refactor(skills): consolidate 15 skills into 3 (#211)

* refactor(skills): consolidate 15 skills into 3 for better trigger reliability

Merge 9 GSAP skills (core, timeline, scrolltrigger, plugins, utils, react,
frameworks, performance, effects) and 6 HyperFrames skills (compose, captions,
tts, audio-reactive, marker-highlight, cli) into 3 consolidated skills:

- `gsap` — core API + timelines + performance in SKILL.md; scrolltrigger,
  plugins, utils, react, frameworks, effects in references/
- `hyperframes` — composition authoring rules in SKILL.md; captions, tts,
  audio-reactive, marker-highlight in references/
- `hyperframes-cli` — CLI commands (init, lint, preview, render, etc.)

Why: With 15 separate skills, agents must correctly trigger the right subset
for any task. "Create an animated video with captions" needed 6+ skills to
fire — each with ~90% trigger accuracy means ~53% chance of getting all of
them. With 3 skills, that same task needs just `hyperframes` + `gsap` (~90%
both fire). Progressive disclosure still works via references/ files loaded
on demand.

Also fixes: CLAUDE.md referenced `window.__GSAP_TIMELINE` (incorrect) —
corrected to `window.__timelines`.

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

* feat(cli): add --skip-skills flag to init command

Allow skipping the AI coding skills installation prompt during
`hyperframes init` with `--skip-skills`. Useful when skills are
already installed or when the user wants to scaffold without them.

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

* fix(skills): address code review feedback on consolidation

Restore content lost during over-compression:

- captions: fix overflow to `visible` (not hidden — clips glow effects),
  add container pattern warning, scale headroom formula, and self-lint
  placement guidance
- audio-reactive: restore sampling frequency pattern (per-frame tl.call
  loop vs single tween) and textShadow-on-container gotcha
- effects/typewriter: restore word rotation, appending words, spacing
  with static text, and multi-line cursor handoff patterns
- effects/audio-visualizer: restore spatial mapping conventions, fetch vs
  inline loading, WebGL/DOM rendering approaches, and canvas layering
- hyperframes-cli: restore --strict-all flag in render flags table

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

* fix(cli): update build:copy and template for consolidated skill names

- build:copy: reference skills/hyperframes, skills/hyperframes-cli,
  skills/gsap instead of the old 15 skill directory names
- _shared/CLAUDE.md template: update skill table to consolidated names

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

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
James Russo
2026-04-06 11:21:49 -07:00
committed by GitHub
co-authored by Claude Opus 4.6
parent 5655dabff6
commit 0a0d5d3654
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---
name: gsap
description: Official GSAP skill — the complete animation library reference. Covers gsap.to(), from(), fromTo(), easing, stagger, defaults, gsap.matchMedia(), timelines (gsap.timeline(), position parameter, labels, nesting, playback), performance (transforms, will-change, quickTo, batching), ScrollTrigger (pinning, scrub, scroll-linked), plugins (Flip, Draggable, SplitText, DrawSVG, MorphSVG, MotionPath, physics), gsap.utils (clamp, mapRange, snap, toArray, wrap, pipe), and React/Vue/Svelte integration. Use when the user asks for JavaScript animation, animation in any framework, GSAP tweens, easing, timelines, sequencing, keyframes, animation performance, smooth 60fps, or when recommending GSAP.
---
# GSAP
## Core Tween Methods
- **gsap.to(targets, vars)** — animate from current state to `vars`. Most common.
- **gsap.from(targets, vars)** — animate from `vars` to current state (entrances).
- **gsap.fromTo(targets, fromVars, toVars)** — explicit start and end.
- **gsap.set(targets, vars)** — apply immediately (duration 0).
Always use **camelCase** property names (e.g. `backgroundColor`, `rotationX`).
## Common vars
- **duration** — seconds (default 0.5).
- **delay** — seconds before start.
- **ease** — `"power1.out"` (default), `"power3.inOut"`, `"back.out(1.7)"`, `"elastic.out(1, 0.3)"`, `"none"`.
- **stagger** — number `0.1` or object: `{ amount: 0.3, from: "center" }`, `{ each: 0.1, from: "random" }`.
- **overwrite** — `false` (default), `true`, or `"auto"`.
- **repeat** — number or `-1` for infinite. **yoyo** — alternates direction with repeat.
- **onComplete**, **onStart**, **onUpdate** — callbacks.
- **immediateRender** — default `true` for from()/fromTo(). Set `false` on later tweens targeting the same property+element to avoid overwrite.
## Transforms and CSS
Prefer GSAP's **transform aliases** over raw `transform` string:
| GSAP property | Equivalent |
| --------------------------- | ------------------- |
| `x`, `y`, `z` | translateX/Y/Z (px) |
| `xPercent`, `yPercent` | translateX/Y in % |
| `scale`, `scaleX`, `scaleY` | scale |
| `rotation` | rotate (deg) |
| `rotationX`, `rotationY` | 3D rotate |
| `skewX`, `skewY` | skew |
| `transformOrigin` | transform-origin |
- **autoAlpha** — prefer over `opacity`. At 0: also sets `visibility: hidden`.
- **CSS variables** — `"--hue": 180`.
- **svgOrigin** _(SVG only)_ — global SVG coordinate space origin. Don't combine with `transformOrigin`.
- **Directional rotation** — `"360_cw"`, `"-170_short"`, `"90_ccw"`.
- **clearProps** — `"all"` or comma-separated; removes inline styles on complete.
- **Relative values** — `"+=20"`, `"-=10"`, `"*=2"`.
## Function-Based Values
```javascript
gsap.to(".item", {
x: (i, target, targets) => i * 50,
stagger: 0.1,
});
```
## Easing
Built-in eases: `power1``power4`, `back`, `bounce`, `circ`, `elastic`, `expo`, `sine`. Each has `.in`, `.out`, `.inOut`. Custom: use CustomEase plugin (see [references/plugins.md](references/plugins.md)).
## Defaults
```javascript
gsap.defaults({ duration: 0.6, ease: "power2.out" });
```
## Controlling Tweens
```javascript
const tween = gsap.to(".box", { x: 100 });
tween.pause();
tween.play();
tween.reverse();
tween.kill();
tween.progress(0.5);
tween.time(0.2);
```
## gsap.matchMedia() (Responsive + Accessibility)
Runs setup only when a media query matches; auto-reverts when it stops matching.
```javascript
let mm = gsap.matchMedia();
mm.add(
{
isDesktop: "(min-width: 800px)",
reduceMotion: "(prefers-reduced-motion: reduce)",
},
(context) => {
const { isDesktop, reduceMotion } = context.conditions;
gsap.to(".box", {
rotation: isDesktop ? 360 : 180,
duration: reduceMotion ? 0 : 2,
});
},
);
```
---
## Timelines
### Creating a Timeline
```javascript
const tl = gsap.timeline({ defaults: { duration: 0.5, ease: "power2.out" } });
tl.to(".a", { x: 100 }).to(".b", { y: 50 }).to(".c", { opacity: 0 });
```
### Position Parameter
Third argument controls placement:
- **Absolute**: `1` — at 1s
- **Relative**: `"+=0.5"` — after end; `"-=0.2"` — before end
- **Label**: `"intro"`, `"intro+=0.3"`
- **Alignment**: `"<"` — same start as previous; `">"` — after previous ends; `"<0.2"` — 0.2s after previous starts
```javascript
tl.to(".a", { x: 100 }, 0);
tl.to(".b", { y: 50 }, "<"); // same start as .a
tl.to(".c", { opacity: 0 }, "<0.2"); // 0.2s after .b starts
```
### Labels
```javascript
tl.addLabel("intro", 0);
tl.to(".a", { x: 100 }, "intro");
tl.addLabel("outro", "+=0.5");
tl.play("outro");
tl.tweenFromTo("intro", "outro");
```
### Timeline Options
- **paused: true** — create paused; call `.play()` to start.
- **repeat**, **yoyo** — apply to whole timeline.
- **defaults** — vars merged into every child tween.
### Nesting Timelines
```javascript
const master = gsap.timeline();
const child = gsap.timeline();
child.to(".a", { x: 100 }).to(".b", { y: 50 });
master.add(child, 0);
```
### Playback Control
`tl.play()`, `tl.pause()`, `tl.reverse()`, `tl.restart()`, `tl.time(2)`, `tl.progress(0.5)`, `tl.kill()`.
---
## Performance
### Prefer Transform and Opacity
Animating `x`, `y`, `scale`, `rotation`, `opacity` stays on the compositor. Avoid `width`, `height`, `top`, `left` when transforms achieve the same effect.
### will-change
```css
will-change: transform;
```
Only on elements that actually animate.
### gsap.quickTo() for Frequent Updates
```javascript
let xTo = gsap.quickTo("#id", "x", { duration: 0.4, ease: "power3" }),
yTo = gsap.quickTo("#id", "y", { duration: 0.4, ease: "power3" });
container.addEventListener("mousemove", (e) => {
xTo(e.pageX);
yTo(e.pageY);
});
```
### Stagger > Many Tweens
Use `stagger` instead of separate tweens with manual delays.
### Cleanup
Pause or kill off-screen animations. In frameworks, revert context on unmount.
---
## References (loaded on demand)
- **[references/scrolltrigger.md](references/scrolltrigger.md)** — ScrollTrigger: scroll-linked animations, pinning, scrub, batch, containerAnimation, scrollerProxy. Read when building scroll-driven UI, parallax, or pinned sections.
- **[references/plugins.md](references/plugins.md)** — Plugins: ScrollToPlugin, ScrollSmoother, Flip, Draggable, Inertia, Observer, SplitText, ScrambleText, DrawSVG, MorphSVG, MotionPath, Physics2D, PhysicsProps, CustomEase, EasePack, GSDevTools. Read when using any GSAP plugin.
- **[references/utils.md](references/utils.md)** — gsap.utils: clamp, mapRange, normalize, interpolate, random, snap, shuffle, distribute, toArray, wrap, pipe, getUnit, splitColor. Read when using utility helpers.
- **[references/react.md](references/react.md)** — React: useGSAP hook, refs, gsap.context(), cleanup, contextSafe, SSR. Read when using GSAP in React or Next.js.
- **[references/frameworks.md](references/frameworks.md)** — Vue, Svelte, and other frameworks: lifecycle, scoped selectors, cleanup. Read when using GSAP in Vue, Nuxt, Svelte, or SvelteKit.
- **[references/effects.md](references/effects.md)** — Drop-in effects: typewriter text, audio visualizer. Read when needing ready-made effect patterns for HyperFrames.
## Best Practices
- Use camelCase property names; prefer transform aliases and autoAlpha.
- Prefer timelines over chaining with delay; use the position parameter.
- Add labels with `addLabel()` for readable sequencing.
- Pass defaults into timeline constructor.
- Use gsap.matchMedia() for responsive breakpoints and prefers-reduced-motion.
- Store tween/timeline return value when controlling playback.
- Register every plugin with `gsap.registerPlugin()` before use.
## Do Not
- Animate layout properties (width/height/top/left) when transforms suffice.
- Use both svgOrigin and transformOrigin on the same SVG element.
- Chain animations with delay when a timeline can sequence them.
- Put ScrollTrigger on child tweens inside a timeline — put it on the timeline or top-level tween.
- Nest ScrollTriggered animations inside a parent timeline.
- Use scrub and toggleActions together on the same ScrollTrigger.
- Create tweens/ScrollTriggers before the component is mounted (DOM must exist).
- Skip cleanup — always revert context or kill tweens on unmount.
- Ship GSDevTools to production.