Add diff viewer server and four new snapshot examples#49
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- Add server.js: zero-dependency Node.js dev server serving a visual diff viewer at http://localhost:3456 (sidebar thumbnails + before/after/diff) - Add npm run serve script - Add .claude/launch.json for Claude Code preview integration - Add four new snapshot test cases: happo-example-1, happo-example-2, happo-example-3, whitespace-shift Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
server.js: Zero-dependency Node.js dev server with a visual diff viewer — sidebar lists all snapshots with thumbnails, main area shows before/after/diff side-by-sidenpm run servescript added;.claude/launch.jsonwires it up for Claude Code preview integrationhappo-example-1,happo-example-2,happo-example-3,whitespace-shiftTest plan
npm run serveand open http://localhost:3456npm testto confirm all snapshot tests pass🤖 Generated with Claude Code