giles aee4770a6a Lazy module loading: compiler loads on demand, playground page ...

- load-library! native: islands can declare module dependencies at
  hydration time, triggering on-demand .sxbc loading
- JIT compiler lazy-load: compiler.sxbc loads via setTimeout after boot,
  eliminating "JIT: compiler not loaded" errors
- _import_hook on sx_types: infrastructure for hosts to resolve import
  suspensions inside eval_expr (server wiring deferred to Step 8)
- Playground page (/sx/(tools.(playground))): REPL island that lazy-loads
  the compiler module when navigated to — demonstrates the full
  lazy loading pipeline

Known remaining issues:
- SPA navigation broken for pages using let-match (orchestration.sx,
  router.sx) — bytecode compiler doesn't handle let-match special form
- Server-side "IO suspension in non-IO context" during http_load_files —
  needs cek_run import handling (deferred to Step 8)

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

2026-04-04 20:34:08 +00:00

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