fix

src/calculation_target_reliability/service.py

@@ -308,7 +308,7 @@ async def identify_worst_eaf_contributors(
         # Add actionable recommendation
         recommendation_msg = (
             f"To achieve the target EAF, consider reducing planned outage by approximately "
-            f"{required_cut_hours:.1f} hours (from {reduced_outage:.0f}h → {reduced_outage - required_cut_hours:.0f}h)."
+            f"{required_cut_hours:.1f} hours or {int(required_cut_hours/24)} days (from {reduced_outage:.0f}h → {reduced_outage - required_cut_hours:.0f}h)."
         )
 
         if warning_message: