Implemented Task Pause and Resume

supabase/migrations/20260304103000_add_pause_resume_activity_index.sql

@@ -0,0 +1,8 @@
+-- Support pause/resume task execution tracking queries.
+--
+-- The app records `paused` and `resumed` events in `task_activity_logs`
+-- while task status remains `in_progress`. This index speeds up lookups
+-- that resolve current pause state and execution-time calculations.
+
+create index if not exists idx_task_activity_logs_task_action_created_at
+  on public.task_activity_logs(task_id, action_type, created_at desc);