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

backend/routers/recurring_schedules.py

@@ -330,19 +330,35 @@ async def disable_schedule(
     db: Session = Depends(get_db),
 ):
     """
-    Disable a schedule.
+    Disable a schedule and cancel all its pending actions.
     """
     service = get_recurring_schedule_service(db)
+
+    # Count pending actions before disabling (for response message)
+    from sqlalchemy import and_
+    from backend.models import ScheduledAction
+    pending_count = db.query(ScheduledAction).filter(
+        and_(
+            ScheduledAction.execution_status == "pending",
+            ScheduledAction.notes.like(f'%"schedule_id": "{schedule_id}"%'),
+        )
+    ).count()
+
     schedule = service.disable_schedule(schedule_id)
 
     if not schedule:
         raise HTTPException(status_code=404, detail="Schedule not found")
 
+    message = "Schedule disabled"
+    if pending_count > 0:
+        message += f" and {pending_count} pending action(s) cancelled"
+
     return {
         "success": True,
         "schedule_id": schedule.id,
         "enabled": schedule.enabled,
-        "message": "Schedule disabled",
+        "cancelled_actions": pending_count,
+        "message": message,
     }