## Summary
- New `search_history_entries` table (schema v27) stores the last 10 distinct search queries
- `SearchHistoryRepository` interface + `SearchHistoryRepositoryImpl` backed by Drift
- `SearchScreen` shows history chips when the field is focused and empty; tapping a chip re-runs the search
- "Clear" button wipes all history; chips are kept deduplicated (same query bumps to top)
- Existing search widget tests updated with `FakeSearchHistoryRepository`; migration tests cover v27 upgrade
Closes part of #19 (U3).
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Summary
search_history_entriestable (schema v27) stores the last 10 distinct search queriesSearchHistoryRepositoryinterface +SearchHistoryRepositoryImplbacked by DriftSearchScreenshows history chips when the field is focused and empty; tapping a chip re-runs the searchFakeSearchHistoryRepository; migration tests cover v27 upgradeCloses part of #19 (U3).