Add a range dropdown to Insights (Last week / MTD / YTD) - #18
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The Insights screen was hard-wired to the current calendar month. Add a dropdown to switch the category breakdown between the past 7 days, month-to-date, and year-to-date, defaulting to month-to-date. - New InsightsRange enum owns the label + DST-safe date-window math - InsightsRepository.monthlyByCategory -> byCategory(from, toExclusive) - insightsProvider is now keyed by (groupId, range) so each range caches independently - InsightsScreen becomes stateful, shows the selected range's date span, and updates its empty-state copy per range Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EzXWJsUFffSSJAKGaRqUT4
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What
The Insights screen was hard-wired to the current calendar month. This adds a dropdown to switch the category breakdown between three ranges:
The header now shows the selected range's label and actual date span, and the empty-state copy adapts per range.
How
InsightsRangeenum (lib/features/insights/logic/insights_range.dart) owns the label and the date-window math. Boundaries use calendar arithmetic (DateTime(y, m, d ± n)), neverDuration, per the DST note incore/dates.dart.InsightsRepository.monthlyByCategory(month:)→byCategory(from:, toExclusive:); aggregation unchanged.insightsProvideris now keyed by(groupId, range)so each range caches independently and re-selection is instant.InsightsScreenbecomesConsumerStatefulWidgetholding the selected range.Tests
test/features/insights/insights_range_test.dart— unit-tests the window math incl. month/year-boundary roll-back.test/features/screens_smoke_test.dart— updated the provider-override keys, added a test that switches range via the dropdown.flutter analyzeclean,flutter test(180) green,flutter build web --releasesucceeds.Manual check (needs auth)
Open a group → Insights: confirm it opens on "Month to date", the dropdown switches ranges, the label/span/totals update, and an empty range shows "No spending for … yet".
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