update booking logic for train schedules and customs contracts

apps/edr-freight-web/portal/src/pages/contracts/ContractDetailPage.tsx

@@ -241,11 +241,10 @@ export default function ContractDetailPage() {
   });
   // Intercity contracts are never window-gated: the shipment rides a passing
   // import/export train that staff assign later, so booking is always open.
-  // GENERAL contracts are also not gated at creation — the booking enters the
-  // per-booking clearance gate first and picks its shipment day at proceed time.
+  // ONE_TIME and GENERAL contracts are both gated — booking is only possible
+  // while a window on the contract's lane is open.
   const bookingWindowOpen =
     contract?.tradeDirection === "DOMESTIC" ||
-    contract?.contractKind === "GENERAL" ||
     hasOpenWindow(bookingWindows);
 
   // Draw-down capacity per cargo line (GENERAL contracts only). The backend

apps/edr-freight-web/portal/src/pages/contracts/NewShipmentPage.tsx

@@ -146,14 +146,12 @@ export default function NewShipmentPage() {
 
   // Coarse gate: if the customer deep-links here while no booking window is
   // open, show the same closed-state notice as the contract page instead of the
-  // form. Still allowed the moment any window isOpenNow. Intercity contracts
-  // are never window-gated — the shipment rides a passing train that staff
-  // pick at finalize time, so booking is always open. GENERAL contracts are not
-  // gated at creation either: the booking enters per-booking clearance first
-  // and picks its shipment day at proceed time.
+  // form. Still allowed the moment any window isOpenNow. Applies to ONE_TIME
+  // and GENERAL alike. Intercity contracts are never window-gated — the
+  // shipment rides a passing train that staff pick at finalize time, so
+  // booking is always open.
   if (
     contract.tradeDirection !== "DOMESTIC" &&
-    contract.contractKind !== "GENERAL" &&
     !hasOpenWindow(bookingWindows)
   ) {
     return (

apps/edr-freight-web/portal/src/pages/contracts/NewShipmentRequestPage.tsx

@@ -61,11 +61,16 @@ export default function NewShipmentRequestPage() {
 
   const isContainer = contract.freightType === "CONTAINER";
   const route = contract.routes?.[0];
+  // GENERAL customs contracts: GL schedules the shipment during clearance —
+  // the customer only states the quantity, never picks a date.
+  const hasCustoms =
+    contract.contractKind === "GENERAL" &&
+    (contract.serviceType?.includesCustoms ?? contract.customsClearingEnabled);
 
   const handleSubmit = () => {
     const dto: Freight.CreateBookingRequestDto = {
       contractRouteId: route?.id,
-      scheduledDate: scheduledDate || undefined,
+      scheduledDate: hasCustoms ? undefined : scheduledDate || undefined,
       notes: notes.trim() || undefined,
     };
 
@@ -104,19 +109,26 @@ export default function NewShipmentRequestPage() {
 
         <Paper withBorder radius="lg" p="xl" style={{ borderColor: BORDER }}>
           <Stack gap="md">
-            <DatePickerInput
-              label="Preferred shipment date"
-              placeholder="Pick a date"
-              leftSection={<CalendarDays size={16} />}
-              minDate={new Date().toISOString().slice(0, 10)}
-              value={scheduledDate || null}
-              onChange={(v) => setScheduledDate(v ?? "")}
-              radius="md"
-              popoverProps={{ withinPortal: true }}
-            />
+            {!hasCustoms && (
+              <DatePickerInput
+                label="Preferred shipment date"
+                placeholder="Pick a date"
+                leftSection={<CalendarDays size={16} />}
+                minDate={new Date().toISOString().slice(0, 10)}
+                value={scheduledDate || null}
+                onChange={(v) => setScheduledDate(v ?? "")}
+                radius="md"
+                popoverProps={{ withinPortal: true }}
+              />
+            )}
 
             <NumberInput
               label={isContainer ? "Number of containers" : "Cargo weight (tons)"}
+              description={
+                hasCustoms
+                  ? "Global Logistics schedules the shipment date during customs clearance — you only state the quantity."
+                  : undefined
+              }
               value={quantity}
               onChange={setQuantity}
               min={1}