chore: add changeset

Author: sectsect

.changeset/goofy-camels-marry.md

@@ -0,0 +1,12 @@
+---
+"@sect/solid-hiding-header": patch
+---
+
+.
+
+- docs: add claude code guidance documentation
+- chore(config): add serena memory directory to gitignore
+- chore: update MSW to v2.12.2 to resolve jsdom testing issues
+- chore: upgrade Vitest to v4.0.9
+- chore(deps): update dependencies
+- ci: fix pnpm version error