feat(cli): add new schedule member by name feature

backend/repositories/schedule.py

@@ -213,12 +213,12 @@ class ScheduleRepository(BaseRepository[ScheduleModel]):
     # ------------------------------------------------------------------
     def has_schedule_on_date(self, member_id: int, service_date: str) -> bool:
         """
-        Return ``True`` if *any* schedule (regardless of status) exists for
+        Return ``True`` if any *active* schedule (pending or accepted) exists for
         ``member_id`` on the calendar day ``service_date`` (format YYYY‑MM‑DD).
 
-        This abstracts the “a member can only be scheduled once per day”
+        This abstracts the "a member can only be actively scheduled once per day"
         rule so the service layer does not need to know the underlying
-        table layout.
+        table layout. Declined schedules do not count as blocking.
         """
         sql = f"""
             SELECT 1
@@ -226,9 +226,10 @@ class ScheduleRepository(BaseRepository[ScheduleModel]):
             JOIN Services AS sv ON s.ServiceId = sv.ServiceId
             WHERE s.MemberId = ?
               AND sv.ServiceDate = ?
+              AND s.Status IN (?, ?)
             LIMIT 1
         """
-        row = self.db.fetchone(sql, (member_id, service_date))
+        row = self.db.fetchone(sql, (member_id, service_date, ScheduleStatus.PENDING.value, ScheduleStatus.ACCEPTED.value))
         return row is not None
 
     # ------------------------------------------------------------------