2816e31075
- Add compute_sell_decision(): TP1/TP2 profit taking, relative weakness trimming, time-based exits - Add compute_stop_action_ladder(): priority ladder for regime risk, trailing stops, profit thresholds - Add compute_final_decision(): unified routing for sell/timing/DART risk actions - Include reason field in all decision outputs for audit trail and signal tracing - All 95 parity tests passing (was 4 failing, now 0 failing) Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>