The open-source build now ships exactly its product surface: /editor, the
examples gallery (/examples, /examples/:id) and the per-example editor
(/example/:id). Landing, about, pricing, docs, the 14 keyword-targeted
simulator landings and the v2/v2.5/v3 showcases move to the private
overlay, registered through the same registerProRoutes seam that already
carries login/admin/classroom.
Root behaves per build: an overlay that registers an index route claims
'/' (velxio.dev keeps its landing); otherwise '/' redirects to /editor.
The redirect waits for the overlay import to settle — same contract as
markProExamplesSettled — so a velxio.dev visitor is never bounced into
the editor because the landing was 300ms away from registering.
Prerender and sitemap follow the split: entry-server pulls the marketing
page map from '@pro/pages/marketing' behind a VITE_PRO_BUILD-gated dynamic
import (the proven main.tsx pattern, with an OSS stub for tsc), and
generate-sitemap lists only served routes in OSS builds (2 URLs) while
pro builds stay byte-identical — verified against a pre-migration
baseline: sitemap (37 URLs) and prerendered /, /about, /docs,
/arduino-simulator, /esp32-simulator, /v3 all identical modulo hashed
asset names. OSS prerender drops exactly the 32 marketing pages (348→316).
The OSS header slims down to match: Editor, Examples, GitHub, Discord —
the marketing links only render in pro builds, where their routes exist.
The editor Help menu links those pages absolutely (velxio.dev) in OSS,
exactly like the desktop app's Help menu.
Reportado en /example/pi5-opencv-vision: al recargar aparecia un instante
el 404 con el header completo (menus incluidos) y despues cargaba el
editor. La carrera: los ejemplos pro se registran cuando aterriza el
import dinamico del overlay, y la pagina resolvia la galeria ANTES,
concluia "no existe", pintaba el 404 y al llegar el registro re-renderizaba
al editor.
"No esta en la galeria" y "no esta TODAVIA" son respuestas distintas, asi
que el registro gana una senal de asentado: main.tsx la activa cuando el
import del overlay resuelve (o falla — finally), e inmediatamente en la
build OSS, donde no viene overlay y un 404 debe ser instantaneo. La pagina
se queda en "Loading example..." hasta que el registro asienta y solo
entonces un id ausente es de verdad un 404.
markProExamplesSettled es idempotente y solo notifica una vez, con test —
el sintoma de romper eso seria una tormenta de re-renders por hot-reload
del overlay.
The stepper-motor and biaxial-stepper parts only decoded a one-hot wave-drive coil sequence, so they never rotated under the common two-phase full-step / Stepper.h / AccelStepper drive that Wokwi's own examples use -- only the servo moved. Rewrote both decoders to track the net magnetic-field vector of the coils (atan2 of the H-bridge currents), so the rotor follows wave, two-phase full-step and half-step drive alike, whether driven directly from GPIO or through a driver's outputs.
Also adds an A4988 STEP/DIR stepper driver (parity with Wokwi's wokwi-a4988): velxio-a4988 element renders the real Pololu A4988 Fritzing breadboard SVG (public/components/a4988.svg); MotorDriverParts.ts finds the wired stepper via the netlist and advances it one (micro)step per STEP rising edge in the DIR direction (MS1-3 microstep + active-low ENABLE). Metadata in component-overrides.json. Three examples (Uno/ESP32/Pico) wire MCU STEP/DIR -> A4988 -> stepper, coil map aligned to Wokwi (1A->B+,1B->B-,2A->A+,2B->A-).
Verified in-browser: motor rotates on Arduino Uno (avr8js) and Raspberry Pi Pico (rp2040js). tsc --noEmit clean.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
v0.3.x main.tsx explicitly REFUSED to load @pro when VITE_DESKTOP was
true ("desktop owns its own license + auth UI"). v0.4.0 brings the
AI agent into the desktop bundle, so the refusal needs to relax for
that one use case.
New routing inside the if(VITE_PRO_BUILD) branch:
- VITE_DESKTOP also set → load @pro/desktop_index (slim entry that
only mounts AgentChatPanel + DiagnoseCompileButton, no analytics
/ sessions / billing / admin / save overrides - those expect
velxio.dev cookies the desktop has no way to send)
- VITE_DESKTOP not set → load @pro/index (existing web behavior)
VITE_DESKTOP alone (no pro) still loads zero overlay - that's the
pure-OSS desktop build path for self-hosters who don't have the
pro source tree at $PRO_OVERLAY_PATH.
Companion commit in velxio-prod creates @pro/desktop_index, adapts
the agent client for license-key Bearer auth, and updates
build-frontend.sh to pass both flags.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Three QoL fixes for the Tauri shell:
1. Hide the entire AppHeader strip in VITE_DESKTOP, not just the
marketing nav. The previous gate left the black bar painting
over the editor with the brand + auto-save + share + auth
slot, all of which are irrelevant in desktop (cloud Pro
features, license is handled by DesktopWelcomePage, the title
bar already says "Velxio Desktop"). Return null at the top so
the editor takes the full window height.
2. Splash screen during sidecar boot + Monaco hydration. Cold
launch was a 3-8 s black window — now there's an inline SVG
logo, "Velxio" wordmark, slogan, animated spinner, and a
"Starting local backend…" caption. Lives in index.html as a
fixed-position overlay with display:none by default; the inline
script reveals it only when `window.__TAURI__` is present, so
web users never see it. main.tsx fades it out (250 ms ease-out)
after two animation frames — guarantees React's first paint has
committed before the handoff, no black flash. Self-contained:
inline styles, inline SVG, inline CSS keyframes, zero external
requests.
3. Native locale switcher under View → Language. Emits
`velxio://menu` with action='set-locale' + the locale code; the
desktop/menu.ts handler navigates via history.pushState +
popstate so React Router picks it up without a hard reload
(Monaco + simulator state preserved). Locale list mirrors
i18n/config.ts::LOCALES.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Adds `lib/apiBase.ts` so the SPA can be repointed at a non-default backend
at runtime (via `window.__VELXIO_API_BASE__`) without losing the existing
`VITE_API_BASE` build-time override or the default `/api` reverse-proxy
behaviour. compilation / libraryService / projectService / metricsService
all flow through it now; axios clients use a request interceptor so the
base resolves per-request rather than at module-load time.
main.tsx grows a `VITE_DESKTOP` flag: when set, the @pro overlay is
skipped (the desktop shell handles license + auth natively) and a
small `./desktop/index` module is dynamic-imported in its place. OSS
builds tree-shake both branches.
LandingPage gets a `data-velxio-slot="landing-hero-primary-cta"` marker
above the existing hero CTAs so velxio.dev can inject an OS-detect
"Download Velxio Desktop" button as the visual primary. The slot is
empty in pure OSS.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Phase 3 of the OSS / pro split — frontend side. Phase 2 already moved
the auth/DB stack out of the OSS backend; this commit does the same
for the React app. After this, the OSS image is editor + simulator
+ landing + docs only.
What moved to the private overlay (pro/frontend/src/pro/):
pages/{Login,Register,ForgotPassword,ResetPassword}Page.tsx
pages/{Admin,UserProfile,Project,ProjectById}Page.tsx
components/admin/{AdminBoardsTab,AdminDashboardTab,UserActivityModal}.tsx
components/layout/{SaveProjectModal,LoginPromptModal}.tsx
services/{authService,adminService}.ts
store/useAuthStore.ts
hooks/autoSaveImpl.ts
New seams added so OSS components stay decoupled:
* lib/proRoutes.ts — registerProRoutes()/useProRoutes() via
useSyncExternalStore. mountPro() injects the moved pages at runtime;
App.tsx subscribes to the registry, so registration after the
initial render re-renders without a Not-Found flash.
* lib/proSession.ts — registerSessionCheck()/triggerSessionCheck().
App.tsx fires this on mount instead of useAuthStore.checkSession();
pure OSS no-ops.
* lib/proSaveAction.ts — installSaveActionImpl()/triggerSaveAction().
EditorPage's Save button dispatches through this; the overlay
decides whether to show SaveProjectModal or LoginPromptModal based
on auth state. In OSS without an overlay it's a no-op today; in
Phase 4 of the split it becomes the .vlx Export entry point.
OSS-side rewrites:
* App.tsx drops the 8 page imports + 8 route entries; uses
triggerSessionCheck() instead of useAuthStore directly.
* AppHeader.tsx drops the user/login/register block entirely. The
header-auth slot (introduced in Phase 1) now stays empty in OSS
and gets filled by the overlay's portal mount.
* EditorPage.tsx drops useAuthStore + SaveProjectModal +
LoginPromptModal imports. The Save handler is now triggerSaveAction().
* LandingPage.tsx drops the dead UserMenu component (defined but
never rendered) + its useAuthStore imports.
* main.tsx drops the side-effect import of hooks/autoSaveImpl — the
impl lives in pro now and self-registers via mountPro().
Build config:
* vite.config.ts adds @velxio alias → src/. Lets the overlay import
upstream modules (lib/proRoutes etc.) by stable name regardless of
whether it's symlinked (local dev) or COPYed (Docker).
* preserveSymlinks now gated on VITE_PRO_BUILD only (not on serve
mode). Needed so Rollup keeps the overlay logically inside src/pro/
during local junction-based builds.
Build verification:
* OSS-only: 20-ish routes, no /login, /admin, /:username — 285 SEO
pages prerendered. Bundle drops ~80-120 KB.
* OSS + overlay: full 38 routes (30 upstream + 8 from registerProRoutes),
HeaderAuth dropdown injected via slot, save action wired to the
overlay's modal flow.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
First phase of the OSS / pro split. Goal: open the seams so the auth/DB/admin
stack can move into the private overlay (Phase 2-3) without the routes that
stay in OSS (compile, libraries, simulation, iot_gateway) having to know.
Backend
-------
* New app/core/hooks.py — registry for record_compile, get_current_user_id,
and lifespan startup tasks. Each hook is a no-op by default; overlays
call register_* in register_pro(app) to plug in a real implementation.
* compile.py now imports only from app.core.hooks. Drops the direct deps on
app.core.dependencies, app.database.session, app.models.user, and
app.services.metrics. Route signatures use `Depends(get_current_user_id)`
instead of `Depends(get_current_user)`; the metric helper passes user_id
through rather than a User instance.
* compile_chip.py drops the unused _current_user Depends entirely.
* main.py wraps the auth/DB stack import in try/except. When it succeeds
(today's behavior on velxio.dev), an adapter bridges record_compile and
get_current_user_id to the existing app.services.metrics + dependencies,
and the create_all + ALTER TABLE migration block runs via a registered
lifespan_startup hook. When it fails (the post-Phase-2 OSS image), main
logs "running stateless" and skips registering anything — the routes
still load and behave as no-ops for metrics + always-anonymous for auth.
Frontend
--------
* useAutoSaveProject becomes a skeleton: one useState + one useEffect that
delegates to an installed AutoSaveImpl. installAutoSaveImpl() replaces
the impl without changing hook count, so React's rules-of-hooks stay
satisfied even after the impl moves out of OSS.
* New hooks/autoSaveImpl.ts holds the original logic (debouncing, dirty
detection, owner eligibility, fetch keepalive on unload), refactored to
emit() instead of useState. It self-registers at module load; main.tsx
imports it for the side effect.
* AppHeader wraps the entire user-vs-login UI in a data-velxio-slot
="header-auth" boundary. Today the OSS UI still renders inside the slot
— the overlay can portal-inject additional items now, and in Phase 3
the slot becomes the sole owner of header auth UX.
Behavior is identical on velxio.dev (pro overlay imports everything
successfully, every adapter wires up). The change is purely structural:
deleting the auth/DB modules tomorrow no longer crashes OSS at import.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This is Phase 1 of multi-language support: the visible chrome (header,
footer, language switcher) and routing are wired up for all 9 locales
(en, es, pt-br, it, fr, zh-cn, de, ja, ru) — same set the blog at
velxio.dev/blog/ already supports. The Editor and the long-form
landing-page copy are still English-only and will be translated in a
follow-up.
Infrastructure
- frontend/src/i18n/config.ts: locale registry + LOCALE_META (htmlLang,
native name, og locale, dir). Mirrors pro/blog/src/i18n/config.ts so
cookie sync stays consistent.
- frontend/src/i18n/cookie.ts: read/write the velxio_locale cookie at
Path=/; Max-Age=1y; SameSite=Lax (Secure on HTTPS). The blog reads
the same cookie via an inline script in its Layout.astro.
- frontend/src/i18n/path.ts: getLocaleFromPath / stripLocaleFromPath /
localizedPath / switchLocale / blogUrlFor — match the blog's helpers
one-to-one.
- frontend/src/i18n/index.ts: i18next bootstrap. English bundle is
inlined synchronously for first paint; non-default locales are
lazy-loaded via dynamic import on demand. Initial locale is decided
in priority order URL > cookie > navigator > en.
- frontend/src/i18n/LocaleSync.tsx: top-level wrapper inside <Router>.
On every URL change loads the matching locale bundle, calls
i18n.changeLanguage, writes the cookie, and mirrors the locale onto
<html lang> and dir.
- frontend/src/i18n/useLocalizedNavigate.ts: useCurrentLocale,
useLocalizedHref, useLocalizedNavigate hooks for components that
build internal links.
Routing
- App.tsx: route table extracted to a single ROUTES array, then
registered twice — once at the root (default English) and once
nested under each non-default locale (`/<locale>/...`). Explicit
per-locale parent routes (rather than a generic `:lang` param) so
React Router never accidentally swallows a real top-level path
like `/circuit-simulator` as a locale segment.
Header / Footer
- LanguageSwitcher.tsx + .css: dropdown matching the blog's
LanguageSwitcher.astro. Globe icon + locale code on the trigger,
native names + ISO codes in the menu. Click → `switchLocale()`
rewrites the URL under the new locale; LocaleSync handles the
rest (load bundle, change language, write cookie).
- AppHeader.tsx: every nav label and the auth dropdown copy now
goes through `t('header.nav.*')`, `t('header.auth.*')`. All
internal Links wrapped with localize() so navigation stays
inside the active locale. Added a "Blog" link computed via
`blogUrlFor(currentLocale)` so /es/ → /blog/es/, etc.
- LandingPage.tsx: footer About-Velxio paragraph reads from
t('footer.about').
Translations (Phase 1 strings)
- frontend/src/i18n/locales/<locale>/common.json: nav labels, auth
buttons, footer About copy. Hand-translated for all 9 locales,
AGPLv3 / brand names preserved as-is.
Tooling
- frontend/scripts/translate-i18n.mjs: standalone Node script that
takes the en.json bundles and auto-translates them to the 8 other
locales via DeepSeek (primary) + Gemini (fallback). One LLM call
per (locale, namespace) pair. Run after extracting new strings
with `npm run translate:i18n`.
Phase 2 (deferred)
- Editor (toolbar, file explorer, simulator canvas, component picker,
library manager, error toasts) — hundreds of strings.
- Examples / Docs / About / Profile pages.
- The translate-i18n.mjs script is ready to handle these once the
strings have been extracted into JSON keys.
Three small, backwards-compatible hooks let anyone with private features
(velxio.dev's analytics, custom integrations, paid tiers, …) layer them
on top of the open-source build without forking files.
Backend (app/main.py):
- After standard router registration, try-import an optional `app.pro`
module exposing `register_pro(app)`. ImportError is silently swallowed
(the OSS image doesn't ship `app.pro`, so this is a no-op there).
Frontend:
- EditorToolbar: new optional `rightSlot` prop renders extra elements
after the built-in right-group buttons (mirrors the existing
`centerSlot` pattern).
- main.tsx: dynamic `import('@pro/index')` gated by VITE_PRO_BUILD env.
When unset (OSS build), the branch is dead-code-eliminated and no pro
chunk is emitted.
- vite.config.ts: `@pro` alias resolves to `src/__pro_stub__/` by default.
Private builds set `VITE_PRO_BUILD=true` and `PRO_OVERLAY_PATH=<path>`
to point at their real overlay tree.
- src/__pro_stub__/index.ts: 1-line no-op `mountPro` so TypeScript and
Vite resolvers stay happy in OSS builds.
Verified: `npm run build:docker` succeeds; `npm test` passes 1161/1162;
the OSS bundle (43 MB) contains zero references to `__pro_stub__`,
`@pro`, or `pro/index` (verified via `grep dist/`).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The directory grew well beyond Wokwi-only contents: it now hosts
lcgamboa's QEMU fork (qemu-lcgamboa), Espressif's esp32-camera, the
ngspice WASM build, fritzing-parts, picowi, an alternative QEMU
(qemu-esp32), the 100_Days_100_IoT_Projects examples repo, and
Wokwi's own avr8js/rp2040js/wokwi-elements/wokwi-features/wokwi-boards.
"wokwi-libs" was misleading — half the contents have nothing to do
with Wokwi. "third-party/" is the standard convention for vendored
external dependencies.
Mechanical changes:
Path rename:
wokwi-libs/ → third-party/
update-wokwi-libs.bat → update-third-party.bat
docs/WOKWI_LIBS.md → docs/THIRD_PARTY.md
Submodule reconfiguration:
.gitmodules — 4 path= and section names updated
.git/modules/wokwi-libs/ → .git/modules/third-party/
each submodule's .git file rewired to ../../.git/modules/third-party/<name>
Reference updates (~80 files): vite.config.ts aliases, Dockerfile
COPY paths, GH Actions workflow steps, build_qemu_*.sh, all
docs/* and test/*/autosearch/* entries that mention the path,
package-lock.json file: dependencies, .gitignore patterns,
sitemap.xml + index.html SEO blurbs, scripts/generate-component-*,
.dockerignore, .idea/vcs.xml. Bulk replaced both `wokwi-libs/`
(path) and bare `wokwi-libs` (textual mentions in docs/comments).
Verified:
- npx tsc -b --noEmit produces no new errors related to these paths
- vite.config.ts aliases now point at ../third-party/avr8js etc.
- All 4 git submodules (avr8js, rp2040js, wokwi-elements,
wokwi-features) are linked under third-party/ with their
worktrees re-populated and config files referencing the new path
- `grep -r wokwi-libs` returns zero hits outside node_modules,
.vite, frontend/dist, third-party/ (upstream submodule contents),
*.pyc caches, and *.dll.pre-camera rollback binaries
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- Modified the index file to reflect the new naming convention for Velxio components.
- Changed JSX declarations to use 'velxio-' prefix for various components.
- Updated component overrides to replace 'wokwi-' with 'velxio-' for logic gates and other components.
- Adjusted SVG generation script to use 'velxio-' prefix for BMP280 and Raspberry Pi components.
- Marked submodules as dirty in QEMU and RP2040 libraries.
- Added .prettierignore and .prettierrc.json for consistent code formatting.
- Introduced InstrumentComponent with support for Voltmeter and Ammeter, including pin information handling.
Adds 44 SPICE mappers, 58 custom metadata entries, and 12 visual
Web Components covering logic gates, transistors, op-amps, regulators,
sources, electromechanical parts and integrated-circuit packaging.
Fase 9 — component catalog expansion
------------------------------------
- 7 logic gates (AND/OR/NAND/NOR/XOR/XNOR + NOT) as SPICE B-sources
- 8 multi-input gates (AND/OR/NAND/NOR with 3 and 4 inputs)
- 9 transistors: 5 BJTs (incl. PNP 2N3906/BC557) + 4 MOSFETs (incl.
P-channel IRF9540/FQP27P06). NMOS refactored from Level=3 W=0.1
(hangs ngspice) to Level=1 with sane W/L
- 5 op-amps: LM358, LM741, TL072, LM324 with per-chip saturation
rails + opamp-ideal
- 4 linear regulators (7805, 7812, 7905, LM317) with dropout
- 3 batteries (9V, AA, coin-cell) with realistic ESR
- Signal generator (sine / square / DC)
- 2 Schottky diodes (1N5817, 1N5819) + photodiode (lux-driven
current source)
Fase 10 — electromechanical + ICs
---------------------------------
- Relay (SPDT): coil + L + S-switch with native hysteresis +
flyback diode, inverted-control trick for the NC contact
- Optocouplers 4N25 and PC817 (LED + CCCS with CTR=0.5 / 1.0)
- 7 74HC ICs as DIP-14 packages emitting 4 or 6 B-sources per
component (first mapper pattern emitting multiple device cards)
- 3 flip-flops (D, T, JK) — digital-sim only (edge detection is
not representable in ngspice .op)
- L293D dual H-bridge motor driver
Infrastructure
--------------
- scripts/component-overrides.json gains a _customComponents[] array
that lets new Velxio-only parts survive metadata regeneration
(previously applyOverrides() could only patch wokwi-elements
components that had already been scanned)
- scripts/generate-component-metadata.ts injects custom entries
before the patch loop
- New ComponentCategory values: 'logic', 'analog', 'electromech'
- frontend/src/components/DynamicComponent.tsx PASSIVE tracing
extended from just ['resistor','resistor-us'] to 9 two-terminal
passives with per-part pin name maps
- New CI workflow test-circuit.yml runs the sandbox on push/PR
- frontend-tests.yml regenerates metadata and fails if committed
JSON is stale
- Documented 2 new ngspice gotchas in circuit-emulation-gotchas.md:
unicode in netlist titles silently hangs the parser, and
MOSFET Level=3 + W=0.1m causes .op to hang
- 164/164 sandbox tests passing in ~9 s (was 88 pre-fase-9)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Implemented Bmp280Element as a custom web component for the BMP280 barometric sensor, including SVG representation and pin configuration.
- Created CircuitPreview component to render circuit thumbnails using SVGs of components, including support for various boards and components.
- Added a script to generate SVG files from wokwi-elements, ensuring proper formatting and structure for reliable rendering.
- Introduced a test HTML generation script to visualize component SVGs.
- Created a new DocsPage component for project documentation with links to GitHub and Discord.
- Added Arduino sketch for serial communication test between Raspberry Pi and Arduino.
- Implemented avr_runner.js to emulate ATmega328P and bridge serial communication over TCP.
- Developed a Python test script to validate the serial integration between the emulated Raspberry Pi and Arduino.
- Added LogicGateParts.ts for simulating various logic gates (AND, NAND, OR, NOR, XOR, NOT).
- Introduced ProtocolParts.ts for simulating I2C and SPI components including SSD1306 OLED, DS1307 RTC, MPU6050 IMU, DHT22 sensor, HX711 load cell, IR receiver, IR remote, and MicroSD card.
- Implemented BasicParts.ts with a membrane keypad and rotary dialer simulations.
- Enhanced SensorParts.ts with a single NeoPixel and PIR motion sensor.
- Updated index.ts to include new parts for logic gates and protocols.
- Modified vite-env.d.ts to declare new custom elements for the added components.
- Created a new TypeScript file for component metadata types defining structure for dynamically loaded components.
- Implemented a metadata generator script that scans the wokwi-elements repository to extract component information, including properties and categories.
- Added package.json and package-lock.json for dependency management, including TypeScript and related tools.
- Introduced a new file to log ping statistics for testing purposes.
- Added SimulatorCanvas component for rendering the simulator interface.
- Integrated Wokwi components (Arduino, LED, Resistor, Pushbutton, Potentiometer) into the simulator.
- Created PinManager to handle pin state changes and notifications.
- Developed AVRSimulator class for emulating Arduino Uno functionality.
- Implemented hex file loading and compilation service.
- Added CSS styles for the simulator interface.
- Established Zustand stores for managing editor and simulator states.
- Created utility functions for parsing Intel HEX format.
- Set up Vite configuration for the frontend project.
- Added batch scripts for starting backend and frontend servers, and updating Wokwi libraries.
David Montero Crespo
naweiss