Add pull-to-refresh to HomePage for both layouts

[Copilot]

Enables manual refresh via pull-to-refresh gesture on HomePage, triggering fresh DB fetch and displaying confirmation message.

Changes

• Wrapped both layout widgets with RefreshIndicator

  • Horizontal layout: Direct wrap on CustomScrollView
  • Vertical layout: Wrapped with SingleChildScrollView to enable vertical pull on horizontally-scrolling content

• Added _HomeRefreshHelper extension on BuildContext

  • Dispatches HomeEvent.refresh()
  • Waits for BLoC state update via bloc.stream.firstWhere(!isLoading) with 5s timeout
  • Shows floating "Refreshed." SnackBar with theme-based text color for proper contrast

extension _HomeRefreshHelper on BuildContext {
  Future<void> performHomeRefresh() async {
    final bloc = read<HomeBloc>();
    bloc.add(const HomeEvent.refresh());
    
    await bloc.stream
        .firstWhere((state) => !state.isLoading)
        .timeout(const Duration(seconds: 5));
    
    if (mounted) {
      ScaffoldMessenger.of(this).showSnackBar(/* ... */);
    }
  }
}

Notes

Vertical layout requires nested scroll structure (outer vertical for refresh, inner horizontal for tabs) - intentional trade-off for consistent UX across layouts.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Implement Refresh Manual Functionality</issue_title>
<issue_description>Add functionality to the HomePage for the user to be able to pull down from the top of the page and see the circular indicator for refreshing. We should then do a fresh fetch from the DB and update the UI.

This should work for both layouts, horizontal and vertical.

After updating, indicate to the user with a floating text message with no background at the bottom of the page, that the page was updated: "Refreshed."</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Implement Refresh Manual Functionality #177

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
4 Accepted issues

Measures
0 Security Hotspots
85.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud