production

lib/data/api_config.dart

@@ -458,6 +458,48 @@ class ApiConfig {
       // position zero.
       'step': pick(sequenceFieldNames) ?? 0,
 
+      // ── The stamp that says whether `step` means anything ──
+      //
+      // Dropped here until now, which made the whole sequencing contract
+      // unreadable: [RouteOrder.isSequenced] looks for this key and the adapter
+      // never wrote it, so every adapted row looked unsequenced and the app
+      // fell back to nearest-first on routes the hub had actually solved.
+      //
+      // The backend's rule, confirmed 25 Aug: **`sequencedat` is the
+      // authority, not `step`.** Non-null → a route was assigned, follow `step`
+      // exactly. Null → no route, and the fallback is correct. `step: 0` with a
+      // null stamp is not a bug: it is a rider holding fewer than two active
+      // stops, or a stop without coordinates — neither of which is a route.
+      'sequencedat': pick(RouteOrder.sequencedAtKeys),
+
+      // ── The arrival, as the backend records it ──
+      //
+      // Confirmed by the backend team and shipped with their redeploy:
+      // `/reached` writes an arrival **event**, and `GET /miler/bookings`
+      // returns it on the row. There is no `Arrived_At_Pickup` booking status
+      // and there never was — the status stays `Pickup_Scheduled` and the
+      // stamp beside it is what says he is there.
+      //
+      // Carried through here so the rung can be rebuilt from server data alone
+      // after a refresh or a restart, which is the thing the local arrival
+      // record exists to stand in for. See [riderStageOf].
+      'reachedat': pick(const [
+        'reachedat',
+        'reachedAt',
+        'reached_at',
+        'arrivedat',
+      ]),
+      'arrivallatitude': pick(const [
+        'arrivallatitude',
+        'arrivalLatitude',
+        'arrival_latitude',
+      ]),
+      'arrivallongitude': pick(const [
+        'arrivallongitude',
+        'arrivalLongitude',
+        'arrival_longitude',
+      ]),
+
       // ── Which leg this stop is ──
       //
       // Also live, also previously hardcoded: every row came through as