State-first design pass — inventories and implements all non-happy states (loading, empty, error, partial, conflict, offline) before the happy path, and refactors impossible boolean state to proper state machines. Use when starting a new screen, reviewing an existing one for edge-case gaps, or when the user says "handle the error state" / "add loading states" / "what happens when data is missing". Invoke when the user asks for unhappy on their UI, or mentions 'unhappy' alongside design / UI / frontend work.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
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Context: this sub-skill is one lens of the broader ui-craft skill. If the ui-craft skill is also installed, read its SKILL.md first for Discovery + Anti-Slop + Craft Test, then apply the specific lens below.
Design every non-happy state for the UI at $ARGUMENTS. Load the ui-craft skill and read references/state-design.md.
Step 1 — Inventory. List every data source and interactive surface in the target. For each, enumerate its states:
| Surface | idle | loading | empty | error | partial | conflict | offline |
|---|
Mark each cell as designed (exists in code), missing (must add), or N/A (not applicable — e.g., a read-only view has no conflict state).
Step 2 — Fill the missing states. For each missing state, either stub it inline or add a follow-up task comment. Use references/state-design.md for:
Step 3 — Audit the happy path. Flag every spot where the happy path assumes resource presence without checking. Fix with early-returns, state guards, or discriminated-union state handling. Booleans like isLoading && !error && data that allow impossible states are findings — refactor to a proper state machine or reducer.
Step 4 — Optimistic UI + reconciliation. For offline-likely actions (saves, sends, edits, toggles), implement optimistic UI with reconciliation on reconnect. Queue writes locally. Surface any rejected writes — never swallow them.
Knob gating (CRAFT_LEVEL):
| CRAFT_LEVEL | Required states to stub |
|---|---|
| ≤ 4 | idle, loading, error |
| 5-7 | idle, loading, empty, error, success |
| 8+ | all six — add partial, conflict, offline |
If CRAFT_LEVEL is unknown, default to 7.
Convergence note: To iterate until all required states are present, load skills/ui-craft/references/loops.md and run preset state-coverage (budget = the default loop budget defined in loops.md): after stubbing the highest-priority missing required state, re-inventory until all knob-required states are present or budget exhausted. Emit the pre-flight cost notice before iteration 1.
Output: edit the code directly. After each file, print the Review Format table from SKILL.md:
| Before | After | Why |
|---|---|---|
no loading state on <ProjectList> | skeleton rows matching final layout, 200ms delay | prevents "is it broken?" perception; avoids CLS |
| generic "Error" toast | inline error with specific cause + retry + support ID | recoverability (heuristic 9) |
One row per state added. No full diffs.
Next step: /harden — implement the states you just designed (rung 1).
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Responsive layout pass covering breakpoints, touch targets, safe areas, and fluid type. Use when the UI has layout or touch issues on mobile/tablet, when adding a new screen that hasn't been tested across viewports, or when the user says "make it responsive" / "fix mobile layout". Invoke when the user asks for adapt on their UI, or mentions 'adapt' alongside design / UI / frontend work.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Motion design pass — adds purposeful animations or removes excessive ones, respecting MOTION_INTENSITY and the project's animation stack. Use when the user asks to add animation, "make it feel smoother", fix janky transitions, or trim motion that's distracting. Invoke when the user asks for animate on their UI, or mentions 'animate' alongside design / UI / frontend work.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Technical UI audit — a11y, performance, responsive. Produces a prioritized findings table. Invoke when the user asks for audit on their UI, or mentions 'audit' alongside design / UI / frontend work.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Amplify personality — raises layout variance and motion, strengthens typography and one signature detail, without slop. Use when the UI works but feels safe, flat, or "template-y", or when the user says "bolder", "more personality", "more creative", or "make it pop" (still professional). Invoke when the user asks for bolder on their UI, or mentions 'bolder' alongside design / UI / frontend work.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
Write or update the project's durable design brief at .ui-craft/brief.md. Invoke when the user asks for brief on their UI, or mentions 'brief' alongside design / UI / frontend work.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.
UX copy review across buttons, errors, empty states, and form hints — critiques by default, applies only on request. Use when copy feels vague, generic, or AI-sounding, or when the user says "fix the labels", "improve error messages", or "review the copy". Invoke when the user asks for clarify on their UI, or mentions 'clarify' alongside design / UI / frontend work.
한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.