feat: implement manual consolidation candidate selection logic and update related tests

apps/edr-freight-web/backoffice/src/components/contracts/GlCreateBookingForm.tsx

@@ -2007,7 +2007,7 @@ export default function GlCreateBookingForm() {
                       shared wagon — each booking is still priced and invoiced
                       separately.
                     </Text>
-                    <Switch
+                    {/* <Switch
                       checked={consolidateOdd}
                       color="edr-green"
                       label="Share a wagon with another booking"
@@ -2015,7 +2015,7 @@ export default function GlCreateBookingForm() {
                         consolidateTouchedRef.current = true;
                         setConsolidateOdd(e.currentTarget.checked);
                       }}
-                    />
+                    /> */}
                     {consolidateOdd ? (
                       <Group gap={10} align="center" wrap="wrap">
                         <Button

apps/edr-freight-web/backoffice/src/components/contracts/gl-booking-form/ConsolidationPartnerPicker.tsx

@@ -18,8 +18,11 @@ import type { ConsolidationCandidate } from "@/services/contracts.service";
 /**
  * Picker for the booking that shares this booking's wagon. The server has
  * already narrowed the list to bookings that can legally pair — same route and
- * direction, same booking day, customs clearing, an odd 20ft count of their own
- * and not already linked to someone else — so every row here is a valid choice.
+ * direction, customs clearing, an odd 20ft count of their own and not already
+ * linked to someone else — so every row here is a valid choice. Booking day is
+ * deliberately not part of that filter: both halves are completed together onto
+ * the departure date chosen on this form, so the partner's current date is
+ * overwritten either way.
  */
 interface Props {
   opened: boolean;
@@ -55,8 +58,9 @@ export function ConsolidationPartnerPicker({
               Pick the parent booking
             </Text>
             <Text fz="xs" c="dimmed">
-              Customs bookings on the same route and booking day that also carry
-              an odd number of 20ft containers.
+              Customs bookings on the same route that also carry an odd number
+              of 20ft containers. Both halves ride the departure date you pick on
+              this form.
             </Text>
           </Box>
         </Group>
@@ -84,10 +88,9 @@ export function ConsolidationPartnerPicker({
           title="No booking available to share this wagon"
         >
           <Text fz="sm">
-            No other customs booking on this route and booking day currently
-            carries an odd number of 20ft containers. Either wait for one, or
-            switch the shared-wagon option off and book an even number of 20ft
-            containers.
+            No other customs booking on this route currently carries an odd
+            number of 20ft containers. Either wait for one, or switch the
+            shared-wagon option off and book an even number of 20ft containers.
           </Text>
         </Alert>
       ) : (
@@ -116,6 +119,14 @@ export function ConsolidationPartnerPicker({
                     {" · "}
                     {`${candidate.ft20Quantity} × 20ft`}
                   </Text>
+                  {/* The partner's current date, shown because completing the
+                      pair moves it onto the date chosen on this form. */}
+                  {candidate.scheduledDate ? (
+                    <Text fz={12} c="dimmed" mt={2}>
+                      Currently booked for{" "}
+                      {new Date(candidate.scheduledDate).toLocaleDateString()}
+                    </Text>
+                  ) : null}
                 </Box>
                 <Button
                   size="xs"