Fib BOS + BX — weekly BOS with daily body fib zones

Weekly order=2 structure. BOS is weekly close above last confirmed weekly swing high (confirmed at i+order). Fib from daily body extremes inside the weekly bars: L_body = min(open,close) on low extreme day, H_body = max(open,close) on high extreme day. Zones IBZ 0.618-0.786 and SMZ 0.786-0.816 shown for L1→H (last low before H) and L2→H (second last low). Daily close in zone after BOS (≥5 sessions) is a signal. BX monthly at signal is the permission label. Wick 618/786/816 dashed for validation vs trader body draw. Universe SPY T200 PIT + Nasdaq100 dedup.