fix(web): preset-relative LoRa signal quality rating - #1413
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Fixes meshtastic#1241 - Add preset-relative floor table (17 presets, MEDIUM_TURBO included, graceful LONG_FAST fallback) and rateSignalQuality with noise-floor dual-margin / RSSI-blend / SNR-only paths per meshtastic/design#15 - Consolidate fixed-threshold sites (signalColor, SNRLayer, NodeDetail, Nodes) to single shared function - WCAG 1.4.1: tier now encoded in color + icon + text (SignalHigh/Medium/Low + i18n nodes.signalQuality.*) - Hardware-proven on 99 live nodes (MF→SF→MF, 273 tests, 44 tsc) Signed-off-by: RuffR1d3r <76077201+RuffR1d3r@users.noreply.github.com>
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Organization UI Review profile: CHILL Plan: Pro Plus Run ID: 📒 Files selected for processing (1)
Included review availability: Your plan provides up to 4 included reviews per hour; 1 remains after this review. 📝 WalkthroughWalkthroughThe web app now rates signal quality relative to the active modem preset. It applies shared SNR, RSSI, and noise-floor classification to map lines, node lists, and node details. The UI shows localized quality labels, signal icons, and measured SNR values. ChangesSignal quality
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: ⚪ Minimal · up to The PR updates signal-quality ratings to use the active modem preset and adds accessible tier indicators; no actionable merge-blocking risk remains beyond normal checks and review. Sequence Diagram(s)sequenceDiagram
participant DeviceConfig
participant SNRLayer
participant getSignalColor
participant rateSignalQuality
participant MapLine
DeviceConfig->>SNRLayer: provide modem preset
SNRLayer->>getSignalColor: pass SNR, RSSI, and preset
getSignalColor->>rateSignalQuality: classify signal quality
rateSignalQuality-->>getSignalColor: return quality tier
getSignalColor-->>MapLine: return color
Poem
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Description checkExplanation The description includes the required sections, explains the problem and implementation, lists related issue Full details: Linked Issues checkExplanation The changes satisfy issue
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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Actionable comments posted: 1
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Inline comments:
In `@apps/web/src/pages/Nodes/index.tsx`:
- Around line 163-167: Update the SNR rendering in the Nodes component,
including the additional affected cell, so a nullish node.snr remains blank or
displays an unknown value instead of defaulting to 0 dB; preserve 0 dB only when
node.snr is an actual zero, while keeping rateSignalQuality behavior unchanged.
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ℹ️ Review info
⚙️ Run configuration
Configuration used: Organization UI
Review profile: CHILL
Plan: Pro Plus
Run ID: 6889d232-9094-4027-8950-9e742af9c07b
📒 Files selected for processing (7)
apps/web/public/i18n/locales/en/nodes.jsonapps/web/src/components/PageComponents/Map/Layers/SNRLayer.tsxapps/web/src/components/PageComponents/Map/Popups/NodeDetail.tsxapps/web/src/core/utils/signalColor.tsapps/web/src/core/utils/signalQuality.test.tsapps/web/src/core/utils/signalQuality.tsapps/web/src/pages/Nodes/index.tsx
Included review availability: Your plan provides up to 4 included reviews per hour; 2 remain after this review.
Coderabbit: null SNR was shown as 0 dB in red. Render unknown instead; keep 0 dB only for actual zero reading per rateSignalQuality. Related to meshtastic#1241 Signed-off-by: RuffR1d3r <76077201+RuffR1d3r@users.noreply.github.com>
1 participant
Description
Preset-relative LoRa signal quality: SNR is now judged against the active modem preset's demodulation floor (per meshtastic/design#15) instead of fixed thresholds. Fixes the bug where -15 dB was called "bad" on LongSlow (excellent) or "good" on ShortFast (unusable).
Related Issues
Fixes #1241
Changes Made
core/utils/signalQuality.ts— 17-preset floor table (incl. MEDIUM_TURBO),getSnrLimit+rateSignalQuality(noise-floor dual-margin → RSSI-blend → SNR-only)signalColor.ts,SNRLayer.tsx,NodeDetail.tsx,Nodes/index.tsx— consolidated to shared functionnodes.json— addedsignalQuality.good/fair/bad/nonekeysTesting Done
pnpm exec vitest run— 273/273 (16 new, table-driven, Android-mirrored, boundary -5.5/-7.5)pnpm exec tsc --noEmit— 44/44 identical to mainpnpm exec oxlint— clean (1 pre-existing a11y warning only)Screenshots
Before: fixed thresholds, linear % — After: preset-relative Good/Fair/Weak/No signal with icon+color+text (verified on Nodes table + NodeDetail popup)
Checklist
Summary by CodeRabbit
New Features
Bug Fixes