Frame the editor as one instance of a general gap: the host serves JSON + static
content but cannot serve interactive SX component/island pages. Scope the generic
capability — reuse the kernel's existing shell pipeline (~shared:shell/
sx-page-shell + http_inject_shell_statics + http_render_page) rather than
reinvent — in 5 gated sub-steps: page-render from a handler, shell statics,
static-asset serving, island hydration, editor POC. Documents why render-to-html
alone fails (mangles evaluated-component attributes) and that component SSR is
slow until the JIT loop lands. Modern editor = SX reactive island (defisland +
signals) over a content-on-sx model; replace the legacy Lexical/Koenig editor,
don't resurrect it (the POST /new ingest already speaks sx_content).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
giles
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