updates on the ui design and desing updates

src/pages/api/api.js

@@ -611,6 +611,20 @@ export const fetchDeliveries = async ({ pageParam = 1, queryKey }) => {
       deliverytype: customer ? 'B' : 'C',
       orderdate: b.createdat,
       deliverydate: b.serviceoptions?.[0]?.estimateddeliveryat || b.updatedat,
+      // ⚠ NOT a real assignment time. The Doormile bookings feed has no
+      // assignment timestamp (the true one lives on `bookingassignments`,
+      // reachable only per-booking via GET /admin/bookings/:id/track), so this
+      // is the booking's last-modified column. It moves every time ANYTHING
+      // touches the row — status change, parcel scan, payment, pickup-complete.
+      //
+      // **Never bucket or group by this field.** Dispatch.js and deliveries.js
+      // used to bucket their Morning/Afternoon/Evening batches on it, which
+      // meant an order re-stamped during the evening silently jumped out of the
+      // batch it was actually assigned to and into whichever window contained
+      // the current clock time — the same orders appearing under Afternoon and
+      // then Evening on the same day. Both now bucket on
+      // `expecteddeliverytime`, which is stable. It remains fine to DISPLAY
+      // this as a "last updated" stamp, which is all the reports use it for.
       assigntime: b.updatedat,
       orderstatus: mapBookingStatusToDeliveryStatus(b.status),
       droplat: b.deliverylatitude,