- [ ] Analyze history_controller and add support for filter (status, type, date) + bulk select
- [ ] Update history_screen to mirror group detail list layout (search + filter + select + refresh + new buttons)
- [ ] Add filter bottom sheet for transactions (status/type)
- [ ] Add bulk action bar (Repeat selected, Delete selected) when select mode is on
- [ ] Add scroll-to-load-more pagination like group detail
- [ ] Tone down animation (short, subtle fade/slide)
- [ ] Verify compile with `flutter analyze`