feat: add multiroom tracking to booking flow

apps/scandic-web/server/routers/hotels/input.ts

@@ -26,21 +26,25 @@ export const getHotelsByHotelIdsAvailabilityInputSchema = z.object({
 })
 
 export const roomsCombinedAvailabilityInputSchema = z.object({
-  hotelId: z.number(),
-  roomStayStartDate: z.string(),
-  roomStayEndDate: z.string(),
-  uniqueAdultsCount: z.array(z.number()),
+  adultsCount: z.array(z.number()),
+  bookingCode: z.string().optional(),
   childArray: z
     .array(
-      z.object({
-        bed: z.nativeEnum(ChildBedMapEnum),
-        age: z.number(),
-      })
+      z
+        .array(
+          z.object({
+            age: z.number(),
+            bed: z.nativeEnum(ChildBedMapEnum),
+          })
+        )
+        .nullable()
     )
-    .optional(),
-  bookingCode: z.string().optional(),
-  rateCode: z.string().optional(),
+    .nullish(),
+  hotelId: z.number(),
   lang: z.nativeEnum(Lang),
+  rateCode: z.string().optional(),
+  roomStayEndDate: z.string(),
+  roomStayStartDate: z.string(),
 })
 
 export const selectedRoomAvailabilityInputSchema = z.object({