01be39019e
Flow Debugger (design 2026-09-05 §5.3): a traced SetStaticAttributeCommand on a data-sourced attribute records (attribute → writer, expiry) for TraceArmWindowSeconds (new option, default 30, validated > 0); the next DCL echo for that attribute is published with the writer's SourceExecutionId + Trace whatever its value, and the arm is consumed once. Static writes publish Trace directly. Untraced writes never arm (pinned). Claude-Session: https://claude.ai/code/session_01GSLkkHKz9JrAtmJjmQK3cP