal PlainDate tests for rounding half-boundary, leap years, and dayOfWeek

MidnightDesign
and
claude
committed
Refocus PR on half-boundary rounding tests across Temporal types

MidnightDesign
and
claude
committed
Merge branch 'main' into temporal-rounding-half-boundary
MidnightDesign
authored

Commits on Mar 18, 2026

Commits on Mar 25, 2026