Screens

"use client";import { useEffect, useRef, useState, type ReactNode } from "react";import { AnimatePresence, motion, useInView } from "framer-motion";import {  Composer,  type ComposerModel,  type ComposerSkill,} from "@/components/composer";import { Confidence } from "@/components/confidence";import { Context, type ContextPart } from "@/components/context";import { Point, type PointMood } from "@/components/points";import { Cite, Sources, type Source } from "@/components/sources";import { FragmsTheme, type Theme } from "@/components/theme";/** * Chat. A conversation with an assistant, made only of Fragms. Its face * follows what it is doing, the Composer holds models, skills and voice with * a Context ring beside send, and the answer cites its pages and says how * sure it is. It plays a short story the first time it is seen, and any * question you send plays it again. * *   <ChatScreen theme={{ accent: "#ff6a3d" }} /> * * Needs composer, aura, context, points, confidence, sources and theme from * Fragms, React, Framer Motion and Tailwind. */const THEME: Theme = {  accent: "#3d7bff",  glow: ["#3d7bff", "#a23bff", "#ff5fa2", "#ffb020"],};const EASE = [0.22, 1, 0.36, 1] as const;const NAME = "Simmy";const MODELS: ComposerModel[] = [  {    id: "sonnet",    name: "Claude Sonnet",    note: "Fast and careful",    provider: "anthropic",  },  { id: "opus", name: "Claude Opus", provider: "anthropic", tag: "Pro" },  { id: "gpt", name: "GPT", note: "Quick and broad", provider: "openai" },  { id: "gemini", name: "Gemini", provider: "google" },];const SKILLS: ComposerSkill[] = [  { id: "brief", name: "Brief", note: "Short answers" },  { id: "clear", name: "Clear copy", note: "Short, plain words" },  { id: "review", name: "Review", note: "Careful and direct" },];const PAGES: Source[] = [  {    url: "https://developer.apple.com/design/human-interface-guidelines/siri",    site: "Apple",    title: "Siri, Human Interface Guidelines",    snippet:      "Respond the moment someone speaks, keep answers short, and make it clear what was heard before acting on it.",    icon: "https://www.apple.com/favicon.ico",  },  {    url: "https://developer.mozilla.org/en-US/docs/Web/API/Web_Speech_API",    site: "MDN",    title: "Web Speech API",    snippet:      "The browser's own way to turn speech into text as people talk, with results that firm up as it grows more sure.",    icon: "https://developer.mozilla.org/favicon.ico",  },];/** What came before the story starts. */const HISTORY = [  { you: true, text: "Can you help me name my new app?" },  { you: false, text: "Of course. What does it do, and who is it for?" },];const QUESTION =  "A voice assistant for the kitchen. Hands busy, eyes on the pan.";/** The answer, with a page cited after each claim. */const ANSWER: (string | number)[] = [  "Here are four that are short and easy to say across a noisy kitchen. Ladle, Pinch, Sous and Basil",  0,  ". Say each one to a phone before you pick, since speech to text trips on names that sound like other words",  1,  ". Pinch is my favourite, quick to say and hard to mishear.",];const WORDS = ANSWER.flatMap<string | number>((part) =>  typeof part === "number" ? [part] : part.split(/(?<= )/),);// The story, in milliseconds at a pace of 1.const TYPE = 900;const SENT = TYPE + QUESTION.length * 28 + 300;const ANSWERS = SENT + 1100;const WORD = 45;const END = ANSWERS + WORDS.length * WORD;const LENGTH = END + 2400;export function ChatScreen({ theme = THEME }: { theme?: Theme }) {  const box = useRef<HTMLDivElement>(null);  const seen = useInView(box, { once: true, amount: 0.4 });  const [stopped, setStopped] = useState<number | null>(null);  const { ms, seek } = useClock(    LENGTH,    seen && stopped === null,    theme.pace ?? 1,  );  const [asked, setAsked] = useState(QUESTION);  const [draft, setDraft] = useState("");  const now = stopped ?? ms;  const typing = now >= TYPE && now < SENT && asked === QUESTION;  const sent = now >= SENT;  const words = Math.max(    0,    Math.min(WORDS.length, Math.floor((now - ANSWERS) / WORD) + 1),  );  const done = now >= END;  const busy = sent && !done && stopped === null;  const mood: PointMood =    stopped !== null      ? "idle"      : typing        ? "listening"        : !sent          ? "idle"          : now < ANSWERS            ? "thinking"            : !done              ? "talking"              : now < END + 1800                ? "happy"                : "idle";  const parts: ContextPart[] = [    { label: "Instructions", tokens: 1_400 },    { label: "Memory", tokens: 38_000 },    {      label: "Messages",      tokens: 120 + (sent ? asked.length / 4 : 0) + words * 6,    },  ];  return (    <FragmsTheme theme={theme}>      <div ref={box} className="@container flex h-full min-h-0">        <aside className="hidden w-60 shrink-0 flex-col gap-1 border-r border-current/10 p-3 @3xl:flex">          <p className="px-2 pt-1 pb-3 text-sm font-medium">{NAME}</p>          {[            "Kitchen app names",            "A weekend in Porto",            "Why the boiler clicks",            "Birthday ideas for Ema",          ].map((title, i) => (            <p              key={title}              className={`truncate rounded-xl px-2 py-1.5 text-sm ${                i === 0 ? "bg-current/[0.06] font-medium" : "opacity-60"              }`}            >              {title}            </p>          ))}        </aside>        <div className="flex min-w-0 flex-1 flex-col">          <header className="flex h-14 shrink-0 items-center gap-2.5 border-b border-current/10 px-4">            <Point shape="flower" mood={mood} size={26} />            <span className="text-[15px] font-medium">{NAME}</span>            <AnimatePresence mode="wait" initial={false}>              <motion.span                key={busy ? "busy" : "here"}                className="text-xs"                initial={{ opacity: 0, filter: "blur(2px)" }}                animate={{ opacity: 0.5, filter: "blur(0px)" }}                exit={{ opacity: 0, transition: { duration: 0.15 } }}                transition={{ duration: 0.25, ease: EASE }}              >                {busy ? (now < ANSWERS ? "Thinking" : "Writing") : "Here"}              </motion.span>            </AnimatePresence>          </header>          <Thread>            {HISTORY.map((message) => (              <Bubble key={message.text} you={message.you} mood="idle">                {message.text}              </Bubble>            ))}            {sent && (              <Bubble key={`q-${asked}`} you mood="idle">                {asked}              </Bubble>            )}            {sent && now >= ANSWERS && (              <Bubble key={`a-${asked}`} you={false} mood={mood}>                <p className="text-[15px] leading-relaxed">                  {WORDS.slice(0, words).map((word, i) =>                    typeof word === "number" ? (                      <motion.span                        key={i}                        className="mx-0.5 inline-block align-middle"                        initial={{ opacity: 0, scale: 0.8 }}                        animate={{ opacity: 1, scale: 1 }}                        transition={{ duration: 0.25, ease: EASE }}                      >                        <Cite source={PAGES[word]} />                      </motion.span>                    ) : (                      <motion.span                        key={i}                        initial={{ opacity: 0, filter: "blur(3px)" }}                        animate={{ opacity: 1, filter: "blur(0px)" }}                        transition={{ duration: 0.25 }}                      >                        {word}                      </motion.span>                    ),                  )}                  {done && (                    <Confidence                      value={0.62}                      reason={[                        "Short names are easier to say and to hear",                        "Whether the names are free to use is not checked",                      ]}                    />                  )}                </p>                {stopped !== null && (                  <p className="mt-1 text-xs opacity-50">Stopped</p>                )}                {done && (                  <motion.div                    className="mt-3"                    initial={{ opacity: 0, y: 6 }}                    animate={{ opacity: 1, y: 0 }}                    transition={{ duration: 0.25, ease: EASE, delay: 0.2 }}                  >                    <Sources sources={PAGES} />                  </motion.div>                )}              </Bubble>            )}          </Thread>          <div className="mx-auto w-full max-w-[720px] shrink-0 px-3 pb-3">            <Composer              value={                typing                  ? QUESTION.slice(0, Math.floor((now - TYPE) / 28))                  : draft              }              onValueChange={setDraft}              onSubmit={({ text }) => {                setAsked(text || QUESTION);                setDraft("");                setStopped(null);                seek(SENT);              }}              busy={busy}              onStop={() => setStopped(now)}              placeholder={[`Ask ${NAME} anything`, "Name a thing"]}              models={MODELS}              efforts={["Low", "Medium", "High"]}              skills={SKILLS}              voice              tools={<Context parts={parts} limit={128_000} size={20} />}            />          </div>        </div>      </div>    </FragmsTheme>  );}/** The conversation, newest at the bottom, kept in view as it grows. */function Thread({ children }: { children: ReactNode }) {  const scroller = useRef<HTMLDivElement>(null);  const content = useRef<HTMLDivElement>(null);  useEffect(() => {    const element = scroller.current;    const inner = content.current;    if (!element || !inner) return;    const observer = new ResizeObserver(() =>      element.scrollTo({ top: element.scrollHeight, behavior: "smooth" }),    );    observer.observe(inner);    return () => observer.disconnect();  }, []);  return (    <div ref={scroller} className="min-h-0 flex-1 overflow-y-auto">      <div        ref={content}        className="mx-auto flex w-full max-w-[720px] flex-col gap-5 px-4 py-6"      >        {children}      </div>    </div>  );}/** One message. Yours on the right, the assistant's beside its face. */function Bubble({  you,  mood,  children,}: {  you: boolean;  mood: PointMood;  children: ReactNode;}) {  return (    <motion.div      className={you ? "flex justify-end" : "flex gap-2.5"}      initial={{ opacity: 0, y: 10, filter: "blur(3px)" }}      animate={{ opacity: 1, y: 0, filter: "blur(0px)" }}      transition={{ duration: 0.25, ease: EASE }}    >      {you ? (        <p className="max-w-[82%] rounded-[18px] bg-current/[0.06] px-3.5 py-2 text-[15px] leading-relaxed">          {children}        </p>      ) : (        <>          <span className="mt-0.5 shrink-0">            <Point shape="flower" mood={mood} size={24} />          </span>          <div className="min-w-0 flex-1 text-[15px] leading-relaxed">            {children}          </div>        </>      )}    </motion.div>  );}/** * The story's clock, in milliseconds. It runs while playing, at the theme's * pace, stops at the end, and can be moved to any moment. */function useClock(length: number, playing: boolean, pace = 1) {  const [ms, setMs] = useState(0);  const [run, setRun] = useState(0);  const at = useRef(0);  useEffect(() => {    if (!playing) return;    let last = performance.now();    let frame = 0;    const tick = (time: number) => {      at.current = Math.min(length, at.current + (time - last) * pace);      last = time;      // A twentieth of a second is fine enough for any story, and far lighter.      const step = Math.floor(at.current / 50) * 50;      setMs((value) => (value === step ? value : step));      if (at.current < length) frame = requestAnimationFrame(tick);    };    frame = requestAnimationFrame(tick);    return () => cancelAnimationFrame(frame);  }, [length, playing, pace, run]);  const seek = (to: number) => {    at.current = to;    setMs(to);    setRun((value) => value + 1);  };  return { ms, seek };}

"use client";import { useEffect, useRef, useState, type ReactNode } from "react";import { motion, useInView } from "framer-motion";import { Composer } from "@/components/composer";import { Confidence } from "@/components/confidence";import { Plan, type PlanStep } from "@/components/plan";import { Point, type PointMood } from "@/components/points";import { Cite, Sources, type Source } from "@/components/sources";import { FragmsTheme, type Theme } from "@/components/theme";import { Trail } from "@/components/trail";/** * Research. An agent looking into a question, made only of Fragms. It lays * out a plan, reads the web live in a Trail while the plan ticks itself off, * then answers with a citation after each claim, how sure it is, and every * page it read. It plays the first time it is seen, and any question you * send plays it again. * *   <ResearchScreen theme={{ accent: "#12b5b0" }} /> * * Needs composer, aura, plan, points, trail, sources, confidence and theme * from Fragms, React, Framer Motion and Tailwind. */const THEME: Theme = {  accent: "#3d7bff",  glow: ["#3d7bff", "#a23bff", "#ff5fa2", "#ffb020"],};const EASE = [0.22, 1, 0.36, 1] as const;const NAME = "Simmy";const QUESTION = "How should a voice assistant show it is listening?";const PAGES: Source[] = [  {    url: "https://en.wikipedia.org/wiki/Voice_user_interface",    site: "Wikipedia",    title: "Voice user interface",    snippet:      "How people talk to computers and hear them answer, from phone menus to assistants that live in a speaker.",    icon: "https://en.wikipedia.org/static/favicon/wikipedia.ico",  },  {    url: "https://developer.apple.com/design/human-interface-guidelines/siri",    site: "Apple",    title: "Siri, Human Interface Guidelines",    snippet:      "Respond the moment someone speaks, keep answers short, and make it clear what was heard before acting on it.",    icon: "https://www.apple.com/favicon.ico",  },  {    url: "https://developer.mozilla.org/en-US/docs/Web/API/Web_Speech_API",    site: "MDN",    title: "Web Speech API",    snippet:      "The browser's own way to turn speech into text as people talk, with results that firm up as it grows more sure.",    icon: "https://developer.mozilla.org/favicon.ico",  },  {    url: "https://m3.material.io/",    site: "Material Design",    title: "Material Design 3",    snippet:      "Motion should follow what the user does. Feedback that starts at once reads as fast, even while the work goes on.",  },  {    url: "https://www.w3.org/WAI/",    site: "W3C",    title: "Web Accessibility Initiative",    snippet:      "Never rely on motion or colour alone. Pair a listening glow with words that a screen reader can announce.",    icon: "https://www.w3.org/favicon.ico",  },];/** The answer, with the pages behind each claim. */const ANSWER: (string | number[])[] = [  "Answer the moment someone speaks, so they know they were heard",  [1],  ". Show what was heard before acting on it",  [1, 2],  ", and keep the reply short. A glow or a face that moves with the voice says it is listening without a word",  [3],  ", but pair it with words a screen reader can announce",  [4],  ".",];const WORDS = ANSWER.flatMap<string | number[]>((part) =>  typeof part === "string" ? part.split(/(?<= )/) : [part],);// The story, in milliseconds at a pace of 1.const SEARCH = 600;const READ = 1600;const PAGE = 900;const COMPARE = READ + PAGES.length * PAGE;const WRITE = COMPARE + 1200;const WORD = 46;const END = WRITE + 400 + WORDS.length * WORD;const LENGTH = END + 2400;/** The plan as it stands at a moment in the story. */function planAt(ms: number, reading: Source | undefined): PlanStep[] {  const steps = [    {      title: "Search the web",      detail: "Looking for guidance on voice",      at: SEARCH,    },    {      title: "Read what designers say",      detail: reading ? `Reading ${reading.site}` : undefined,      at: READ,    },    {      title: "Compare what they agree on",      detail: "Five pages, three ideas",      at: COMPARE,    },    { title: "Write the answer", detail: "A source for each claim", at: WRITE },  ];  return steps    .filter((_, i) => ms >= SEARCH + i * 220)    .map(({ at, ...step }, i) => {      const next = steps[i + 1]?.at ?? END;      return {        ...step,        status: ms >= next ? "done" : ms >= at ? "active" : "pending",      };    });}export function ResearchScreen({ theme = THEME }: { theme?: Theme }) {  const box = useRef<HTMLDivElement>(null);  const seen = useInView(box, { once: true, amount: 0.4 });  const [stopped, setStopped] = useState(false);  const { ms, seek } = useClock(LENGTH, seen && !stopped, theme.pace ?? 1);  const [asked, setAsked] = useState(QUESTION);  const read = Math.max(    0,    Math.min(PAGES.length, Math.floor((ms - READ) / PAGE) + 1),  );  const reading = ms >= READ && ms < COMPARE;  const words = Math.max(    0,    Math.min(WORDS.length, Math.floor((ms - WRITE - 400) / WORD) + 1),  );  const done = ms >= END;  const steps = planAt(ms, reading ? PAGES[read - 1] : undefined);  const mood: PointMood =    stopped && !done      ? "idle"      : ms < READ      ? "thinking"      : reading        ? "reading"        : ms < WRITE          ? "thinking"          : !done            ? "talking"            : ms < END + 1800              ? "happy"              : "idle";  const plan = <Plan title="Researching" steps={steps} fold={0} />;  return (    <FragmsTheme theme={theme}>      <div ref={box} className="@container flex h-full min-h-0 flex-col">        <header className="flex h-14 shrink-0 items-center gap-2.5 border-b border-current/10 px-4">          <Point shape="sunny" mood={mood} size={26} />          <span className="text-[15px] font-medium">{NAME}</span>          <span className="text-xs opacity-50">            {done || stopped ? "Research" : "Researching"}          </span>        </header>        <div className="flex min-h-0 flex-1">          <div className="flex min-w-0 flex-1 flex-col">            <div className="min-h-0 flex-1 overflow-y-auto">              <div className="mx-auto flex w-full max-w-[680px] flex-col gap-5 px-4 py-6">                <Enter key={`q-${asked}`}>                  <h2 className="text-xl leading-snug font-medium tracking-[-0.01em]">                    {asked}                  </h2>                </Enter>                {/* On a narrow screen the plan sits in the answer */}                {ms >= SEARCH && <Enter className="@4xl:hidden">{plan}</Enter>}                {ms >= SEARCH + 400 && (                  <Enter>                    <Trail                      pages={PAGES.slice(0, read)}                      busy={ms < COMPARE && !stopped}                    />                  </Enter>                )}                {words > 0 && (                  <Enter>                    <p className="text-[15px] leading-relaxed">                      {WORDS.slice(0, words).map((word, i) =>                        typeof word === "string" ? (                          <motion.span                            key={i}                            initial={{ opacity: 0, filter: "blur(3px)" }}                            animate={{ opacity: 1, filter: "blur(0px)" }}                            transition={{ duration: 0.25 }}                          >                            {word}                          </motion.span>                        ) : (                          <motion.span                            key={i}                            className="mx-0.5 inline-block align-middle"                            initial={{ opacity: 0, scale: 0.8 }}                            animate={{ opacity: 1, scale: 1 }}                            transition={{ duration: 0.25, ease: EASE }}                          >                            <Cite source={word.map((n) => PAGES[n])} />                          </motion.span>                        ),                      )}                      {done && (                        <Confidence                          value={0.82}                          reason={[                            "Five pages agree on answering at once",                            "Fewer say how long a reply should be",                          ]}                        />                      )}                    </p>                  </Enter>                )}                {done && (                  <Enter delay={0.2}>                    <Sources sources={PAGES} />                  </Enter>                )}              </div>            </div>            <div className="mx-auto w-full max-w-[680px] shrink-0 px-3 pb-3">              <Composer                layout="inline"                size="small"                busy={!done && !stopped}                onStop={() => setStopped(true)}                onSubmit={({ text }) => {                  setAsked(text || QUESTION);                  setStopped(false);                  seek(0);                }}                placeholder="Ask a follow up"                voice              />            </div>          </div>          <aside className="hidden w-[300px] shrink-0 border-l border-current/10 p-4 @4xl:block">            {ms >= SEARCH ? (              <Enter>{plan}</Enter>            ) : (              <p className="px-1 text-sm opacity-50">Making a plan</p>            )}          </aside>        </div>      </div>    </FragmsTheme>  );}/** Comes in with a small rise and blur, the way every part here arrives. */function Enter({  delay = 0,  className,  children,}: {  delay?: number;  className?: string;  children: ReactNode;}) {  return (    <motion.div      className={className}      initial={{ opacity: 0, y: 8, filter: "blur(3px)" }}      animate={{ opacity: 1, y: 0, filter: "blur(0px)" }}      transition={{ duration: 0.25, ease: EASE, delay }}    >      {children}    </motion.div>  );}/** * The story's clock, in milliseconds. It runs while playing, at the theme's * pace, stops at the end, and can be moved to any moment. */function useClock(length: number, playing: boolean, pace = 1) {  const [ms, setMs] = useState(0);  const [run, setRun] = useState(0);  const at = useRef(0);  useEffect(() => {    if (!playing) return;    let last = performance.now();    let frame = 0;    const tick = (time: number) => {      at.current = Math.min(length, at.current + (time - last) * pace);      last = time;      // A twentieth of a second is fine enough for any story, and far lighter.      const step = Math.floor(at.current / 50) * 50;      setMs((value) => (value === step ? value : step));      if (at.current < length) frame = requestAnimationFrame(tick);    };    frame = requestAnimationFrame(tick);    return () => cancelAnimationFrame(frame);  }, [length, playing, pace, run]);  const seek = (to: number) => {    at.current = to;    setMs(to);    setRun((value) => value + 1);  };  return { ms, seek };}

"use client";import { useEffect, useRef, useState, type ReactNode } from "react";import { AnimatePresence, motion, useInView } from "framer-motion";import { Approve, type ApproveStatus } from "@/components/approve";import { Diff } from "@/components/diff";import { Plan, type PlanStep } from "@/components/plan";import { Point, type PointMood } from "@/components/points";import { FragmsTheme, type Theme } from "@/components/theme";/** * Coding. An agent changing code, made only of Fragms. Its plan ticks itself * off as it reads and patches, the change waits in a Diff to be reviewed part * by part, and it asks with Approve before it runs anything. It plays the * first time it is seen, and stops to wait for your hold before the tests. * *   <CodingScreen theme={{ accent: "#8b5cf6" }} /> * * Needs approve, diff, plan, points and theme from Fragms, React, Framer * Motion and Tailwind. */const THEME: Theme = {  accent: "#3d7bff",  glow: ["#3d7bff", "#a23bff", "#ff5fa2", "#ffb020"],};const EASE = [0.22, 1, 0.36, 1] as const;const NAME = "Simmy";const FILE = "src/auth/session.ts";const TASK =  "People keep getting logged out after a few minutes. Can you fix it?";const BEFORE = `let isRefreshing = false;export async function refresh(token: Token) {  if (isRefreshing) return token;  if (token.expiresAt > Date.now()) return token;  isRefreshing = true;  const next = await api.refresh(token.refreshToken);  isRefreshing = false;  return next;}`;const AFTER = `let isRefreshing = false;export async function refresh(token: Token) {  if (isRefreshing) return token;  if (token.expiresAt * 1000 > Date.now()) return token;  isRefreshing = true;  try {    return await api.refresh(token.refreshToken);  } finally {    isRefreshing = false;  }}`;const TESTS = [  "keeps a token that is still fresh",  "refreshes a token once it expires",  "shares one refresh between two calls",];const SUMMARY =  "Done. The refresh compared seconds with milliseconds, so every token looked expired, and a failed refresh left it stuck. Look over the change and accept it to save.";// The story, in milliseconds at a pace of 1.const PLAN = 600;const READ = 1400;const FIND = 3000;const PATCH = 4600;const DIFF = 5600;const TEST = 6800;/** Where the story waits until someone approves the tests. */const ASK = 7400;const PASS = ASK + 1800;const EXPLAIN = PASS + 600;const WORD = 45;const END = EXPLAIN + 600 + SUMMARY.split(" ").length * WORD;const LENGTH = END + 2400;/** How long it waits for a hold before going ahead on its own, in the demo. */const PATIENCE = 6000;const STEPS = [  {    title: "Read the auth flow",    detail: "Reading src/auth/session.ts",    at: READ,  },  {    title: "Find why sessions expire",    detail: "Comparing token and server time",    at: FIND,  },  { title: "Patch the refresh", detail: "Editing refresh()", at: PATCH },  { title: "Run the tests", detail: "npm test auth", at: TEST },  { title: "Explain the fix", detail: "Writing a short summary", at: EXPLAIN },];/** The plan as it stands at a moment in the story. */function planAt(ms: number): PlanStep[] {  return STEPS.filter((_, i) => ms >= PLAN + i * 260).map(    ({ at, ...step }, i) => {      const next = STEPS[i + 1]?.at ?? END;      return {        ...step,        status: ms >= next ? "done" : ms >= at ? "active" : "pending",      };    },  );}export function CodingScreen({ theme = THEME }: { theme?: Theme }) {  const box = useRef<HTMLDivElement>(null);  const seen = useInView(box, { once: true, amount: 0.4 });  const pace = theme.pace ?? 1;  const [approved, setApproved] = useState(false);  const [auto, setAuto] = useState<ApproveStatus>();  const [saved, setSaved] = useState<string | null>(null);  const { ms } = useClock(LENGTH, seen, pace, approved ? LENGTH : ASK);  // Nobody may be there to hold it in a demo, so after a while it goes  // ahead as if they had. In your app, leave this out and wait.  const waiting = ms >= ASK && !approved;  useEffect(() => {    if (!waiting) return;    const timer = setTimeout(() => {      setAuto("running");      setApproved(true);    }, PATIENCE);    return () => clearTimeout(timer);  }, [waiting]);  useEffect(() => {    if (auto !== "running") return;    const timer = setTimeout(() => setAuto("done"), 1500 / pace);    return () => clearTimeout(timer);  }, [auto, pace]);  const words = SUMMARY.split(" ");  const said = Math.max(    0,    Math.min(words.length, Math.floor((ms - EXPLAIN - 600) / WORD) + 1),  );  const passed = Math.max(    0,    Math.min(TESTS.length, Math.floor((ms - ASK - 300) / 450) + 1),  );  const done = ms >= END;  const mood: PointMood =    ms < READ      ? "thinking"      : ms < FIND        ? "reading"        : ms < PATCH          ? "thinking"          : ms < TEST            ? "talking"            : waiting              ? "curious"              : ms < EXPLAIN                ? "thinking"                : !done                  ? "talking"                  : ms < END + 1800                    ? "happy"                    : "idle";  return (    <FragmsTheme theme={theme}>      <div ref={box} className="@container flex h-full min-h-0 flex-col">        <header className="flex h-14 shrink-0 items-center gap-2.5 border-b border-current/10 px-4">          <Point shape="squircle" mood={mood} size={26} />          <span className="text-[15px] font-medium">{NAME}</span>          <span className="text-xs opacity-50">            {waiting ? "Waiting for you" : done ? "Done" : "Working"}          </span>          <span className="ml-auto truncate rounded-full bg-current/[0.06] px-2.5 py-1 font-mono text-xs opacity-70">            fix-logouts          </span>        </header>        <div className="flex min-h-0 flex-1 flex-col overflow-y-auto @3xl:flex-row @3xl:overflow-hidden">          {/* The conversation, with the plan and what it asks */}          <div className="flex shrink-0 flex-col gap-4 p-4 @3xl:w-[380px] @3xl:overflow-y-auto @3xl:border-r @3xl:border-current/10">            <Enter>              <p className="ml-auto max-w-[88%] rounded-[18px] bg-current/[0.06] px-3.5 py-2 text-[15px] leading-relaxed">                {TASK}              </p>            </Enter>            {ms >= PLAN && (              <Enter className="flex gap-2.5">                <span className="mt-0.5 shrink-0">                  <Point shape="squircle" mood={mood} size={24} />                </span>                <p className="text-[15px] leading-relaxed">                  On it. Here is how I will find out why.                </p>              </Enter>            )}            {ms >= PLAN && (              <Enter>                <Plan title="Fixing the logouts" steps={planAt(ms)} fold={3} />              </Enter>            )}            {ms >= TEST && (              <Enter>                <Approve                  agent={NAME}                  action="Run the auth tests"                  details={[                    "Runs npm test auth in your terminal",                    "Reads the code, writes nothing",                  ]}                  undo="Changes no files"                  status={auto}                  onApprove={() => {                    setApproved(true);                    return new Promise((ok) => setTimeout(ok, 1500 / pace));                  }}                />              </Enter>            )}            {approved && ms > ASK && (              <Enter>                <div className="rounded-2xl bg-current/[0.05] px-4 py-3 font-mono text-[12.5px] leading-relaxed">                  <p className="opacity-50">npm test auth</p>                  {TESTS.slice(0, passed).map((test) => (                    <motion.p                      key={test}                      initial={{ opacity: 0, filter: "blur(2px)" }}                      animate={{ opacity: 1, filter: "blur(0px)" }}                      transition={{ duration: 0.25 }}                    >                      <span style={{ color: "#22b573" }}>✓</span> {test}                    </motion.p>                  ))}                  {ms >= PASS && <p className="mt-1 opacity-70">3 passed</p>}                </div>              </Enter>            )}            {said > 0 && (              <Enter className="flex gap-2.5">                <span className="mt-0.5 shrink-0">                  <Point shape="squircle" mood={mood} size={24} />                </span>                <p className="text-[15px] leading-relaxed">                  {words.slice(0, said).map((word, i) => (                    <motion.span                      key={i}                      initial={{ opacity: 0, filter: "blur(3px)" }}                      animate={{ opacity: 1, filter: "blur(0px)" }}                      transition={{ duration: 0.25 }}                    >                      {word}{" "}                    </motion.span>                  ))}                </p>              </Enter>            )}            <AnimatePresence>              {saved && (                <motion.p                  key={saved}                  className="text-sm opacity-60"                  initial={{ opacity: 0, y: 6 }}                  animate={{ opacity: 0.6, y: 0 }}                  exit={{ opacity: 0, transition: { duration: 0.15 } }}                  transition={{ duration: 0.25, ease: EASE }}                >                  {saved}                </motion.p>              )}            </AnimatePresence>          </div>          {/* The file, read as it is, then the change to review */}          <div className="flex min-w-0 flex-1 flex-col gap-3 p-4 @3xl:overflow-y-auto">            <AnimatePresence mode="wait" initial={false}>              {ms < DIFF ? (                <motion.div                  key="file"                  className="rounded-2xl bg-current/[0.04] p-4"                  initial={{ opacity: 0 }}                  animate={{ opacity: ms >= READ ? 1 : 0.6 }}                  exit={{                    opacity: 0,                    filter: "blur(3px)",                    transition: { duration: 0.15 },                  }}                  transition={{ duration: 0.25, ease: EASE }}                >                  <p className="font-mono text-xs opacity-60">{FILE}</p>                  <pre className="mt-3 overflow-x-auto font-mono text-[12.5px] leading-relaxed opacity-85">                    {BEFORE}                  </pre>                </motion.div>              ) : (                <motion.div                  key="diff"                  initial={{ opacity: 0, y: 8, filter: "blur(3px)" }}                  animate={{ opacity: 1, y: 0, filter: "blur(0px)" }}                  transition={{ duration: 0.25, ease: EASE }}                >                  <Diff                    file={FILE}                    before={BEFORE}                    after={AFTER}                    onChange={() => setSaved(null)}                    onResolve={(merged, decisions) =>                      setSaved(                        decisions.includes("accepted")                          ? `Saved ${FILE}, ${merged.split("\n").length} lines.`                          : `Kept ${FILE} as it was.`,                      )                    }                  />                </motion.div>              )}            </AnimatePresence>          </div>        </div>      </div>    </FragmsTheme>  );}/** Comes in with a small rise and blur, the way every part here arrives. */function Enter({  className,  children,}: {  className?: string;  children: ReactNode;}) {  return (    <motion.div      className={className}      initial={{ opacity: 0, y: 8, filter: "blur(3px)" }}      animate={{ opacity: 1, y: 0, filter: "blur(0px)" }}      transition={{ duration: 0.25, ease: EASE }}    >      {children}    </motion.div>  );}/** * The story's clock, in milliseconds. It runs while playing, at the theme's * pace, and never passes until, so a story can wait on someone. */function useClock(length: number, playing: boolean, pace = 1, until = length) {  const [ms, setMs] = useState(0);  const at = useRef(0);  useEffect(() => {    if (!playing) return;    const stop = Math.min(length, until);    let last = performance.now();    let frame = 0;    const tick = (time: number) => {      at.current = Math.min(stop, at.current + (time - last) * pace);      last = time;      // A twentieth of a second is fine enough for any story, and far lighter.      const step = Math.floor(at.current / 50) * 50;      setMs((value) => (value === step ? value : step));      if (at.current < stop) frame = requestAnimationFrame(tick);    };    frame = requestAnimationFrame(tick);    return () => cancelAnimationFrame(frame);  }, [length, playing, pace, until]);  return { ms };}