enhance contract document rendering with detailed cargo information

- Updated ContractDocumentViewModelBuilder to include cargoTypeName, containerType, and cargoSummary in the schedule.
- Modified contract dynamic template tests to validate the new cargo fields.
- Enhanced contract renderer service tests to reflect changes in cargo data structure.
- Updated contract view model interface to include new cargo-related fields.
- Improved dynamic template rendering to display cargo type and container type.
- Refactored exchange settings controller and service to streamline error handling and feed status management.
- Introduced article HTML conversion functions to support Quill editor integration for structured article editing.
- Added tests for article HTML conversion to ensure correct round-trip processing of clauses and bullets.

apps/edr-freight-web/backoffice/src/pages/ruleEngine/RuleEngineResourcePage.tsx

@@ -222,10 +222,10 @@ const RuleEngineResourcePage = () => {
   // instead of mutating: the rate keeps its current value until an approver
   // applies the change. DRAFT rates still edit directly.
   const isRates = config?.slug === "rates";
-  const [rateError, setRateError] = useState<string | null>(null);
+  // No error modal here: the workflow falls back to a toast when no handler is
+  // passed, which keeps failures visible without a dialog to dismiss.
   const rateChangeWorkflow = useRateChangeWorkflow(
     Boolean(isRates && canView),
-    setRateError,
   );
   const canApproveRates = Boolean(isRates && canApproveRuleEngineChange(user, "rates"));
   /** rateId → its pending change, for the row badge. */
@@ -265,8 +265,10 @@ const RuleEngineResourcePage = () => {
     useCargoTypeParentOptions(editingId, config?.slug === "cargo-types");
   const { data: cargoLeafOptions, isLoading: cargoLeafOptionsLoading } =
     useCargoLeafOptions(usesCargoTypeField);
+  // No "None" on rates: a rate's container scope is either a real type or the
+  // field is hidden entirely, so offering None only invites an unscoped rate.
   const { data: containerTypeOptions, isLoading: containerTypeOptionsLoading } =
-    useContainerTypeOptions(config?.slug === "rates", usesContainerTypeField);
+    useContainerTypeOptions(false, usesContainerTypeField);
   const { data: liveRateOptions, isLoading: liveRateOptionsLoading } =
     useLiveRateOptions(usesLiveRateField);
   const { data: wagonTypeOptions, isLoading: wagonTypeOptionsLoading } =
@@ -695,22 +697,6 @@ const RuleEngineResourcePage = () => {
         />
       ) : null}
 
-      <Modal
-        opened={rateError != null}
-        onClose={() => setRateError(null)}
-        title="Cannot save rate change"
-        centered
-      >
-        <Text size="sm" c="red">
-          {rateError}
-        </Text>
-        <Group justify="flex-end" mt="md">
-          <Button variant="light" onClick={() => setRateError(null)}>
-            Close
-          </Button>
-        </Group>
-      </Modal>
-
       <Modal
         opened={priorityError != null}
         onClose={() => setPriorityError(null)}