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feat(report): Stage-0 usage gate counts from a baseline date (default 2026-06-11)
released this
2026-06-11 20:52:15 +00:00 | 25 commits to main since this releaseThe return-usage gate (ADR-016) counted distinct active weeks over ALL history,
so pre-launch noise — testing churn and the period the pilot sat blocked on zero
summaries — would inflate the signal. Add a baseline: ActiveWeeks(ctx, since)
filters login_events + summary_actions to seen_at/acted_at >= since. The report
command sets it to TAPIR_USAGE_GATE_START (YYYY-MM-DD, default 2026-06-11 — the
morning the pilot was unblocked) and prints the baseline. The gate now measures
whether users RETURN once it genuinely works.Co-Authored-By: Claude Opus 4.8 (1M context) noreply@anthropic.com
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