Implement single therapist bookings for V1

Request Model

Json Property	Data Type	Description
`center_id`	`Guid`	Center identifier
`date`	`DateTime`	Date of the booking
`booking_source`	`BookingSource?`	Source of the booking (nullable enum)
`guests`	`List<GuestBookingModel>`	List of guest booking models
`campaign_id`	`Guid?`	Campaign identifier (nullable)
`reference_no`	`long?`	Reference number (nullable)
`appointment_type`	`GroupAppointmentType?`	Type of appointment (nullable enum)
`consider_center_timings`	`bool`	Whether to consider center timings
`is_booking_at_different_times_for_different_guests`	`bool`	Allow booking at different times for different guests
`therapist_double_booking`	`TherapistDoubleBooking?`	Therapist double booking mode (nullable enum)
`is_only_checked_in_employees`	`bool`	Restrict to checked-in employees only
`is_noncontiguous_slots`	`bool`	Allow non-contiguous booking slots
`is_surprise`	`bool`	Whether the booking is a surprise
`host_id`	`Guid?`	Host identifier (nullable)
`reservation_id`	`Guid?`	Reservation identifier (nullable)
`is_only_catalog_employees`	`bool`	Restrict to catalog-listed employees only
`can_reschedule_appointment`	`bool`	Whether appointment can be rescheduled
`service_applied_with_in-time_discount`	`bool`	Indicates if in-time discount is applied
`is_double_booking_enabled`	`bool?`	Allow overlapping booking even when therapist is busy
`is_family_booking`	`bool`	Indicates a family-only booking
`relationship_host_id`	`Guid?`	User ID of the relationship host (nullable)
`skip_catalog_validations`	`bool`	Whether to skip catalog validations
`waitlist_group_id`	`Guid?`	Waitlist group identifier (nullable)
`use_online_booking_template`	`bool`	Use online booking template
`preserve_order`	`bool`	Preserve service booking order
`is_couple_booking`	`bool`	Indicates a couple’s booking
`allow_future_bookings`	`bool`	Allow bookings for future dates

guests object (GuestBookingModel)

Json Property	Data Type	Description
`id`	`Guid?`	Guest ID (nullable)
`notes`	`string`	Notes related to the guest
`items`	`List<ItemRequestModel>`	List of item bookings per guest
`reservation_id`	`Guid?`	Reservation ID (nullable)

items object (ItemRequestModel)

Json Property	Data Type	Description
`item`	`BaseItemModel`	The item/service being booked
`therapist`	`TherapistRequestModel`	Therapist requested for the item
`room`	`RoomRequestModel`	Room requested for the item
`equipment`	`EquipmentRequestModel`	Equipment requested for the item
`qty`	`int?`	Quantity of the item (nullable)

item object (BaseItemModel)

Json Property	Data Type	Description
`id`	`Guid?`	Item identifier (nullable)
`item_type`	`ItemType`	Type of the item being booked

therapist object (TherapistRequestModel)

Json Property	Data Type	Description
`id`	`Guid?`	Therapist ID (nullable)
`gender`	`RequestedGender?`	Gender preference (nullable enum)

room object (RoomRequestModel)

Json Property	Data Type	Description
`id`	`Guid?`	Room ID (nullable)

equipment object (EquipmentRequestModel)

Json Property	Data Type	Description
`id`	`Guid?`	Equipment ID (nullable)

Response Model

(CreateBookingResponseModel)

Json Property	Data Type	Description
`id`	`Guid`	Booking ID returned in the response

Enum (BookingSource)

Enum Member	Value Type	Description
`Online`	`int`	Booking made via online portal
`Phone`	`int`	Booking made via phone
`InCenter`	`int`	Booking made directly at the center
`ThirdParty`	`int`	Booking received from a third-party system

Enum (GroupAppointmentType)

Enum Member	Value Type	Description
`Group`	`int`	Standard group appointment
`Couple`	`int`	Couple’s booking
`Family`	`int`	Family group booking

Enum (TherapistDoubleBooking)

Enum Member	Value Type	Description
`NotAllowed`	`int`	Do not allow double booking
`AllowedWithPrompt`	`int`	Allow with warning or confirmation
`AlwaysAllowed`	`int`	Always allow double booking

Enum (ItemType)

Enum Member	Value Type	Description
`Service`	`int`	Regular service item
`Package`	`int`	Service package
`Membership`	`int`	Membership-based item
`Product`	`int`	Retail product

Enum (RequestedGender)

Enum Member	Value Type	Description
`Any`	`int`	No gender preference
`Male`	`int`	Prefer male therapist
`Female`	`int`	Prefer female therapist