Eager-load rate plan room type to avoid lazy proxy errors

src/main/kotlin/com/android/trisolarisserver/models/booking/Guest.kt

@@ -5,7 +5,6 @@ import com.android.trisolarisserver.models.property.AppUser
 import jakarta.persistence.*
 import java.time.OffsetDateTime
 import java.util.UUID
-//TODO:store signature image of guest
 @Entity
 @Table(
     name = "guest",

src/main/kotlin/com/android/trisolarisserver/repo/RatePlanRepo.kt

@@ -2,9 +2,11 @@ package com.android.trisolarisserver.repo
 
 import com.android.trisolarisserver.models.room.RatePlan
 import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.data.jpa.repository.EntityGraph
 import java.util.UUID
 
 interface RatePlanRepo : JpaRepository<RatePlan, UUID> {
+    @EntityGraph(attributePaths = ["roomType"])
     fun findByPropertyIdOrderByCode(propertyId: UUID): List<RatePlan>
     fun findByIdAndPropertyId(id: UUID, propertyId: UUID): RatePlan?
     fun existsByPropertyIdAndCode(propertyId: UUID, code: String): Boolean