e8e2650fa9
- Extract DateUtils (isLeapYear, dateToUnix, timestampToDate) to deduplicate identical implementations in QueryParser and QuerySerializer - Move SavedSearch data class from desktopApp to commons/search - Replace local formatTimestamp with existing toTimeAgo from commons/util - Remove dead code: resolveAuthorName, _authorSuggestions (never called) - Remove dead code: createOrFilters (never wired into SearchScreen) - Remove unused ICacheProvider dependency from AdvancedSearchBarState Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>