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refactor(http): serve web UI from LittleFS, bundled with Vite - #60
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The calibration bar was display-only, so joints could only be moved with the nudge buttons. It is now a range input that moves the servo on release and is disabled while a move is in flight. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
This reverts commit 2296c37.
The generic form-group range margin outranked the class selector and pushed the slider below the drawn track. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The control panel now lives in ui/ as plain HTML, CSS and JS. pio run gzips it into data/ui/, the firmware streams the page and /ui/* assets from LittleFS with Content-Encoding: gzip, and a missing filesystem image returns a 503 with upload instructions. Firmware shrinks by about 72 KB. The markup is linted with html-validate, locally and in CI. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Included review availability: This review used your included allowance. Your plan provides up to 4 included reviews per hour; 2 remain after this review. 📝 WalkthroughWalkthroughThe pull request adds a Vite-based control panel with configuration and setup workflows. Build scripts package version-stamped gzip assets into LittleFS, and firmware serves them through HTTP routes. OTA uploads now send the filesystem before firmware. CI and documentation add UI build and test steps. ChangesWeb UI and LittleFS delivery
Priority: ⬇️ Low Estimated code review effort: 4 (Complex) | ~60 minutes Change: Refactor Suggested reviewers: Merge Risk: ⚪ Minimal · up to The documented OTA retry and USB recovery paths remain available after a failed filesystem update. No actionable merge-blocking issue remains. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 8.57% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 70 functions across 31 files. (3 skipped: 3 unsupported.)
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The control panel script is split into ES modules under ui/src/ and written as modern JS. Vite bundles and minifies JS and CSS, html-minifier-terser minifies the HTML, and pio run builds the UI before gzipping it onto LittleFS. Hashed assets under /ui/assets/ are served as immutable. ESLint, Prettier and html-validate run via npm run lint in ui/. Building the firmware now needs Node 20.19+. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Mechazawa
changed the title
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Prefix matching sent /animations and /tests to the robot instead of the Vite dev server. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Adds @stylistic/padding-line-between-statements and curly: all to the UI ESLint config and applies them. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Applies the standard config: modern color notation, unprefixed appearance, kebab-case LED color classes (led-r/led-g/led-b), and button state rules grouped at the end so specificity ascends through the file without changing which rule wins. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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One thing I'd like to pick up if this gets merged is migrating to Typescript/React or similar and cleaning up the front-end code |
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @ui/vite.config.js:
- Line 6: Update the anchored patterns in the apiRoutes array so `/settings` and
`/anim` requests match whether they include query strings or path suffixes,
while preserving the existing route boundaries and proxy behavior. Apply the
same query-string boundary handling to `/auth` and `/health` so those anchored
routes also match requests with query parameters.
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.github/PULL_REQUEST_TEMPLATE.md.github/workflows/ci.yml.github/workflows/release.yml.gitignoreAGENTS.mdCONTRIBUTING.mddocs/api.mddocs/flash.mddocs/hardware/testing.mddocs/settings.mddocs/testing.mdscripts/audio_pack.pyscripts/copy_assets.pyscripts/ui_pack.pysrc/http/index_page.cppsrc/http/index_page.hsrc/http/json.cppsrc/http/routes.cppui/.gitignoreui/.htmlvalidate.jsonui/.prettierignoreui/.prettierrc.jsonui/.stylelintrc.jsonui/eslint.config.jsui/index.htmlui/package.jsonui/src/animations.jsui/src/api.jsui/src/config.jsui/src/device.jsui/src/dom.jsui/src/health.jsui/src/main.jsui/src/servo-ranges.jsui/src/servo.jsui/src/settings.jsui/src/setup/calibration.jsui/src/setup/led.jsui/src/setup/wizard.jsui/src/shell.jsui/src/status.jsui/src/style.cssui/src/tests.jsui/vite.config.js
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The overall direction looks good. Moving the web UI out of the embedded C++ string into a proper Vite-based frontend should make this significantly easier to maintain and develop. I am requesting changes for two reasons:
I would also strongly prefer at least a small set of functional tests around the extracted UI logic. This PR moves a lot of behavior (auth, settings, setup flow, servo calibration and provisioning) from one embedded script into multiple modules, and linting alone will not catch behavioral regressions. |
Anchoring at the end of the path missed /settings?… and /anim?…, so saves and animation requests stayed on the Vite dev server. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
/setup/servo skips the safe-range clamp, so a drag could command a large jump and make parts collide or pull cables. The nudge buttons stay the only way to move a joint during calibration; the bar shows the angle and the saved band. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
…to task/extract-index-page-assets
The build stamps the web UI with the firmware version, and the firmware returns 503 naming both versions instead of serving a UI from another build. -t ota now uploads the filesystem first, waits for the robot to reboot, then uploads the firmware; -t otafs remains for recovery. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Each test loads the real index.html in jsdom, imports the UI modules and drives them against a stubbed fetch that answers like the firmware and records requests. Covers the auth gate, config saving and access token states, the servo page range hint, and the setup wizard: step order, what each step saves, step-only calibration moves and LED order validation. CI runs npm test after the lint step. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Added tests in 41fc7dc. |
The inline page in src/http/index_page.cpp lives in ui/index.html on this branch, so the POST /play route, its name values and the talking animation are added there. The dev server proxies /play to the robot. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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- 🪄 Fix CodeRabbit comments on this PR
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @AGENTS.md:
- Line 26: Update the Node version guidance in AGENTS.md to match the exact UI
engine range declared in ui/package.json, ^20.19.0 || >=22.12.0, so it excludes
unsupported Node releases.
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AGENTS.mdsrc/http/index_page.cppsrc/http/routes.cppui/index.htmlui/vite.config.js
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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VUaQRAXtYTdrXQ4C4us2V5
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Thanks a lot for this contribution! This turned into a really solid refactor. I especially appreciate the work on separating the frontend, adding tests and linting, and iterating carefully on the review feedback around setup safety and firmware/UI compatibility. The result is much easier to maintain and evolve. Great work, and thanks for polishing the edge cases along the way! |
…ware Keep the embedded web UI. Do not restore LittleFS UI serving from jamro#60.
What
The history includes the commits from #59 (closed) and a revert of their behaviour: per the review there, the setup wizard servo bar stays display-only and the nudge buttons remain the only way to move a joint during calibration. What carries over is styling only: the servo test page slider uses a shared
.servo-sliderclass whose thumb sits centered on the track.The control panel moves out of the 1600-line raw string in
src/http/index_page.cppintoui/:index.html,src/style.css, and ES modules undersrc/(shell/routing, API client, status bar, servo page, config, animations, tests, and the setup wizard split into calibration and LED mapping). The JS is rewritten as modern JS:const/let, arrow functions,async/await,URLSearchParams, and oneperform()helper for the lock / POST / report-status pattern every action used to repeat.Vite bundles and minifies JS and CSS;
html-minifier-terserminifies the HTML.pio run(and thereforebuildfs,uploadfs,otafs) runsnpm ciwhen the lockfile changed, thenvite build, then gzipsui/dist/intodata/ui/. The LittleFS size check now counts subdirectories.Firmware streams
/ui/index.html.gzfor the page routes (no-cache) and serves/ui/*withContent-Encoding: gzip. Content-hashed bundles under/ui/assets/getmax-age=31536000, immutable. If the filesystem image is missing, the page returns a 503 with upload instructions.Bundle size, stored and sent gzipped:
index.htmlassets/index-*.jsassets/index-*.cssBefore, the page was 77.7 KB of HTML compiled into the firmware and sent uncompressed. Firmware is about 72 KB smaller; the full LittleFS image including WAVs is 712 KB of 1.8 MB. Repeat visits only refetch the 6.6 KB HTML since the hashed assets are cached as immutable.
npm run dev --prefix uiserves the UI on 127.0.0.1 and proxies API calls toTINY_ENGINEER_URL, so UI work does not need a flash.npm run lint --prefix uiruns html-validate, ESLint (no-var,prefer-const,prefer-template,curly, blank lines around control flow via@stylistic/padding-line-between-statements, …), Stylelint (stylelint-config-standard) and Prettier --check, and runs in CI. Fixed what html-validate flagged: explicittype="button",<thead>/<tbody>on the API tables, inline styles moved to CSS. Duplicated auth/reboot gate styles are merged into one.gateclass. For Stylelint, the LED color classes are renamed to kebab-case (led-r/led-g/led-b) and button state rules are grouped at the end of the stylesheet so specificity ascends without changing which rule wins.Firmware and filesystem are one release unit. The build stamps
/ui/version.txtwith the firmware version (git describe), and the firmware returns a 503 naming both versions instead of serving a UI from another build; this also catches an OTA rollback to the previous firmware slot.pio run -e ota -t otanow uploads the filesystem first, waits for the robot to come back, then uploads the firmware;-t otafsremains for recovery.Functional tests:
npm test --prefix uiruns Vitest in jsdom. Each test loads the realindex.html, imports the UI modules and drives them against a fake robot (stubbedfetchthat answers like the firmware and records requests). 20 tests cover the auth gate, config saving and access-token states, the servo page range hint, and the setup wizard: step order, what each step saves, step-only calibration moves with clamping and revert on failure, and LED order validation. CI runs them after lint.Building the firmware now needs Node 20.19+ on 20.x, or 22.12+, alongside PlatformIO. The firmware CI job and the release workflow install Node 22;
docs/flash.mdlists it as a prerequisite. Release artifacts and the web flasher already shiplittlefs.bin.Checks
type(scope): summarytype!:plus aBREAKING CHANGE:footer — none;GET /ui/*is additivepio runand/orpio test -e nativewhen that code changed —pio run(default,ota,expression-demo),pio run -t buildfs,pio test -e native,python3 scripts/test_audio_pack.py,npm test --prefix uinpm test --prefix packages/tiny-engineer-cursor/…/tiny-engineer-antigravity/…/tiny-engineer-claude-codewhen that package changed — N/A, no package changesui/index.html) +docs/api.md(and README /docs/hardware/testing.mdif the route list changed) —GET /ui/*added to the in-page route table,docs/api.mdanddocs/hardware/testing.md; README has no route listdocs/settings.md; no rawaccess_tokenin logs — no new settings;docs/settings.mdweb UI section points atui/.f3d+ exported.3mf; CERN-OHL-S;AiEmblem.3mfnot used as a branding swap — N/Ainclude/pins.h+docs/hardware/together — N/A-t otaorder, every page loaded with no JS errors, settings and servo ranges load, caching headers verified. A filesystem-only upload from a newer commit gave the 503 with both versions; a full-t otabrought the page back. The setup wizard (setup AP mode) and actions that move servos or save settings were not exercised on hardware..env, tokens, or Wi-Fi passwords in logs or screenshotsPCB (if this PR changes a board)
N/A — no board changes.
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