changes

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

@@ -213,6 +213,7 @@ const RuleEngineFormDialog = ({
       // and the legal units (container → per box/wagon, bulk → per ton/wagon).
       if (name === "cargoKind") {
         next.containerTypeId = "";
+        next.cargoTypeId = "";
         next.rateUnit = "";
       }
       return next;
@@ -339,6 +340,10 @@ const RuleEngineFormDialog = ({
           value={resolveSelectValue(field, values)}
           onChange={(v) => setField(field.name, v === RULE_ENGINE_SELECT_NONE ? "" : v)}
           disabled={selectOptionsLoading}
+          // Native required blocks submit while a mandatory select is empty —
+          // without it the form posts and the API 400s (e.g. a container
+          // customs/lashing rate with no container type picked).
+          required={field.required}
           data={options
             .filter((opt) => opt.value !== "")
             .map((opt) => ({