updates on the ui changes and the ai bot implementation

src/utils/distance.js

@@ -6,6 +6,13 @@
  * @param {Object} destination - { latitude, longitude }
  * @returns {Promise<number>} - Round distance in KM
  */
+// Duration from the most recent OSRM route, in minutes, or null when the
+// Haversine fallback was used (a straight-line estimate has no honest
+// duration — better to show nothing than a made-up ETA).
+let lastRouteDurationMin = null;
+
+export const getLastRouteDurationMin = () => lastRouteDurationMin;
+
 export const calculateDrivingDistance = async (origin, destination) => {
   const lat1 = origin?.latitude;
   const lon1 = origin?.longitude;
@@ -26,6 +33,10 @@ export const calculateDrivingDistance = async (origin, destination) => {
       if (data.routes && data.routes.length > 0) {
         const distanceInMeters = data.routes[0].distance;
         const distanceInKm = distanceInMeters / 1000;
+        // OSRM already returns the driving duration alongside the distance;
+        // it was being discarded. Cached here so callers that want an ETA get
+        // a REAL routed figure instead of dividing km by a guessed speed.
+        lastRouteDurationMin = Number.isFinite(data.routes[0].duration) ? Math.round(data.routes[0].duration / 60) : null;
         return Math.round(distanceInKm);
       }
     }
@@ -44,7 +55,9 @@ export const calculateDrivingDistance = async (origin, destination) => {
     Math.sin(dLon / 2) * Math.sin(dLon / 2);
   const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
   const aerialDistance = R * c;
-  
+
+  // No route was fetched, so there is no honest duration to report.
+  lastRouteDurationMin = null;
   return Math.round(aerialDistance * 1.3);
 };