First public release

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

CHANGELOG.md

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+# Changelog
+
+## 0.3.0 - 2026-09-28
+
+First public release under MIT.
+
+- `effectivePlan()`, `hasEntitlement()`, `planRank()` and `meetsPlan()`
+  resolve a principal's plan from the product-scoped entitlement row only.
+- `explainPlan()` separates a real grant from a fail-open on an unknown plan,
+  and names the subscription status behind a denial. `toReport()` and
+  `formatAccess()` render decisions in the `@extant2000/evidence-record`
+  format.
+- `planWriteQuota()` gives per-plan write quotas with global and per-product
+  environment overrides.
+- `createLimiter()` and `createSyncLimiter()` build a per-account
+  sliding-window limiter with a pluggable counter store.