50:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 51:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 52:T147e,"use client" import * as React from "react" import { AnimatePresence, motion } from "motion/react" import { ArrowDown } from "lucide-react" import { cn } from "@/lib/utils" import { springs, fades, depth, reduced, useReducedMotion } from "@/lib/motion" import { Button } from "./button" type StickToBottom = { scrollRef: React.RefObject contentRef: React.RefObject isAtBottom: boolean scrollToBottom: (behavior?: ScrollBehavior) => void } const ConversationContext = React.createContext(null) function useConversation() { const ctx = React.useContext(ConversationContext) if (!ctx) { throw new Error("Conversation parts must be used within .") } return ctx } // Owned stick-to-bottom: the viewport follows new content while the user is at // the bottom, releases the moment they scroll up, and re-arms when they return. // No dependency — you own this code. function useStickToBottom(threshold = 24): StickToBottom { const scrollRef = React.useRef(null) const contentRef = React.useRef(null) const stuckRef = React.useRef(true) const [isAtBottom, setIsAtBottom] = React.useState(true) const reduceMotion = useReducedMotion() const scrollToBottom = React.useCallback( (behavior?: ScrollBehavior) => { const el = scrollRef.current if (!el) return el.scrollTo({ top: el.scrollHeight, // Explicit jumps are smooth; reduced motion never animates position. behavior: behavior ?? (reduceMotion ? "auto" : "smooth"), }) }, [reduceMotion] ) React.useEffect(() => { const el = scrollRef.current if (!el) return const onScroll = () => { const atBottom = el.scrollHeight - el.scrollTop - el.clientHeight <= threshold stuckRef.current = atBottom setIsAtBottom(atBottom) } el.addEventListener("scroll", onScroll, { passive: true }) onScroll() return () => el.removeEventListener("scroll", onScroll) }, [threshold]) React.useEffect(() => { const el = scrollRef.current const content = contentRef.current if (!el || !content) return // While stuck, pin to bottom instantly as content grows — an animated // follow would lag behind streamed tokens and read as jank. const obs = new ResizeObserver(() => { if (stuckRef.current) el.scrollTop = el.scrollHeight }) obs.observe(content) return () => obs.disconnect() }, []) return { scrollRef, contentRef, isAtBottom, scrollToBottom } } function Conversation({ className, children, ...props }: React.ComponentProps<"div">) { const stick = useStickToBottom() return (

{children}

) } function ConversationContent({ className, ...props }: React.ComponentProps<"div">) { const { contentRef } = useConversation() return (

) } // Floating "jump to latest" key — an embossed control rising at overlay depth, // shown only when the viewport is released from the bottom. function ConversationScrollButton({ className, ...props }: React.ComponentProps) { const { isAtBottom, scrollToBottom } = useConversation() const reduceMotion = useReducedMotion() return ( // Center horizontally with flex so motion's transform (y + scale) doesn't // fight a Tailwind translate on the animated element.

{!isAtBottom && ( )}

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