fixes

bot/core/scheduler.py

@@ -78,6 +78,12 @@ async def check_and_send_reminders(bot: Bot) -> None:
                     current_run=reminder.next_run_at,
                     days_interval=reminder.days_interval,
                 )
+                next_run = next_run.replace(
+                    hour=reminder.time_of_day.hour,
+                    minute=reminder.time_of_day.minute,
+                    second=0,
+                    microsecond=0,
+                )
                 reminder.next_run_at = next_run
                 reminder.updated_at = time_service.get_now()
 

bot/db/operations.py

@@ -244,15 +244,14 @@ async def delete_reminder(session: AsyncSession, reminder_id: int) -> bool:
 async def mark_reminder_done(
     session: AsyncSession,
     reminder_id: int,
-    next_run_at: datetime,
 ) -> Optional[Reminder]:
     """
-    Mark reminder as done and schedule next run.
+    Mark reminder as done. Does not touch next_run_at — the scheduler
+    already advanced it when the notification was sent.
 
     Args:
         session: Database session
         reminder_id: Reminder ID
-        next_run_at: Next execution datetime
 
     Returns:
         Updated Reminder instance or None
@@ -262,7 +261,6 @@ async def mark_reminder_done(
         return None
 
     reminder.last_done_at = _now_local()
-    reminder.next_run_at = next_run_at
     reminder.total_done_count += 1
     reminder.updated_at = _now_local()
 

bot/services/reminders_service.py

@@ -212,7 +212,8 @@ class RemindersService:
         reminder_id: int,
     ) -> Optional[Reminder]:
         """
-        Mark reminder as done and schedule next occurrence.
+        Mark reminder as done. Does not recalculate next_run_at because
+        the scheduler already advanced it when sending the notification.
 
         Args:
             session: Database session
@@ -221,16 +222,7 @@ class RemindersService:
         Returns:
             Updated Reminder instance or None
         """
-        reminder = await get_reminder_by_id(session, reminder_id)
-        if not reminder:
-            return None
-
-        next_run_at = self.time_service.calculate_next_occurrence(
-            current_run=reminder.next_run_at,
-            days_interval=reminder.days_interval,
-        )
-
-        return await mark_reminder_done(session, reminder_id, next_run_at)
+        return await mark_reminder_done(session, reminder_id)
 
     async def snooze(
         self,