2 Commits

Author	SHA1	Message	Date
Marcel	ebe4198be9	docs(timeline): add Person date+precision migration as foundational issue ... Replace Person birthYear/deathYear integers with birthDate/deathDate + DatePrecision so known exact birthdays render precisely. Migration, re-import preservation rule, and bounded blast radius captured; becomes issue 1 the timeline's derived events depend on. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>	2026-06-12 10:03:12 +02:00
Marcel	57aeb1ec7b	docs(timeline): add family timeline (Zeitstrahl) design spec ... Hand-curated, year-banded vertical timeline weaving derived person life-events, curated personal/historical events, and date-placed letters. Includes proposed sub-issue breakdown for a milestone. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>	2026-06-12 10:03:12 +02:00