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} from "react" import { AnimatePresence, motion, useReducedMotion } from "motion/react" import { cn } from "@/lib/utils" import { LiveToggle } from "@/components/ui/live-toggle" import { usePointed } from "@/components/ui/use-pointed" /* Trade Tape, rebuilt through the ssych-component skill (2026-09-29). What changed against the version before it (in git history), and why: · no card, outline or inner shadow: the tape sits on the page. `flush` stays as a prop and now only lifts the width cap, since there is no card left to drop · the clock is a fixed session clock that steps with each print, so two mounts print the same times (it read the wall clock before) · sentence case: the symbol, the column heads and the block mark are no longer set in capitals or letter-spaced · pointing at a print keeps it full and dims the rest · the tape names itself to a screen reader, every figure is tabular 2026-10-02 audit: his call reversed the hover. The tape rests on its seeded prints and streams only while the pointer is on it (usePointed); it used to stream from mount and pause on hover. The text Pause button and the "Paused, 3 waiting" word that changed width became one IconToggle at a fixed width, the same as Tape Flow's: a pulsing green dot reading "Live", a filled play mark reading "Play"; it pins the feed on, or pauses it while the pointer stays. No prints queue any more, since a stopped feed prints nothing. The "Trade tape" title is gone (the name is in the aria-label) and the symbol reads 12px /90; heads are 10.5px /45, the time /45, the block mark 9.5px. The width is 440, shared with Tape Flow, its family. 2026-10-02 round 2: his note on the Live control, no green dot. The toggle is the shared LiveToggle (live-toggle.tsx), the same as Tape Flow's, in ink without a dot, its look picked by the LiveToggleVariant around it; it pins and pauses the feed as before. Formulas: · a print's price = the price before × (1 ± r × 0.035%), up on a buy, down on a sell · block a print of 10 × the median size (120) or more · edge bar opacity 25% + size ÷ (6 × median), at most 100% */ const EASE = [0.16, 1, 0.3, 1] as const const GREEN = "var(--chart-up)" const RED = "var(--chart-down)" type Print = { id: number; t: string; price: number; size: number; side: "buy" | "sell"; block: boolean } const MAX_ROWS = 12 const MEDIAN = 120 /** the session clock the first print is stamped with, in seconds: 14:30:00 */ const CLOCK_START = 14 * 3600 + 30 * 60 function mulberry32(seed: number) { return () => { seed |= 0 seed = (seed + 0x6d2b79f5) | 0 let t = Math.imul(seed ^ (seed >>> 15), 1 | seed) t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t return ((t ^ (t >>> 14)) >>> 0) / 4294967296 } } const two = (n: number) => String(n).padStart(2, "0") const stamp = (sec: number) => { const s = sec % 86400 return `${two(Math.floor(s / 3600))}:${two(Math.floor((s % 3600) / 60))}:${two(s % 60)}` } /** a print from the host's own feed (2026-10-06): time in ms since epoch, newest first */ export type TapePrint = { id: number | string; time: number; price: number; size: number; side: "buy" | "sell" } export interface TradeTapeProps { /** real prints, newest first (2026-10-06): given, the tape shows them instead of its seeded * walk and the live toggle leaves, since the host owns the feed. Blocks are ten times the * feed's own median size */ feed?: TapePrint[] /** places the size is written to; 0 for whole shares, more for crypto */ sizeDp?: number symbol?: string /** the price the seeded walk starts from */ base?: number priceDp?: number /** lift the width cap, so the tape fills whatever pane holds it */ flush?: boolean /** take the pane's full height; the row count answers to it, so prints reach the bottom edge */ fill?: boolean /** show the symbol beside the toggle; false when the host already names the pane */ label?: boolean /** start with the feed pinned on; at rest (false) it streams only while pointed at */ initialLive?: boolean className?: string } /** * Live time and sales. Prints stream in at the top while the tape is pointed at, coloured * by the aggressor and weighed by a thin bar at the edge; block trades of ten times the * median or more get a faint ground across the row. Pointing at a print dims the rest. * Demo feed, seeded, so two mounts print the same walk. */ export function TradeTape({ feed, sizeDp = 0, symbol = "AAPL", base = 228.02, priceDp = 2, flush = false, fill = false, label = true, initialLive = false, className, }: TradeTapeProps) { const reduced = useReducedMotion() const pointed = usePointed() const [hot, setHot] = useState(null) /* "auto" streams while pointed at, "on" is pinned by the toggle, "off" is paused by it until the pointer leaves (then it goes back to auto) */ const [mode, setMode] = useState<"auto" | "on" | "off">(initialLive ? "on" : "auto") const live = mode === "on" || (mode === "auto" && pointed.live) useEffect(() => { if (!pointed.live && mode === "off") setMode("auto") }, [pointed.live, mode]) const idRef = useRef(1) const clockRef = useRef(CLOCK_START) const priceRef = useRef(base) /* one generator for the whole life of the tape, so a taller pane never restarts the price */ const makeRef = useRef<(() => Print) | null>(null) if (!makeRef.current) { const rand = mulberry32(47) makeRef.current = () => { const side: "buy" | "sell" = rand() > 0.5 ? "buy" : "sell" priceRef.current = +(priceRef.current * (1 + (side === "buy" ? 1 : -1) * rand() * 0.00035)).toFixed(priceDp) const block = rand() < 0.06 const size = block ? Math.round(MEDIAN * (10 + rand() * 25)) : Math.round(8 + rand() * rand() * 340) const id = idRef.current++ /* the clock steps one to three seconds a print, by the print's number */ clockRef.current += 1 + (id % 3) return { id, t: stamp(clockRef.current), price: priceRef.current, size, side, block } } } /* the seeded prints are there from the first frame: the still state at rest */ const [prints, setPrints] = useState(() => Array.from({ length: MAX_ROWS }, makeRef.current!).reverse()) /** the seeded batch rises in once, 35ms apart for the first 8; after that every print * lands alone and the hover dim answers without a delay */ const [intro, setIntro] = useState(true) useEffect(() => { const t = setTimeout(() => setIntro(false), 600) return () => clearTimeout(t) }, []) /* fill mode: the list is a flex-1 box, so its height is the pane's; measure it and one row, and the row count falls out of height ÷ rowHeight */ const listRef = useRef(null) const [rows, setRows] = useState(MAX_ROWS) const rowsRef = useRef(MAX_ROWS) rowsRef.current = rows const seeded = prints.length > 0 useLayoutEffect(() => { const box = listRef.current if (!fill || !box || !seeded || typeof ResizeObserver === "undefined") return const measure = () => { const rowH = (box.firstElementChild as HTMLElement | null)?.getBoundingClientRect().height ?? 0 if (!rowH) return /* floor, so every print on screen is a whole one */ setRows(Math.max(4, Math.floor(box.clientHeight / rowH))) } measure() const ro = new ResizeObserver(measure) ro.observe(box) return () => ro.disconnect() }, [fill, seeded]) useEffect(() => { const make = makeRef.current if (!make || !live) return const id = setInterval(() => setPrints((prev) => [make(), ...prev].slice(0, rowsRef.current)), reduced ? 2200 : 700) return () => clearInterval(id) }, [live, reduced]) /* a taller pane asks for more prints than the tape holds: top up at the old end */ useEffect(() => { const make = makeRef.current if (!make) return setPrints((prev) => (prev.length >= rows ? prev.slice(0, rows) : [...prev, ...Array.from({ length: rows - prev.length }, make)])) }, [rows]) /* the host's feed, when given: its own median sets the block size and the weight bars */ const sizes = feed ? [...feed.map((f) => f.size)].sort((a, b) => a - b) : [] const median = feed ? sizes[Math.floor(sizes.length / 2)] || 1 : MEDIAN const shown: Print[] = feed ? feed.slice(0, rows).map((f, i) => ({ id: typeof f.id === "number" ? f.id : i + 1, t: new Date(f.time).toLocaleTimeString("en-GB", { hour12: false }), price: f.price, size: f.size, side: f.side, block: f.size >= median * 10, })) : prints return (

{ pointed.bind.onPointerLeave() setHot(null) }} >

{label && {symbol}} {/* live-toggle.tsx, the same toggle as Tape Flow: ink only, one fixed width */} {!feed && ( setMode(next ? "on" : "off")} /> )}

Time Price Size

{shown.map((p, i) => { const hue = p.side === "buy" ? GREEN : RED const dim = hot !== null && hot !== p.id const delay = intro ? Math.min(i, 7) * 0.035 : 0 return ( setHot(p.id)} className="relative grid grid-cols-3 items-center px-3 py-[3px] text-[10.5px]" style={p.block ? { background: `color-mix(in srgb, ${hue} 8%, transparent)` } : undefined} > {/* the print's weight: the same hue, stronger for a larger size */} {p.t} {p.price.toFixed(priceDp)} {p.size.toLocaleString("en-US", { minimumFractionDigits: sizeDp, maximumFractionDigits: sizeDp })} {p.block && ( block )} ) })}

) } 76:T29c6,"use client" import { createContext, useContext, type ReactNode } from "react" import { AnimatePresence, motion, useReducedMotion } from "motion/react" import { cn } from "@/lib/utils" import { THUMB } from "@/components/ui/control-classes" /* Live Toggle: the one play and pause control of the streaming components (Tape Flow, Trade Tape, Fills Blotter, New Items Pill). 2026-10-02 round 2: his call, "I don't like the green dot in there, I feel like it should be better design ... still minimal. Give me a couple of options". Four options, all in ink on the control material, none with a dot, each a fixed width so the control never resizes between its two states: · a Bars a 28px pill; while live three thin bars rise and fall out of phase like an equaliser beside "Live"; paused, a filled play mark beside "Paused" · b Line a 28px pill; a hairline under the label carries a short glint gliding along it while live, a pause mark says what a press does; paused, a play mark · c Morph (default, his pick 2026-10-02) icon only, 28px round; the play mark morphs into the two pause bars, which breathe in turn while live · d Word text only; "Live" breathes in its letter weight (a variable font eases it, a static one steps), "Paused" sits still at /60 Live takes the THUMB fill and full ink; paused is bare ink at /60 with a faint fill under the pointer. The label swaps in place (4px, 2px blur, 150ms). The signal moves only while `animate` is true (data is actually flowing) and never under reduced motion. Motion is transform only for a, b and c; d animates the weight. A page switches every toggle below it with . */ export type LiveToggleVariantName = "a" | "b" | "c" | "d" const VariantContext = createContext("c") /** sets the look of every LiveToggle below it that does not name its own variant */ export function LiveToggleVariant({ variant, children }: { variant: LiveToggleVariantName; children: ReactNode }) { return {children} } /** the variant in force here (the nearest LiveToggleVariant, or "c") */ export const useLiveToggleVariant = () => useContext(VariantContext) const EASE = [0.16, 1, 0.3, 1] as const /** fixed widths: the longer label ("Paused") plus its mark and 12px sides */ const WIDTH: Record = { a: 88, b: 88, c: 28, d: 68 } /* keyframes for the signals; each toggle carries the same small rule set */ const KEYFRAMES = ` @keyframes lt-eq { 0%, 100% { transform: scaleY(0.35) } 50% { transform: scaleY(1) } } @keyframes lt-glint { 0% { transform: translateX(-100%) } 100% { transform: translateX(300%) } } @keyframes lt-breathe { 0%, 100% { transform: scaleY(1) } 50% { transform: scaleY(0.62) } } @keyframes lt-weight { 0%, 100% { font-weight: 460 } 50% { font-weight: 640 } } @media (prefers-reduced-motion: reduce) { .lt-sig { animation: none !important } } ` const PILL = "relative inline-flex h-7 shrink-0 items-center justify-center rounded-full text-[11px] outline-none transition-[color,background-color,scale] duration-150 focus-visible:bg-foreground/[0.08] active:scale-[0.97] motion-reduce:active:scale-100" const ON = `${THUMB} text-foreground/90` const OFF = "text-foreground/60 hover:bg-foreground/[0.04] hover:text-foreground/90" function PlayMark() { return ( ) } function PauseMark() { return ( ) } /** a: three 2px bars out of phase, the equaliser of something playing */ function Bars({ moving }: { moving: boolean }) { const bars = [ { d: 1.05, delay: 0, rest: 0.55 }, { d: 0.85, delay: -0.35, rest: 1 }, { d: 1.25, delay: -0.7, rest: 0.7 }, ] return ( {bars.map((b, i) => ( ))} ) } /* c: play and pause drawn as the same two four-point shapes, so one morphs into the other. Points run top left, top right, bottom right, bottom left. */ const quad = (p: number[]) => `M${p[0]} ${p[1]} L${p[2]} ${p[3]} L${p[4]} ${p[5]} L${p[6]} ${p[7]} Z` const PAUSE_L = quad([2.6, 2, 5, 2, 5, 10, 2.6, 10]) const PAUSE_R = quad([7, 2, 9.4, 2, 9.4, 10, 7, 10]) const PLAY_L = quad([3.2, 1.8, 7, 4.08, 7, 7.92, 3.2, 10.2]) const PLAY_R = quad([6.9, 4.02, 10.2, 6, 10.2, 6, 6.9, 7.98]) function Morph({ live, moving, reduced }: { live: boolean; moving: boolean; reduced: boolean }) { const t = reduced ? { duration: 0 } : { duration: 0.25, ease: EASE } return ( ) } /** the label, swapped in place inside the fixed width */ function Label({ text, reduced, style, className }: { text: string; reduced: boolean; style?: React.CSSProperties; className?: string }) { return ( {text} ) } /** a mark that swaps through a 0.6 scale and a fade (150ms) */ function Swap({ k, children, reduced }: { k: string; children: ReactNode; reduced: boolean }) { return ( {children} ) } export interface LiveToggleProps { /** the feed is on */ live: boolean onLiveChange: (next: boolean) => void /** the look; defaults to the nearest LiveToggleVariant, then "c" */ variant?: LiveToggleVariantName /** the signal moves only while data is actually flowing; defaults to `live` */ animate?: boolean labels?: { on: string; off: string } /** a fixed width in px, when the labels are longer than the defaults */ width?: number "aria-label"?: string className?: string } /** * The live control of a streaming component: a press pauses the feed or plays it. Four * looks share one API (see the header); none of them changes width between states. */ export function LiveToggle({ live, onLiveChange, variant, animate, labels = { on: "Live", off: "Paused" }, width, "aria-label": ariaLabel, className, }: LiveToggleProps) { const fromContext = useContext(VariantContext) const v = variant ?? fromContext const reduced = useReducedMotion() ?? false const moving = (animate ?? live) && !reduced const text = live ? labels.on : labels.off const w = width ?? WIDTH[v] return ( ) } 77:T778,"use client" import { useEffect, useRef, useState } from "react" /* usePointed: live content runs only while it is being looked at (his call, 2026-10-02: "it should start animating only when you start hovering on it; anything with numbers that change can start once you hover on the component"). Spread `bind` on the component's root; `live` is true while the pointer is on it or focus is inside it, and stays true for `linger` ms after it leaves so a pass across the edge does not stop and start the feed. On a device with no hover (touch) it is true while the component is at least half in view instead, since a finger cannot point without pressing. */ export function usePointed({ linger = 600 } = {}) { const ref = useRef(null) const [pointed, setPointed] = useState(false) const [seen, setSeen] = useState(false) const [touch] = useState(() => typeof matchMedia === "function" && !matchMedia("(hover: hover) and (pointer: fine)").matches) const timer = useRef(undefined) useEffect(() => { if (!touch || !ref.current || typeof IntersectionObserver === "undefined") return const io = new IntersectionObserver(([e]) => setSeen(e.isIntersecting), { threshold: 0.5 }) io.observe(ref.current) return () => io.disconnect() }, [touch]) useEffect(() => () => window.clearTimeout(timer.current), []) const on = () => { window.clearTimeout(timer.current) setPointed(true) } const off = () => { window.clearTimeout(timer.current) timer.current = window.setTimeout(() => setPointed(false), linger) } return { ref, live: touch ? seen : pointed, bind: { onPointerEnter: on, onPointerLeave: off, onFocus: on, onBlur: (e: React.FocusEvent) => { if (!e.currentTarget.contains(e.relatedTarget as Node | null)) off() }, }, } } 78:T11ea,/* Control classes: the library's control material for components that ship on their own (2026-10-02, the audit's pattern 11). src/components/library/controls.ts is the site's copy; components used to paste its look in as a flat 8% fill "so the file ships alone", and those copies never turned white on a raised light surface. These read the same tokens WITH a fallback, so they follow the site's raised-surface rule here and still draw correctly in a buyer's app that has no such tokens. Shipped beside every component that imports it (scripts/build-registry.mjs bundles ui helpers automatically). Whole class strings, never assembled from pieces: Tailwind reads this file as text. */ /** what is ON in a switcher. Light (his call, 2026-10-02, after the inline slider): a WHITE * pill with a hairline and a soft shadow on the grey track. Dark: the 8% thumb */ export const THUMB = "bg-white shadow-[0_0_0_1px_var(--light-outline,rgba(0,0,0,0.09)),0_1px_3px_rgba(0,0,0,0.08)] dark:bg-[var(--control-fill,color-mix(in_oklab,var(--foreground)_8%,transparent))] dark:shadow-[var(--control-shadow,inset_0_1px_0_0_color-mix(in_srgb,var(--foreground)_6%,transparent))]" /** what a switcher's options sit in; its 2px padding is the gap the thumb keeps. Light: a * light grey track with no outline, the white pill sits in it. Dark: a hairline, no fill */ export const TRACK = "rounded-full border border-transparent bg-[color-mix(in_srgb,var(--foreground)_5%,var(--background))] p-0.5 dark:border-foreground/[0.04] dark:bg-transparent" /** an option that is off: the label alone answers the pointer */ export const SEGMENT_OFF = "text-foreground/60 hover:text-foreground/90" /** a secondary button: the thumb standing alone; size it with h-7 / h-9 and px */ export const BUTTON = "inline-flex items-center justify-center gap-1.5 rounded-full bg-[var(--control-fill,color-mix(in_oklab,var(--foreground)_8%,transparent))] shadow-[var(--control-shadow,inset_0_1px_0_0_color-mix(in_srgb,var(--foreground)_6%,transparent))] text-foreground/90 outline-none transition-[color,background-color,scale] duration-150 hover:bg-[var(--control-fill-hover,color-mix(in_oklab,var(--foreground)_12%,transparent))] focus-visible:bg-[var(--control-fill-hover,color-mix(in_oklab,var(--foreground)_12%,transparent))] active:scale-[0.97] disabled:pointer-events-none disabled:opacity-40 motion-reduce:active:scale-100" /** an icon-only control: no fill at rest, a faint one under the pointer */ export const ICON_BUTTON = "inline-flex items-center justify-center rounded-full text-foreground/60 outline-none transition-[color,background-color] duration-150 hover:bg-foreground/[0.06] hover:text-foreground/90 focus-visible:bg-foreground/[0.06]" /** a field: the track with just enough fill to read as somewhere to type */ export const FIELD = "rounded-full border border-foreground/[0.04] bg-[var(--field-fill,color-mix(in_oklab,var(--foreground)_5%,transparent))] text-foreground/90 outline-none transition-[background-color,border-color] duration-150 placeholder:text-foreground/45 focus:border-foreground/[0.12]" /** the one loud button of a form: 48px, full width, the foreground filled (the dashboards' * Modal primary). A ticket, a swap, a confirm: one of these and nothing louder */ export const BUTTON_PRIMARY = "inline-flex h-12 w-full items-center justify-center gap-2 rounded-full bg-foreground/[0.92] text-[14px] font-medium text-background outline-none transition-[background-color,scale,opacity] duration-150 hover:bg-foreground focus-visible:bg-foreground active:scale-[0.98] disabled:pointer-events-none disabled:opacity-40 motion-reduce:active:scale-100" /** a component's own card, field or block (spec 14.8). Dark: a #121212 fill on black. Light * (his call, 2026-10-02: "on light the card background is too dark, it can just be white, a * quiet outline and a small shadow"): white, a 1px hairline (Kraken's #e7e6e9, or 9% ink in an app without the token) and a * barely there shadow, * drawn as box shadows so the outline takes no layout */ export const SURFACE = "bg-background shadow-[0_0_0_1px_var(--light-outline,color-mix(in_srgb,var(--foreground)_9%,transparent)),0_1px_2px_rgba(0,0,0,0.04)] dark:bg-[color-mix(in_srgb,var(--foreground)_7%,var(--background))] dark:shadow-none" /** a block sitting ON a surface: a faint 4% grey inside a white card in light, #1f1f1f in dark */ export const RAISED = "bg-[color-mix(in_srgb,var(--foreground)_4%,var(--background))] dark:bg-[color-mix(in_srgb,var(--foreground)_12%,var(--background))]" 68:["$","$L74",null,{"files":[{"path":"components/ui/trade-tape.tsx","content":"$75","type":"registry:ui","target":"components/ui/trade-tape.tsx"},{"path":"components/ui/live-toggle.tsx","content":"$76","type":"registry:ui","target":"components/ui/live-toggle.tsx"},{"path":"components/ui/use-pointed.ts","content":"$77","type":"registry:ui","target":"components/ui/use-pointed.ts"},{"path":"components/ui/control-classes.ts","content":"$78","type":"registry:ui","target":"components/ui/control-classes.ts"}],"className":"h-[70svh] min-h-80"}]