18abff85a3
Finishes PENDING_STEPS Step 1 under the current trailing-exit model. M15 window 2025-03-30->2026-05-31 ($0.30 spread): +116.6R/460 PF 1.83 vs +105.4R/424 PF 1.82 baseline, better in both halves; 2024-06-> 2025-03 OOS +30.3R vs +10.6R control. Same knob on the pinned M5 book is WORSE (+131.3R/699 vs +139.9R/547) so the override is M15-only in the xauusd factory, per the pre-registered decision rule. M5 path unchanged (factory override gated on primary_tf == M15).