Define release-candidate balance acceptance targets

docs/README.md

@@ -17,6 +17,7 @@ This folder holds the project documentation, visual references and generated QA
 - [`accessibility.md`](accessibility.md) — accessibility statement and known gaps
 - [`known-limitations.md`](known-limitations.md) — release-candidate blockers and accepted limits
 - [`smoke-checklist.md`](smoke-checklist.md) — manual verification
+- [`balance-acceptance.md`](balance-acceptance.md) — release-candidate balance targets and evidence protocol
 - [`../CREDITS.md`](../CREDITS.md) — credits and asset provenance
 - [`../PRIVACY.md`](../PRIVACY.md) — privacy note
 - [`ui-copy.md`](ui-copy.md) — screen, copy and button inventory