fix

apps/edr-freight-web/backoffice/src/components/ruleEngine/RuleEngineFormDialog.tsx

@@ -176,6 +176,7 @@ const RuleEngineFormDialog = ({
         ) {
           return false;
         }
+        if (field.showIf && !field.showIf(values)) return false;
         return true;
       }),
     [fields, values],
@@ -192,6 +193,22 @@ const RuleEngineFormDialog = ({
       if ((name === "appliesTo" || name === "trigger") && "rateUnit" in current) {
         next.rateUnit = "";
       }
+      // The legal yards depend on what the rate is for and which way it runs, so
+      // a leg picked under the old answer is no longer valid — clear it instead
+      // of submitting a pair the API will reject.
+      if (
+        (name === "appliesTo" || name === "tradeDirection") &&
+        "originYardId" in current
+      ) {
+        next.originYardId = "";
+        next.destinationYardId = "";
+      }
+      // Intercity asks for a container type or a bulk cargo type, never both —
+      // switching kind drops whichever the other kind had filled in.
+      if (name === "intercityKind") {
+        next.containerTypeId = "";
+        next.cargoTypeId = "";
+      }
       return next;
     });
   };