Blame for data/frontend-react-patterns/react-patterns_batch_15.jsonl

{"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 service routes in a neighborhood transit dashboard. Use the hybrid editable field pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies hybrid editable field to a real a neighborhood transit dashboard 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\ntype EditableProps = { initialValue: string; onCommit: (value: string) => void };\nfunction EditableLabel({ initialValue, onCommit }: EditableProps) {\n  const [editing, setEditing] = useState(false);\n  const [draft, setDraft] = useState(initialValue);\n  return editing ? <form onSubmit={(event) => { event.preventDefault(); onCommit(draft); setEditing(false); }} className=\"flex gap-2\"><input autoFocus value={draft} onChange={(event) => setDraft(event.target.value)} className=\"min-w-0 flex-1 rounded-xl border border-rose-700/80 bg-rose-950 px-3 py-2 text-sm text-rose-50\" /><button className=\"rounded-xl bg-orange-300 px-3 text-sm font-bold text-slate-950\">Save</button></form> : <button type=\"button\" onClick={() => setEditing(true)} className=\"rounded-xl bg-rose-800 px-4 py-3 text-left focus-visible:ring-orange-200 focus-visible:outline-none focus-visible:ring-2\"><span className=\"font-medium\">{initialValue}</span><span className=\"ml-3 text-xs text-orange-200\">Edit</span></button>;\n}\nfunction RouteHybridField6Core() {\n  const [label, setLabel] = useState(\"Review queue\");\n  return <div className=\"min-h-screen bg-rose-950 p-6 text-rose-50\"><section className=\"mx-auto max-w-4xl rounded-[2rem] bg-rose-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-orange-200\">Service routes</p><h1 className=\"mt-3 text-3xl font-semibold\">Transient local input meets an explicit commit boundary.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><div><EditableLabel initialValue={label} onCommit={setLabel} /><p className=\"mt-3 text-sm text-rose-200\">Saved label: {label}</p></div><RouteHybridField6Signature /></div></section></div>;\n}\n\n\nfunction RouteHybridField6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-rose-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-orange-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-rose-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction RouteHybridField6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-rose-950 text-rose-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-rose-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-orange-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-rose-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-rose-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-rose-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-rose-50\">Interactive</dd></div></dl></aside><section>{children}<RouteHybridField6VariantFeature /><RouteHybridField6VariantAlgorithm /><RouteHybridField6PatternLens /></section></div></div></main>;\n}\n\nexport function RouteHybridField6() {\n  return <RouteHybridField6Page><RouteHybridField6Core /></RouteHybridField6Page>;\n}\n\n\nfunction RouteHybridField6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-orange-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-rose-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-rose-50\">{decision.title}<span className=\"float-right text-orange-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-rose-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction RouteHybridField6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-rose-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-rose-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-orange-300\" /><time className=\"text-xs text-orange-200\">{event.at}</time><p className=\"mt-1 text-rose-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction RouteHybridField6PatternLens() {\n  const rows = [{ label: \"Clarity\", value: \"High\" }, { label: \"Risk\", value: \"Low\" }, { label: \"Owner\", value: \"Named\" }];\n  return <section className=\"mt-4 overflow-hidden rounded-2xl border border-rose-700/80\"><table className=\"w-full text-left text-sm\"><caption className=\"caption-top px-4 py-3 text-left text-xs font-bold uppercase tracking-[0.18em] text-orange-200\">Pattern readout</caption><tbody>{rows.map((row) => <tr key={row.label} className=\"border-t border-rose-700/80\"><th scope=\"row\" className=\"px-4 py-3 font-medium\">{row.label}</th><td className=\"px-4 py-3 text-right text-rose-200\">{row.value}</td></tr>)}</tbody></table></section>;\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 practice lessons in a language-learning coach app. The interaction works only with a mouse and state leaks between views. Replace the fragile approach with query-state render prop and explain the important fix briefly."},{"role":"assistant","content":"This version applies query-state render prop to a real a language-learning coach app 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\ntype QueryState<T> = { data: T[]; loading: boolean; error: string | null };\nfunction Query<T>({ load, children }: { load: () => Promise<T[]>; children: (state: QueryState<T>) => React.ReactNode }) {\n  const [state, setState] = useState<QueryState<T>>({ data: [], loading: true, error: null });\n  useEffect(() => { let active = true; load().then((data) => active && setState({ data, loading: false, error: null })).catch(() => active && setState({ data: [], loading: false, error: \"Could not load records.\" })); return () => { active = false; }; }, [load]);\n  return <>{children(state)}</>;\n}\nconst loadRecords = async () => { await new Promise((resolve) => window.setTimeout(resolve, 250)); return [\"North wing\", \"Harbor desk\", \"Field team\"]; };\nfunction LessonRenderQuery6Core() {\n  return <div className=\"min-h-screen bg-purple-950 p-6 text-purple-50\"><section className=\"mx-auto max-w-5xl rounded-[2rem] bg-purple-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-pink-200\">Practice lessons</p><h1 className=\"mt-3 text-3xl font-semibold\">The caller owns the loading, empty, and success markup.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><Query load={loadRecords}>{({ data, loading, error }) => <section aria-busy={loading} className=\"rounded-2xl bg-purple-800 p-5\">{loading && <p className=\"text-sm text-purple-200\">Loading selection…</p>}{error && <p role=\"alert\" className=\"text-sm text-rose-300\">{error}</p>}{!loading && !error && <ul className=\"space-y-2\">{data.map((record) => <li key={record} className=\"rounded-xl bg-purple-900 px-3 py-2 text-sm\">{record}</li>)}</ul>}</section>}</Query><LessonRenderQuery6Signature /></div></section></div>;\n}\n\n\nfunction LessonRenderQuery6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-purple-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-pink-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-purple-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction LessonRenderQuery6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-purple-950 text-purple-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-purple-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-pink-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-purple-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-purple-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-purple-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-purple-50\">Interactive</dd></div></dl></aside><section>{children}<LessonRenderQuery6VariantFeature /><LessonRenderQuery6VariantAlgorithm /><LessonRenderQuery6PatternLens /></section></div></div></main>;\n}\n\nexport function LessonRenderQuery6() {\n  return <LessonRenderQuery6Page><LessonRenderQuery6Core /></LessonRenderQuery6Page>;\n}\n\n\nfunction LessonRenderQuery6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-pink-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-purple-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-purple-50\">{decision.title}<span className=\"float-right text-pink-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-purple-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction LessonRenderQuery6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-purple-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-purple-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-pink-300\" /><time className=\"text-xs text-pink-200\">{event.at}</time><p className=\"mt-1 text-purple-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction LessonRenderQuery6PatternLens() {\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 <section className=\"mt-4 rounded-2xl border border-purple-700/80 p-4\"><div className=\"flex justify-between\"><p className=\"text-sm font-semibold\">Evidence mix</p><output className=\"text-sm text-pink-200\">{average}%</output></div><dl className=\"mt-3 space-y-3\">{signals.map((signal) => <div key={signal.label}><div className=\"flex justify-between text-xs text-purple-200\"><dt>{signal.label}</dt><dd>{signal.value}%</dd></div><div className=\"mt-1 h-2 overflow-hidden rounded-full bg-black/20\"><div className=\"h-full bg-pink-300\" style={{ width: signal.value + \"%\" }} /></div></div>)}</dl></section>;\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 pointer-position render prop in a game studio playtest tracker, then show a compact production-minded component for playtest reports in a game studio playtest tracker."},{"role":"assistant","content":"This version applies pointer-position render prop to a real a game studio playtest tracker 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\ntype PointerRender = (position: { x: number; y: number; active: boolean }) => React.ReactNode;\nfunction PointerCanvas({ children }: { children: PointerRender }) {\n  const [position, setPosition] = useState({ x: 50, y: 50, active: false });\n  return <div onPointerMove={(event) => { const box = event.currentTarget.getBoundingClientRect(); setPosition({ x: Math.round(event.clientX - box.left), y: Math.round(event.clientY - box.top), active: true }); }} onPointerLeave={() => setPosition((current) => ({ ...current, active: false }))} className=\"relative h-56 overflow-hidden rounded-2xl bg-stone-800\">{children(position)}</div>;\n}\nfunction ReportRenderPointer6Core() {\n  return <div className=\"min-h-screen bg-stone-950 p-6 text-stone-100\"><section className=\"mx-auto max-w-5xl rounded-[2rem] bg-stone-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-amber-300\">Playtest reports</p><h1 className=\"mt-3 text-3xl font-semibold\">A render prop leaves the visual response to the caller.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><PointerCanvas>{({ x, y, active }) => <><div className=\"absolute h-3 w-3 rounded-full bg-amber-400 transition\" style={{ left: x, top: y, transform: \"translate(-50%, -50%)\" }} /><p className=\"absolute bottom-4 left-4 rounded-lg bg-stone-900 px-3 py-2 text-xs text-stone-400\">{active ? x + \" × \" + y : \"Move across the canvas\"}</p></>}</PointerCanvas><ReportRenderPointer6Signature /></div></section></div>;\n}\n\n\nfunction ReportRenderPointer6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-stone-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-amber-400\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-stone-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction ReportRenderPointer6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-stone-950 text-stone-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-stone-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-amber-300\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-stone-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-stone-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-stone-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-stone-100\">Interactive</dd></div></dl></aside><section>{children}<ReportRenderPointer6VariantFeature /><ReportRenderPointer6VariantAlgorithm /><ReportRenderPointer6PatternLens /></section></div></div></main>;\n}\n\nexport function ReportRenderPointer6() {\n  return <ReportRenderPointer6Page><ReportRenderPointer6Core /></ReportRenderPointer6Page>;\n}\n\n\nfunction ReportRenderPointer6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-amber-300\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-stone-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-stone-100\">{decision.title}<span className=\"float-right text-amber-300\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-stone-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction ReportRenderPointer6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-stone-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-stone-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-amber-400\" /><time className=\"text-xs text-amber-300\">{event.at}</time><p className=\"mt-1 text-stone-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction ReportRenderPointer6PatternLens() {\n  const points = [18, 43, 35, 68, 82];\n  return <figure className=\"mt-4 rounded-2xl bg-stone-800 p-4\"><div className=\"flex items-baseline justify-between\"><figcaption className=\"text-sm font-semibold\">Signal trajectory</figcaption><span className=\"text-xs text-stone-400\">Five checkpoints</span></div><svg viewBox=\"0 0 240 100\" className=\"mt-4 h-24 w-full\" role=\"img\" aria-label=\"Rising workflow signal\"><polyline fill=\"none\" stroke=\"currentColor\" strokeWidth=\"3\" className=\"text-amber-300\" points={points.map((point, index) => index * 55 + \",\" + (100 - point)).join(\" \")} />{points.map((point, index) => <circle key={index} cx={index * 55} cy={100 - point} r=\"5\" className=\"bg-amber-400\" />)}</svg></figure>;\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 episode pipeline in a podcast production suite, with a clear hierarchy, strong focus states, and accessible compound tabs. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies accessible compound tabs to a real a podcast production suite 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 { createContext, useContext } from \"react\";\n\nconst TabsContext = createContext<{ value: string; setValue: (value: string) => void } | null>(null);\nfunction useTabs() { const value = useContext(TabsContext); if (!value) throw new Error(\"Tabs components need Tabs.Root\"); return value; }\nfunction TabsRoot({ children }: { children: React.ReactNode }) { const [value, setValue] = useState(\"brief\"); return <TabsContext.Provider value={{ value, setValue }}>{children}</TabsContext.Provider>; }\nfunction TabsList({ children }: { children: React.ReactNode }) { return <div className=\"inline-flex rounded-2xl bg-indigo-800 p-1\" role=\"tablist\">{children}</div>; }\nfunction TabsTrigger({ value, children }: { value: string; children: React.ReactNode }) { const tabs = useTabs(); return <button type=\"button\" role=\"tab\" aria-selected={tabs.value === value} onClick={() => tabs.setValue(value)} className={\"rounded-xl px-4 py-2 text-sm transition \" + (tabs.value === value ? \"bg-violet-300 font-bold text-slate-950\" : \"text-indigo-200\")}>{children}</button>; }\nfunction TabsPanel({ value, children }: { value: string; children: React.ReactNode }) { const tabs = useTabs(); return tabs.value === value ? <div role=\"tabpanel\" className=\"mt-5 rounded-2xl bg-indigo-800 p-5\">{children}</div> : null; }\n\nfunction EpisodeCompoundTabs6Core() {\n  return <div className=\"min-h-screen bg-indigo-950 p-6 text-indigo-50\"><section className=\"mx-auto max-w-5xl rounded-[2rem] bg-indigo-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-violet-200\">Episode pipeline</p><h1 className=\"mt-3 text-3xl font-semibold\">Compound parts communicate through a private context.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><TabsRoot><TabsList><TabsTrigger value=\"brief\">Brief</TabsTrigger><TabsTrigger value=\"history\">History</TabsTrigger></TabsList><TabsPanel value=\"brief\"><p className=\"text-sm text-indigo-200\">The brief is deliberately concise and actionable.</p></TabsPanel><TabsPanel value=\"history\"><p className=\"text-sm text-indigo-200\">History provides the surrounding context.</p></TabsPanel></TabsRoot><EpisodeCompoundTabs6Signature /></div></section></div>;\n}\n\n\nfunction EpisodeCompoundTabs6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-indigo-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-violet-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-indigo-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction EpisodeCompoundTabs6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-indigo-950 text-indigo-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-indigo-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-violet-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-indigo-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-indigo-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-indigo-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-indigo-50\">Interactive</dd></div></dl></aside><section>{children}<EpisodeCompoundTabs6VariantFeature /><EpisodeCompoundTabs6VariantAlgorithm /><EpisodeCompoundTabs6PatternLens /></section></div></div></main>;\n}\n\nexport function EpisodeCompoundTabs6() {\n  return <EpisodeCompoundTabs6Page><EpisodeCompoundTabs6Core /></EpisodeCompoundTabs6Page>;\n}\n\n\nfunction EpisodeCompoundTabs6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-violet-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-indigo-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-indigo-50\">{decision.title}<span className=\"float-right text-violet-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-indigo-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction EpisodeCompoundTabs6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-indigo-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-indigo-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-violet-300\" /><time className=\"text-xs text-violet-200\">{event.at}</time><p className=\"mt-1 text-indigo-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction EpisodeCompoundTabs6PatternLens() {\n  const [open, setOpen] = useState(false);\n  return <details className=\"mt-4 rounded-2xl bg-indigo-800 p-4\" open={open} onToggle={(event) => setOpen(event.currentTarget.open)}><summary className=\"cursor-pointer text-sm font-semibold text-indigo-50\">Why this boundary matters</summary><p className=\"mt-3 text-sm leading-6 text-indigo-200\">Keep behavior near the decision it serves, while letting the surrounding page stay easy to scan and test.</p><button type=\"button\" className=\"mt-3 text-xs font-bold text-violet-200\" onClick={() => setOpen((value) => !value)}>{open ? \"Collapse note\" : \"Expand note\"}</button></details>;\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 donation collections in a regional food-bank dashboard. Refactor this sketch using compound accordion state: function Screen() { return <button>Archive</button>; }. Show the improved implementation."},{"role":"assistant","content":"This version applies compound accordion state to a real a regional food-bank dashboard 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 { createContext, useContext } from \"react\";\n\nconst AccordionContext = createContext<{ open: string | null; toggle: (id: string) => void } | null>(null);\nfunction AccordionRoot({ children }: { children: React.ReactNode }) { const [open, setOpen] = useState<string | null>(\"first\"); return <AccordionContext.Provider value={{ open, toggle: (id) => setOpen((current) => current === id ? null : id) }}>{children}</AccordionContext.Provider>; }\nfunction AccordionItem({ id, title, children }: { id: string; title: string; children: React.ReactNode }) { const state = useContext(AccordionContext); if (!state) throw new Error(\"AccordionItem requires AccordionRoot\"); const open = state.open === id; return <section className=\"border-b border-neutral-700/80 last:border-0\"><h2><button type=\"button\" aria-expanded={open} onClick={() => state.toggle(id)} className=\"flex w-full justify-between py-4 text-left font-semibold focus-visible:ring-yellow-200 focus-visible:outline-none focus-visible:ring-2\">{title}<span aria-hidden=\"true\">{open ? \"−\" : \"+\"}</span></button></h2>{open && <div className=\"pb-4 text-sm leading-6 text-neutral-400\">{children}</div>}</section>; }\n\nfunction CollectionCompoundAccordion6Core() {\n  return <div className=\"min-h-screen bg-neutral-950 p-6 text-neutral-100\"><div className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><section className=\"rounded-[2rem] bg-neutral-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-yellow-200\">Donation collections</p><h1 className=\"mt-3 text-3xl font-semibold\">Only one compound item needs to know the open state.</h1><div className=\"mt-6\"><AccordionRoot><AccordionItem id=\"first\" title=\"Scope\">Clarify the outcome and owner.</AccordionItem><AccordionItem id=\"second\" title=\"Timing\">Move the next decision close to the date.</AccordionItem></AccordionRoot></div></section><CollectionCompoundAccordion6Signature /></div></div>;\n}\n\n\nfunction CollectionCompoundAccordion6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-neutral-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-yellow-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-neutral-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction CollectionCompoundAccordion6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-neutral-950 text-neutral-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-neutral-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-yellow-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-neutral-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-neutral-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-neutral-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-neutral-100\">Interactive</dd></div></dl></aside><section>{children}<CollectionCompoundAccordion6VariantFeature /><CollectionCompoundAccordion6VariantAlgorithm /><CollectionCompoundAccordion6PatternLens /></section></div></div></main>;\n}\n\nexport function CollectionCompoundAccordion6() {\n  return <CollectionCompoundAccordion6Page><CollectionCompoundAccordion6Core /></CollectionCompoundAccordion6Page>;\n}\n\n\nfunction CollectionCompoundAccordion6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-yellow-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-neutral-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-neutral-100\">{decision.title}<span className=\"float-right text-yellow-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-neutral-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction CollectionCompoundAccordion6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-neutral-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-neutral-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-yellow-300\" /><time className=\"text-xs text-yellow-200\">{event.at}</time><p className=\"mt-1 text-neutral-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction CollectionCompoundAccordion6PatternLens() {\n  const [note, setNote] = useState(\"\");\n  const [entries, setEntries] = useState<string[]>([]);\n  function addNote(event: React.FormEvent) { event.preventDefault(); const value = note.trim(); if (value) { setEntries((current) => [value, ...current]); setNote(\"\"); } }\n  return <form onSubmit={addNote} className=\"mt-4 rounded-2xl bg-neutral-800 p-4\"><label className=\"block text-sm font-semibold\">Decision trace<input value={note} onChange={(event) => setNote(event.target.value)} className=\"mt-2 w-full rounded-xl bg-neutral-900 px-3 py-2 text-sm text-neutral-100\" placeholder=\"Capture a reason\" /></label><button className=\"mt-3 rounded-xl bg-yellow-300 px-3 py-2 text-sm font-bold text-slate-950\">Add trace</button><ul className=\"mt-3 space-y-1\" aria-live=\"polite\">{entries.map((entry) => <li key={entry} className=\"text-sm text-neutral-400\">{entry}</li>)}</ul></form>;\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 wedding tasks in a wedding planning workspace. Use the section error boundary pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies section error boundary to a real a wedding planning workspace 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 { Component, type ErrorInfo, type ReactNode } from \"react\";\n\ntype BoundaryState = { hasError: boolean };\nclass SectionBoundary extends Component<{ children: ReactNode }, BoundaryState> {\n  state: BoundaryState = { hasError: false };\n  static getDerivedStateFromError() { return { hasError: true }; }\n  componentDidCatch(error: Error, info: ErrorInfo) { console.error(\"Section failed\", error, info.componentStack); }\n  render() { return this.state.hasError ? <div role=\"alert\" className=\"rounded-2xl border border-rose-400/40 bg-rose-950/50 p-5 text-sm text-rose-100\">This panel could not load. The rest of the workspace is still available.</div> : this.props.children; }\n}\nfunction VolatilePanel() { const [failed, setFailed] = useState(false); if (failed) throw new Error(\"Example failure\"); return <button type=\"button\" onClick={() => setFailed(true)} className=\"rounded-xl bg-cyan-400 px-4 py-2 text-sm font-bold text-slate-950\">Simulate panel failure</button>; }\nfunction TaskBoundaryBasic6Core() {\n  return <div className=\"min-h-screen bg-slate-950 p-6 text-slate-100\"><section className=\"mx-auto max-w-5xl rounded-[2rem] bg-slate-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-cyan-300\">Wedding tasks</p><h1 className=\"mt-3 text-3xl font-semibold\">Contain a risky panel, not the whole route.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><SectionBoundary><div className=\"rounded-2xl bg-slate-800 p-5\"><p className=\"mb-4 text-sm text-slate-400\">Independent integration panel</p><VolatilePanel /></div></SectionBoundary><TaskBoundaryBasic6Signature /></div></section></div>;\n}\n\n\nfunction TaskBoundaryBasic6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-slate-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-cyan-400\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-slate-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction TaskBoundaryBasic6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-slate-950 text-slate-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-slate-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-cyan-300\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-slate-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-slate-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-slate-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-slate-100\">Interactive</dd></div></dl></aside><section>{children}<TaskBoundaryBasic6VariantFeature /><TaskBoundaryBasic6VariantAlgorithm /><TaskBoundaryBasic6PatternLens /></section></div></div></main>;\n}\n\nexport function TaskBoundaryBasic6() {\n  return <TaskBoundaryBasic6Page><TaskBoundaryBasic6Core /></TaskBoundaryBasic6Page>;\n}\n\n\nfunction TaskBoundaryBasic6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-cyan-300\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-slate-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-slate-100\">{decision.title}<span className=\"float-right text-cyan-300\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-slate-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction TaskBoundaryBasic6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-slate-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-slate-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-cyan-400\" /><time className=\"text-xs text-cyan-300\">{event.at}</time><p className=\"mt-1 text-slate-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction TaskBoundaryBasic6PatternLens() {\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 <section className=\"mt-4 rounded-2xl border border-slate-700/80 p-4\"><div className=\"flex flex-wrap gap-2\" role=\"tablist\" aria-label=\"Pattern lens\">{Object.keys(panels).map((key) => <button key={key} type=\"button\" role=\"tab\" aria-selected={selected === key} onClick={() => setSelected(key)} className={\"rounded-xl px-3 py-2 text-sm capitalize \" + (selected === key ? \"bg-cyan-400 font-bold text-slate-950\" : \"bg-slate-800 text-slate-400\")}>{key}</button>)}</div><p className=\"mt-3 text-sm text-slate-400\" role=\"tabpanel\">{panels[selected as keyof typeof panels]}</p></section>;\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 featured listings in an artisan marketplace studio. The interaction works only with a mouse and state leaks between views. Replace the fragile approach with retryable error boundary with reset key and explain the important fix briefly."},{"role":"assistant","content":"This version applies retryable error boundary with reset key to a real an artisan marketplace studio 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 { Component, type ReactNode } from \"react\";\n\nclass RetryBoundary extends Component<{ resetKey: string; children: ReactNode }, { error: boolean }> {\n  state = { error: false };\n  static getDerivedStateFromError() { return { error: true }; }\n  componentDidUpdate(previous: { resetKey: string }) { if (previous.resetKey !== this.props.resetKey && this.state.error) this.setState({ error: false }); }\n  render() { return this.state.error ? <p role=\"alert\" className=\"rounded-2xl bg-rose-950/60 p-5 text-sm text-rose-100\">Change the filter to retry this isolated region.</p> : this.props.children; }\n}\nfunction Report({ filter }: { filter: string }) { if (filter === \"broken\") throw new Error(\"Filter error\"); return <div className=\"rounded-2xl bg-emerald-800 p-5\"><p className=\"font-semibold\">Report for {filter}</p><p className=\"mt-2 text-sm text-emerald-200\">The reset key grants a deliberate retry path.</p></div>; }\nfunction ListingBoundaryRetry6Core() {\n  const [filter, setFilter] = useState(\"current\");\n  return <div className=\"min-h-screen bg-emerald-950 p-6 text-emerald-50\"><section className=\"mx-auto max-w-4xl rounded-[2rem] bg-emerald-900 p-7 shadow-xl shadow-black/20\"><div className=\"flex flex-wrap items-start justify-between gap-4\"><div><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-lime-200\">Featured listings</p><h1 className=\"mt-3 text-3xl font-semibold\">Recovery can be driven by a stable reset key.</h1></div><select value={filter} onChange={(event) => setFilter(event.target.value)} className=\"rounded-xl bg-emerald-800 px-3 py-2 text-sm\"><option value=\"current\">Current</option><option value=\"broken\">Broken</option></select></div><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><RetryBoundary resetKey={filter}><Report filter={filter} /></RetryBoundary><ListingBoundaryRetry6Signature /></div></section></div>;\n}\n\n\nfunction ListingBoundaryRetry6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-emerald-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-lime-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-emerald-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction ListingBoundaryRetry6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-emerald-950 text-emerald-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-emerald-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-lime-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-emerald-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-emerald-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-emerald-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-emerald-50\">Interactive</dd></div></dl></aside><section>{children}<ListingBoundaryRetry6VariantFeature /><ListingBoundaryRetry6VariantAlgorithm /><ListingBoundaryRetry6PatternLens /></section></div></div></main>;\n}\n\nexport function ListingBoundaryRetry6() {\n  return <ListingBoundaryRetry6Page><ListingBoundaryRetry6Core /></ListingBoundaryRetry6Page>;\n}\n\n\nfunction ListingBoundaryRetry6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-lime-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-emerald-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-emerald-50\">{decision.title}<span className=\"float-right text-lime-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-emerald-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction ListingBoundaryRetry6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-emerald-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-emerald-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-lime-300\" /><time className=\"text-xs text-lime-200\">{event.at}</time><p className=\"mt-1 text-emerald-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction ListingBoundaryRetry6PatternLens() {\n  const lanes = [{ title: \"Now\", items: [\"Clarify\", \"Assign\"] }, { title: \"Next\", items: [\"Review\"] }];\n  return <section className=\"mt-4 grid gap-3 sm:grid-cols-2\">{lanes.map((lane) => <article key={lane.title} className=\"rounded-2xl border border-emerald-700/80 p-4\"><h3 className=\"text-sm font-semibold text-lime-200\">{lane.title}</h3><ul className=\"mt-3 space-y-2\">{lane.items.map((item) => <li key={item} className=\"rounded-xl bg-emerald-800 px-3 py-2 text-sm text-emerald-200\">{item}</li>)}</ul></article>)}</section>;\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 lazy-loaded analytics island in a physiotherapy progress app, then show a compact production-minded component for recovery plans in a physiotherapy progress app."},{"role":"assistant","content":"This version applies lazy-loaded analytics island to a real a physiotherapy progress app 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 { lazy, Suspense } from \"react\";\n\nconst AnalyticsPanel = lazy(async () => {\n  await new Promise((resolve) => window.setTimeout(resolve, 250));\n  return { default: function AnalyticsPanel() { return <section className=\"rounded-2xl bg-sky-800 p-5\"><p className=\"text-sm text-sky-200\">Loaded on demand</p><p className=\"mt-2 text-3xl font-semibold\">84%</p><p className=\"mt-1 text-sm text-sky-200\">Completion signal</p></section>; } };\n});\nfunction PlanSuspenseLazy6Core() {\n  const [showAnalytics, setShowAnalytics] = useState(false);\n  return <div className=\"min-h-screen bg-sky-950 p-6 text-sky-50\"><section className=\"mx-auto max-w-5xl rounded-[2rem] bg-sky-900 p-7 shadow-xl shadow-black/20\"><div className=\"flex flex-wrap items-start justify-between gap-4\"><div><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-teal-200\">Recovery plans</p><h1 className=\"mt-3 text-3xl font-semibold\">Load a secondary island only when it earns its weight.</h1></div><button type=\"button\" onClick={() => setShowAnalytics(true)} className=\"rounded-xl bg-teal-300 px-4 py-2 text-sm font-bold text-slate-950\">Show analytics</button></div><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-2xl bg-sky-800 p-5\">Core review content remains immediately available.</div>{showAnalytics ? <Suspense fallback={<div className=\"animate-pulse rounded-2xl bg-sky-800 p-5 text-sm text-sky-200\">Loading insight…</div>}><AnalyticsPanel /></Suspense> : <PlanSuspenseLazy6Signature />}</div></section></div>;\n}\n\n\nfunction PlanSuspenseLazy6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-sky-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-teal-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-sky-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction PlanSuspenseLazy6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-sky-950 text-sky-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-sky-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-teal-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-sky-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-sky-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-sky-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-sky-50\">Interactive</dd></div></dl></aside><section>{children}<PlanSuspenseLazy6VariantFeature /><PlanSuspenseLazy6VariantAlgorithm /><PlanSuspenseLazy6PatternLens /></section></div></div></main>;\n}\n\nexport function PlanSuspenseLazy6() {\n  return <PlanSuspenseLazy6Page><PlanSuspenseLazy6Core /></PlanSuspenseLazy6Page>;\n}\n\n\nfunction PlanSuspenseLazy6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-teal-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-sky-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-sky-50\">{decision.title}<span className=\"float-right text-teal-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-sky-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction PlanSuspenseLazy6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-sky-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-sky-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-teal-300\" /><time className=\"text-xs text-teal-200\">{event.at}</time><p className=\"mt-1 text-sky-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction PlanSuspenseLazy6PatternLens() {\n  const checkpoints = [\"Scope\", \"Owner\", \"Evidence\"];\n  return <section className=\"mt-4 rounded-2xl border border-sky-700/80 p-4\"><p className=\"text-xs font-bold uppercase tracking-[0.18em] text-teal-200\">Pattern checklist</p><ol className=\"mt-3 grid gap-2 sm:grid-cols-3\">{checkpoints.map((checkpoint, index) => <li key={checkpoint} className=\"rounded-xl bg-sky-800 px-3 py-3 text-sm\"><span className=\"mr-2 text-teal-200\">{index + 1}</span>{checkpoint}</li>)}</ol></section>;\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 site inspections in a solar installer field app, with a clear hierarchy, strong focus states, and resource boundary with fallback. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies resource boundary with fallback to a real a solar installer field app 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 { Suspense } from \"react\";\n\ntype Resource<T> = { read: () => T };\nfunction createResource<T>(promise: Promise<T>): Resource<T> {\n  let status = \"pending\"; let result: T;\n  const suspender = promise.then((value) => { status = \"success\"; result = value; });\n  return { read() { if (status === \"pending\") throw suspender; return result; } };\n}\nconst resource = createResource(new Promise<string[]>((resolve) => window.setTimeout(() => resolve([\"Signal\", \"Owner\", \"Decision\"]), 300)));\nfunction ResourceList() { const labels = resource.read(); return <ul className=\"space-y-2\">{labels.map((label) => <li key={label} className=\"rounded-xl bg-teal-800 px-4 py-3 text-sm\">{label}</li>)}</ul>; }\nfunction InspectionSuspenseResource6Core() {\n  return <div className=\"min-h-screen bg-teal-950 p-6 text-teal-50\"><section className=\"mx-auto max-w-5xl rounded-[2rem] bg-teal-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-emerald-200\">Site inspections</p><h1 className=\"mt-3 text-3xl font-semibold\">A Suspense boundary tells the reader exactly what can wait.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><Suspense fallback={<div className=\"rounded-2xl bg-teal-800 p-5 text-sm text-teal-200\">Preparing records…</div>}><ResourceList /></Suspense><InspectionSuspenseResource6Signature /></div></section></div>;\n}\n\n\nfunction InspectionSuspenseResource6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-teal-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-emerald-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-teal-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction InspectionSuspenseResource6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-teal-950 text-teal-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-teal-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-emerald-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-teal-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-teal-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-teal-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-teal-50\">Interactive</dd></div></dl></aside><section>{children}<InspectionSuspenseResource6VariantFeature /><InspectionSuspenseResource6VariantAlgorithm /><InspectionSuspenseResource6PatternLens /></section></div></div></main>;\n}\n\nexport function InspectionSuspenseResource6() {\n  return <InspectionSuspenseResource6Page><InspectionSuspenseResource6Core /></InspectionSuspenseResource6Page>;\n}\n\n\nfunction InspectionSuspenseResource6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-emerald-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-teal-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-teal-50\">{decision.title}<span className=\"float-right text-emerald-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-teal-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction InspectionSuspenseResource6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-teal-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-teal-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-emerald-300\" /><time className=\"text-xs text-emerald-200\">{event.at}</time><p className=\"mt-1 text-teal-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction InspectionSuspenseResource6PatternLens() {\n  const rows = [{ label: \"Clarity\", value: \"High\" }, { label: \"Risk\", value: \"Low\" }, { label: \"Owner\", value: \"Named\" }];\n  return <section className=\"mt-4 overflow-hidden rounded-2xl border border-teal-700/80\"><table className=\"w-full text-left text-sm\"><caption className=\"caption-top px-4 py-3 text-left text-xs font-bold uppercase tracking-[0.18em] text-emerald-200\">Pattern readout</caption><tbody>{rows.map((row) => <tr key={row.label} className=\"border-t border-teal-700/80\"><th scope=\"row\" className=\"px-4 py-3 font-medium\">{row.label}</th><td className=\"px-4 py-3 text-right text-teal-200\">{row.value}</td></tr>)}</tbody></table></section>;\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 service routes in a neighborhood transit dashboard. Refactor this sketch using react-hook-form validation: function Screen() { return <button>Schedule</button>; }. Show the improved implementation."},{"role":"assistant","content":"This version applies react-hook-form validation to a real a neighborhood transit dashboard 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 { useForm } from \"react-hook-form\";\n\ntype FormValues = { title: string; owner: string; priority: \"low\" | \"high\" };\nfunction RouteRhf6Core() {\n  const { register, handleSubmit, formState: { errors, isSubmitting } } = useForm<FormValues>({ defaultValues: { title: \"\", owner: \"\", priority: \"low\" } });\n  const [saved, setSaved] = useState(false);\n  const submit = async (values: FormValues) => { await new Promise((resolve) => window.setTimeout(resolve, 250)); setSaved(Boolean(values.title)); };\n  return <div className=\"min-h-screen bg-zinc-950 p-6 text-zinc-100\"><section className=\"mx-auto max-w-4xl rounded-[2rem] bg-zinc-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-fuchsia-300\">Service routes</p><h1 className=\"mt-3 text-3xl font-semibold\">A library can own validation while the form remains semantic.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><form onSubmit={handleSubmit(submit)} noValidate className=\"space-y-4\"><label className=\"block text-sm font-medium\">Title<input {...register(\"title\", { required: \"Add a concise title.\" })} aria-invalid={Boolean(errors.title)} className=\"mt-2 w-full rounded-xl border border-zinc-700/80 bg-zinc-950 px-3 py-2 text-zinc-100\" /></label>{errors.title && <p role=\"alert\" className=\"text-sm text-rose-300\">{errors.title.message}</p>}<label className=\"block text-sm font-medium\">Owner<input {...register(\"owner\", { required: \"Choose an owner.\" })} className=\"mt-2 w-full rounded-xl border border-zinc-700/80 bg-zinc-950 px-3 py-2 text-zinc-100\" /></label><select {...register(\"priority\")} className=\"w-full rounded-xl border border-zinc-700/80 bg-zinc-950 px-3 py-2 text-sm\"><option value=\"low\">Low priority</option><option value=\"high\">High priority</option></select><button disabled={isSubmitting} className=\"rounded-xl bg-fuchsia-400 px-4 py-2 text-sm font-bold text-slate-950 disabled:opacity-60\">{isSubmitting ? \"Saving…\" : \"Schedule\"}</button>{saved && <p role=\"status\" className=\"text-sm text-fuchsia-300\">Saved.</p>}</form><RouteRhf6Signature /></div></section></div>;\n}\n\n\nfunction RouteRhf6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-zinc-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-fuchsia-400\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-zinc-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction RouteRhf6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-zinc-950 text-zinc-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-zinc-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-fuchsia-300\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-zinc-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-zinc-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-zinc-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-zinc-100\">Interactive</dd></div></dl></aside><section>{children}<RouteRhf6VariantFeature /><RouteRhf6VariantAlgorithm /><RouteRhf6PatternLens /></section></div></div></main>;\n}\n\nexport function RouteRhf6() {\n  return <RouteRhf6Page><RouteRhf6Core /></RouteRhf6Page>;\n}\n\n\nfunction RouteRhf6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-fuchsia-300\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-zinc-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-zinc-100\">{decision.title}<span className=\"float-right text-fuchsia-300\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-zinc-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction RouteRhf6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-zinc-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-zinc-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-fuchsia-400\" /><time className=\"text-xs text-fuchsia-300\">{event.at}</time><p className=\"mt-1 text-zinc-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction RouteRhf6PatternLens() {\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 <section className=\"mt-4 rounded-2xl border border-zinc-700/80 p-4\"><div className=\"flex justify-between\"><p className=\"text-sm font-semibold\">Evidence mix</p><output className=\"text-sm text-fuchsia-300\">{average}%</output></div><dl className=\"mt-3 space-y-3\">{signals.map((signal) => <div key={signal.label}><div className=\"flex justify-between text-xs text-zinc-400\"><dt>{signal.label}</dt><dd>{signal.value}%</dd></div><div className=\"mt-1 h-2 overflow-hidden rounded-full bg-black/20\"><div className=\"h-full bg-fuchsia-400\" style={{ width: signal.value + \"%\" }} /></div></div>)}</dl></section>;\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 practice lessons in a language-learning coach app. Use the react-hook-form field array pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies react-hook-form field array to a real a language-learning coach app 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\nimport { useFieldArray, useForm } from \"react-hook-form\";\n\ntype FormValues = { reviewers: { name: string; role: string }[] };\nfunction LessonRhfArray6Core() {\n  const { control, register, handleSubmit } = useForm<FormValues>({ defaultValues: { reviewers: [{ name: \"\", role: \"Observer\" }] } });\n  const { fields, append, remove } = useFieldArray({ control, name: \"reviewers\" });\n  const [submitted, setSubmitted] = useState(false);\n  return <div className=\"min-h-screen bg-rose-950 p-6 text-rose-50\"><section className=\"mx-auto max-w-5xl rounded-[2rem] bg-rose-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-orange-200\">Practice lessons</p><h1 className=\"mt-3 text-3xl font-semibold\">Field arrays model repeated groups without hand-rolled keys.</h1><div className=\"mt-6 grid gap-5 md:grid-cols-[1fr_.7fr]\"><form onSubmit={handleSubmit(() => setSubmitted(true))} className=\"space-y-3\">{fields.map((field, index) => <div key={field.id} className=\"grid grid-cols-[1fr_1fr_auto] gap-2\"><input {...register(\"reviewers.\" + index + \".name\" as const)} placeholder=\"Name\" className=\"min-w-0 rounded-xl border border-rose-700/80 bg-rose-950 px-3 py-2 text-sm text-rose-50\" /><input {...register(\"reviewers.\" + index + \".role\" as const)} placeholder=\"Role\" className=\"min-w-0 rounded-xl border border-rose-700/80 bg-rose-950 px-3 py-2 text-sm text-rose-50\" /><button type=\"button\" onClick={() => remove(index)} className=\"rounded-xl border border-rose-700/80 px-3 text-sm\">Remove</button></div>)}<button type=\"button\" onClick={() => append({ name: \"\", role: \"Observer\" })} className=\"rounded-xl bg-rose-800 px-4 py-2 text-sm\">Add reviewer</button><button className=\"ml-2 rounded-xl bg-orange-300 px-4 py-2 text-sm font-bold text-slate-950\">Confirm</button>{submitted && <p role=\"status\" className=\"text-sm text-orange-200\">Reviewers saved.</p>}</form><LessonRhfArray6Signature /></div></section></div>;\n}\n\n\nfunction LessonRhfArray6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-rose-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-orange-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-rose-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction LessonRhfArray6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-rose-950 text-rose-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-rose-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-orange-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-rose-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-rose-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-rose-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-rose-50\">Interactive</dd></div></dl></aside><section>{children}<LessonRhfArray6VariantFeature /><LessonRhfArray6VariantAlgorithm /><LessonRhfArray6PatternLens /></section></div></div></main>;\n}\n\nexport function LessonRhfArray6() {\n  return <LessonRhfArray6Page><LessonRhfArray6Core /></LessonRhfArray6Page>;\n}\n\n\nfunction LessonRhfArray6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-orange-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-rose-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-rose-50\">{decision.title}<span className=\"float-right text-orange-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-rose-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction LessonRhfArray6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-rose-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-rose-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-orange-300\" /><time className=\"text-xs text-orange-200\">{event.at}</time><p className=\"mt-1 text-rose-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction LessonRhfArray6PatternLens() {\n  const points = [18, 43, 35, 68, 82];\n  return <figure className=\"mt-4 rounded-2xl bg-rose-800 p-4\"><div className=\"flex items-baseline justify-between\"><figcaption className=\"text-sm font-semibold\">Signal trajectory</figcaption><span className=\"text-xs text-rose-200\">Five checkpoints</span></div><svg viewBox=\"0 0 240 100\" className=\"mt-4 h-24 w-full\" role=\"img\" aria-label=\"Rising workflow signal\"><polyline fill=\"none\" stroke=\"currentColor\" strokeWidth=\"3\" className=\"text-orange-200\" points={points.map((point, index) => index * 55 + \",\" + (100 - point)).join(\" \")} />{points.map((point, index) => <circle key={index} cx={index * 55} cy={100 - point} r=\"5\" className=\"bg-orange-300\" />)}</svg></figure>;\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 playtest reports in a game studio playtest tracker. The interaction works only with a mouse and state leaks between views. Replace the fragile approach with pure view plus adapter and explain the important fix briefly."},{"role":"assistant","content":"This version applies pure view plus adapter to a real a game studio playtest tracker 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 SummaryProps = { title: string; status: \"ready\" | \"blocked\"; onOpen: () => void };\nexport function ReviewSummary({ title, status, onOpen }: SummaryProps) {\n  return <article className=\"rounded-2xl bg-purple-800 p-5\"><p className=\"text-xs font-bold uppercase tracking-[0.16em] text-pink-200\">{status}</p><h2 className=\"mt-2 text-xl font-semibold\">{title}</h2><button type=\"button\" onClick={onOpen} className=\"mt-5 rounded-xl bg-pink-300 px-4 py-2 text-sm font-bold text-slate-950 focus-visible:ring-pink-200 focus-visible:outline-none focus-visible:ring-2\">Open review</button></article>;\n}\nfunction ReportTestingPure6Core() {\n  const [opened, setOpened] = useState(false);\n  return <div className=\"min-h-screen bg-purple-950 p-6 text-purple-50\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-purple-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-pink-200\">Playtest reports</p><h1 className=\"mt-3 text-3xl font-semibold\">Keep the view pure so a test can supply every dependency.</h1><div className=\"mt-6\"><ReviewSummary title=\"Release readiness\" status={opened ? \"ready\" : \"blocked\"} onOpen={() => setOpened(true)} /></div></div><ReportTestingPure6Signature /></section></div>;\n}\n\n\nfunction ReportTestingPure6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-purple-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-pink-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-purple-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction ReportTestingPure6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-purple-950 text-purple-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-purple-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-pink-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-purple-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-purple-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-purple-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-purple-50\">Interactive</dd></div></dl></aside><section>{children}<ReportTestingPure6VariantFeature /><ReportTestingPure6VariantAlgorithm /><ReportTestingPure6PatternLens /></section></div></div></main>;\n}\n\nexport function ReportTestingPure6() {\n  return <ReportTestingPure6Page><ReportTestingPure6Core /></ReportTestingPure6Page>;\n}\n\n\nfunction ReportTestingPure6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-pink-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-purple-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-purple-50\">{decision.title}<span className=\"float-right text-pink-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-purple-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction ReportTestingPure6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-purple-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-purple-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-pink-300\" /><time className=\"text-xs text-pink-200\">{event.at}</time><p className=\"mt-1 text-purple-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction ReportTestingPure6PatternLens() {\n  const [open, setOpen] = useState(false);\n  return <details className=\"mt-4 rounded-2xl bg-purple-800 p-4\" open={open} onToggle={(event) => setOpen(event.currentTarget.open)}><summary className=\"cursor-pointer text-sm font-semibold text-purple-50\">Why this boundary matters</summary><p className=\"mt-3 text-sm leading-6 text-purple-200\">Keep behavior near the decision it serves, while letting the surrounding page stay easy to scan and test.</p><button type=\"button\" className=\"mt-3 text-xs font-bold text-pink-200\" onClick={() => setOpen((value) => !value)}>{open ? \"Collapse note\" : \"Expand note\"}</button></details>;\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 dependency-injected service in a podcast production suite, then show a compact production-minded component for episode pipeline in a podcast production suite."},{"role":"assistant","content":"This version applies dependency-injected service to a real a podcast production suite 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\ntype SaveService = { save: (note: string) => Promise<void> };\nexport function NoteComposer({ service }: { service: SaveService }) {\n  const [note, setNote] = useState(\"\");\n  const [status, setStatus] = useState(\"Idle\");\n  async function submit() { setStatus(\"Saving\"); await service.save(note); setStatus(\"Saved\"); }\n  return <form onSubmit={(event) => { event.preventDefault(); void submit(); }} className=\"rounded-2xl bg-stone-800 p-5\"><label className=\"block text-sm font-medium\">Note<textarea value={note} onChange={(event) => setNote(event.target.value)} className=\"mt-2 w-full rounded-xl border border-stone-700/80 bg-stone-950 p-3 text-sm text-stone-100\" /></label><button className=\"mt-4 rounded-xl bg-amber-400 px-4 py-2 text-sm font-bold text-slate-950\">Save note</button><p className=\"mt-3 text-sm text-stone-400\" role=\"status\">{status}</p></form>;\n}\nfunction EpisodeTestingInjected6Core() {\n  const service: SaveService = { save: async () => { await new Promise((resolve) => window.setTimeout(resolve, 200)); } };\n  return <div className=\"min-h-screen bg-stone-950 p-6 text-stone-100\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-stone-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-amber-300\">Episode pipeline</p><h1 className=\"mt-3 text-3xl font-semibold\">Inject the side effect; tests can replace it with a fake.</h1><div className=\"mt-6\"><NoteComposer service={service} /></div></div><EpisodeTestingInjected6Signature /></section></div>;\n}\n\n\nfunction EpisodeTestingInjected6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-stone-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-amber-400\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-stone-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction EpisodeTestingInjected6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-stone-950 text-stone-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-stone-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-amber-300\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-stone-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-stone-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-stone-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-stone-100\">Interactive</dd></div></dl></aside><section>{children}<EpisodeTestingInjected6VariantFeature /><EpisodeTestingInjected6VariantAlgorithm /><EpisodeTestingInjected6PatternLens /></section></div></div></main>;\n}\n\nexport function EpisodeTestingInjected6() {\n  return <EpisodeTestingInjected6Page><EpisodeTestingInjected6Core /></EpisodeTestingInjected6Page>;\n}\n\n\nfunction EpisodeTestingInjected6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-amber-300\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-stone-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-stone-100\">{decision.title}<span className=\"float-right text-amber-300\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-stone-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction EpisodeTestingInjected6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-stone-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-stone-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-amber-400\" /><time className=\"text-xs text-amber-300\">{event.at}</time><p className=\"mt-1 text-stone-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction EpisodeTestingInjected6PatternLens() {\n  const [note, setNote] = useState(\"\");\n  const [entries, setEntries] = useState<string[]>([]);\n  function addNote(event: React.FormEvent) { event.preventDefault(); const value = note.trim(); if (value) { setEntries((current) => [value, ...current]); setNote(\"\"); } }\n  return <form onSubmit={addNote} className=\"mt-4 rounded-2xl bg-stone-800 p-4\"><label className=\"block text-sm font-semibold\">Decision trace<input value={note} onChange={(event) => setNote(event.target.value)} className=\"mt-2 w-full rounded-xl bg-stone-900 px-3 py-2 text-sm text-stone-100\" placeholder=\"Capture a reason\" /></label><button className=\"mt-3 rounded-xl bg-amber-400 px-3 py-2 text-sm font-bold text-slate-950\">Add trace</button><ul className=\"mt-3 space-y-1\" aria-live=\"polite\">{entries.map((entry) => <li key={entry} className=\"text-sm text-stone-400\">{entry}</li>)}</ul></form>;\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 donation collections in a regional food-bank dashboard, with a clear hierarchy, strong focus states, and focus-managed modal dialog. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies focus-managed modal dialog to a real a regional food-bank dashboard 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, useRef } from \"react\";\n\nfunction ConfirmDialog({ open, onClose, onConfirm }: { open: boolean; onClose: () => void; onConfirm: () => void }) {\n  const confirmRef = useRef<HTMLButtonElement>(null);\n  useEffect(() => { if (open) confirmRef.current?.focus(); }, [open]);\n  if (!open) return null;\n  return <div className=\"fixed inset-0 z-20 grid place-items-center bg-black/65 p-6\" role=\"presentation\" onMouseDown={onClose}><section role=\"dialog\" aria-modal=\"true\" aria-labelledby=\"dialog-title\" className=\"w-full max-w-md rounded-[2rem] bg-indigo-900 p-6 shadow-2xl\" onMouseDown={(event) => event.stopPropagation()}><p className=\"text-xs font-bold uppercase tracking-[0.18em] text-violet-200\">Confirm action</p><h2 id=\"dialog-title\" className=\"mt-3 text-2xl font-semibold text-indigo-50\">Publish this review?</h2><p className=\"mt-2 text-sm leading-6 text-indigo-200\">The action becomes visible to collaborators immediately.</p><div className=\"mt-6 flex justify-end gap-3\"><button type=\"button\" onClick={onClose} className=\"rounded-xl border border-indigo-700/80 px-4 py-2 text-sm text-indigo-50\">Cancel</button><button ref={confirmRef} type=\"button\" onClick={onConfirm} className=\"rounded-xl bg-violet-300 px-4 py-2 text-sm font-bold text-slate-950\">Publish</button></div></section></div>;\n}\nfunction CollectionA11YDialog6Core() {\n  const [open, setOpen] = useState(false);\n  const [published, setPublished] = useState(false);\n  return <div className=\"min-h-screen bg-indigo-950 p-6 text-indigo-50\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-indigo-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-violet-200\">Donation collections</p><h1 className=\"mt-3 text-3xl font-semibold\">Move focus into the decision, then return control.</h1><button type=\"button\" onClick={() => setOpen(true)} className=\"mt-6 rounded-xl bg-violet-300 px-4 py-2 text-sm font-bold text-slate-950\">Archive</button>{published && <p className=\"mt-3 text-sm text-violet-200\" role=\"status\">Published.</p>}</div><CollectionA11YDialog6Signature /></section><ConfirmDialog open={open} onClose={() => setOpen(false)} onConfirm={() => { setPublished(true); setOpen(false); }} /></div>;\n}\n\n\nfunction CollectionA11YDialog6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-indigo-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-violet-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-indigo-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction CollectionA11YDialog6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-indigo-950 text-indigo-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-indigo-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-violet-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-indigo-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-indigo-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-indigo-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-indigo-50\">Interactive</dd></div></dl></aside><section>{children}<CollectionA11YDialog6VariantFeature /><CollectionA11YDialog6VariantAlgorithm /><CollectionA11YDialog6PatternLens /></section></div></div></main>;\n}\n\nexport function CollectionA11YDialog6() {\n  return <CollectionA11YDialog6Page><CollectionA11YDialog6Core /></CollectionA11YDialog6Page>;\n}\n\n\nfunction CollectionA11YDialog6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-violet-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-indigo-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-indigo-50\">{decision.title}<span className=\"float-right text-violet-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-indigo-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction CollectionA11YDialog6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-indigo-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-indigo-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-violet-300\" /><time className=\"text-xs text-violet-200\">{event.at}</time><p className=\"mt-1 text-indigo-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction CollectionA11YDialog6PatternLens() {\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 <section className=\"mt-4 rounded-2xl border border-indigo-700/80 p-4\"><div className=\"flex flex-wrap gap-2\" role=\"tablist\" aria-label=\"Pattern lens\">{Object.keys(panels).map((key) => <button key={key} type=\"button\" role=\"tab\" aria-selected={selected === key} onClick={() => setSelected(key)} className={\"rounded-xl px-3 py-2 text-sm capitalize \" + (selected === key ? \"bg-violet-300 font-bold text-slate-950\" : \"bg-indigo-800 text-indigo-200\")}>{key}</button>)}</div><p className=\"mt-3 text-sm text-indigo-200\" role=\"tabpanel\">{panels[selected as keyof typeof panels]}</p></section>;\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 pet patients in a veterinary care portal. Refactor this sketch using roving-tabindex toolbar: function Screen() { return <button>Review</button>; }. Show the improved implementation."},{"role":"assistant","content":"This version applies roving-tabindex toolbar to a real a veterinary care 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 { useRef } from \"react\";\n\nconst tools = [\"Move\", \"Tag\", \"Assign\", \"Archive\"];\nfunction PatientA11YRoving6Core() {\n  const [active, setActive] = useState(0);\n  const buttons = useRef<Array<HTMLButtonElement | null>>([]);\n  function onKeyDown(event: React.KeyboardEvent<HTMLDivElement>) {\n    if (![\"ArrowRight\", \"ArrowLeft\", \"Home\", \"End\"].includes(event.key)) return;\n    event.preventDefault();\n    const next = event.key === \"Home\" ? 0 : event.key === \"End\" ? tools.length - 1 : (active + (event.key === \"ArrowRight\" ? 1 : -1) + tools.length) % tools.length;\n    setActive(next); buttons.current[next]?.focus();\n  }\n  return <div className=\"min-h-screen bg-neutral-950 p-6 text-neutral-100\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-neutral-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-yellow-200\">Pet patients</p><h1 className=\"mt-3 text-3xl font-semibold\">Arrow keys move through a compact action toolbar.</h1><div className=\"mt-6 flex flex-wrap gap-2\" role=\"toolbar\" aria-label=\"Record actions\" onKeyDown={onKeyDown}>{tools.map((tool, index) => <button key={tool} ref={(node) => { buttons.current[index] = node; }} type=\"button\" tabIndex={active === index ? 0 : -1} onFocus={() => setActive(index)} className={\"rounded-xl px-4 py-2 text-sm focus-visible:ring-yellow-200 focus-visible:outline-none focus-visible:ring-2 \" + (active === index ? \"bg-yellow-300 font-bold text-slate-950\" : \"bg-neutral-800\")}>{tool}</button>)}</div></div><PatientA11YRoving6Signature /></section></div>;\n}\n\n\nfunction PatientA11YRoving6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-neutral-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-yellow-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-neutral-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction PatientA11YRoving6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-neutral-950 text-neutral-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-neutral-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-yellow-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-neutral-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-neutral-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-neutral-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-neutral-100\">Interactive</dd></div></dl></aside><section>{children}<PatientA11YRoving6VariantFeature /><PatientA11YRoving6VariantAlgorithm /><PatientA11YRoving6PatternLens /></section></div></div></main>;\n}\n\nexport function PatientA11YRoving6() {\n  return <PatientA11YRoving6Page><PatientA11YRoving6Core /></PatientA11YRoving6Page>;\n}\n\n\nfunction PatientA11YRoving6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-yellow-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-neutral-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-neutral-100\">{decision.title}<span className=\"float-right text-yellow-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-neutral-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction PatientA11YRoving6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-neutral-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-neutral-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-yellow-300\" /><time className=\"text-xs text-yellow-200\">{event.at}</time><p className=\"mt-1 text-neutral-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction PatientA11YRoving6PatternLens() {\n  const lanes = [{ title: \"Now\", items: [\"Clarify\", \"Assign\"] }, { title: \"Next\", items: [\"Review\"] }];\n  return <section className=\"mt-4 grid gap-3 sm:grid-cols-2\">{lanes.map((lane) => <article key={lane.title} className=\"rounded-2xl border border-neutral-700/80 p-4\"><h3 className=\"text-sm font-semibold text-yellow-200\">{lane.title}</h3><ul className=\"mt-3 space-y-2\">{lane.items.map((item) => <li key={item} className=\"rounded-xl bg-neutral-800 px-3 py-2 text-sm text-neutral-400\">{item}</li>)}</ul></article>)}</section>;\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 savings goals in a personal finance coaching app. Use the live-region status announcement pattern, keep the API reusable, and give the UI a distinctive dark, editorial treatment."},{"role":"assistant","content":"This version applies live-region status announcement to a real a personal finance coaching 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\nfunction GoalA11YLive6Core() {\n  const [count, setCount] = useState(3);\n  const [message, setMessage] = useState(\"3 items selected\");\n  function removeOne() { const next = Math.max(0, count - 1); setCount(next); setMessage(next + (next === 1 ? \" item selected\" : \" items selected\")); }\n  return <div className=\"min-h-screen bg-slate-950 p-6 text-slate-100\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-slate-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-cyan-300\">Savings goals</p><h1 className=\"mt-3 text-3xl font-semibold\">Screen-reader feedback follows consequential changes.</h1><p className=\"mt-5 text-sm text-slate-400\">Selected: {count}</p><button type=\"button\" onClick={removeOne} disabled={count === 0} className=\"mt-4 rounded-xl bg-cyan-400 px-4 py-2 text-sm font-bold text-slate-950 disabled:opacity-50\">Remove one</button><p className=\"sr-only\" aria-live=\"polite\">{message}</p></div><GoalA11YLive6Signature /></section></div>;\n}\n\n\nfunction GoalA11YLive6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-slate-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-cyan-400\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-slate-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction GoalA11YLive6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-slate-950 text-slate-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-slate-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-cyan-300\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-slate-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-slate-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-slate-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-slate-100\">Interactive</dd></div></dl></aside><section>{children}<GoalA11YLive6VariantFeature /><GoalA11YLive6VariantAlgorithm /><GoalA11YLive6PatternLens /></section></div></div></main>;\n}\n\nexport function GoalA11YLive6() {\n  return <GoalA11YLive6Page><GoalA11YLive6Core /></GoalA11YLive6Page>;\n}\n\n\nfunction GoalA11YLive6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-cyan-300\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-slate-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-slate-100\">{decision.title}<span className=\"float-right text-cyan-300\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-slate-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction GoalA11YLive6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-slate-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-slate-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-cyan-400\" /><time className=\"text-xs text-cyan-300\">{event.at}</time><p className=\"mt-1 text-slate-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction GoalA11YLive6PatternLens() {\n  const checkpoints = [\"Scope\", \"Owner\", \"Evidence\"];\n  return <section className=\"mt-4 rounded-2xl border border-slate-700/80 p-4\"><p className=\"text-xs font-bold uppercase tracking-[0.18em] text-cyan-300\">Pattern checklist</p><ol className=\"mt-3 grid gap-2 sm:grid-cols-3\">{checkpoints.map((checkpoint, index) => <li key={checkpoint} className=\"rounded-xl bg-slate-800 px-3 py-3 text-sm\"><span className=\"mr-2 text-cyan-300\">{index + 1}</span>{checkpoint}</li>)}</ol></section>;\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 recovery plans in a physiotherapy progress app. The interaction works only with a mouse and state leaks between views. Replace the fragile approach with forwarded input ref and explain the important fix briefly."},{"role":"assistant","content":"This version applies forwarded input ref to a real a physiotherapy progress 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 { forwardRef, useRef } from \"react\";\n\ntype FieldProps = React.ComponentPropsWithoutRef<\"input\"> & { label: string; hint?: string };\nconst Field = forwardRef<HTMLInputElement, FieldProps>(function Field({ label, hint, id, ...props }, ref) {\n  const inputId = id ?? \"field-6\";\n  return <label htmlFor={inputId} className=\"block\"><span className=\"text-sm font-medium text-emerald-50\">{label}</span><input ref={ref} id={inputId} {...props} className=\"mt-2 w-full rounded-xl border border-emerald-700/80 bg-emerald-950 px-3 py-2 text-sm text-emerald-50 focus-visible:ring-lime-200 focus-visible:outline-none focus-visible:ring-2\" />{hint && <span className=\"mt-2 block text-xs text-emerald-200\">{hint}</span>}</label>;\n});\nfunction PlanRefForward6Core() {\n  const fieldRef = useRef<HTMLInputElement>(null);\n  return <div className=\"min-h-screen bg-emerald-950 p-6 text-emerald-50\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-emerald-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-lime-200\">Recovery plans</p><h1 className=\"mt-3 text-3xl font-semibold\">A design-system field can still expose the native focus target.</h1><div className=\"mt-6\"><Field ref={fieldRef} label=\"Reviewer\" hint=\"The parent can focus this after a failed validation.\" placeholder=\"Start typing a name\" /></div><button type=\"button\" onClick={() => fieldRef.current?.focus()} className=\"mt-4 rounded-xl bg-lime-300 px-4 py-2 text-sm font-bold text-slate-950\">Focus field</button></div><PlanRefForward6Signature /></section></div>;\n}\n\n\nfunction PlanRefForward6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-emerald-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-lime-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-emerald-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction PlanRefForward6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-emerald-950 text-emerald-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-emerald-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-lime-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-emerald-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-emerald-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-emerald-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-emerald-50\">Interactive</dd></div></dl></aside><section>{children}<PlanRefForward6VariantFeature /><PlanRefForward6VariantAlgorithm /><PlanRefForward6PatternLens /></section></div></div></main>;\n}\n\nexport function PlanRefForward6() {\n  return <PlanRefForward6Page><PlanRefForward6Core /></PlanRefForward6Page>;\n}\n\n\nfunction PlanRefForward6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-lime-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-emerald-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-emerald-50\">{decision.title}<span className=\"float-right text-lime-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-emerald-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction PlanRefForward6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-emerald-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-emerald-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-lime-300\" /><time className=\"text-xs text-lime-200\">{event.at}</time><p className=\"mt-1 text-emerald-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction PlanRefForward6PatternLens() {\n  const rows = [{ label: \"Clarity\", value: \"High\" }, { label: \"Risk\", value: \"Low\" }, { label: \"Owner\", value: \"Named\" }];\n  return <section className=\"mt-4 overflow-hidden rounded-2xl border border-emerald-700/80\"><table className=\"w-full text-left text-sm\"><caption className=\"caption-top px-4 py-3 text-left text-xs font-bold uppercase tracking-[0.18em] text-lime-200\">Pattern readout</caption><tbody>{rows.map((row) => <tr key={row.label} className=\"border-t border-emerald-700/80\"><th scope=\"row\" className=\"px-4 py-3 font-medium\">{row.label}</th><td className=\"px-4 py-3 text-right text-emerald-200\">{row.value}</td></tr>)}</tbody></table></section>;\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 imperative handle for a scroller in a solar installer field app, then show a compact production-minded component for site inspections in a solar installer field app."},{"role":"assistant","content":"This version applies imperative handle for a scroller to a real a solar installer field app 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 { forwardRef, useImperativeHandle, useRef } from \"react\";\n\ntype RailHandle = { scrollToStart: () => void; scrollToEnd: () => void };\nconst ActivityRail = forwardRef<RailHandle>(function ActivityRail(_, ref) {\n  const railRef = useRef<HTMLDivElement>(null);\n  useImperativeHandle(ref, () => ({ scrollToStart: () => railRef.current?.scrollTo({ left: 0, behavior: \"smooth\" }), scrollToEnd: () => railRef.current?.scrollTo({ left: railRef.current.scrollWidth, behavior: \"smooth\" }) }), []);\n  return <div ref={railRef} className=\"flex gap-3 overflow-x-auto pb-3\">{[\"Scope\", \"Owner\", \"Review\", \"Release\", \"Archive\"].map((step) => <article key={step} className=\"min-w-44 rounded-2xl bg-sky-800 p-4\"><p className=\"text-sm font-semibold\">{step}</p><p className=\"mt-2 text-xs text-sky-200\">Activity context</p></article>)}</div>;\n});\nfunction InspectionRefImperative6Core() {\n  const rail = useRef<RailHandle>(null);\n  return <div className=\"min-h-screen bg-sky-950 p-6 text-sky-50\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-sky-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-teal-200\">Site inspections</p><h1 className=\"mt-3 text-3xl font-semibold\">Expose a narrow imperative capability, not a whole DOM node.</h1><div className=\"mt-6 flex gap-2\"><button onClick={() => rail.current?.scrollToStart()} className=\"rounded-xl border border-sky-700/80 px-3 py-2 text-sm\">Start</button><button onClick={() => rail.current?.scrollToEnd()} className=\"rounded-xl bg-teal-300 px-3 py-2 text-sm font-bold text-slate-950\">End</button></div><div className=\"mt-5\"><ActivityRail ref={rail} /></div></div><InspectionRefImperative6Signature /></section></div>;\n}\n\n\nfunction InspectionRefImperative6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-sky-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-teal-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-sky-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction InspectionRefImperative6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-sky-950 text-sky-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-sky-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-teal-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-sky-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-sky-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-sky-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-sky-50\">Interactive</dd></div></dl></aside><section>{children}<InspectionRefImperative6VariantFeature /><InspectionRefImperative6VariantAlgorithm /><InspectionRefImperative6PatternLens /></section></div></div></main>;\n}\n\nexport function InspectionRefImperative6() {\n  return <InspectionRefImperative6Page><InspectionRefImperative6Core /></InspectionRefImperative6Page>;\n}\n\n\nfunction InspectionRefImperative6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-teal-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-sky-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-sky-50\">{decision.title}<span className=\"float-right text-teal-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-sky-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction InspectionRefImperative6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-sky-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-sky-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-teal-300\" /><time className=\"text-xs text-teal-200\">{event.at}</time><p className=\"mt-1 text-sky-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction InspectionRefImperative6PatternLens() {\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 <section className=\"mt-4 rounded-2xl border border-sky-700/80 p-4\"><div className=\"flex justify-between\"><p className=\"text-sm font-semibold\">Evidence mix</p><output className=\"text-sm text-teal-200\">{average}%</output></div><dl className=\"mt-3 space-y-3\">{signals.map((signal) => <div key={signal.label}><div className=\"flex justify-between text-xs text-sky-200\"><dt>{signal.label}</dt><dd>{signal.value}%</dd></div><div className=\"mt-1 h-2 overflow-hidden rounded-full bg-black/20\"><div className=\"h-full bg-teal-300\" style={{ width: signal.value + \"%\" }} /></div></div>)}</dl></section>;\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 service routes in a neighborhood transit dashboard, with a clear hierarchy, strong focus states, and composed callback refs. Prefer a non-generic layout."},{"role":"assistant","content":"This version applies composed callback refs to a real a neighborhood transit dashboard 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 { useCallback, useRef } from \"react\";\n\nfunction composeRefs<T>(...refs: Array<React.Ref<T> | undefined>) {\n  return (node: T | null) => refs.forEach((ref) => { if (typeof ref === \"function\") ref(node); else if (ref) (ref as React.MutableRefObject<T | null>).current = node; });\n}\nfunction HighlightInput({ inputRef }: { inputRef: React.Ref<HTMLInputElement> }) {\n  const localRef = useRef<HTMLInputElement>(null);\n  return <input ref={composeRefs(inputRef, localRef)} onFocus={() => localRef.current?.select()} defaultValue=\"Review note\" className=\"w-full rounded-xl border border-teal-700/80 bg-teal-950 px-3 py-2 text-sm text-teal-50 focus-visible:ring-emerald-200 focus-visible:outline-none focus-visible:ring-2\" />;\n}\nfunction RouteRefCompose6Core() {\n  const parentRef = useRef<HTMLInputElement>(null);\n  const [focused, setFocused] = useState(false);\n  const setFocusState = useCallback((node: HTMLInputElement | null) => setFocused(node === document.activeElement), []);\n  return <div className=\"min-h-screen bg-teal-950 p-6 text-teal-50\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-teal-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-emerald-200\">Service routes</p><h1 className=\"mt-3 text-3xl font-semibold\">Compose a consumer ref with the component's local need.</h1><div className=\"mt-6\"><HighlightInput inputRef={composeRefs(parentRef, setFocusState)} /></div><p className=\"mt-3 text-sm text-teal-200\">Parent ref attached: {parentRef.current ? \"yes\" : \"not yet\"}; callback observed: {focused ? \"focus\" : \"idle\"}.</p></div><RouteRefCompose6Signature /></section></div>;\n}\n\n\nfunction RouteRefCompose6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-teal-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-emerald-300\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-teal-200\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction RouteRefCompose6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-teal-950 text-teal-50\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-teal-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-emerald-200\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-teal-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-teal-200\"><div><dt>Scope</dt><dd className=\"mt-1 text-teal-50\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-teal-50\">Interactive</dd></div></dl></aside><section>{children}<RouteRefCompose6VariantFeature /><RouteRefCompose6VariantAlgorithm /><RouteRefCompose6PatternLens /></section></div></div></main>;\n}\n\nexport function RouteRefCompose6() {\n  return <RouteRefCompose6Page><RouteRefCompose6Core /></RouteRefCompose6Page>;\n}\n\n\nfunction RouteRefCompose6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-emerald-200\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-teal-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-teal-50\">{decision.title}<span className=\"float-right text-emerald-200\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-teal-200\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction RouteRefCompose6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-teal-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-teal-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-emerald-300\" /><time className=\"text-xs text-emerald-200\">{event.at}</time><p className=\"mt-1 text-teal-200\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction RouteRefCompose6PatternLens() {\n  const points = [18, 43, 35, 68, 82];\n  return <figure className=\"mt-4 rounded-2xl bg-teal-800 p-4\"><div className=\"flex items-baseline justify-between\"><figcaption className=\"text-sm font-semibold\">Signal trajectory</figcaption><span className=\"text-xs text-teal-200\">Five checkpoints</span></div><svg viewBox=\"0 0 240 100\" className=\"mt-4 h-24 w-full\" role=\"img\" aria-label=\"Rising workflow signal\"><polyline fill=\"none\" stroke=\"currentColor\" strokeWidth=\"3\" className=\"text-emerald-200\" points={points.map((point, index) => index * 55 + \",\" + (100 - point)).join(\" \")} />{points.map((point, index) => <circle key={index} cx={index * 55} cy={100 - point} r=\"5\" className=\"bg-emerald-300\" />)}</svg></figure>;\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 practice lessons in a language-learning coach app. Refactor this sketch using useSyncExternalStore bridge: function Screen() { return <button>Confirm</button>; }. Show the improved implementation."},{"role":"assistant","content":"This version applies useSyncExternalStore bridge to a real a language-learning coach app 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 { useSyncExternalStore } from \"react\";\n\nfunction createPresenceStore() {\n  let count = 4;\n  const listeners = new Set<() => void>();\n  return { getSnapshot: () => count, subscribe(listener: () => void) { listeners.add(listener); return () => listeners.delete(listener); }, increment() { count += 1; listeners.forEach((listener) => listener()); } };\n}\nconst presence = createPresenceStore();\nfunction PresenceCount() { const count = useSyncExternalStore(presence.subscribe, presence.getSnapshot, presence.getSnapshot); return <p className=\"text-5xl font-semibold\">{count}</p>; }\nfunction LessonExternalStore6Core() {\n  return <div className=\"min-h-screen bg-zinc-950 p-6 text-zinc-100\"><section className=\"mx-auto grid max-w-5xl gap-5 md:grid-cols-[1fr_.7fr]\"><div className=\"rounded-[2rem] bg-zinc-900 p-7 shadow-xl shadow-black/20\"><p className=\"text-xs font-bold uppercase tracking-[0.2em] text-fuchsia-300\">Practice lessons</p><h1 className=\"mt-3 text-3xl font-semibold\">Bridge an external mutable source through React's subscription API.</h1><div className=\"mt-6 rounded-2xl bg-zinc-800 p-5\"><p className=\"text-sm text-zinc-400\">People reviewing now</p><PresenceCount /><button onClick={() => presence.increment()} className=\"mt-4 rounded-xl bg-fuchsia-400 px-4 py-2 text-sm font-bold text-slate-950\">Simulate join</button></div></div><LessonExternalStore6Signature /></section></div>;\n}\n\n\nfunction LessonExternalStore6Signature() {\n  return (\n    <figure className=\"rounded-2xl bg-zinc-800 p-4\">\n      <div className=\"flex h-2 overflow-hidden rounded-full bg-black/20\">\n        <span className=\"w-2/3 bg-fuchsia-400\" />\n      </div>\n      <figcaption className=\"mt-3 text-sm text-zinc-400\">Two-thirds of the workflow has a clear owner.</figcaption>\n    </figure>\n  );\n}\n\n\n\n\nfunction LessonExternalStore6Page({ children }: { children: React.ReactNode }) {\n  return <main className=\"min-h-screen bg-zinc-950 text-zinc-100\"><div className=\"mx-auto max-w-7xl px-6 py-8\"><div className=\"mb-6 flex flex-wrap items-center justify-between gap-4\"><p className=\"rounded-full border border-zinc-700/80 px-3 py-1 text-xs uppercase tracking-[0.18em] text-fuchsia-300\">Compact operations</p><div className=\"h-px flex-1 bg-slate-700/60\" /></div><div className=\"grid gap-6 lg:grid-cols-[.8fr_1.2fr]\"><aside className=\"rounded-[2rem] bg-zinc-800 p-6\"><p className=\"text-sm font-semibold\">Context index</p><dl className=\"mt-6 space-y-4 text-sm text-zinc-400\"><div><dt>Scope</dt><dd className=\"mt-1 text-zinc-100\">Local pattern</dd></div><div><dt>Mode</dt><dd className=\"mt-1 text-zinc-100\">Interactive</dd></div></dl></aside><section>{children}<LessonExternalStore6VariantFeature /><LessonExternalStore6VariantAlgorithm /><LessonExternalStore6PatternLens /></section></div></div></main>;\n}\n\nexport function LessonExternalStore6() {\n  return <LessonExternalStore6Page><LessonExternalStore6Core /></LessonExternalStore6Page>;\n}\n\n\nfunction LessonExternalStore6VariantFeature() {\n  const decisions = [\n    { title: \"Scope\", detail: \"Keep the first release to one clear workflow.\" },\n    { title: \"Owner\", detail: \"Assign an accountable reviewer before it moves.\" },\n    { title: \"Evidence\", detail: \"Attach the artifact that informed the decision.\" },\n  ];\n  return (\n    <section className=\"mt-6\">\n      <p className=\"text-xs font-bold uppercase tracking-[0.18em] text-fuchsia-300\">Variant decision tree</p>\n      <div className=\"mt-4 space-y-2\">{decisions.map((decision, index) => <details key={decision.title} open={index === 0} className=\"group rounded-2xl bg-zinc-800 p-4\"><summary className=\"cursor-pointer list-none font-semibold text-zinc-100\">{decision.title}<span className=\"float-right text-fuchsia-300\">+</span></summary><p className=\"mt-3 text-sm leading-6 text-zinc-400\">{decision.detail}</p></details>)}</div>\n    </section>\n  );\n}\n\n\nfunction LessonExternalStore6VariantAlgorithm() {\n  const events = [{ at: \"09:30\", name: \"Scope approved\" }, { at: \"11:10\", name: \"Owner assigned\" }, { at: \"14:45\", name: \"Evidence attached\" }];\n  return <section className=\"mt-4 rounded-2xl border border-zinc-700/80 p-4\"><p className=\"text-sm font-semibold\">Activity ledger</p><ol className=\"mt-3 space-y-3 border-l border-zinc-700/80 pl-4\">{events.map((event) => <li key={event.at} className=\"relative text-sm\"><span className=\"absolute -left-[1.32rem] top-1 h-2 w-2 rounded-full bg-fuchsia-400\" /><time className=\"text-xs text-fuchsia-300\">{event.at}</time><p className=\"mt-1 text-zinc-400\">{event.name}</p></li>)}</ol></section>;\n}\n\n\nfunction LessonExternalStore6PatternLens() {\n  const [open, setOpen] = useState(false);\n  return <details className=\"mt-4 rounded-2xl bg-zinc-800 p-4\" open={open} onToggle={(event) => setOpen(event.currentTarget.open)}><summary className=\"cursor-pointer text-sm font-semibold text-zinc-100\">Why this boundary matters</summary><p className=\"mt-3 text-sm leading-6 text-zinc-400\">Keep behavior near the decision it serves, while letting the surrounding page stay easy to scan and test.</p><button type=\"button\" className=\"mt-3 text-xs font-bold text-fuchsia-300\" onClick={() => setOpen((value) => !value)}>{open ? \"Collapse note\" : \"Expand note\"}</button></details>;\n}\n```"}]}