Bastien Chanot 469c807c10 feat(skills): add design-motion-principles from kylezantos

Motion/animation design skill with 3-designer lens (Emil Kowalski,
Jakub Krehel, Jhey Tompkins). Two modes: Create and Audit.
Complements frontend-design (broad) with deep motion expertise.

Integration points:
- skills-external/design-motion-principles/ — skill files + references
- link.sh EXTERNAL_SKILLS — symlink to ~/.claude/skills/
- install-plugins.sh step 8c — presence check
- update-all.sh step 7.2 — sync from GitHub
- profiles: design, full, web, web-full — listed as external
- plugin-advisor — decision table, recommended sets, conditional rules
- design-gate — symlink check + non-blocking warning if missing

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-05-25 22:40:23 +02:00

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DESIGN GATE — Auto-detect design tasks, activate ui-ux-pro-max

Inline snippet. Include in any agent STEP 0 that may touch UI/design.

WHEN TO RUN

Run this gate when the task description OR target files match design signals.

DETECTION

Check BOTH the task description AND the filesystem:

Task description signals (case-insensitive match on $ARGUMENTS):

UI keywords: component, button, card, modal, dialog, tooltip, dropdown, sidebar, navbar, header, footer, layout, grid, form, input, table
Style keywords: css, style, theme, color, font, spacing, margin, padding, border, shadow, animation, transition, hover, responsive, dark mode, light mode
Design keywords: design, ui, ux, visual, polish, pixel, figma, mockup, wireframe, prototype
Framework UI: tailwind, styled-component, emotion, chakra, radix, shadcn, headless

Filesystem signals (quick check, no deep scan):

Target files have .tsx, .jsx, .css, .scss, .less, or .module.css extension
tailwind.config or postcss.config present in project root
tokens/, theme/, or design-system/ directory exists
Storybook config (.storybook/) present
Animation lib in package.json deps: motion, motion-v, framer-motion (legacy), gsap, @gsap/react, lottie-react, react-spring, popmotion, @formkit/auto-animate

DECISION

If at least one signal is detected:

Check if ui-ux-pro-max, frontend-design, and design-motion-principles are active:

source "$HOME/.claude/lib/detect-plugins.sh"
detect_uiux_pro_max && echo "ui-ux-pro-max: ACTIVE" || echo "ui-ux-pro-max: INACTIVE"
[ -L "$HOME/.claude/skills/frontend-design" ] && echo "frontend-design: ACTIVE" || echo "frontend-design: INACTIVE"
[ -L "$HOME/.claude/skills/design-motion-principles" ] && echo "design-motion-principles: ACTIVE" || echo "design-motion-principles: INACTIVE"

If all three ACTIVE → proceed silently. Design context is fully available.
If ui-ux-pro-max INACTIVE → ask the user:
```
🎨 DESIGN DETECTED — task touches UI/styling.
ui-ux-pro-max is not active. Activate it for design-aware guidance?
(yes / no)
```
- On yes → print ⚡ Activating ui-ux-pro-max... and proceed with design context.
- On no → print Proceeding without design plugin. and continue normally.

If frontend-design INACTIVE → warn (non-blocking):

ℹ️ frontend-design skill not installed — anti-AI-slop design guidelines unavailable.
Install: run install-plugins.sh or symlink skills-external/frontend-design to ~/.claude/skills/frontend-design

If design-motion-principles INACTIVE and task mentions animation/motion/transition → warn (non-blocking):

ℹ️ design-motion-principles skill not installed — motion design guidelines unavailable.
Install: run install-plugins.sh or symlink skills-external/design-motion-principles to ~/.claude/skills/design-motion-principles

IMPORTANT

This gate adds ~5 seconds overhead. Worth it for design quality.
Do NOT run this gate on pure backend/API/CLI tasks (no signals = no gate).
If no signal detected → skip entirely, zero overhead.

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