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>

web/tests/test-wasm-browser.sx

@@ -145,9 +145,7 @@
         ((el (dom-create-element "div" nil)) (d (list)))
         (with-island-scope
           (fn (x) (append! d x))
-          (fn
-            ()
-            (reactive-spread el (fn () (~cssx/tw :tokens "text-center")))))
+          (fn () (reactive-spread el (fn () (~tw :tokens "text-center")))))
         (dom-get-attr el "class"))))
   (deftest
     "render-to-dom CSSX in island scope"
@@ -161,8 +159,7 @@
               (fn
                 ()
                 (render-to-dom
-                  (quote
-                    (div (~cssx/tw :tokens "text-center font-bold") "hello"))
+                  (quote (div (~tw :tokens "text-center font-bold") "hello"))
                   (global-env)
                   nil))))
           "outerHTML")