(employee)-implemented whatsapp integration in employee module

app/employees/controllers/router.py

@@ -31,7 +31,6 @@ router = APIRouter(
 
 @router.post(
     "",
-    response_model=EmployeeResponse,
     status_code=status.HTTP_201_CREATED,
     summary="Create a new employee",
     description="""

app/utils/wati_service.py

@@ -245,7 +245,7 @@ class WatiService:
             params = {"whatsappNumber": whatsapp_number}
 
             headers = {
-                "Authorization": access_token.strip(),   # remove Bearer
+                "Authorization": f"Bearer {access_token.strip()}",
                 "Content-Type": "application/json"
             }
 
@@ -274,7 +274,6 @@ class WatiService:
 
             logger.info(f"WATI Response: {response_data}")
 
-            # ✅ NEW SUCCESS CHECK
             if (
                 response_data.get("result") is True and
                 response_data.get("validWhatsAppNumber") is True and
@@ -287,7 +286,6 @@ class WatiService:
                 )
                 return True, "Welcome message accepted", message_id
 
-            # ❌ If opted-in is false
             contact = response_data.get("contact", {})
             if contact.get("optedIn") is False:
                 return False, "User not opted-in to receive WhatsApp messages", None