Hide and show traces

[cgreening]

Summary

Adds the ability to hide and show traxces.

Motivation & Context

Closes #14

Changes

Adds a checkbox to the stats panels that lets you turn traces off and on.

Screenshots / Demos (if UI)

How to Test

1. Start plotting
2. Click the checkbox on the stats panel on and off

Checklist

• I ran npm run lint and fixed any issues
• I ran npm run typecheck (TypeScript) with no errors
• I ran npm test and tests pass
• I ran npm run test:coverage if code paths changed significantly
• I added/updated tests where appropriate
• I updated docs/README if needed
• No breaking changes without clear migration notes

Additional Notes

I thought about doing this in the legend, but felt that might get a bit busy.

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	web-serial-plotter	a288e2c	Commit Preview URL Branch Preview URL	Oct 01 2025, 09:29 PM

[Copilot]

Pull Request Overview

This PR adds the ability to hide and show individual plot traces by introducing a visible property to series data and updating the UI to provide checkboxes in the stats panels. This allows users to selectively display only the traces they want to see.

• Adds a visible: boolean property to the PlotSeries interface
• Updates plot rendering logic to skip hidden series in drawing and y-axis calculations
• Adds checkboxes to stats panels for toggling trace visibility with visual feedback

Reviewed Changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/types/plot.ts	Adds visible boolean property to PlotSeries interface
src/store/RingStore.ts	Implements visibility toggling functionality and excludes hidden series from y-range calculations
src/utils/plotRendering.ts	Updates drawing functions to skip hidden series
src/components/StatsPanel.tsx	Adds visibility checkboxes and conditional stats computation
src/components/Legend.tsx	Filters legend to only show visible series
Test files	Updates test data to include the new visible property

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