more fancy features

README.md

@@ -55,11 +55,9 @@ err = cartService.ReserveForCart(ctx, inventory.CartReserveRequest{
 // Get available inventory (accounting for reservations)
 available, err := cartService.GetAvailableInventory(ctx, "item1", "warehouse1")
 
-// Get reservation status and remaining time
-active, remaining, err := cartService.GetReservationStatus(ctx, "item1", "warehouse1", "cart123")
-if active {
-    fmt.Printf("Reservation active, %v remaining\n", remaining)
-}
+// Get reservation summary for an item
+summary, err := cartService.GetReservationSummary(ctx, "item1", "warehouse1")
+fmt.Printf("Reservations: %d, Next release: %v, Remaining: %d\n", summary.ReservationCount, summary.EarliestRelease, summary.RemainingItems)
 ```
 
 ## Dependencies