The change to re-render children when non-empty caused the stepper's
lake to show raw SX again (the ~tw expressions in steps-to-preview
were rendered as text). Reverted to the simpler approach: reuse the
existing SSR element and preserve its content entirely.
The copyright route not updating during SPA nav is a pre-existing
issue (path is an island parameter, not a reactive signal).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
WASM host-callbacks on document/body don't fire, and the CSS selector
[sx-on\:] doesn't work in the WASM query engine. Work around both
issues in sx-platform-2.js:
1. Keyboard shortcuts: global document keyup listener matches elements
by sx-trigger attribute containing key=='X', calls execute-request
via K.eval
2. sx-on: inline handlers: scan all elements for sx-on:* attributes,
bind JS Function handlers. Handle HTML attribute lowercasing
(afterSwap → afterswap) by listening for both camelCase and
lowercase event name forms
3. bind-event from: modifier resolves "body"/"document"/"window" to
direct references (dom-body, dom-document, dom-window)
4. Native SX key filter for [condition] triggers
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
1. parse-trigger-spec: strip [condition] from event names, store as
"filter" modifier
2. bind-event: native SX filter for key=='X' patterns (extracts key
char and checks event.key + not-input guard)
3. bind-event from: modifier: resolve "body"/"document"/"window" to
direct DOM references instead of dom-query
4. sx-platform-2.js: global keyboard dispatch — WASM host-callbacks
on document/body don't fire, so keyboard triggers with from:body
are handled from JS, calling execute-request via K.eval
5. bind-inline-handlers: map afterSwap/beforeRequest to sx: prefix,
eval JS bodies via Function constructor
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
highlight.sx now returns a list of (span :class "..." "text") elements
instead of a string. The rendering pipeline handles the rest:
- Server render-to-html: produces <span class="...">text</span>
- Client render-to-dom: produces DOM span elements
- Aser: serializes spans as SX for client rendering
Key fixes:
- hl-span uses (make-keyword "class") not :class (keywords evaluate
to strings in list context)
- render-sx-tokens returns flat list of spans (no wrapper)
- hl-escape is identity (no escaping needed for tree values)
- highlight.sx added to browser bundle + platform loader
- ~docs/code renders src directly as child of pre
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
build-all.sh was missing the sx-platform.js → sx-platform-2.js copy,
so the served file was stale (still requesting .sxbc.json instead of
.sxbc).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The bytecode compiler generates .sxbc (SX text format), not .sxbc.json.
Updated loadBytecodeFile to fetch .sxbc and use load-sxbc for parsing.
Eliminates 404s for non-existent .sxbc.json files.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Root cause: sx_primitives.ml registered "effect" as a native no-op (for SSR).
The bytecode compiler's (primitive? "effect") returned true, so it emitted
OP_CALL_PRIM instead of OP_GLOBAL_GET + OP_CALL. The VM's CALL_PRIM handler
found the native Nil-returning stub and never called the real effect function
from core-signals.sx.
Fix: Remove effect and register-in-scope from the primitives table. The server
overrides them via env_bind in sx_server.ml (after compilation), which doesn't
affect primitive? checks.
Also: VM CALL_PRIM now falls back to cek_call for non-NativeFn values (safety
net for any other functions that get misclassified).
15/15 source mode, 15/15 bytecode mode.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
signal-add-sub! used (append! subscribers f) which returns a new list
for immutable List but discards the result — after signal-remove-sub!
replaces the subscribers list via dict-set!, re-adding subscribers
silently fails. Counter island only worked once (0→1 then stuck).
Fix: use (dict-set! s "subscribers" (append ...)) to explicitly update
the dict field, matching signal-remove-sub!'s pattern.
Build pipeline fixes:
- sx-build-all.sh now bundles spec→dist and recompiles .sxbc bytecode
- compile-modules.js syncs .sx source files alongside .sxbc to wasm/sx/
- Per-file cache busting: wasm, platform JS, and sxbc each get own hash
- bundle.sh adds cssx.sx to dist
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
JIT compiler:
- Fix jit_compile_lambda: resolve `compile` via symbol lookup in env
instead of embedding VmClosure in AST (CEK dispatches differently)
- Register eval-defcomp/eval-defisland/eval-defmacro runtime helpers
in browser kernel for bytecoded defcomp forms
- Disable broken .sxbc.json path (missing arity in nested code blocks),
use .sxbc text format only
- Mark JIT-failed closures as sentinel to stop retrying
CSSX in browser:
- Add cssx.sx symlink + cssx.sxbc to browser web stack
- Add flush-cssx! to orchestration.sx post-swap for SPA nav
- Add cssx.sx to compile-modules.js and mcp_tree.ml bytecode lists
SPA navigation:
- Fix double-fetch: check e.defaultPrevented in click delegation
(bind-event already handled the click)
- Fix layout destruction: change nav links from outerHTML to innerHTML
swap (outerHTML destroyed #main-panel when response lacked it)
- Guard JS popstate handler when SX engine is booted
- Rename sx-platform.js → sx-platform-2.js to bust immutable cache
Playwright tests:
- Add trackErrors() helper to all test specs
- Add SPA DOM comparison test (SPA nav vs fresh load)
- Add single-fetch + no-duplicate-elements test
- Improve MCP tool output: show failure details and error messages
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
