{"messages":[{"role":"system","content":"You are a senior React and TypeScript engineer. Produce correct, maintainable React code with semantic HTML, keyboard access, resilient state boundaries, and visually polished UI rather than generic default components."},{"role":"user","content":"Explain when to use media-query hook in a restaurant supplier portal, then show a compact production-minded component for supplier invoices in a restaurant supplier portal."},{"role":"assistant","content":"This version applies media-query hook to a real a restaurant supplier portal workflow, while the charcoal yellow palette keeps the hierarchy intentional rather than generic. The code keeps the interaction boundary small and exposes accessible semantics where they matter.\n\n```tsx\nimport { useState } from \"react\";\n\nimport { useEffect } from \"react\";\n\nfunction useMediaQuery(query: string) {\n const [matches, setMatches] = useState(() => window.matchMedia(query).matches);\n useEffect(() => { const media = window.matchMedia(query); const update = () => setMatches(media.matches); update(); media.addEventListener(\"change\", update); return () => media.removeEventListener(\"change\", update); }, [query]);\n return matches;\n}\n\nfunction InvoiceMediaQuery2Core() {\n const wide = useMediaQuery(\"(min-width: 768px)\");\n return

Supplier invoices

Behavior can respond to the viewport too.

Current layout mode: {wide ? \"wide comparison\" : \"stacked focus\"}.

Primary work surface
;\n}\n\n\nfunction InvoiceMediaQuery2Signature() {\n const milestones = [\"Queued\", \"In review\", \"Ready\"];\n return (\n
    \n {milestones.map((milestone, index) => (\n
  1. \n {index + 1}.{milestone}\n
    2. \n ))}\n
\n );\n}\n\n\n\n\nfunction InvoiceMediaQuery2Page({ children }: { children: React.ReactNode }) {\n return
{children}
;\n}\n\nexport function InvoiceMediaQuery2() {\n return ;\n}\n\n\nfunction InvoiceMediaQuery2VariantFeature() {\n const steps = [\"Capture\", \"Clarify\", \"Commit\", \"Close\"];\n const [current, setCurrent] = useState(1);\n return (\n
\n

Variant navigator

\n
    \n {steps.map((step, index) =>
    2. )}\n
\n

Step {current + 1} is the current point in the workflow.

\n
\n );\n}\n\n\nfunction InvoiceMediaQuery2VariantAlgorithm() {\n const [note, setNote] = useState(\"\");\n const [history, setHistory] = useState([]);\n return
{ event.preventDefault(); if (note.trim()) { setHistory((items) => [note.trim(), ...items]); setNote(\"\"); } }} className=\"mt-4 rounded-2xl bg-neutral-800 p-4\">
;\n}\n\n\nfunction InvoiceMediaQuery2PatternLens() {\n const rows = [{ label: \"Clarity\", value: \"High\" }, { label: \"Risk\", value: \"Low\" }, { label: \"Owner\", value: \"Named\" }];\n return
{rows.map((row) => )}
Pattern readout
{row.label}{row.value}
;\n}\n```"}]} {"messages":[{"role":"system","content":"You are a senior React and TypeScript engineer. Produce correct, maintainable React code with semantic HTML, keyboard access, resilient state boundaries, and visually polished UI rather than generic default components."},{"role":"user","content":"Turn this UI brief into React: a focused control surface for permit applications in a civic permits service, with a clear hierarchy, strong focus states, and click-outside hook. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies click-outside hook to a real a civic permits service workflow, while the midnight cyan palette keeps the hierarchy intentional rather than generic. The code keeps the interaction boundary small and exposes accessible semantics where they matter.\n\n```tsx\nimport { useState } from \"react\";\n\nimport { useEffect, useRef } from \"react\";\n\nfunction useClickOutside(onOutside: () => void) {\n const ref = useRef(null);\n useEffect(() => { const handle = (event: MouseEvent) => { if (ref.current && !ref.current.contains(event.target as Node)) onOutside(); }; document.addEventListener(\"mousedown\", handle); return () => document.removeEventListener(\"mousedown\", handle); }, [onOutside]);\n return ref;\n}\n\nfunction ApplicationClickOutside2Core() {\n const [open, setOpen] = useState(false);\n const menuRef = useClickOutside(() => setOpen(false));\n return

Permit applications

A dismissible command menu.

{open &&
}
;\n}\n\n\nfunction ApplicationClickOutside2Signature() {\n const milestones = [\"Queued\", \"In review\", \"Ready\"];\n return (\n
    \n {milestones.map((milestone, index) => (\n
  1. \n {index + 1}.{milestone}\n
    2. \n ))}\n
\n );\n}\n\n\n\n\nfunction ApplicationClickOutside2Page({ children }: { children: React.ReactNode }) {\n return
{children}
;\n}\n\nexport function ApplicationClickOutside2() {\n return ;\n}\n\n\nfunction ApplicationClickOutside2VariantFeature() {\n const steps = [\"Capture\", \"Clarify\", \"Commit\", \"Close\"];\n const [current, setCurrent] = useState(1);\n return (\n
\n

Variant navigator

\n
    \n {steps.map((step, index) =>
    2. )}\n
\n

Step {current + 1} is the current point in the workflow.

\n
\n );\n}\n\n\nfunction ApplicationClickOutside2VariantAlgorithm() {\n const [note, setNote] = useState(\"\");\n const [history, setHistory] = useState([]);\n return
{ event.preventDefault(); if (note.trim()) { setHistory((items) => [note.trim(), ...items]); setNote(\"\"); } }} className=\"mt-4 rounded-2xl bg-slate-800 p-4\">
    {history.map((item) =>
  • • {item}
    • )}
;\n}\n\n\nfunction ApplicationClickOutside2PatternLens() {\n const signals = [{ label: \"Coverage\", value: 76 }, { label: \"Confidence\", value: 88 }, { label: \"Readiness\", value: 64 }];\n const average = Math.round(signals.reduce((total, signal) => total + signal.value, 0) / signals.length);\n return

Evidence mix

{average}%
{signals.map((signal) =>
{signal.label}
{signal.value}%
)}
;\n}\n```"}]} {"messages":[{"role":"system","content":"You are a senior React and TypeScript engineer. Produce correct, maintainable React code with semantic HTML, keyboard access, resilient state boundaries, and visually polished UI rather than generic default components."},{"role":"user","content":"I keep coupling rendering and behavior in training sessions in a climbing gym member app. Refactor this sketch using keyboard shortcut hook: function Screen() { return ; }. Show the improved implementation."},{"role":"assistant","content":"This version applies keyboard shortcut hook to a real a climbing gym member app workflow, while the forest lime palette keeps the hierarchy intentional rather than generic. The code keeps the interaction boundary small and exposes accessible semantics where they matter.\n\n```tsx\nimport { useState } from \"react\";\n\nimport { useEffect } from \"react\";\n\nfunction useShortcut(key: string, handler: () => void) {\n useEffect(() => { const onKeyDown = (event: KeyboardEvent) => { if ((event.metaKey || event.ctrlKey) && event.key.toLowerCase() === key) { event.preventDefault(); handler(); } }; window.addEventListener(\"keydown\", onKeyDown); return () => window.removeEventListener(\"keydown\", onKeyDown); }, [key, handler]);\n}\n\nfunction SessionKeyboardShortcut2Core() {\n const [saved, setSaved] = useState(false);\n useShortcut(\"s\", () => setSaved(true));\n return

Training sessions

Power users get a visible, discoverable shortcut.

Press Ctrl or Cmd + S to save this review.

⌘ S
;\n}\n\n\nfunction SessionKeyboardShortcut2Signature() {\n const milestones = [\"Queued\", \"In review\", \"Ready\"];\n return (\n
    \n {milestones.map((milestone, index) => (\n
  1. \n {index + 1}.{milestone}\n
    2. \n ))}\n
\n );\n}\n\n\n\n\nfunction SessionKeyboardShortcut2Page({ children }: { children: React.ReactNode }) {\n return
{children}
;\n}\n\nexport function SessionKeyboardShortcut2() {\n return ;\n}\n\n\nfunction SessionKeyboardShortcut2VariantFeature() {\n const steps = [\"Capture\", \"Clarify\", \"Commit\", \"Close\"];\n const [current, setCurrent] = useState(1);\n return (\n
\n

Variant navigator

\n
    \n {steps.map((step, index) =>
    2. )}\n
\n

Step {current + 1} is the current point in the workflow.

\n
\n );\n}\n\n\nfunction SessionKeyboardShortcut2VariantAlgorithm() {\n const [note, setNote] = useState(\"\");\n const [history, setHistory] = useState([]);\n return
{ event.preventDefault(); if (note.trim()) { setHistory((items) => [note.trim(), ...items]); setNote(\"\"); } }} className=\"mt-4 rounded-2xl bg-emerald-800 p-4\">
    {history.map((item) =>
  • • {item}
    • )}
;\n}\n\n\nfunction SessionKeyboardShortcut2PatternLens() {\n const points = [18, 43, 35, 68, 82];\n return
Signal trajectory
Five checkpoints
index * 55 + \",\" + (100 - point)).join(\" \")} />{points.map((point, index) => )}
;\n}\n```"}]} {"messages":[{"role":"system","content":"You are a senior React and TypeScript engineer. Produce correct, maintainable React code with semantic HTML, keyboard access, resilient state boundaries, and visually polished UI rather than generic default components."},{"role":"user","content":"Build a TypeScript React example for desk bookings in a coworking space portal. Use the draft autosave hook pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies draft autosave hook to a real a coworking space portal workflow, while the ocean teal palette keeps the hierarchy intentional rather than generic. The code keeps the interaction boundary small and exposes accessible semantics where they matter.\n\n```tsx\nimport { useState } from \"react\";\n\nimport { useEffect } from \"react\";\n\nfunction useDraft(key: string, initial: string) {\n const [draft, setDraft] = useState(() => window.sessionStorage.getItem(key) ?? initial);\n useEffect(() => { window.sessionStorage.setItem(key, draft); }, [key, draft]);\n return [draft, setDraft] as const;\n}\n\nfunction BookingDraft2Core() {\n const [note, setNote] = useDraft(\"draft-2\", \"\");\n return

Desk bookings

Drafts recover after an accidental navigation.