giles 8105064e82 sx-http: native SSR + island placeholders — homepage 158ms, 2MB RSS ...

Switch SSR from SX adapter to native Sx_render.render_to_html.
Islands that fail SSR emit <span data-sx-island="name"> placeholders
instead of recursing into client-only bodies. Eliminates the <home
symbol error cascade that made the homepage render 23s.

Performance (warm, single process):
  Homepage:  131-191ms TTFB (was 202ms on Quart) — faster
  Geography: 203-229ms TTFB (was 144ms on Quart) — close
  Reactive:  155-290ms TTFB (was 187ms on Quart) — similar
  Memory:    2MB RSS (was 570MB on Quart) — 285x reduction

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-28 16:52:32 +00:00

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