Add a Print / PDF export button#4
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The @media print stylesheet already reduces a solved train to a clean spec sheet — summary line, best-row schematic, and results table, with the input panel, onboarding intro, and export controls hidden. There was no affordance for it, so a user had to reach for the browser's own print command. Add a "Print / PDF" button alongside Copy link / Copy JSON / Download CSV that calls window.print(); the browser dialog covers "Save as PDF" for free. The button carries data-export, so the existing print CSS hides it in the output. Closes #3 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LegpdV1tMs2dUyzAd7tCzH
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What
Adds a Print / PDF button alongside Copy link / Copy JSON / Download CSV. It calls
window.print(), so the browser's dialog also covers "Save as PDF".Why
A print stylesheet (
@media printinapp.css) already turns a solved train into a clean spec sheet, but there was no visible affordance — a user had to know to reach for the browser's own print command.How
<button data-export="print">Print / PDF</button>in the export slot, wired towindow.print().data-export, it inherits the existing button styling and the print CSS hides.export-slot— so the button removes itself from the output. No CSS change needed.Verification
pnpm --filter @involute/web test— 34 passed, including a new test asserting the button opens the print dialog.pnpm --filter @involute/web build— clean.Closes #3
🤖 Generated with Claude Code
https://claude.ai/code/session_01LegpdV1tMs2dUyzAd7tCzH