ADR-0007 — CalDAV-vs-CRDT precedence (ADR-G)
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Status: Seeded placeholder — not yet ratified (Epic 7; 🔒 closer review on 7-4).
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Source:
docs/planning-artifacts/architecture.md§"Contested Decisions" ADR-G (#280—283); Decision Priority (D3.5).
Context (to be decided)
CalDAV (UID-matched last-sync diff) and CRDT (causal field merge) are different conflict models — a precedence question for the same DailyBlock. Plus RRULE/timezone/DST expansion correctness (FR-8/9). Protected-block soul guard must hold on external (calendar) changes — never auto-drop.