Agent actions

'use client'import { useCallback, useEffect, useMemo, useRef, useState } from 'react'import { MdRenderer } from './_shared/md-renderer'/** * A fancy "agent pipeline" visualiser. Pick a scenario; each step animates * from pending → running → complete with icon, duration, and a result preview. * A final streamed markdown report lands at the bottom. No network — everything * is scripted so the demo stays snappy and deterministic. */type StepStatus = 'pending' | 'running' | 'complete' | 'error'type StepDef = {  name: string  icon: string  summary: string  ms: number  preview: string}type Scenario = {  id: string  label: string  tagline: string  goal: string  steps: StepDef[]  report: string}const SCENARIOS: Scenario[] = [  {    id: 'launch',    label: 'Plan a launch',    tagline: 'Research → positioning → draft',    goal: 'Plan the AgentsKit 2.0 launch',    steps: [      {        name: 'market.research',        icon: '🔭',        summary: 'Scanned competitors and baseline demand',        ms: 620,        preview: '8 competitors · 3 price tiers · 2 market gaps',      },      {        name: 'audience.segment',        icon: '🎯',        summary: 'Identified 3 launch audiences',        ms: 480,        preview: 'indie-hackers · platform-teams · AI-first-startups',      },      {        name: 'positioning.write',        icon: '✍️',        summary: 'Produced a 1-sentence positioning',        ms: 540,        preview: '"The agent toolkit JavaScript deserves."',      },      {        name: 'assets.generate',        icon: '🖼️',        summary: 'Drafted hero + 3 bullets + OG image copy',        ms: 720,        preview: 'hero.md · bullets.md · og.txt',      },    ],    report: `### Launch plan — AgentsKit 2.0**Positioning.** *The agent toolkit JavaScript deserves.***Audiences.**- Indie hackers shipping fast- Platform teams standardising internal AI UX- AI-first startups swapping providers weekly**Top assets.**1. Hero paragraph (142 words, confident tone)2. Three killer bullets — shared stack, tool-first streaming, 19 providers3. OG image copy ready for /api/og\`\`\`tsawait publish('blog/agentskit-2-0.mdx', { status: 'scheduled' })\`\`\``,  },  {    id: 'triage',    label: 'Ship a fix',    tagline: 'Diff → patch → PR',    goal: 'Fix the reported streaming race condition',    steps: [      {        name: 'logs.search',        icon: '🪵',        summary: 'Correlated 3 error events in Sentry',        ms: 420,        preview: 'issue #AK-204 · 18 users · last 2h',      },      {        name: 'code.locate',        icon: '🔍',        summary: 'Traced the offending read path',        ms: 540,        preview: 'packages/core/src/controller.ts:412',      },      {        name: 'patch.write',        icon: '🧰',        summary: 'Proposed a minimal diff',        ms: 620,        preview: '-3 / +6 lines',      },      {        name: 'tests.run',        icon: '✅',        summary: 'Unit + integration suites green',        ms: 880,        preview: '412 tests · 0 failed · 1.2s',      },      {        name: 'pr.open',        icon: '🚀',        summary: 'Opened draft PR #512',        ms: 360,        preview: 'fix(core): guard abort during flush',      },    ],    report: `### PR ready**Branch.** \`fix/stream-abort-guard\` · **Draft PR #512****Diff summary.**\`\`\`diff- if (abortController.signal.aborted) return+ if (abortController.signal.aborted) {+   emitter.emit({ type: 'done' })+   return+ }\`\`\`- All 412 tests green in 1.2s- No public API change- Ships behind the existing \`streaming\` capability flagReady for a human review.`,  },  {    id: 'research',    label: 'Research a topic',    tagline: 'Search → read → synthesise',    goal: 'Compare TypeScript runtime type systems',    steps: [      {        name: 'web.search',        icon: '🌐',        summary: 'Pulled 12 high-signal sources',        ms: 560,        preview: 'zod · valibot · arktype · typebox · effect-schema',      },      {        name: 'pages.read',        icon: '📚',        summary: 'Ingested 48k tokens of docs',        ms: 780,        preview: '12 pages · 48,214 tokens',      },      {        name: 'facts.extract',        icon: '🧠',        summary: 'Structured 37 comparable data points',        ms: 640,        preview: 'bundle size · perf · ecosystem',      },      {        name: 'report.compose',        icon: '📝',        summary: 'Drafted a side-by-side summary',        ms: 580,        preview: '720 words · 1 table · 3 recommendations',      },    ],    report: `### TS runtime schemas — quick compare| Lib | Bundle (min) | Inference quality | Ecosystem || --- | --- | --- | --- || zod | ~12kb | great | massive || valibot | ~2kb | great | growing || arktype | ~5kb | excellent | small || typebox | ~3kb | good | tight || effect-schema | ~30kb | excellent | effect-world |**Recommendation.**1. **Default to zod** when you want breadth + docs2. **Reach for valibot** for bundle-sensitive apps (landing pages, edge functions)3. **Prototype with arktype** when you need Typescript-flavoured DSL ergonomics> For AgentsKit's docs we keep using *zod* — the breadth wins over 8 extra kb.`,  },]export function AgentActions() {  const [scenarioId, setScenarioId] = useState<string>(SCENARIOS[0].id)  const scenario = SCENARIOS.find((s) => s.id === scenarioId) ?? SCENARIOS[0]  const [statuses, setStatuses] = useState<StepStatus[]>(() =>    scenario.steps.map(() => 'pending'),  )  const [durations, setDurations] = useState<(number | null)[]>(() =>    scenario.steps.map(() => null),  )  const [report, setReport] = useState('')  const [running, setRunning] = useState(false)  const cancelRef = useRef(false)  const reset = useCallback(() => {    cancelRef.current = true    setStatuses(scenario.steps.map(() => 'pending'))    setDurations(scenario.steps.map(() => null))    setReport('')    setRunning(false)  }, [scenario])  // Reset when scenario changes.  useEffect(() => {    reset()  }, [scenarioId, reset])  const run = useCallback(async () => {    if (running) return    cancelRef.current = false    setRunning(true)    setReport('')    setStatuses(scenario.steps.map(() => 'pending'))    setDurations(scenario.steps.map(() => null))    for (let i = 0; i < scenario.steps.length; i++) {      if (cancelRef.current) break      setStatuses((prev) => prev.map((s, j) => (j === i ? 'running' : s)))      const startedAt = performance.now()      await sleep(scenario.steps[i].ms)      if (cancelRef.current) break      setDurations((prev) => prev.map((d, j) => (j === i ? Math.round(performance.now() - startedAt) : d)))      setStatuses((prev) => prev.map((s, j) => (j === i ? 'complete' : s)))      await sleep(150)    }    if (!cancelRef.current) {      const text = scenario.report      for (let i = 1; i <= text.length; i++) {        if (cancelRef.current) break        setReport(text.slice(0, i))        await sleep(6)      }    }    setRunning(false)  }, [scenario, running])  const stop = useCallback(() => {    cancelRef.current = true    setRunning(false)  }, [])  const progress = useMemo(() => {    const done = statuses.filter((s) => s === 'complete').length    return (done / scenario.steps.length) * 100  }, [statuses, scenario])  return (    <div      data-ak-example      className="flex h-[620px] flex-col overflow-hidden rounded-xl border border-ak-border bg-ak-surface"    >      <header className="border-b border-ak-border px-4 py-3">        <div className="flex flex-wrap items-center justify-between gap-3">          <div>            <div className="font-mono text-[10px] uppercase tracking-widest text-ak-graphite">              Agent pipeline            </div>            <div className="mt-0.5 font-display text-sm font-semibold text-ak-foam">              {scenario.goal}            </div>          </div>          <div className="flex flex-wrap gap-1">            {SCENARIOS.map((s) => (              <button                key={s.id}                type="button"                onClick={() => setScenarioId(s.id)}                className={`rounded-full border px-3 py-1 font-mono text-xs transition ${                  s.id === scenario.id                    ? 'border-ak-foam bg-ak-foam/15 text-ak-foam'                    : 'border-ak-border text-ak-graphite hover:text-ak-foam'                }`}              >                {s.label}              </button>            ))}          </div>        </div>        <div className="mt-3 flex items-center gap-3">          <div className="relative h-1 flex-1 overflow-hidden rounded-full bg-ak-midnight/40">            <div              className="absolute inset-y-0 left-0 rounded-full bg-gradient-to-r from-ak-blue via-ak-foam to-ak-green transition-[width] duration-300"              style={{ width: `${progress}%` }}            />          </div>          <span className="font-mono text-[10px] uppercase tracking-widest text-ak-graphite">            {scenario.tagline}          </span>          {running ? (            <button              type="button"              onClick={stop}              className="rounded border border-ak-red/40 px-2 py-1 font-mono text-[10px] uppercase tracking-widest text-ak-red hover:bg-ak-red/10"            >              Stop            </button>          ) : (            <button              type="button"              onClick={run}              className="rounded bg-ak-foam px-3 py-1 font-mono text-[10px] uppercase tracking-widest text-ak-midnight hover:bg-ak-foam/90"            >              {progress >= 100 ? 'Re-run' : 'Run'}            </button>          )}        </div>      </header>      <div className="grid flex-1 grid-cols-1 gap-4 overflow-auto p-4 md:grid-cols-[1.1fr_1fr]">        <ol className="flex flex-col gap-2">          {scenario.steps.map((step, i) => (            <StepCard              key={step.name}              step={step}              status={statuses[i]}              durationMs={durations[i]}            />          ))}        </ol>        <div className="flex min-h-0 flex-col overflow-hidden rounded-lg border border-ak-border bg-ak-midnight/40">          <div className="flex items-center justify-between border-b border-ak-border px-3 py-2 font-mono text-[10px] uppercase tracking-widest text-ak-graphite">            <span>Report</span>            <span>{report.length}c</span>          </div>          <div className="flex-1 overflow-auto p-3 text-sm">            {report ? (              <MdRenderer content={report} />            ) : (              <div className="flex h-full items-center justify-center text-center font-mono text-[11px] text-ak-graphite">                Report streams here once the pipeline finishes.              </div>            )}          </div>        </div>      </div>    </div>  )}function StepCard({  step,  status,  durationMs,}: {  step: StepDef  status: StepStatus  durationMs: number | null}) {  const running = status === 'running'  const done = status === 'complete'  return (    <li      className={`flex items-start gap-3 rounded-lg border p-3 transition ${        running          ? 'border-ak-blue/40 bg-ak-blue/5'          : done          ? 'border-ak-green/30 bg-ak-green/5'          : 'border-ak-border bg-ak-midnight/20'      }`}    >      <div        className={`flex h-9 w-9 shrink-0 items-center justify-center rounded-md text-lg ${          running            ? 'bg-ak-blue/15'            : done            ? 'bg-ak-green/15'            : 'bg-ak-midnight/40'        }`}      >        {running ? <Spinner /> : done ? '✓' : step.icon}      </div>      <div className="min-w-0 flex-1">        <div className="flex items-center justify-between gap-2">          <span className="font-mono text-[12px] text-ak-foam">{step.name}</span>          <span className="font-mono text-[10px] text-ak-graphite">            {durationMs != null ? `${durationMs}ms` : running ? '…' : ''}          </span>        </div>        <div className="mt-0.5 text-xs text-ak-graphite">{step.summary}</div>        {done || running ? (          <div className="mt-1.5 rounded border border-ak-border/80 bg-ak-midnight/60 px-2 py-1 font-mono text-[10px] text-ak-foam">            {step.preview}          </div>        ) : null}      </div>    </li>  )}function Spinner() {  return (    <span className="inline-block h-4 w-4 animate-spin rounded-full border-2 border-ak-blue border-t-transparent" />  )}function sleep(ms: number) {  return new Promise<void>((r) => setTimeout(r, ms))}

'use client'import ReactMarkdown from 'react-markdown'import remarkGfm from 'remark-gfm'import { DynamicCodeBlock } from 'fumadocs-ui/components/dynamic-codeblock'/** * Markdown renderer used across showcase examples. * react-markdown + remark-gfm handles tables, task lists, strikethrough, etc. * Fenced code blocks are rendered by fumadocs' DynamicCodeBlock for shiki * syntax highlighting consistent with the rest of the docs. */export function MdRenderer({ content }: { content: string }) {  return (    <div data-ak-md className="ak-md space-y-2 text-sm text-ak-foam">      <ReactMarkdown        remarkPlugins={[remarkGfm]}        components={{          code({ className, children }) {            const text = String(children ?? '').replace(/\n$/, '')            const match = /language-(\w+)/.exec(className ?? '')            // react-markdown v9 dropped the `inline` flag. Treat anything            // without a `language-*` class (and no newline) as inline.            if (!match && !text.includes('\n')) {              return (                <code className="rounded bg-ak-midnight px-1 py-0.5 font-mono text-[0.85em] text-ak-blue">                  {text}                </code>              )            }            return <DynamicCodeBlock lang={match?.[1] ?? 'text'} code={text} />          },          pre({ children }) {            // Block <code> is rendered directly by the `code` component above.            // Returning the children raw avoids nesting <div> (DynamicCodeBlock)            // inside <pre> or the surrounding <p>.            return <>{children}</>          },          a({ href, children }) {            return (              <a href={href} target="_blank" rel="noreferrer" className="text-ak-blue underline">                {children}              </a>            )          },          table({ children }) {            return (              <div className="my-2 overflow-x-auto">                <table className="w-full border-collapse text-left text-xs">{children}</table>              </div>            )          },          thead({ children }) {            return <thead className="bg-ak-midnight/60 text-ak-foam">{children}</thead>          },          th({ children }) {            return <th className="border-b border-ak-border px-3 py-2 font-semibold">{children}</th>          },          td({ children }) {            return <td className="border-b border-ak-border px-3 py-2 align-top">{children}</td>          },          blockquote({ children }) {            return (              <blockquote className="border-l-2 border-ak-border pl-3 text-ak-graphite">                {children}              </blockquote>            )          },          ul({ children }) {            return <ul className="my-1 list-disc space-y-1 pl-5">{children}</ul>          },          ol({ children }) {            return <ol className="my-1 list-decimal space-y-1 pl-5">{children}</ol>          },          h1({ children }) {            return <h2 className="mt-2 font-display text-lg font-semibold text-ak-foam">{children}</h2>          },          h2({ children }) {            return <h3 className="mt-2 font-display text-base font-semibold text-ak-foam">{children}</h3>          },          h3({ children }) {            return <h4 className="mt-1 font-display text-sm font-semibold text-ak-foam">{children}</h4>          },          p({ children }) {            // Render every paragraph as a div to avoid invalid nesting when            // fenced code blocks (rendered as <figure>/<div> via DynamicCodeBlock)            // land inside a <p> because of react-markdown's default wrapping.            return <div className="leading-relaxed">{children}</div>          },        }}      >        {content}      </ReactMarkdown>    </div>  )}