squint: a Claude Code skill and a /visual-check command

The tool measures and never calls a model; judging what a difference means
is the skill's job. It covers which mode to reach for (review by default,
because the bugs people report were never regressions), reading result.json
without filling a context window with pictures of pages that did not
change, the three things a moved shot can be, reviewing against the
project's own design guide rather than taste, and the determinism traps
that make a shot move for reasons that are not the code's.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01X1aAjLD4wvan3wsmkHPPh3
James Millscommitted parent 53183870fb76986e87db8b416f0c30efe073ea694e40359Browse files
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Rendering diff…