Generic content-provider time bridge shared by the family: Long epoch millis
<-> kotlin.time.Instant. Extracted from Calendula for Phase 1 (Calendula as the
second core-time consumer). 3 unit tests; module suite now 5 green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
First module of floret-kit, the shared Material 3 Expressive design system +
plumbing for the Floret app family. core-time is a pure-Kotlin JVM library
(DayWindow local-day boundaries + locale/zone-aware Instant formatting),
extracted from Agendula. Standalone build + 2 unit tests green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
