docs(CLAUDE.md): three CSS / dashboard-iteration lessons from PR #358#359
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From the Specs page redesign session (PR #358): - overflow:hidden on a parent clips CSS ::after tooltip pseudo-elements. Move the clip to an inner child with min-width:0 so the outer container has visible overflow and the tooltip can escape above the element. - The worktree's .venv lacks optional extras like [ops] that the main checkout's .venv has. PYTHONPATH-overriding via the main venv is the cheap preview path — pairs with the existing 'editable install points at MAIN's source' lesson as the inverse direction (venv has deps, source is elsewhere). - Cache-buster query string on linked CSS (?v=<random> in base.html) unblocks UI iteration when static files lack Cache-Control headers. Dev-only — defeats caching in prod. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Three new lessons from the Specs page redesign session (#358):
CSS `overflow: hidden` clips `::after` tooltip pseudo-elements — when designing a CSS-only tooltip, the parent element MUST have visible overflow; clip on an inner child instead. Generalizable to any `::after` popover / badge / annotation pattern.
Worktree `.venv` lacks optional extras (e.g. `[ops]`) — pair with main checkout's venv via `PYTHONPATH=$(pwd)/src /path/to/main/.venv/bin/python -m attune.ops …`. This is the inverse of the existing "worktree-editable-install points at MAIN's source" lesson.
Cache-buster query string on linked CSS unblocks UI iteration when static files lack `Cache-Control` headers. Dev-only — defeats caching in prod. Lives in `base.html`'s ``.
Each lesson includes the diagnostic that would catch it next time and the specific fix shape.
Test plan
🤖 Generated with Claude Code