Client block registry now carries a renderer, edit form, palette label/icon,
and defaults for all seven Wave 1 blocks (self-registering via
client/src/blocks/types/*): heading, rich_text, image, two_column, cta,
divider, quote.
- BlockRenderer + BlockList render stored blocks via the registry (respect
`visible`, tolerate unknown types), reading getBlock from ./registry to
avoid the index -> twoColumn -> BlockRenderer cycle.
- editorKit: shared Field/TextField/TextAreaField/SelectField styled with the
existing admin form classes; rich_text editor reuses RichTextEditor
(variant post), image editor reuses the shared uploader.
- two_column editor is a mini per-column canvas (add from the leaf-only
palette, edit via each block's registry editor, reorder, remove).
- theme.css: public block styles (heading/image alignment/cta/quote/
two-column responsive grid) + column sub-block editor styles.
Verified: all 11 modules transform cleanly under esbuild. Full visual
verification comes with the builder UI (step 5) + public route (step 6).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>