- Add client-side code runner via Web Workers (PicoC for C, MicroPython WASM for Python)
- Support interactive stdin with SharedArrayBuffer and Atomics
- Implement offline database mirror using Dexie.js with opportunistic auto-sync
- Add execution mode toggle in Playground (Browser vs Server)
- Configure COOP, COEP, and CORP security headers in SvelteKit server hook
- Fix Velxio and Flowchart Nginx headers and add credentialless attribute to iframes
- Mount Nginx configs in podman-compose.yml for velxio and flowchart services
- Add unit and E2E Playwright integration tests (100% passed)
- CLN-01: Verifikasi dan konsolidasi polyfill worker_threads.markAsUncloneable ke helper nodeCompat.ts
- CLN-01: Dokumentasi mekanisme require-time (node-polyfill.cjs) vs import-time (nodeCompat.ts)
- CLN-02: Hapus dependency dompurify dan @types/dompurify yang tidak terpakai dari package.json
- Verifikasi seluruh test suite (13 test files, 165 tests) tetap 100% lulus
- Mengganti sanitizer manual dengan isomorphic-dompurify dan hook whitelist/blocklist (BF-01 & BF-02)
- Memperbaiki parsing penjelasan flashcard non-MCQ agar mencari blockquote di seluruh body (BF-03)
- Menambahkan node-polyfill.cjs dan konfigurasi NODE_OPTIONS untuk mengatasi incompatibilitas worker_threads.markAsUncloneable pada Node 20 runtime (SSR blank screen fix)
- Menambahkan unit test keamanan embed (BF-04) dan parity tests dengan fixture backend (BF-05)
- Mendokumentasikan deduplikasi quiz tab pada detectActiveTabs (BF-06)
- add @types/node for hooks.server process/env types
- fix katex auto-render import path (contrib/auto-render)
- declare global Web Bluetooth API types in ble-deployer
- guard simApi null in CircuitEditor autosave interval
- default-type imports for CodeEditor/CircuitEditor
- make lesson slug getter non-nullable
- add expected_flowchart to LessonContent type
- key lesson workspace by slug; drop phantom onReset prop
- guard CodeTab render when lesson data is null
Test runner setup (vitest) plus deadline-based FIFO buffer that
becomes the single sink for serial bytes. readExact keeps
partial bytes buffered on timeout — the exact case that dropped
optiboot INSYNC/OK replies under the orphaned-reader race.
7 unit tests pass.
v3.1 enhancements (4 Jul 2026):
- Baud dropdown (9600/19200/38400) + CMD_SET_BAUD
- LED blink patterns per-state (IDLE/RECEIVING/FLASHING/SERIAL_BRIDGE)
- Arduino event-based connect/disconnect (CherryUSB)
- Serial terminal always visible saat paired
- Re-deploy fix: serial_bridge_stop before parser
- Dual baud: 115200 STK500 + 9600 serial bridge
- Footer v15, SW cache v14
This is a checkpoint commit. Next cycle: port Deploy from
SvelteKit (DeployTab.svelte) to Velxio React app (native integration).
DeployTab.svelte will be deprecated after port complete.
a2nr