sx-tools: WASM kernel updates, TW/CSSX rework, content refresh, new debugging tools

Build tooling: updated OCaml bootstrapper, compile-modules, bundle.sh, sx-build-all.
WASM browser: rebuilt sx_browser.bc.js/wasm, sx-platform-2.js, .sxbc bytecode files.
CSSX/Tailwind: reworked cssx.sx templates and tw-layout, added tw-type support.
Content: refreshed essays, plans, geography, reactive islands, docs, demos, handlers.
New tools: bisect_sxbc.sh, test-spa.js, render-trace.sx, morph playwright spec.
Tests: added test-match.sx, test-examples.sx, updated test-tw.sx and web tests.

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

hosts/ocaml/browser/compile-modules.js

@@ -37,7 +37,7 @@ const FILES = [
   'render.sx', 'core-signals.sx', 'signals.sx', 'deps.sx', 'router.sx',
   'page-helpers.sx', 'freeze.sx', 'bytecode.sx', 'compiler.sx', 'vm.sx',
   'dom.sx', 'browser.sx', 'adapter-html.sx', 'adapter-sx.sx', 'adapter-dom.sx',
-  'cssx.sx',
+  'cssx.sx', 'tw-layout.sx', 'tw-type.sx', 'tw.sx',
   'boot-helpers.sx', 'hypersx.sx', 'harness.sx', 'harness-reactive.sx',
   'harness-web.sx', 'engine.sx', 'orchestration.sx', 'boot.sx',
 ];