release: cut the stable version

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FxNv1rk7jMQtb9tMBREc5B

Author: amtiYo

CHANGELOG.md

@@ -13,7 +13,7 @@ See [`docs/versioning.md`](docs/versioning.md) for what the numbers mean and
 
 Use this section for changes that are merged but not released yet.
 
-## v0.0.1-beta.5 - 2026-09-09
+## v0.0.1 - 2026-09-09
 
 Everything that shows or configures now lives behind /start, the panels stopped
 wearing one shape that fitted none of them, and a callback can no longer act on