2025 11 20 Biome Ultracite

<!-- entry: {"id":"2025-11-20-26-11-ai-api-format-copied-registry-files-dad0c3be","kind":"behavior","migrationNotes":[]} -->

• ai-api, copilot-api, ai-menu, ai-kit, use-chat, cursor-overlay: Format copied AI registry files for Biome and Ultracite compatibility.

<!-- entry: {"id":"2025-11-20-26-11-block-placeholder-format-copied-editor-kits-8cfd039a","kind":"behavior","migrationNotes":[]} -->

• block-placeholder-kit, block-selection-kit, discussion-kit, tabbable-kit, transforms, transforms-classic, markdown-joiner-transform: Format copied editor kits and transforms for Biome and Ultracite compatibility.

<!-- entry: {"id":"2025-11-20-26-11-block-discussion-format-copied-ui-components-07b227ef","kind":"fix","migrationNotes":[]} -->

• block-discussion, block-draggable, block-list, callout-node, code-block-node, code-node, column-node, editor, emoji-node, emoji-toolbar-button, equation-node, fixed-toolbar, floating-toolbar, font-color-toolbar-button, font-size-toolbar-button, heading-node, inline-combobox, insert-toolbar-button, insert-toolbar-classic-button, link-toolbar, list-classic-node, list-classic-toolbar-button, media-embed-node, media-image-node, media-placeholder-node, media-preview-dialog, media-toolbar, media-toolbar-button, media-video-node, mention-node, mode-toolbar-button, remote-cursor-overlay, resize-handle, select-editor, suggestion-node, table-node, table-toolbar-button, tag-node, toc-node, toc-node-static, toggle-node, toggle-node-static, toolbar: Format copied UI components for Biome and Ultracite compatibility.

<!-- entry: {"id":"2025-11-20-26-11-ai-format-copied-registry-demos-697d1f15","kind":"behavior","migrationNotes":[]} -->

• ai-demo, collaboration-demo, controlled-demo, hundreds-blocks-demo, image-pro-demo, markdown-streaming-demo, preview-markdown-demo, pro-iframe-demo, slate-to-html, version-history-demo, fumadocs-mdx-components, mdx-plate-components: Format copied registry demos and block examples for Biome and Ultracite compatibility.