refactor(webui): prune unused legacy components
This commit is contained in:
Xubin Ren
@@ -1,124 +0,0 @@
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import { useCallback, useEffect, useRef, useState } from "react";
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import { ArrowUp } from "lucide-react";
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import { Button } from "@/components/ui/button";
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import { cn } from "@/lib/utils";
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interface ComposerProps {
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onSend: (content: string) => void;
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disabled?: boolean;
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placeholder?: string;
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/** Visually collapse the outer padding when embedded inside a welcome screen. */
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compact?: boolean;
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}
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/**
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* Rounded, shadowed composer with an embedded send button — modeled after the
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* agent-chat-ui input: a single surface that looks like one interactive unit
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* rather than a textarea + button pair.
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*/
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export function Composer({
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onSend,
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disabled,
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placeholder = "Type your message…",
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compact = false,
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}: ComposerProps) {
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const [value, setValue] = useState("");
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const textareaRef = useRef<HTMLTextAreaElement>(null);
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// Autofocus on mount — coming back to a chat, switching sessions, or
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// opening the welcome screen should always land the caret in the box.
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useEffect(() => {
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if (disabled) return;
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const el = textareaRef.current;
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if (!el) return;
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// Defer so layout settles first (important during enter animations).
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const id = requestAnimationFrame(() => el.focus());
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return () => cancelAnimationFrame(id);
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}, [disabled]);
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const submit = useCallback(() => {
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const trimmed = value.trim();
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if (!trimmed || disabled) return;
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onSend(trimmed);
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setValue("");
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requestAnimationFrame(() => {
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const el = textareaRef.current;
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if (el) {
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el.style.height = "auto";
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el.focus();
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}
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});
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}, [disabled, onSend, value]);
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const onKeyDown: React.KeyboardEventHandler<HTMLTextAreaElement> = (e) => {
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if (e.key === "Enter" && !e.shiftKey && !e.nativeEvent.isComposing) {
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e.preventDefault();
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submit();
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}
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};
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const onInput: React.FormEventHandler<HTMLTextAreaElement> = (e) => {
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const el = e.currentTarget;
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el.style.height = "auto";
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el.style.height = `${Math.min(el.scrollHeight, 260)}px`;
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};
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return (
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<form
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onSubmit={(e) => {
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e.preventDefault();
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submit();
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}}
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className={cn(
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"w-full",
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compact ? "px-0" : "bg-background/95 px-4 pb-4 pt-2 backdrop-blur",
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)}
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>
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<div
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className={cn(
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"relative mx-auto flex w-full max-w-[64rem] flex-col overflow-hidden rounded-3xl",
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"border bg-muted/60 shadow-sm transition-all duration-200",
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"focus-within:bg-muted focus-within:shadow-md focus-within:ring-1 focus-within:ring-foreground/10",
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disabled && "opacity-60",
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)}
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>
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<textarea
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ref={textareaRef}
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value={value}
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onChange={(e) => setValue(e.target.value)}
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onInput={onInput}
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onKeyDown={onKeyDown}
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rows={1}
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placeholder={placeholder}
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disabled={disabled}
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aria-label="Message input"
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className={cn(
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"min-h-[56px] w-full resize-none bg-transparent px-5 pt-4 pb-2 text-sm",
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"placeholder:text-muted-foreground",
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"focus:outline-none focus-visible:outline-none",
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"disabled:cursor-not-allowed",
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)}
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/>
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<div className="flex items-center justify-between gap-2 px-3 pb-2">
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<span className="hidden select-none text-[11px] text-muted-foreground/70 sm:inline">
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Enter to send · Shift+Enter for newline
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</span>
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<span className="sm:hidden" aria-hidden />
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<Button
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type="submit"
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size="icon"
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disabled={disabled || !value.trim()}
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aria-label="Send message"
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className={cn(
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"h-9 w-9 rounded-full shadow-sm transition-transform",
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value.trim() && !disabled && "hover:scale-[1.03] active:scale-95",
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)}
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>
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<ArrowUp className="h-4 w-4" />
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</Button>
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</div>
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</div>
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</form>
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);
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}
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@@ -1,26 +0,0 @@
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import { MessageSquarePlus } from "lucide-react";
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import { Button } from "@/components/ui/button";
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export function EmptyState({
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onNewChat,
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}: {
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onNewChat: () => void;
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}) {
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return (
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<div className="flex h-full flex-col items-center justify-center gap-4 text-center">
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<MessageSquarePlus
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className="h-10 w-10 text-muted-foreground"
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aria-hidden
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/>
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<div className="space-y-1">
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<p className="text-lg font-medium">No chats yet</p>
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<p className="max-w-sm text-sm text-muted-foreground">
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Start a conversation — your sessions are stored locally on the nanobot
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workspace and stay available across reloads.
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</p>
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</div>
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<Button onClick={onNewChat}>New chat</Button>
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</div>
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);
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}
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@@ -1,109 +0,0 @@
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import { useCallback, useEffect, useRef, useState } from "react";
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import { ArrowDown } from "lucide-react";
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import { MessageBubble } from "@/components/MessageBubble";
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import { Button } from "@/components/ui/button";
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import { cn } from "@/lib/utils";
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import type { UIMessage } from "@/lib/types";
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interface MessageListProps {
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messages: UIMessage[];
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isStreaming: boolean;
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}
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const NEAR_BOTTOM_PX = 48;
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/**
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* Scrollable message log. Auto-sticks to the bottom as new content arrives,
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* but only when the user was already at the bottom — preserving scroll
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* position when they've scrolled up to read earlier turns. A floating
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* "scroll to bottom" button appears whenever we're detached from the bottom.
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*/
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export function MessageList({ messages, isStreaming }: MessageListProps) {
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const scrollRef = useRef<HTMLDivElement>(null);
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const [atBottom, setAtBottom] = useState(true);
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const scrollToBottom = useCallback((smooth = false) => {
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const el = scrollRef.current;
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if (!el) return;
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el.scrollTo({
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top: el.scrollHeight,
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behavior: smooth ? "smooth" : "auto",
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});
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}, []);
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// Keep the viewport pinned to the bottom as long as the user hasn't
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// scrolled up. During streaming we do instant jumps (smooth scrolling each
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// token fights the incoming animations); on settled updates we animate.
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useEffect(() => {
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if (!atBottom) return;
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scrollToBottom(!isStreaming);
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}, [messages, isStreaming, atBottom, scrollToBottom]);
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useEffect(() => {
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const el = scrollRef.current;
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if (!el) return;
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const onScroll = () => {
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const distance = el.scrollHeight - el.scrollTop - el.clientHeight;
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setAtBottom(distance < NEAR_BOTTOM_PX);
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};
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el.addEventListener("scroll", onScroll, { passive: true });
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return () => el.removeEventListener("scroll", onScroll);
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}, []);
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if (messages.length === 0) {
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return (
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<div className="flex h-full items-center justify-center text-sm text-muted-foreground">
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Say hi to get started.
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</div>
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);
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}
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return (
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<div className="relative flex min-h-0 flex-1 overflow-hidden">
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<div
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ref={scrollRef}
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className={cn(
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"h-full overflow-y-auto scroll-smooth",
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"[&::-webkit-scrollbar]:w-1.5",
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"[&::-webkit-scrollbar-thumb]:rounded-full",
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"[&::-webkit-scrollbar-thumb]:bg-muted-foreground/30",
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"[&::-webkit-scrollbar-track]:bg-transparent",
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)}
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>
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<div className="mx-auto flex w-full max-w-[64rem] flex-col gap-6 px-4 pt-4 pb-8">
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{messages.map((m) => (
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<MessageBubble key={m.id} message={m} />
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))}
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</div>
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</div>
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{/* Top fade so messages slide under the header gracefully. */}
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<div
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aria-hidden
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className="pointer-events-none absolute inset-x-0 top-0 h-6 bg-gradient-to-b from-background to-transparent"
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/>
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{/* Bottom fade so messages fade out behind the composer. */}
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<div
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aria-hidden
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className="pointer-events-none absolute inset-x-0 bottom-0 h-8 bg-gradient-to-t from-background to-transparent"
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/>
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{!atBottom && (
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<Button
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variant="outline"
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size="icon"
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onClick={() => scrollToBottom(true)}
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className={cn(
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"absolute bottom-2 left-1/2 h-8 w-8 -translate-x-1/2 rounded-full shadow-md",
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"bg-background/90 backdrop-blur",
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"animate-in fade-in-0 zoom-in-95",
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)}
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aria-label="Scroll to bottom"
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>
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<ArrowDown className="h-4 w-4" />
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</Button>
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)}
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</div>
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);
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}
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@@ -1,48 +0,0 @@
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import * as React from "react";
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import * as AvatarPrimitive from "@radix-ui/react-avatar";
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import { cn } from "@/lib/utils";
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const Avatar = React.forwardRef<
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React.ElementRef<typeof AvatarPrimitive.Root>,
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React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Root>
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>(({ className, ...props }, ref) => (
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<AvatarPrimitive.Root
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ref={ref}
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className={cn(
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"relative flex h-9 w-9 shrink-0 overflow-hidden rounded-full",
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className,
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)}
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{...props}
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/>
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));
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Avatar.displayName = AvatarPrimitive.Root.displayName;
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const AvatarImage = React.forwardRef<
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React.ElementRef<typeof AvatarPrimitive.Image>,
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React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Image>
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>(({ className, ...props }, ref) => (
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<AvatarPrimitive.Image
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ref={ref}
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className={cn("aspect-square h-full w-full", className)}
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{...props}
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/>
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));
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AvatarImage.displayName = AvatarPrimitive.Image.displayName;
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const AvatarFallback = React.forwardRef<
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React.ElementRef<typeof AvatarPrimitive.Fallback>,
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React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Fallback>
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>(({ className, ...props }, ref) => (
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<AvatarPrimitive.Fallback
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ref={ref}
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className={cn(
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"flex h-full w-full items-center justify-center rounded-full bg-muted text-xs font-medium",
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className,
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)}
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{...props}
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/>
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));
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AvatarFallback.displayName = AvatarPrimitive.Fallback.displayName;
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export { Avatar, AvatarFallback, AvatarImage };
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@@ -1,46 +0,0 @@
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import * as React from "react";
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import * as ScrollAreaPrimitive from "@radix-ui/react-scroll-area";
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import { cn } from "@/lib/utils";
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const ScrollArea = React.forwardRef<
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React.ElementRef<typeof ScrollAreaPrimitive.Root>,
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React.ComponentPropsWithoutRef<typeof ScrollAreaPrimitive.Root>
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>(({ className, children, ...props }, ref) => (
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<ScrollAreaPrimitive.Root
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ref={ref}
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className={cn("relative overflow-hidden", className)}
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{...props}
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>
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<ScrollAreaPrimitive.Viewport className="h-full w-full min-w-0 rounded-[inherit]">
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{children}
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</ScrollAreaPrimitive.Viewport>
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<ScrollBar />
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<ScrollAreaPrimitive.Corner />
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</ScrollAreaPrimitive.Root>
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));
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ScrollArea.displayName = ScrollAreaPrimitive.Root.displayName;
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const ScrollBar = React.forwardRef<
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React.ElementRef<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>,
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React.ComponentPropsWithoutRef<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>
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>(({ className, orientation = "vertical", ...props }, ref) => (
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<ScrollAreaPrimitive.ScrollAreaScrollbar
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ref={ref}
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orientation={orientation}
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className={cn(
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"flex touch-none select-none transition-colors",
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orientation === "vertical" &&
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"h-full w-2.5 border-l border-l-transparent p-[1px]",
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orientation === "horizontal" &&
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"h-2.5 flex-col border-t border-t-transparent p-[1px]",
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className,
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)}
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{...props}
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>
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<ScrollAreaPrimitive.ScrollAreaThumb className="relative flex-1 rounded-full bg-border" />
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</ScrollAreaPrimitive.ScrollAreaScrollbar>
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));
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ScrollBar.displayName = ScrollAreaPrimitive.ScrollAreaScrollbar.displayName;
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export { ScrollArea, ScrollBar };
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