hs: query targets, prolog hook, loop scripts, new plans, WASM regen

Hyperscript compiler/runtime:
- query target support in set/fire/put commands
- hs-set-prolog-hook! / hs-prolog-hook / hs-prolog in runtime
- runtime log-capture cleanup

Scripts: sx-loops-up/down, sx-hs-e-up/down, sx-primitives-down
Plans: datalog, elixir, elm, go, koka, minikanren, ocaml, hs-bucket-f,
       designs (breakpoint, null-safety, step-limit, tell, cookies, eval,
       plugin-system)
lib/prolog/hs-bridge.sx: initial hook-based bridge draft
lib/common-lisp/tests/runtime.sx: CL runtime tests

WASM: regenerate sx_browser.bc.js from updated hs sources

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

sx/sxc/pages/sx_router.py

@@ -200,14 +200,21 @@ async def eval_sx_url(raw_path: str) -> Any:
             ocaml_ctx = {"_helper_service": "sx"}
 
             if is_htmx_request():
-                # HTMX: single-pass — OOB wrapper + content in ONE aser_slot
+                # HTMX: render everything to HTML server-side.
+                # aser_slot left content component calls unexpanded (browser
+                # doesn't have their definitions). bridge.render expands all
+                # server-affinity components — ~layouts/doc, content pages,
+                # syntax highlighting — before the response is sent.
+                # handle-html-response in engine.sx processes sx-swap-oob
+                # attributes (filter/aside/root-menu/sx-nav) as OOB swaps,
+                # then puts the remaining #main-panel section in the target.
                 oob_ast = [
                     Symbol("~shared:layout/oob-sx"),
                     Keyword("content"), wrapped_ast,
                 ]
-                content_sx = SxExpr(await bridge.aser_slot(
-                    serialize(oob_ast), ctx=ocaml_ctx))
-                return sx_response(content_sx)
+                html = await bridge.render(serialize(oob_ast), ctx=ocaml_ctx)
+                return await make_response(html, 200,
+                    {"Content-Type": "text/html; charset=utf-8"})
             else:
                 # Full page: single OCaml call — aser-slot + shell render
                 full_ast = [
@@ -236,9 +243,18 @@ async def eval_sx_url(raw_path: str) -> Any:
         logger.error("SX URL render failed for %s: %s", raw_path, e, exc_info=True)
         return None
 
-    # Return response (Python path)
+    # Return response (Python path — SX_USE_OCAML=0 only)
     if is_htmx_request():
-        return sx_response(await oob_page_sx(content=content_sx))
+        from shared.sx.async_eval import async_render
+        from shared.sx.jinja_bridge import get_component_env
+        oob_ast = [
+            Symbol("~shared:layout/oob-sx"),
+            Keyword("content"), wrapped_ast,
+        ]
+        env2 = dict(get_component_env())
+        html = await async_render(oob_ast, env2, ctx)
+        return await make_response(html, 200,
+            {"Content-Type": "text/html; charset=utf-8"})
     else:
         tctx = await get_template_context()
         html = await full_page_sx(tctx, header_rows="", content=content_sx)