booking details: add ability to see details of guest

AGENTS.md

@@ -63,6 +63,23 @@ Notes:
 
 ---
 
+### Booking details
+
+GET /properties/{propertyId}/bookings/{bookingId}
+
+Includes:
+
+- Guest info (name/phone/nationality/address/signatureUrl)
+- Room numbers (active stays if present; otherwise all stays)
+- Travel fields (fromCity/toCity/memberRelation)
+- Transport mode, expected/actual times
+- Counts (male/female/child/total/expected)
+- Registered by (createdBy name/phone)
+- totalNightlyRate (sum of nightlyRate across shown rooms)
+- balance: expectedPay, amountCollected, pending
+
+---
+
 ### Check-in (creates RoomStay)
 
 POST /properties/{propertyId}/bookings/{bookingId}/check-in