giles bfb91819d9 host: wire :body into live rendering — composition fold is fold #1, live (roadmap step 2) ...

A record may carry a :body (a composition node); host/blog-post renders it via the
render-fold (host/comp-render) against a context built from the principal (auth), else the
legacy sx_content path. compose.sx loaded into the host (serve.sh + conformance.sh module
lists). host/blog-body-of / host/blog--set-body!.

Seeded /compose-demo: ONE composition object that shows seq + alt(when auth) + row(par) +
each, and renders DIFFERENTLY by context. Verified live-path (ephemeral SX_SERVING_JIT=1):
anon -> login-prompt (else) + columns + event list; authed -> member block (when auth),
login-prompt gone. The object is the program; the render is the execution -- now live.
Focused eval confirms the in-process render matches the test (ANON<span>..> vs MEMBER<..>).
Tests added; full blog suite still box-contended.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-30 17:24:29 +00:00

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