Refactor guest schema and add RSVP field to GuestBase.

Reorganized imports for better readability and compliance with standards. Added an optional `rsvp` field to the `GuestBase` model to include RSVP details. This enhances the schema's flexibility and supports additional guest-related data.

backend/app/schemas/guests.py

@@ -1,11 +1,10 @@
-import uuid
-
-from pydantic import BaseModel, EmailStr, ConfigDict
 from datetime import datetime
 from typing import Optional, Any, Dict
-from app.models.guest import GuestStatus
 from uuid import UUID
 
+from pydantic import BaseModel, EmailStr, ConfigDict
+
+from app.models.guest import GuestStatus
 from app.schemas.rsvp import RSVPSchema, RSVPStatus
 
 
@@ -50,6 +49,8 @@ class GuestRead(GuestBase):
     is_blocked: bool
     model_config = ConfigDict(from_attributes=True)
     invitation_code: str
+    rsvp: Optional[RSVPSchema] = None
+
 
 class GuestWithRSVPResponse(BaseModel):
     """
@@ -62,6 +63,7 @@ class GuestWithRSVPResponse(BaseModel):
     class Config:
         from_attributes = True
 
+
 def map_rsvp_status_to_guest_status(rsvp_status: RSVPStatus) -> GuestStatus:
     if rsvp_status == RSVPStatus.ATTENDING:
         return GuestStatus.CONFIRMED
@@ -70,4 +72,4 @@ def map_rsvp_status_to_guest_status(rsvp_status: RSVPStatus) -> GuestStatus:
     elif rsvp_status == RSVPStatus.MAYBE:
         return GuestStatus.PENDING
     else:
-        return GuestStatus.INVITED
+        return GuestStatus.INVITED