fix: guard against ship in transit exception?

Not sure what is causing this.  Might be 500s on the server side, or might be incorrect local predictions?

packages/cli/lib/nav/navigation.dart

@@ -358,15 +358,26 @@ Future<NavResult> continueNavigationIfNeeded(
           }
         }
       }
-      return NavResult._wait(
-        await navigateToLocalWaypointAndLog(
+      final DateTime waitUntil;
+      try {
+        waitUntil = await navigateToLocalWaypointAndLog(
           db,
           api,
           caches.systems,
           ship,
           actionEnd,
-        ),
-      );
+        );
+      } on ApiException catch (e) {
+        if (isShipInTransitException(e)) {
+          shipErr(ship, 'Ship is in transit, cannot navigate');
+          throw const JobException(
+            'Already in transit!?',
+            Duration(minutes: 10),
+          );
+        }
+        rethrow;
+      }
+      return NavResult._wait(waitUntil);
     case RouteActionType.navDrift:
       return NavResult._wait(
         await navigateToLocalWaypointAndLog(

packages/cli/lib/net/exceptions.dart

@@ -197,3 +197,13 @@ int? neededCreditsFromPurchaseShipException(ApiException e) {
 bool isConstructionRequirementsMet(ApiException e) {
   return isAPIExceptionWithCode(e, 4801);
 }
+
+// ApiException 400: {"error":{"message":"Ship is currently in-transit from
+// X1-TA36-C36 to X1-TA36-C37 and arrives in 26 seconds.","code":4214,
+// "data":{"departureSymbol":"X1-TA36-C36","destinationSymbol":"X1-TA36-C37",
+// "arrival":"2024-03-14T03:15:02.404Z","departureTime":
+// "2024-03-14T03:14:35.404Z","secondsToArrival":26}}}
+/// Returns true if the exception is a ship in transit exception.
+bool isShipInTransitException(ApiException e) {
+  return isAPIExceptionWithCode(e, 4214);
+}