{"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 slot-based card API. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies slot-based card API to a real a civic permits service workflow, while the plum pink 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\ntype FrameProps = { children: React.ReactNode };\n\nfunction InsightFrame({ children }: FrameProps) {\n return
{children}
;\n}\nInsightFrame.Header = function Header({ children }: FrameProps) {\n return
{children}
;\n};\nInsightFrame.Body = function Body({ children }: FrameProps) {\n return
{children}
;\n};\nInsightFrame.Footer = function Footer({ children }: FrameProps) {\n return ;\n};\n\nfunction ApplicationSlotCard5Core() {\n return (\n
\n \n \n

Permit applications

Composed around intent

\n Live\n
\n \n Slots own their spacing.\n
\n
\n );\n}\n\n\nfunction ApplicationSlotCard5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction ApplicationSlotCard5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function ApplicationSlotCard5() {\n return ;\n}\n\n\nfunction ApplicationSlotCard5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-purple-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction ApplicationSlotCard5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction ApplicationSlotCard5PatternLens() {\n const [open, setOpen] = useState(false);\n return
setOpen(event.currentTarget.open)}>Why this boundary matters

Keep behavior near the decision it serves, while letting the surrounding page stay easy to scan and test.

;\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 polymorphic action primitive: function Screen() { return ; }. Show the improved implementation."},{"role":"assistant","content":"This version applies polymorphic action primitive to a real a climbing gym member app workflow, while the obsidian amber 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 type { ComponentPropsWithoutRef, ElementType, ReactNode } from \"react\";\n\ntype ActionProps = {\n as?: T;\n tone?: \"solid\" | \"quiet\";\n children: ReactNode;\n} & Omit, \"as\" | \"children\">;\n\nfunction Action({ as, tone = \"solid\", children, className = \"\", ...props }: ActionProps) {\n const Tag = as ?? \"button\";\n const toneClass = tone === \"solid\" ? \"bg-amber-400 text-slate-950 hover:bg-amber-300\" : \"bg-stone-800 text-stone-100 hover:brightness-110\";\n return {children};\n}\n\nfunction SessionPolymorphicAction5Core() {\n return (\n
\n
\n
\n

Training sessions

\n

One action API, several semantic destinations.

\n
PublishRead details
\n
\n \n
\n
\n );\n}\n\n\nfunction SessionPolymorphicAction5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction SessionPolymorphicAction5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function SessionPolymorphicAction5() {\n return ;\n}\n\n\nfunction SessionPolymorphicAction5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-stone-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction SessionPolymorphicAction5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction SessionPolymorphicAction5PatternLens() {\n const [note, setNote] = useState(\"\");\n const [entries, setEntries] = useState([]);\n function addNote(event: React.FormEvent) { event.preventDefault(); const value = note.trim(); if (value) { setEntries((current) => [value, ...current]); setNote(\"\"); } }\n return
    {entries.map((entry) =>
  • {entry}
  • )}
;\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 fresh harvests in a farm-to-table inventory app. Use the headless disclosure composition pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies headless disclosure composition to a real a farm-to-table inventory app workflow, while the deep indigo 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\ntype DisclosureProps = { label: string; children: React.ReactNode };\n\nfunction Disclosure({ label, children }: DisclosureProps) {\n const [open, setOpen] = useState(false);\n const panelId = \"disclosure-panel-5\";\n return (\n
\n

\n {open &&
{children}
}\n
\n );\n}\n\nfunction HarvestHeadlessDisclosure5Core() {\n return (\n
\n
\n

Fresh harvests

Behavior without a prescriptive card.

\n Use the same accessible state primitive inside a policy drawer, invoice panel, or inline review surface.\n \n
\n
\n );\n}\n\n\nfunction HarvestHeadlessDisclosure5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction HarvestHeadlessDisclosure5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function HarvestHeadlessDisclosure5() {\n return ;\n}\n\n\nfunction HarvestHeadlessDisclosure5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-indigo-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction HarvestHeadlessDisclosure5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction HarvestHeadlessDisclosure5PatternLens() {\n const [selected, setSelected] = useState(\"scope\");\n const panels = { scope: \"Name the smallest useful outcome.\", owner: \"Make the next decision visible.\", evidence: \"Keep supporting context close.\" };\n return
{Object.keys(panels).map((key) => )}

{panels[selected as keyof typeof panels]}

;\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":"Debug a React implementation for student check-ins in a school counseling portal. The interaction works only with a mouse and state leaks between views. Replace the fragile approach with layout slots with named children and explain the important fix briefly."},{"role":"assistant","content":"This version applies layout slots with named children to a real a school counseling 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\ntype WorkspaceProps = { rail: React.ReactNode; toolbar: React.ReactNode; children: React.ReactNode };\n\nfunction Workspace({ rail, toolbar, children }: WorkspaceProps) {\n return
{toolbar}
{children}
;\n}\n\nfunction CheckinLayoutSlots5Core() {\n return (\n

Student check-ins

}\n toolbar={<>

Named layout slots

}\n >\n

The canvas stays independent

Consumers decide what occupies each region without a prop explosion.

\n \n );\n}\n\n\nfunction CheckinLayoutSlots5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction CheckinLayoutSlots5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function CheckinLayoutSlots5() {\n return ;\n}\n\n\nfunction CheckinLayoutSlots5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-neutral-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction CheckinLayoutSlots5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction CheckinLayoutSlots5PatternLens() {\n const lanes = [{ title: \"Now\", items: [\"Clarify\", \"Assign\"] }, { title: \"Next\", items: [\"Review\"] }];\n return
{lanes.map((lane) =>

{lane.title}

    {lane.items.map((item) =>
  • {item}
  • )}
)}
;\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":"Explain when to use container and presentational split in a luxury retail clienteling app, then show a compact production-minded component for client appointments in a luxury retail clienteling app."},{"role":"assistant","content":"This version applies container and presentational split to a real a luxury retail clienteling app 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\ntype Record = { id: string; label: string; status: \"Ready\" | \"Waiting\" };\n\nfunction RecordList({ records, onPick }: { records: Record[]; onPick: (id: string) => void }) {\n return
    {records.map((record) =>
  • )}
;\n}\n\nfunction ClientContainerPresentational5Core() {\n const [selectedId, setSelectedId] = useState(\"a\");\n const records: Record[] = [{ id: \"a\", label: \"Client appointments\", status: \"Ready\" }, { id: \"b\", label: \"Assigned review\", status: \"Waiting\" }];\n const selected = records.find((record) => record.id === selectedId);\n return (\n
\n

Container owns data

Presentational list owns display

\n \n
\n );\n}\n\n\nfunction ClientContainerPresentational5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction ClientContainerPresentational5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function ClientContainerPresentational5() {\n return ;\n}\n\n\nfunction ClientContainerPresentational5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-slate-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction ClientContainerPresentational5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction ClientContainerPresentational5PatternLens() {\n const checkpoints = [\"Scope\", \"Owner\", \"Evidence\"];\n return

Pattern checklist

    {checkpoints.map((checkpoint, index) =>
  1. {index + 1}{checkpoint}
  2. )}
;\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 shooting scenes in a film production scheduler, with a clear hierarchy, strong focus states, and prop-getter state container. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies prop-getter state container to a real a film production scheduler 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\nfunction useChoice() {\n const [active, setActive] = useState(\"overview\");\n return {\n getOptionProps(id: string) {\n return { type: \"button\" as const, role: \"tab\", \"aria-selected\": active === id, tabIndex: active === id ? 0 : -1, onClick: () => setActive(id), className: active === id ? \"rounded-xl bg-lime-300 px-4 py-2 text-sm font-bold text-slate-950\" : \"rounded-xl px-4 py-2 text-sm text-emerald-200 hover:bg-emerald-800\" };\n },\n active,\n };\n}\n\nfunction ScenePropGetters5Core() {\n const choice = useChoice();\n return (\n
\n

Shooting scenes

Behavior travels through prop getters.

\n
\n

The selected view is {choice.active}; consumers provide the markup.

\n
\n
\n );\n}\n\n\nfunction ScenePropGetters5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction ScenePropGetters5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function ScenePropGetters5() {\n return ;\n}\n\n\nfunction ScenePropGetters5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-emerald-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction ScenePropGetters5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction ScenePropGetters5PatternLens() {\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":"I keep coupling rendering and behavior in artist schedule in a music festival producer dashboard. Refactor this sketch using persistent preference hook: function Screen() { return ; }. Show the improved implementation."},{"role":"assistant","content":"This version applies persistent preference hook to a real a music festival producer dashboard 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 useStoredBoolean(key: string, fallback: boolean) {\n const [value, setValue] = useState(() => window.localStorage.getItem(key) === null ? fallback : window.localStorage.getItem(key) === \"true\");\n useEffect(() => { window.localStorage.setItem(key, String(value)); }, [key, value]);\n return [value, setValue] as const;\n}\n\nfunction ArtistLocalStorage5Core() {\n const [compact, setCompact] = useStoredBoolean(\"compact-5\", false);\n return

Artist schedule

A preference that survives a refresh.

Persist the tiny local concern, not the whole application state.

;\n}\n\n\nfunction ArtistLocalStorage5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction ArtistLocalStorage5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function ArtistLocalStorage5() {\n return ;\n}\n\n\nfunction ArtistLocalStorage5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-sky-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction ArtistLocalStorage5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction ArtistLocalStorage5PatternLens() {\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":"Build a TypeScript React example for queued samples in a diagnostic laboratory portal. Use the debounced search hook pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies debounced search hook to a real a diagnostic laboratory portal workflow, while the lagoon emerald 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 useDebouncedValue(value: T, delay = 250) {\n const [debounced, setDebounced] = useState(value);\n useEffect(() => { const timer = window.setTimeout(() => setDebounced(value), delay); return () => window.clearTimeout(timer); }, [value, delay]);\n return debounced;\n}\n\nfunction SampleDebounced5Core() {\n const [query, setQuery] = useState(\"\");\n const debouncedQuery = useDebouncedValue(query);\n const records = [\"Northstar\", \"Juniper\", \"Solace\", \"Harbor\"].filter((name) => name.toLowerCase().includes(debouncedQuery.toLowerCase()));\n return

Queued samples

Search input stays immediate; results settle gently.

    {records.map((record) =>
  • {record}
  • )}
;\n}\n\n\nfunction SampleDebounced5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction SampleDebounced5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function SampleDebounced5() {\n return ;\n}\n\n\nfunction SampleDebounced5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-teal-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction SampleDebounced5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction SampleDebounced5PatternLens() {\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":"Debug a React implementation for supplier invoices in a restaurant supplier portal. The interaction works only with a mouse and state leaks between views. Replace the fragile approach with async task lifecycle hook and explain the important fix briefly."},{"role":"assistant","content":"This version applies async task lifecycle hook to a real a restaurant supplier portal workflow, while the ink fuchsia 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 { useCallback } from \"react\";\n\ntype TaskState = { status: \"idle\" | \"pending\" | \"success\" | \"error\"; data?: T; error?: string };\nfunction useAsyncTask(task: () => Promise) {\n const [state, setState] = useState>({ status: \"idle\" });\n const run = useCallback(async () => { setState({ status: \"pending\" }); try { setState({ status: \"success\", data: await task() }); } catch { setState({ status: \"error\", error: \"Try again in a moment.\" }); } }, [task]);\n return { ...state, run };\n}\n\nfunction InvoiceAsyncTask5Core() {\n const task = useAsyncTask(async () => { await new Promise((resolve) => window.setTimeout(resolve, 350)); return \"Synced\"; });\n return

Supplier invoices

Async state has a small, explicit lifecycle.

{task.error ?? task.data ?? \"Ready when you are.\"}

;\n}\n\n\nfunction InvoiceAsyncTask5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction InvoiceAsyncTask5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function InvoiceAsyncTask5() {\n return ;\n}\n\n\nfunction InvoiceAsyncTask5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-zinc-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction InvoiceAsyncTask5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction InvoiceAsyncTask5PatternLens() {\n const [open, setOpen] = useState(false);\n return
setOpen(event.currentTarget.open)}>Why this boundary matters

Keep behavior near the decision it serves, while letting the surrounding page stay easy to scan and test.

;\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":"Explain when to use cursor pagination hook in a civic permits service, then show a compact production-minded component for permit applications in a civic permits service."},{"role":"assistant","content":"This version applies cursor pagination hook to a real a civic permits service workflow, while the rose orange 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\nfunction useCursorPages(all: T[], pageSize = 3) {\n const [page, setPage] = useState(0);\n const slice = all.slice(page * pageSize, page * pageSize + pageSize);\n return { slice, canGoBack: page > 0, canGoForward: (page + 1) * pageSize < all.length, next: () => setPage((value) => value + 1), previous: () => setPage((value) => Math.max(0, value - 1)) };\n}\n\nfunction ApplicationPagination5Core() {\n const page = useCursorPages([\"Morning review\", \"Vendor note\", \"Priority hold\", \"Client reply\", \"Final check\", \"Archive\"]);\n return

Permit applications

Cursor state stays beside the slice.

    {page.slice.map((entry) =>
  • {entry}
  • )}
;\n}\n\n\nfunction ApplicationPagination5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction ApplicationPagination5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function ApplicationPagination5() {\n return ;\n}\n\n\nfunction ApplicationPagination5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-rose-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction ApplicationPagination5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction ApplicationPagination5PatternLens() {\n const [note, setNote] = useState(\"\");\n const [entries, setEntries] = useState([]);\n function addNote(event: React.FormEvent) { event.preventDefault(); const value = note.trim(); if (value) { setEntries((current) => [value, ...current]); setNote(\"\"); } }\n return
    {entries.map((entry) =>
  • {entry}
  • )}
;\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 generation sites in a renewable-energy monitoring console, with a clear hierarchy, strong focus states, and media-query hook. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies media-query hook to a real a renewable-energy monitoring console workflow, while the plum pink 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 SiteMediaQuery5Core() {\n const wide = useMediaQuery(\"(min-width: 768px)\");\n return

Generation sites

Behavior can respond to the viewport too.

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

Primary work surface
;\n}\n\n\nfunction SiteMediaQuery5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction SiteMediaQuery5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function SiteMediaQuery5() {\n return ;\n}\n\n\nfunction SiteMediaQuery5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-purple-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction SiteMediaQuery5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction SiteMediaQuery5PatternLens() {\n const [selected, setSelected] = useState(\"scope\");\n const panels = { scope: \"Name the smallest useful outcome.\", owner: \"Make the next decision visible.\", evidence: \"Keep supporting context close.\" };\n return
{Object.keys(panels).map((key) => )}

{panels[selected as keyof typeof panels]}

;\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 desk bookings in a coworking space portal. Refactor this sketch using click-outside hook: function Screen() { return ; }. Show the improved implementation."},{"role":"assistant","content":"This version applies click-outside hook to a real a coworking space portal workflow, while the obsidian amber 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 BookingClickOutside5Core() {\n const [open, setOpen] = useState(false);\n const menuRef = useClickOutside(() => setOpen(false));\n return

Desk bookings

A dismissible command menu.

{open &&
}
;\n}\n\n\nfunction BookingClickOutside5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction BookingClickOutside5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function BookingClickOutside5() {\n return ;\n}\n\n\nfunction BookingClickOutside5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-stone-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction BookingClickOutside5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction BookingClickOutside5PatternLens() {\n const lanes = [{ title: \"Now\", items: [\"Clarify\", \"Assign\"] }, { title: \"Next\", items: [\"Review\"] }];\n return
{lanes.map((lane) =>

{lane.title}

    {lane.items.map((item) =>
  • {item}
  • )}
)}
;\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 student check-ins in a school counseling portal. Use the keyboard shortcut hook pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies keyboard shortcut hook to a real a school counseling portal workflow, while the deep indigo 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 CheckinKeyboardShortcut5Core() {\n const [saved, setSaved] = useState(false);\n useShortcut(\"s\", () => setSaved(true));\n return

Student check-ins

Power users get a visible, discoverable shortcut.

Press Ctrl or Cmd + S to save this review.

⌘ S
;\n}\n\n\nfunction CheckinKeyboardShortcut5Signature() {\n const [notice, setNotice] = useState(\"No changes pending\");\n return (\n
\n

{notice}

\n \n
\n );\n}\n\n\n\n\nfunction CheckinKeyboardShortcut5Page({ children }: { children: React.ReactNode }) {\n return

Feature dossier

A focused implementation with a full-bleed lead.

{children}
;\n}\n\nexport function CheckinKeyboardShortcut5() {\n return ;\n}\n\n\nfunction CheckinKeyboardShortcut5VariantFeature() {\n const [sent, setSent] = useState(false);\n const [priority, setPriority] = useState(\"normal\");\n return (\n
{ event.preventDefault(); setSent(true); }} className=\"mt-6 rounded-[1.75rem] border border-indigo-700/80 p-5\">\n
Variant checkpoint\n
{[\"low\", \"normal\", \"high\"].map((value) => )}
\n
\n

{sent ? \"Checkpoint recorded.\" : \"Choose a priority and save.\"}

\n
\n );\n}\n\n\nfunction CheckinKeyboardShortcut5VariantAlgorithm() {\n const [included, setIncluded] = useState(new Set([\"scope\", \"owner\"]));\n const options = [\"scope\", \"owner\", \"evidence\"];\n function toggle(option: string) { setIncluded((current) => { const next = new Set(current); next.has(option) ? next.delete(option) : next.add(option); return next; }); }\n return
Ready-to-release checks
{options.map((option) => )}

{included.size} of {options.length} checks selected

;\n}\n\n\nfunction CheckinKeyboardShortcut5PatternLens() {\n const checkpoints = [\"Scope\", \"Owner\", \"Evidence\"];\n return

Pattern checklist

    {checkpoints.map((checkpoint, index) =>
  1. {index + 1}{checkpoint}
  2. )}
;\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":"Debug a React implementation for client appointments in a luxury retail clienteling app. The interaction works only with a mouse and state leaks between views. Replace the fragile approach with draft autosave hook and explain the important fix briefly."},{"role":"assistant","content":"This version applies draft autosave hook to a real a luxury retail clienteling app 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 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 ClientDraft5Core() {\n const [note, setNote] = useDraft(\"draft-5\", \"\");\n return

Client appointments

Drafts recover after an accidental navigation.