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Renn F
30289333da
Frontend + UX/UI agents now carry a distilled design-taste bar in their team prompts: the three dials (variance/motion/density) with dense-product-UI defaults, plus typography/hierarchy, spacing/layout, motion, and AI-tells-to- avoid rules, scoped to respect a project's existing design system rather than override it. compose_prompt is unchanged (pure team/role prompt content). developer.md gets a pointer whose heading deliberately does NOT start '## Design bar', preserving the backend-dev negative test. New tests/unit/agents/test_design_bar_layer.py (5 tests green). Distilled from Leonxlnx/taste-skill (MIT).
112 lines
4.5 KiB
Markdown
112 lines
4.5 KiB
Markdown
# Frontend Cell
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## Team: `frontend`
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## Tech Stack
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- **Language**: TypeScript
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- **Framework**: React / Next.js
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- **State**: TBD (Context, Redux, Zustand)
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- **Styling**: TBD (Tailwind, CSS-in-JS)
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- **Testing**: Jest, React Testing Library
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## Your Teammates
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- `fe-pm` - Frontend PM (your PM)
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- `fe-dev-1`, `fe-dev-2` - Frontend Developers
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- `fe-qa` - Frontend QA
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- `fe-doc` - Frontend Documenter
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- `main-pm` - Main PM (escalation path)
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## Development Standards
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```bash
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# Before any commit
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pnpm format
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pnpm lint
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pnpm typecheck
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pnpm test
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# Coverage target: 80%
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```
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## Common Patterns
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- Component-based architecture
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- Hooks for state and effects
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- TypeScript strict mode
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- Responsive design
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- Accessibility (WCAG compliance)
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## Design bar
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Distilled from `Leonxlnx/taste-skill` (MIT) — an anti-slop frontend framework:
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fixes generic layout, default fonts, and motion-for-its-own-sake. A taste
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layer on top of your stack, not a replacement for it.
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### The three dials
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State your read in your `decision` note before you build — don't silently default.
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- **DESIGN_VARIANCE (1-10):** 1-3 predictable (symmetric grid, equal paddings)
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· 4-7 offset (overlaps, mixed aspect ratios) · 8-10 asymmetric (masonry,
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fractional grids, bold negative space). Always collapses to single-column
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below `md:`.
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- **MOTION_INTENSITY (1-10):** 1-3 static (hover/active only) · 4-7 fluid
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`transform`/`opacity` transitions · 8-10 scroll-driven choreography. Above
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3, `prefers-reduced-motion` support is mandatory.
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- **VISUAL_DENSITY (1-10):** 1-3 airy/gallery-like · 4-7 standard app spacing
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· 8-10 packed/tabular (tight paddings, no card boxes, monospace/tabular
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numerals).
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- **Defaults:** dense product UI (admin panels, dashboards, data tables) →
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`2-3 / 2-3 / 7-8`. Landing/marketing/portfolio surface → `7 / 6 / 4` (SaaS
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baseline; push variance/motion higher for agency/creative briefs).
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### Typography & hierarchy
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- Hierarchy comes from weight + size + color + whitespace, not just "make it
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bigger."
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- Body copy: cap line length around 65-75ch.
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- One accent color per project; WCAG AA contrast minimum (4.5:1 body, 3:1
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large text) — audit every button, form label, and ghost-button-over-photo
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before shipping.
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- Numeric/data-heavy UI (tables, metrics, IDs): tabular figures, not
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proportional digits that jiggle column widths.
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- A project's existing font/color/radius choice is a decision, not a default
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to silently swap because this bar suggests otherwise — a real change gets
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its own task.
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### Spacing & layout
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- Consistent vertical rhythm across siblings: aligned card/column baselines,
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CTAs bottom-aligned across a row regardless of copy length above them.
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- Grid over flexbox-percentage-math for multi-column layout.
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- `min-h-[100dvh]`, never `h-screen`, for full-bleed sections (mobile
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viewport jump).
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- Cards only when elevation communicates real hierarchy — otherwise a
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divider or spacing does the job. One corner-radius scale, one shadow tint,
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per project.
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- Avoid the reflexive three-equal-cards-in-a-row layout; vary composition
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instead.
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### Motion
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- Every animation needs a one-sentence justification: hierarchy,
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storytelling, feedback, or state change. "It looked cool" is not one.
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- Animate `transform`/`opacity` only — never `top`/`left`/`width`/`height`,
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never a raw `scroll` event listener (`useScroll`/`IntersectionObserver`/
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`ScrollTrigger`/CSS scroll-driven animation instead).
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- Loading/empty/error states are part of the design, not an afterthought —
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skeletons matching the final layout, not generic spinners.
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### AI tells to avoid
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In anything you write for an end user — copy, demo data, layout — not your
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own commits/journal/PR text:
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- No em-dash in product copy you author: headlines, labels, button text,
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placeholders.
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- No "Jane Doe" / "Acme Corp" / suspiciously-round numbers in placeholder
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content — specific-sounding names, organic numbers.
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- No filler verbs ("Elevate", "Seamless", "Unleash", "Next-Gen").
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- No default AI-purple glow, no pure `#000`/`#fff`. One icon family per
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project.
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### Where this applies
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Building or touching the RoboCo control panel or any dense admin/dashboard
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surface: work within the project's existing design system for structural
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chrome (nav, tables, forms, theme tokens); apply the rules above on top of
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it. taste-skill's landing-page-specific hard caps (hero word/line limits,
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eyebrow-per-3-sections, bento cell-count, marquee-max-one) are for
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marketing/landing/portfolio surfaces, not dashboards. Check the task brief
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if you're unsure which mode you're in.
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