Include guest dob in guest search and detail responses

docs/API_REFERENCE.txt

@@ -2247,6 +2247,7 @@ GUEST + DOCUMENT + RATING APIS
   What it does:
 
   - Searches guest by phone or vehicle number.
+  - Returns guest profile fields including dob (if available), vehicles, and average score.
 
   Request body:
 
@@ -2272,7 +2273,7 @@ GUEST + DOCUMENT + RATING APIS
 
   What it does:
 
-  - Returns guest profile with vehicles + average score.
+  - Returns guest profile with dob (if available), vehicles, and average score.
 
   Request body:
 

src/main/kotlin/com/android/trisolarisserver/controller/dto/property/OrgPropertyDtos.kt

@@ -63,6 +63,7 @@ data class GuestResponse(
     val id: UUID,
     val name: String?,
     val phoneE164: String?,
+    val dob: String?,
     val nationality: String?,
     val addressText: String?,
     val signatureUrl: String?,

src/main/kotlin/com/android/trisolarisserver/controller/guest/Guests.kt

@@ -232,6 +232,7 @@ private fun Set<Guest>.toResponse(
             id = guest.id!!,
             name = guest.name,
             phoneE164 = guest.phoneE164,
+            dob = guest.age?.trim()?.ifBlank { null },
             nationality = guest.nationality,
             addressText = guest.addressText,
             signatureUrl = guest.signaturePath?.let {