Color 期期 preview PnL and show RR vs full premium loss.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/hedge_plan/hedge_plan_calc_lib.py

@@ -541,6 +541,10 @@ def build_options_options_preview(
             "expiry_flat_total": round(expiry_loss, 4),
             "premium_paid": round(prem, 6),
             "expiry_is_loss": flat_total <= 0,
+            # 盈亏比:盈利/全亏保费(风险=权利金全损)
+            "rr_risk_premium": round(prem, 6),
+            "rr_at_up": round(at_up / prem, 4) if prem > 0 else None,
+            "rr_at_down": round(at_dn / prem, 4) if prem > 0 else None,
         },
     }
 

lib/hedge_plan/templates/hedge_plan_panel.html

@@ -301,4 +301,4 @@
     </div>
   </div>
 </div>
-<script src="/static/hedge_plan.js?v=24"></script>
+<script src="/static/hedge_plan.js?v=25"></script>