Add tests, Storybook edge-case stories, MDX docs, schema playground, API consistency audit

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -45,6 +45,9 @@ Thumbs.db
 docs/.vitepress/dist
 docs/.vitepress/cache
 
+# TypeDoc generated API docs
+docs/api
+
 # Object UI CLI temporary files
 .objectui-tmp