fix: tab state persists in url hash. Settings save nolonger reload the page. Scheduler management now cascades to individual events.

backend/services/recurring_schedule_service.py

@@ -169,8 +169,25 @@ class RecurringScheduleService:
         return self.update_schedule(schedule_id, enabled=True)
 
     def disable_schedule(self, schedule_id: str) -> Optional[RecurringSchedule]:
-        """Disable a schedule."""
-        return self.update_schedule(schedule_id, enabled=False)
+        """Disable a schedule and cancel its pending actions."""
+        schedule = self.update_schedule(schedule_id, enabled=False)
+        if schedule:
+            # Cancel all pending actions generated by this schedule
+            pending_actions = self.db.query(ScheduledAction).filter(
+                and_(
+                    ScheduledAction.execution_status == "pending",
+                    ScheduledAction.notes.like(f'%"schedule_id": "{schedule_id}"%'),
+                )
+            ).all()
+
+            for action in pending_actions:
+                action.execution_status = "cancelled"
+
+            if pending_actions:
+                self.db.commit()
+                logger.info(f"Cancelled {len(pending_actions)} pending actions for disabled schedule {schedule.name}")
+
+        return schedule
 
     def generate_actions_for_schedule(
         self,