booking create: manage booking rates flow

AGENTS.md

@@ -63,7 +63,7 @@ Response: List of BookingListItem with id, status, guestId, source, times, count
 ### Check-in (creates RoomStay)
 
 POST /properties/{propertyId}/bookings/{bookingId}/check-in
-Auth: ADMIN/MANAGER/STAFF
+Auth: ADMIN/MANAGER
 
 Body
 Required:
@@ -75,7 +75,7 @@ Optional:
 - checkInAt (String)
 - transportMode (String enum)
 - nightlyRate (Long)
-- rateSource (PRESET|NEGOTIATED|OTA)
+- rateSource (MANUAL|RATE_PLAN|OTA)
 - ratePlanCode (String)
 - currency (String)
 - notes (String)
@@ -84,8 +84,8 @@ Optional:
   "roomIds": ["uuid1","uuid2"],
   "checkInAt": "2026-01-28T12:00:00+05:30",
   "nightlyRate": 2500,
-  "rateSource": "NEGOTIATED",
+  "rateSource": "MANUAL",
-  "ratePlanCode": "WEEKEND",
+  "ratePlanCode": "EP",
   "currency": "INR",
   "notes": "Late arrival"
 }
@@ -95,7 +95,7 @@ Optional:
 ### Pre-assign room stay
 
 POST /properties/{propertyId}/bookings/{bookingId}/room-stays
-Auth: ADMIN/MANAGER/STAFF
+Auth: ADMIN/MANAGER
 
 Body
 Required:
@@ -107,7 +107,7 @@ Required:
 Optional:
 
 - nightlyRate (Long)
-- rateSource (PRESET|NEGOTIATED|OTA)
+- rateSource (MANUAL|RATE_PLAN|OTA)
 - ratePlanCode (String)
 - currency (String)
 - notes (String)
@@ -117,13 +117,63 @@ Optional:
   "fromAt": "2026-01-29T12:00:00+05:30",
   "toAt": "2026-01-30T10:00:00+05:30",
   "nightlyRate": 2800,
-  "rateSource": "PRESET",
+  "rateSource": "RATE_PLAN",
-  "ratePlanCode": "WEEKEND",
+  "ratePlanCode": "EP",
   "currency": "INR"
 }
 
 ---
 
+### Active room stays
+
+GET /properties/{propertyId}/room-stays/active
+Auth: any member except AGENT-only
+
+Response: list of ActiveRoomStayResponse
+
+[
+  {
+    "roomStayId":"uuid",
+    "bookingId":"uuid",
+    "guestId":"uuid-or-null",
+    "guestName":"Name",
+    "guestPhone":"+9111...",
+    "roomId":"uuid",
+    "roomNumber":"101",
+    "roomTypeName":"DELUXE",
+    "fromAt":"2026-01-29T12:00:00+05:30",
+    "checkinAt":"2026-01-29T12:05:00+05:30",
+    "expectedCheckoutAt":"2026-01-30T10:00:00+05:30"
+  }
+]
+
+---
+
+### Change room (move guest)
+
+POST /properties/{propertyId}/room-stays/{roomStayId}/change-room
+Auth: ADMIN/MANAGER/STAFF
+
+Body
+
+{
+  "newRoomId":"uuid",
+  "movedAt":"2026-01-30T15:00:00+05:30",
+  "idempotencyKey":"any-unique-string"
+}
+
+Response
+
+{
+  "oldRoomStayId":"uuid",
+  "newRoomStayId":"uuid",
+  "oldRoomId":"uuid",
+  "newRoomId":"uuid",
+  "movedAt":"2026-01-30T15:00:00+05:30"
+}
+
+---
+
 ## 2) Guests
 
 ### Create guest + link to booking
@@ -310,7 +360,7 @@ Required:
 
 - effectiveAt (String, ISO-8601)
 - nightlyRate (Long)
-- rateSource (PRESET|NEGOTIATED|OTA)
+- rateSource (MANUAL|RATE_PLAN|OTA)
 
 Optional:
 
@@ -320,7 +370,7 @@ Optional:
 {
   "effectiveAt": "2026-01-30T12:00:00+05:30",
   "nightlyRate": 2000,
-  "rateSource": "NEGOTIATED",
+  "rateSource": "MANUAL",
   "currency": "INR"
 }
 
@@ -330,6 +380,57 @@ Response
 
 ---
 
+### Check-out (closes all active stays on booking)
+
+POST /properties/{propertyId}/bookings/{bookingId}/check-out
+Auth: ADMIN/MANAGER
+
+Body
+
+{ "checkOutAt":"2026-01-30T10:00:00+05:30", "notes":"optional" }
+
+Response: 204 No Content
+
+---
+
+### Bulk check-in (creates multiple room stays)
+
+POST /properties/{propertyId}/bookings/{bookingId}/check-in/bulk
+
+Body:
+
+{
+  "stays": [
+    {
+      "roomId": "uuid",
+      "checkInAt": "2026-01-29T12:00:00+05:30",
+      "checkOutAt": "2026-01-30T10:00:00+05:30",
+      "nightlyRate": 6000,
+      "rateSource": "MANUAL",
+      "ratePlanCode": "EP",
+      "currency": "INR"
+    },
+    {
+      "roomId": "uuid",
+      "checkInAt": "2026-01-29T12:00:00+05:30",
+      "checkOutAt": "2026-01-30T10:00:00+05:30",
+      "nightlyRate": 8000,
+      "rateSource": "MANUAL",
+      "ratePlanCode": "EP",
+      "currency": "INR"
+    }
+  ]
+}
+
+Behavior
+
+- Creates one RoomStay per stay with its own rate.
+- Sets booking CHECKED_IN, checkinAt = earliest stay check-in.
+- If any checkOutAt provided, booking expectedCheckoutAt = latest of those.
+- Rejects duplicate room IDs.
+- Rejects invalid stay date range (checkOutAt <= checkInAt).
+- Blocks occupied rooms.
+
 ## 6) Payments + Balance
 
 ### Add payment

app/src/main/java/com/android/trisolarispms/MainActivity.kt

@@ -18,6 +18,9 @@ import com.android.trisolarispms.ui.auth.UnauthorizedScreen
 import com.android.trisolarispms.ui.booking.BookingCreateScreen
 import com.android.trisolarispms.ui.guest.GuestInfoScreen
 import com.android.trisolarispms.ui.guest.GuestSignatureScreen
+import com.android.trisolarispms.ui.roomstay.ManageRoomStayRatesScreen
+import com.android.trisolarispms.ui.roomstay.ManageRoomStaySelectScreen
+import com.android.trisolarispms.ui.roomstay.ManageRoomStaySelection
 import com.android.trisolarispms.ui.home.HomeScreen
 import com.android.trisolarispms.ui.property.AddPropertyScreen
 import com.android.trisolarispms.ui.room.RoomFormScreen
@@ -65,6 +68,7 @@ class MainActivity : ComponentActivity() {
                     val selectedGuest = remember { mutableStateOf<com.android.trisolarispms.data.api.model.GuestDto?>(null) }
                     val selectedGuestPhone = remember { mutableStateOf<String?>(null) }
                     val selectedImageTag = remember { mutableStateOf<com.android.trisolarispms.data.api.model.RoomImageTagDto?>(null) }
+                    val selectedManageRooms = remember { mutableStateOf<List<ManageRoomStaySelection>>(emptyList()) }
                     val roomFormKey = remember { mutableStateOf(0) }
                     val amenitiesReturnRoute = remember { mutableStateOf<AppRoute>(AppRoute.Home) }
                     val currentRoute = route.value
@@ -117,6 +121,27 @@ class MainActivity : ComponentActivity() {
                                 currentRoute.bookingId,
                                 currentRoute.guestId
                             )
+                            is AppRoute.ManageRoomStaySelect -> route.value = AppRoute.ActiveRoomStays(
+                                currentRoute.propertyId,
+                                selectedPropertyName.value ?: "Property"
+                            )
+                            is AppRoute.ManageRoomStayRates -> route.value = AppRoute.ManageRoomStaySelect(
+                                currentRoute.propertyId,
+                                currentRoute.bookingId,
+                                currentRoute.fromAt,
+                                currentRoute.toAt
+                            )
+                            is AppRoute.ManageRoomStaySelectFromBooking -> route.value = AppRoute.ActiveRoomStays(
+                                currentRoute.propertyId,
+                                selectedPropertyName.value ?: "Property"
+                            )
+                            is AppRoute.ManageRoomStayRatesFromBooking -> route.value = AppRoute.ManageRoomStaySelectFromBooking(
+                                currentRoute.propertyId,
+                                currentRoute.bookingId,
+                                currentRoute.guestId,
+                                currentRoute.fromAt,
+                                currentRoute.toAt
+                            )
                         }
                     }
 
@@ -160,8 +185,17 @@ class MainActivity : ComponentActivity() {
                                 val guestId = (guest?.id ?: response.guestId).orEmpty()
                                 selectedGuest.value = guest
                                 selectedGuestPhone.value = phone
-                                if (bookingId.isNotBlank()) {
+                                if (bookingId.isNotBlank() && guestId.isNotBlank()) {
-                                    route.value = AppRoute.GuestInfo(currentRoute.propertyId, bookingId, guestId)
+                                    val fromAt = response.checkInAt?.takeIf { it.isNotBlank() }
+                                        ?: response.expectedCheckInAt.orEmpty()
+                                    val toAt = response.expectedCheckOutAt?.takeIf { it.isNotBlank() }
+                                    route.value = AppRoute.ManageRoomStaySelectFromBooking(
+                                        propertyId = currentRoute.propertyId,
+                                        bookingId = bookingId,
+                                        guestId = guestId,
+                                        fromAt = fromAt,
+                                        toAt = toAt
+                                    )
                                 } else {
                                     route.value = AppRoute.Home
                                 }
@@ -203,7 +237,106 @@ class MainActivity : ComponentActivity() {
                             propertyName = currentRoute.propertyName,
                             onBack = { route.value = AppRoute.Home },
                             onViewRooms = { route.value = AppRoute.Rooms(currentRoute.propertyId) },
-                            onCreateBooking = { route.value = AppRoute.CreateBooking(currentRoute.propertyId) }
+                            onCreateBooking = { route.value = AppRoute.CreateBooking(currentRoute.propertyId) },
+                            onManageRoomStay = { booking ->
+                                val fromAt = booking.checkInAt?.takeIf { it.isNotBlank() }
+                                    ?: booking.expectedCheckInAt.orEmpty()
+                                val toAt = booking.expectedCheckOutAt?.takeIf { it.isNotBlank() }
+                                    ?: booking.checkOutAt?.takeIf { it.isNotBlank() }
+                                if (fromAt.isNotBlank()) {
+                                    route.value = AppRoute.ManageRoomStaySelect(
+                                        propertyId = currentRoute.propertyId,
+                                        bookingId = booking.id.orEmpty(),
+                                        fromAt = fromAt,
+                                        toAt = toAt
+                                    )
+                                }
+                            }
+                        )
+                        is AppRoute.ManageRoomStaySelect -> ManageRoomStaySelectScreen(
+                            propertyId = currentRoute.propertyId,
+                            bookingFromAt = currentRoute.fromAt,
+                            bookingToAt = currentRoute.toAt,
+                            onBack = {
+                                route.value = AppRoute.ActiveRoomStays(
+                                    currentRoute.propertyId,
+                                    selectedPropertyName.value ?: "Property"
+                                )
+                            },
+                            onNext = { rooms ->
+                                selectedManageRooms.value = rooms
+                                route.value = AppRoute.ManageRoomStayRates(
+                                    propertyId = currentRoute.propertyId,
+                                    bookingId = currentRoute.bookingId,
+                                    fromAt = currentRoute.fromAt,
+                                    toAt = currentRoute.toAt
+                                )
+                            }
+                        )
+                        is AppRoute.ManageRoomStaySelectFromBooking -> ManageRoomStaySelectScreen(
+                            propertyId = currentRoute.propertyId,
+                            bookingFromAt = currentRoute.fromAt,
+                            bookingToAt = currentRoute.toAt,
+                            onBack = {
+                                route.value = AppRoute.ActiveRoomStays(
+                                    currentRoute.propertyId,
+                                    selectedPropertyName.value ?: "Property"
+                                )
+                            },
+                            onNext = { rooms ->
+                                selectedManageRooms.value = rooms
+                                route.value = AppRoute.ManageRoomStayRatesFromBooking(
+                                    propertyId = currentRoute.propertyId,
+                                    bookingId = currentRoute.bookingId,
+                                    guestId = currentRoute.guestId,
+                                    fromAt = currentRoute.fromAt,
+                                    toAt = currentRoute.toAt
+                                )
+                            }
+                        )
+                        is AppRoute.ManageRoomStayRates -> ManageRoomStayRatesScreen(
+                            propertyId = currentRoute.propertyId,
+                            bookingId = currentRoute.bookingId,
+                            checkInAt = currentRoute.fromAt,
+                            checkOutAt = currentRoute.toAt,
+                            selectedRooms = selectedManageRooms.value,
+                            onBack = {
+                                route.value = AppRoute.ManageRoomStaySelect(
+                                    currentRoute.propertyId,
+                                    currentRoute.bookingId,
+                                    currentRoute.fromAt,
+                                    currentRoute.toAt
+                                )
+                            },
+                            onDone = {
+                                route.value = AppRoute.ActiveRoomStays(
+                                    currentRoute.propertyId,
+                                    selectedPropertyName.value ?: "Property"
+                                )
+                            }
+                        )
+                        is AppRoute.ManageRoomStayRatesFromBooking -> ManageRoomStayRatesScreen(
+                            propertyId = currentRoute.propertyId,
+                            bookingId = currentRoute.bookingId,
+                            checkInAt = currentRoute.fromAt,
+                            checkOutAt = currentRoute.toAt,
+                            selectedRooms = selectedManageRooms.value,
+                            onBack = {
+                                route.value = AppRoute.ManageRoomStaySelectFromBooking(
+                                    currentRoute.propertyId,
+                                    currentRoute.bookingId,
+                                    currentRoute.guestId,
+                                    currentRoute.fromAt,
+                                    currentRoute.toAt
+                                )
+                            },
+                            onDone = {
+                                route.value = AppRoute.GuestInfo(
+                                    currentRoute.propertyId,
+                                    currentRoute.bookingId,
+                                    currentRoute.guestId
+                                )
+                            }
                         )
                         is AppRoute.Rooms -> RoomsScreen(
                             propertyId = currentRoute.propertyId,

app/src/main/java/com/android/trisolarispms/data/api/BookingApi.kt

@@ -9,11 +9,15 @@ import com.android.trisolarispms.data.api.model.BookingCreateResponse
 import com.android.trisolarispms.data.api.model.BookingLinkGuestRequest
 import com.android.trisolarispms.data.api.model.BookingNoShowRequest
 import com.android.trisolarispms.data.api.model.BookingRoomStayCreateRequest
+import com.android.trisolarispms.data.api.model.BookingListItem
+import com.android.trisolarispms.data.api.model.BookingBulkCheckInRequest
 import com.android.trisolarispms.data.api.model.RoomStayDto
 import retrofit2.Response
 import retrofit2.http.Body
+import retrofit2.http.GET
 import retrofit2.http.POST
 import retrofit2.http.Path
+import retrofit2.http.Query
 
 interface BookingApi {
     @POST("properties/{propertyId}/bookings")
@@ -22,6 +26,19 @@ interface BookingApi {
         @Body body: BookingCreateRequest
     ): Response<BookingCreateResponse>
 
+    @GET("properties/{propertyId}/bookings")
+    suspend fun listBookings(
+        @Path("propertyId") propertyId: String,
+        @Query("status") status: String? = null
+    ): Response<List<BookingListItem>>
+
+    @POST("properties/{propertyId}/bookings/{bookingId}/check-in/bulk")
+    suspend fun bulkCheckIn(
+        @Path("propertyId") propertyId: String,
+        @Path("bookingId") bookingId: String,
+        @Body body: BookingBulkCheckInRequest
+    ): Response<Unit>
+
     @POST("properties/{propertyId}/bookings/{bookingId}/link-guest")
     suspend fun linkGuest(
         @Path("propertyId") propertyId: String,

app/src/main/java/com/android/trisolarispms/data/api/RoomApi.kt

@@ -2,6 +2,7 @@ package com.android.trisolarispms.data.api
 
 import com.android.trisolarispms.data.api.model.RoomAvailabilityRangeResponse
 import com.android.trisolarispms.data.api.model.RoomAvailabilityResponse
+import com.android.trisolarispms.data.api.model.RoomAvailableRateResponse
 import com.android.trisolarispms.data.api.model.RoomBoardDto
 import com.android.trisolarispms.data.api.model.RoomCreateRequest
 import com.android.trisolarispms.data.api.model.RoomDto
@@ -62,6 +63,14 @@ interface RoomApi {
         @Path("propertyId") propertyId: String
     ): Response<List<RoomDto>>
 
+    @GET("properties/{propertyId}/rooms/available-range-with-rate")
+    suspend fun listAvailableRoomsWithRate(
+        @Path("propertyId") propertyId: String,
+        @Query("from") from: String,
+        @Query("to") to: String,
+        @Query("ratePlanCode") ratePlanCode: String? = null
+    ): Response<List<RoomAvailableRateResponse>>
+
     @GET("properties/{propertyId}/rooms/by-type/{roomTypeCode}")
     suspend fun listRoomsByType(
         @Path("propertyId") propertyId: String,

app/src/main/java/com/android/trisolarispms/data/api/model/BookingModels.kt

@@ -30,6 +30,38 @@ data class BookingCreateResponse(
     val expectedCheckOutAt: String? = null
 )
 
+data class BookingListItem(
+    val id: String? = null,
+    val status: String? = null,
+    val guestId: String? = null,
+    val source: String? = null,
+    val checkInAt: String? = null,
+    val checkOutAt: String? = null,
+    val expectedCheckInAt: String? = null,
+    val expectedCheckOutAt: String? = null,
+    val adultCount: Int? = null,
+    val childCount: Int? = null,
+    val maleCount: Int? = null,
+    val femaleCount: Int? = null,
+    val totalGuestCount: Int? = null,
+    val expectedGuestCount: Int? = null,
+    val notes: String? = null
+)
+
+data class BookingBulkCheckInRequest(
+    val stays: List<BookingBulkCheckInStayRequest>
+)
+
+data class BookingBulkCheckInStayRequest(
+    val roomId: String,
+    val checkInAt: String,
+    val checkOutAt: String? = null,
+    val nightlyRate: Long? = null,
+    val rateSource: String? = null,
+    val ratePlanCode: String? = null,
+    val currency: String? = null
+)
+
 data class BookingLinkGuestRequest(
     val guestId: String
 )

app/src/main/java/com/android/trisolarispms/data/api/model/RoomModels.kt

@@ -52,6 +52,16 @@ data class RoomAvailabilityRangeResponse(
     val freeCount: Int? = null
 )
 
+data class RoomAvailableRateResponse(
+    val roomId: String? = null,
+    val roomNumber: Int? = null,
+    val roomTypeCode: String? = null,
+    val roomTypeName: String? = null,
+    val averageRate: Double? = null,
+    val currency: String? = null,
+    val ratePlanCode: String? = null
+)
+
 // Images
 
 data class ImageDto(

app/src/main/java/com/android/trisolarispms/ui/AppRoute.kt

@@ -5,6 +5,32 @@ sealed interface AppRoute {
     data class CreateBooking(val propertyId: String) : AppRoute
     data class GuestInfo(val propertyId: String, val bookingId: String, val guestId: String) : AppRoute
     data class GuestSignature(val propertyId: String, val bookingId: String, val guestId: String) : AppRoute
+    data class ManageRoomStaySelect(
+        val propertyId: String,
+        val bookingId: String,
+        val fromAt: String,
+        val toAt: String?
+    ) : AppRoute
+    data class ManageRoomStayRates(
+        val propertyId: String,
+        val bookingId: String,
+        val fromAt: String,
+        val toAt: String?
+    ) : AppRoute
+    data class ManageRoomStaySelectFromBooking(
+        val propertyId: String,
+        val bookingId: String,
+        val guestId: String,
+        val fromAt: String,
+        val toAt: String?
+    ) : AppRoute
+    data class ManageRoomStayRatesFromBooking(
+        val propertyId: String,
+        val bookingId: String,
+        val guestId: String,
+        val fromAt: String,
+        val toAt: String?
+    ) : AppRoute
     data object AddProperty : AppRoute
     data class ActiveRoomStays(val propertyId: String, val propertyName: String) : AppRoute
     data class Rooms(val propertyId: String) : AppRoute

app/src/main/java/com/android/trisolarispms/ui/roomstay/ActiveRoomStaysScreen.kt

@@ -7,10 +7,17 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.foundation.clickable
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.MeetingRoom
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.FloatingActionButton
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -19,15 +26,19 @@ import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.android.trisolarispms.data.api.model.BookingListItem
 
 @Composable
 @OptIn(ExperimentalMaterial3Api::class)
@@ -37,9 +48,11 @@ fun ActiveRoomStaysScreen(
     onBack: () -> Unit,
     onViewRooms: () -> Unit,
     onCreateBooking: () -> Unit,
+    onManageRoomStay: (BookingListItem) -> Unit,
     viewModel: ActiveRoomStaysViewModel = viewModel()
 ) {
     val state by viewModel.state.collectAsState()
+    val selectedBooking = remember { mutableStateOf<BookingListItem?>(null) }
 
     LaunchedEffect(propertyId) {
         viewModel.load(propertyId)
@@ -88,6 +101,25 @@ fun ActiveRoomStaysScreen(
         }
 
             if (!state.isLoading && state.error == null) {
+                if (state.checkedInBookings.isNotEmpty()) {
+                    Text(text = "Checked-in bookings", style = MaterialTheme.typography.titleMedium)
+                    Spacer(modifier = Modifier.height(8.dp))
+                    LazyVerticalGrid(
+                        columns = GridCells.Fixed(2),
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                        verticalArrangement = Arrangement.spacedBy(12.dp)
+                    ) {
+                        items(state.checkedInBookings) { booking ->
+                            CheckedInBookingCard(
+                                booking = booking,
+                                onClick = { selectedBooking.value = booking }
+                            )
+                        }
+                    }
+                    Spacer(modifier = Modifier.height(16.dp))
+                }
+
                 if (state.items.isEmpty()) {
                     Text(text = "No active room stays")
                 } else {
@@ -108,4 +140,70 @@ fun ActiveRoomStaysScreen(
             }
         }
     }
+
+    selectedBooking.value?.let { booking ->
+        AlertDialog(
+            onDismissRequest = { selectedBooking.value = null },
+            text = {
+                Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                    TextButton(
+                        onClick = {
+                            selectedBooking.value = null
+                            onManageRoomStay(booking)
+                        }
+                    ) {
+                        Text("Manage room stay")
+                    }
+                    TextButton(onClick = { selectedBooking.value = null }) {
+                        Text("Balance")
+                    }
+                    TextButton(onClick = { selectedBooking.value = null }) {
+                        Text("Add photos")
+                    }
+                    TextButton(onClick = { selectedBooking.value = null }) {
+                        Text("Checkout")
+                    }
+                }
+            },
+            confirmButton = {},
+            dismissButton = {}
+        )
+    }
+}
+
+@Composable
+private fun CheckedInBookingCard(
+    booking: BookingListItem,
+    onClick: () -> Unit
+) {
+    Card(
+        colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surfaceVariant),
+        modifier = Modifier.clickable(onClick = onClick)
+    ) {
+        Column(modifier = Modifier.padding(12.dp)) {
+            Text(
+                text = booking.id?.take(8)?.let { "Booking #$it" } ?: "Booking",
+                style = MaterialTheme.typography.titleSmall
+            )
+            val source = booking.source?.takeIf { it.isNotBlank() }
+            if (source != null) {
+                Text(text = source, style = MaterialTheme.typography.bodySmall)
+            }
+            val expectedCount = booking.expectedGuestCount
+            val totalCount = booking.totalGuestCount
+            val countLine = when {
+                expectedCount != null -> "Expected guests: $expectedCount"
+                totalCount != null -> "Guests: $totalCount"
+                else -> null
+            }
+            if (countLine != null) {
+                Text(text = countLine, style = MaterialTheme.typography.bodySmall)
+            }
+            val notes = booking.notes?.takeIf { it.isNotBlank() }
+            if (notes != null) {
+                Spacer(modifier = Modifier.height(6.dp))
+                Text(text = notes, style = MaterialTheme.typography.bodySmall)
+            }
+        }
+    }
 }

app/src/main/java/com/android/trisolarispms/ui/roomstay/ActiveRoomStaysState.kt

@@ -1,9 +1,11 @@
 package com.android.trisolarispms.ui.roomstay
 
 import com.android.trisolarispms.data.api.model.ActiveRoomStayDto
+import com.android.trisolarispms.data.api.model.BookingListItem
 
 data class ActiveRoomStaysState(
     val isLoading: Boolean = false,
     val error: String? = null,
-    val items: List<ActiveRoomStayDto> = emptyList()
+    val items: List<ActiveRoomStayDto> = emptyList(),
+    val checkedInBookings: List<BookingListItem> = emptyList()
 )

app/src/main/java/com/android/trisolarispms/ui/roomstay/ActiveRoomStaysViewModel.kt

@@ -18,17 +18,19 @@ class ActiveRoomStaysViewModel : ViewModel() {
             _state.update { it.copy(isLoading = true, error = null) }
             try {
                 val api = ApiClient.create()
-                val response = api.listActiveRoomStays(propertyId)
+                val activeResponse = api.listActiveRoomStays(propertyId)
-                if (response.isSuccessful) {
+                val bookingsResponse = api.listBookings(propertyId, status = "CHECKED_IN")
+                if (activeResponse.isSuccessful) {
                     _state.update {
                         it.copy(
                             isLoading = false,
-                            items = response.body().orEmpty(),
+                            items = activeResponse.body().orEmpty(),
+                            checkedInBookings = bookingsResponse.body().orEmpty(),
                             error = null
                         )
                     }
                 } else {
-                    _state.update { it.copy(isLoading = false, error = "Load failed: ${response.code()}") }
+                    _state.update { it.copy(isLoading = false, error = "Load failed: ${activeResponse.code()}") }
                 }
             } catch (e: Exception) {
                 _state.update { it.copy(isLoading = false, error = e.localizedMessage ?: "Load failed") }

app/src/main/java/com/android/trisolarispms/ui/roomstay/ManageRoomStayModels.kt

@@ -0,0 +1,19 @@
+package com.android.trisolarispms.ui.roomstay
+
+data class ManageRoomStaySelection(
+    val roomId: String,
+    val roomNumber: Int,
+    val roomTypeName: String,
+    val averageRate: Double?,
+    val currency: String?,
+    val ratePlanCode: String?
+)
+
+data class ManageRoomStayRateItem(
+    val roomId: String,
+    val roomNumber: Int,
+    val roomTypeName: String,
+    val nightlyRate: Long,
+    val currency: String?,
+    val ratePlanCode: String?
+)

app/src/main/java/com/android/trisolarispms/ui/roomstay/ManageRoomStayRatesScreen.kt

@@ -0,0 +1,172 @@
+package com.android.trisolarispms.ui.roomstay
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.compose.foundation.text.KeyboardOptions
+
+@Composable
+@OptIn(ExperimentalMaterial3Api::class)
+fun ManageRoomStayRatesScreen(
+    propertyId: String,
+    bookingId: String,
+    checkInAt: String,
+    checkOutAt: String?,
+    selectedRooms: List<ManageRoomStaySelection>,
+    onBack: () -> Unit,
+    onDone: () -> Unit,
+    viewModel: ManageRoomStayRatesViewModel = viewModel()
+) {
+    val state by viewModel.state.collectAsState()
+    val showTotalDialog = remember { mutableStateOf(false) }
+    val totalInput = remember { mutableStateOf("") }
+
+    LaunchedEffect(selectedRooms) {
+        viewModel.setItems(selectedRooms)
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Selected Rooms") },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.AutoMirrored.Default.ArrowBack, contentDescription = "Back")
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors()
+            )
+        },
+        bottomBar = {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                val total = state.items.sumOf { it.nightlyRate }
+                Text(
+                    text = "${total}₹",
+                    style = MaterialTheme.typography.titleMedium,
+                    modifier = Modifier.clickable {
+                        totalInput.value = total.takeIf { it > 0 }?.toString().orEmpty()
+                        showTotalDialog.value = true
+                    }
+                )
+                Spacer(modifier = Modifier.height(8.dp))
+                Button(
+                    onClick = {
+                        viewModel.submit(propertyId, bookingId, checkInAt, checkOutAt, onDone)
+                    },
+                    enabled = state.items.isNotEmpty() && !state.isLoading,
+                    modifier = Modifier.fillMaxWidth(0.5f)
+                ) {
+                    if (state.isLoading) {
+                        CircularProgressIndicator(modifier = Modifier.height(16.dp), strokeWidth = 2.dp)
+                    } else {
+                        Text("Update")
+                    }
+                }
+            }
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+                .padding(16.dp),
+            verticalArrangement = Arrangement.Top
+        ) {
+            if (state.items.isEmpty()) {
+                Text(text = "No rooms selected.")
+                return@Column
+            }
+            state.items.forEach { item ->
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Text(text = "${item.roomNumber}", style = MaterialTheme.typography.titleMedium)
+                    OutlinedTextField(
+                        value = item.nightlyRate.toString(),
+                        onValueChange = { viewModel.updateRate(item.roomId, it) },
+                        label = { Text("Rate") },
+                        keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                        modifier = Modifier.fillMaxWidth(0.5f)
+                    )
+                }
+                Spacer(modifier = Modifier.height(12.dp))
+            }
+            state.error?.let {
+                Text(text = it, color = MaterialTheme.colorScheme.error)
+            }
+        }
+    }
+
+    if (showTotalDialog.value) {
+        AlertDialog(
+            onDismissRequest = { showTotalDialog.value = false },
+            title = { Text("Amount") },
+            text = {
+                OutlinedTextField(
+                    value = totalInput.value,
+                    onValueChange = { totalInput.value = it.filter { ch -> ch.isDigit() } },
+                    label = { Text("Amount") },
+                    keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                    modifier = Modifier.fillMaxWidth()
+                )
+            },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        val total = totalInput.value.toLongOrNull()
+                        if (total != null) {
+                            viewModel.applyTotal(total)
+                        }
+                        showTotalDialog.value = false
+                    }
+                ) {
+                    Text("Update")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showTotalDialog.value = false }) {
+                    Text("Cancel")
+                }
+            }
+        )
+    }
+}

app/src/main/java/com/android/trisolarispms/ui/roomstay/ManageRoomStayRatesState.kt

@@ -0,0 +1,8 @@
+package com.android.trisolarispms.ui.roomstay
+
+data class ManageRoomStayRatesState(
+    val isLoading: Boolean = false,
+    val error: String? = null,
+    val items: List<ManageRoomStayRateItem> = emptyList(),
+    val lastTotal: Long? = null
+)

app/src/main/java/com/android/trisolarispms/ui/roomstay/ManageRoomStayRatesViewModel.kt

@@ -0,0 +1,113 @@
+package com.android.trisolarispms.ui.roomstay
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.android.trisolarispms.data.api.ApiClient
+import com.android.trisolarispms.data.api.model.BookingBulkCheckInRequest
+import com.android.trisolarispms.data.api.model.BookingBulkCheckInStayRequest
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+
+class ManageRoomStayRatesViewModel : ViewModel() {
+    private val _state = MutableStateFlow(ManageRoomStayRatesState())
+    val state: StateFlow<ManageRoomStayRatesState> = _state
+
+    fun setItems(items: List<ManageRoomStaySelection>) {
+        val mapped = items.map { item ->
+            ManageRoomStayRateItem(
+                roomId = item.roomId,
+                roomNumber = item.roomNumber,
+                roomTypeName = item.roomTypeName,
+                nightlyRate = item.averageRate?.toLong() ?: 0L,
+                currency = item.currency,
+                ratePlanCode = item.ratePlanCode
+            )
+        }
+        _state.update { it.copy(items = mapped, error = null) }
+    }
+
+    fun updateRate(roomId: String, value: String) {
+        val rate = value.filter { it.isDigit() }.toLongOrNull() ?: 0L
+        _state.update { current ->
+            val updated = current.items.map {
+                if (it.roomId == roomId) it.copy(nightlyRate = rate) else it
+            }
+            current.copy(items = updated)
+        }
+    }
+
+    fun applyTotal(total: Long) {
+        if (total <= 0) return
+        _state.update { current ->
+            val items = current.items
+            if (items.isEmpty()) return@update current
+            val currentTotal = items.sumOf { it.nightlyRate }
+            val updated = if (currentTotal <= 0L) {
+                val base = total / items.size
+                val remainder = total - base * items.size
+                items.mapIndexed { index, item ->
+                    val extra = if (index == items.lastIndex) remainder else 0L
+                    item.copy(nightlyRate = base + extra)
+                }
+            } else {
+                var remaining = total
+                items.mapIndexed { index, item ->
+                    val share = if (index == items.lastIndex) {
+                        remaining
+                    } else {
+                        val portion = (item.nightlyRate.toDouble() / currentTotal.toDouble()) * total.toDouble()
+                        val rounded = portion.toLong()
+                        remaining -= rounded
+                        rounded
+                    }
+                    item.copy(nightlyRate = share)
+                }
+            }
+            current.copy(items = updated, lastTotal = total)
+        }
+    }
+
+    fun submit(
+        propertyId: String,
+        bookingId: String,
+        checkInAt: String,
+        checkOutAt: String?,
+        onDone: () -> Unit
+    ) {
+        if (propertyId.isBlank() || bookingId.isBlank() || checkInAt.isBlank()) return
+        val items = _state.value.items
+        if (items.isEmpty()) return
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            try {
+                val api = ApiClient.create()
+                val stays = items.map { item ->
+                    BookingBulkCheckInStayRequest(
+                        roomId = item.roomId,
+                        checkInAt = checkInAt,
+                        checkOutAt = checkOutAt,
+                        nightlyRate = item.nightlyRate,
+                        rateSource = "MANUAL",
+                        ratePlanCode = item.ratePlanCode,
+                        currency = item.currency
+                    )
+                }
+                val response = api.bulkCheckIn(
+                    propertyId = propertyId,
+                    bookingId = bookingId,
+                    body = BookingBulkCheckInRequest(stays = stays)
+                )
+                if (response.isSuccessful) {
+                    _state.update { it.copy(isLoading = false, error = null) }
+                    onDone()
+                } else {
+                    _state.update { it.copy(isLoading = false, error = "Update failed: ${response.code()}") }
+                }
+            } catch (e: Exception) {
+                _state.update { it.copy(isLoading = false, error = e.localizedMessage ?: "Update failed") }
+            }
+        }
+    }
+}

app/src/main/java/com/android/trisolarispms/ui/roomstay/ManageRoomStaySelectScreen.kt

@@ -0,0 +1,226 @@
+package com.android.trisolarispms.ui.roomstay
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyRow
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.android.trisolarispms.data.api.model.RoomAvailableRateResponse
+import java.time.OffsetDateTime
+import java.time.format.DateTimeFormatter
+
+@Composable
+@OptIn(ExperimentalMaterial3Api::class)
+fun ManageRoomStaySelectScreen(
+    propertyId: String,
+    bookingFromAt: String,
+    bookingToAt: String?,
+    onBack: () -> Unit,
+    onNext: (List<ManageRoomStaySelection>) -> Unit,
+    viewModel: ManageRoomStaySelectViewModel = viewModel()
+) {
+    val state by viewModel.state.collectAsState()
+    val selectedRooms = remember { mutableStateListOf<ManageRoomStaySelection>() }
+    val fromDate = remember(bookingFromAt) { bookingFromAt.toDateOnly() }
+    val toDate = remember(bookingToAt) { bookingToAt?.toDateOnly() }
+    val fallbackToDate = remember(fromDate, toDate) {
+        if (toDate != null || fromDate == null) {
+            toDate
+        } else {
+            runCatching {
+                java.time.LocalDate.parse(fromDate)
+                    .plusDays(1)
+                    .format(DateTimeFormatter.ISO_LOCAL_DATE)
+            }.getOrNull()
+        }
+    }
+
+    LaunchedEffect(propertyId, fromDate, fallbackToDate) {
+        if (fromDate != null && fallbackToDate != null) {
+            viewModel.load(propertyId, from = fromDate, to = fallbackToDate)
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Select Rooms") },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.AutoMirrored.Default.ArrowBack, contentDescription = "Back")
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors()
+            )
+        },
+        bottomBar = {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp)
+            ) {
+                if (selectedRooms.isNotEmpty()) {
+                    LazyRow(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+                        items(selectedRooms) { item ->
+                            RoomChip(text = item.roomNumber.toString())
+                        }
+                    }
+                    Spacer(modifier = Modifier.height(12.dp))
+                }
+                Button(
+                    onClick = { onNext(selectedRooms.toList()) },
+                    enabled = selectedRooms.isNotEmpty(),
+                    modifier = Modifier.fillMaxWidth()
+                ) {
+                    Text("Proceed")
+                }
+            }
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+                .padding(16.dp)
+        ) {
+            if (state.isLoading) {
+                CircularProgressIndicator()
+                Spacer(modifier = Modifier.height(8.dp))
+            }
+            state.error?.let {
+                Text(text = it, color = MaterialTheme.colorScheme.error)
+                Spacer(modifier = Modifier.height(8.dp))
+            }
+            if (fromDate == null || fallbackToDate == null) {
+                Text(text = "Booking dates not available.", color = MaterialTheme.colorScheme.error)
+                return@Column
+            }
+            LazyVerticalGrid(
+                columns = GridCells.Fixed(2),
+                modifier = Modifier.fillMaxSize(),
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
+                verticalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                items(state.rooms) { room ->
+                    val selection = room.toSelection() ?: return@items
+                    val isSelected = selectedRooms.any { it.roomId == selection.roomId }
+                    RoomSelectCard(
+                        item = selection,
+                        isSelected = isSelected,
+                        onToggle = {
+                            if (isSelected) {
+                                selectedRooms.removeAll { it.roomId == selection.roomId }
+                            } else {
+                                selectedRooms.add(selection)
+                            }
+                        }
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun RoomSelectCard(
+    item: ManageRoomStaySelection,
+    isSelected: Boolean,
+    onToggle: () -> Unit
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .border(
+                width = 1.dp,
+                color = if (isSelected) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.outline,
+                shape = MaterialTheme.shapes.medium
+            )
+            .background(
+                color = if (isSelected) MaterialTheme.colorScheme.primary.copy(alpha = 0.08f) else Color.Transparent,
+                shape = MaterialTheme.shapes.medium
+            )
+            .clickable(onClick = onToggle)
+            .padding(12.dp)
+    ) {
+        Text(
+            text = item.roomNumber.toString(),
+            style = MaterialTheme.typography.titleLarge
+        )
+        Text(
+            text = item.roomTypeName,
+            style = MaterialTheme.typography.bodySmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+        Spacer(modifier = Modifier.height(8.dp))
+        Text(
+            text = item.averageRate?.toLong()?.let { "${item.currency ?: ""} $it" } ?: "--",
+            style = MaterialTheme.typography.bodyMedium
+        )
+    }
+}
+
+@Composable
+private fun RoomChip(text: String) {
+    Row(
+        modifier = Modifier
+            .border(1.dp, MaterialTheme.colorScheme.outline, MaterialTheme.shapes.large)
+            .padding(horizontal = 12.dp, vertical = 6.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Text(text = text, style = MaterialTheme.typography.bodySmall)
+    }
+}
+
+private fun String.toDateOnly(): String? {
+    return runCatching {
+        OffsetDateTime.parse(this).toLocalDate().format(DateTimeFormatter.ISO_LOCAL_DATE)
+    }.getOrNull()
+}
+
+private fun RoomAvailableRateResponse.toSelection(): ManageRoomStaySelection? {
+    val id = roomId ?: return null
+    val number = roomNumber ?: return null
+    return ManageRoomStaySelection(
+        roomId = id,
+        roomNumber = number,
+        roomTypeName = roomTypeName ?: roomTypeCode ?: "Room",
+        averageRate = averageRate,
+        currency = currency,
+        ratePlanCode = ratePlanCode
+    )
+}

app/src/main/java/com/android/trisolarispms/ui/roomstay/ManageRoomStaySelectState.kt

@@ -0,0 +1,9 @@
+package com.android.trisolarispms.ui.roomstay
+
+import com.android.trisolarispms.data.api.model.RoomAvailableRateResponse
+
+data class ManageRoomStaySelectState(
+    val isLoading: Boolean = false,
+    val error: String? = null,
+    val rooms: List<RoomAvailableRateResponse> = emptyList()
+)

app/src/main/java/com/android/trisolarispms/ui/roomstay/ManageRoomStaySelectViewModel.kt

@@ -0,0 +1,38 @@
+package com.android.trisolarispms.ui.roomstay
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.android.trisolarispms.data.api.ApiClient
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+
+class ManageRoomStaySelectViewModel : ViewModel() {
+    private val _state = MutableStateFlow(ManageRoomStaySelectState())
+    val state: StateFlow<ManageRoomStaySelectState> = _state
+
+    fun load(propertyId: String, from: String, to: String) {
+        if (propertyId.isBlank() || from.isBlank() || to.isBlank()) return
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            try {
+                val api = ApiClient.create()
+                val response = api.listAvailableRoomsWithRate(propertyId, from = from, to = to)
+                if (response.isSuccessful) {
+                    _state.update {
+                        it.copy(
+                            isLoading = false,
+                            rooms = response.body().orEmpty(),
+                            error = null
+                        )
+                    }
+                } else {
+                    _state.update { it.copy(isLoading = false, error = "Load failed: ${response.code()}") }
+                }
+            } catch (e: Exception) {
+                _state.update { it.copy(isLoading = false, error = e.localizedMessage ?: "Load failed") }
+            }
+        }
+    }
+}