feat: Claude Web UI POC with streaming and tool visualization
Initial implementation of a web-based Claude Code interface with: Backend (Node.js + Express + WebSocket): - Claude CLI spawning with JSON stream mode - Session management with resume support (--continue flag) - Session history API endpoint - Real-time WebSocket communication - --include-partial-messages for live streaming Frontend (React + Vite + Tailwind): - Modern dark theme UI (Discord/Slack style) - Live text streaming with content_block_delta handling - Markdown rendering with react-markdown + remark-gfm - Syntax highlighting with react-syntax-highlighter (One Dark) - Collapsible high-tech tool cards with: - Tool-specific icons and colors - Compact summaries (Read, Glob, Bash, Edit, etc.) - Expandable JSON details - Session history loading on resume - Project directory selection - Resume session toggle Docker: - Multi-container setup (backend + nginx frontend) - Isolated Claude config directory - Host network mode for backend Built collaboratively by Neko (VPS Claude) and Web-UI Claude, with Web-UI Claude implementing most frontend features while running inside the interface itself (meta-programming!). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
398
frontend/src/components/MessageList.jsx
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398
frontend/src/components/MessageList.jsx
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import { useEffect, useRef, useState } from 'react';
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import {
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User, Bot, Terminal, CheckCircle, AlertCircle, Info,
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FileText, Search, FolderSearch, Pencil, FilePlus, Globe,
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ChevronDown, ChevronRight, Play, Loader2
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} from 'lucide-react';
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import ReactMarkdown from 'react-markdown';
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import remarkGfm from 'remark-gfm';
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import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';
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import { oneDark } from 'react-syntax-highlighter/dist/esm/styles/prism';
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export function MessageList({ messages, isProcessing }) {
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const endRef = useRef(null);
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useEffect(() => {
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endRef.current?.scrollIntoView({ behavior: 'smooth' });
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}, [messages, isProcessing]);
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if (messages.length === 0) {
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return (
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<div className="flex-1 flex items-center justify-center p-8">
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<div className="text-center text-dark-500 max-w-md">
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<Bot className="w-16 h-16 mx-auto mb-4 opacity-50" />
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<h2 className="text-xl font-semibold mb-2">Welcome to Claude Web UI</h2>
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<p className="text-sm">
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Start a session and begin chatting with Claude.
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All messages are streamed in real-time via JSON.
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</p>
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</div>
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</div>
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);
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}
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return (
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<div className="flex-1 overflow-y-auto p-4 space-y-4">
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{messages.map((message, index) => (
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<Message key={index} message={message} />
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))}
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{isProcessing && (
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<div className="flex items-center gap-3 text-dark-400">
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<Bot className="w-6 h-6" />
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<div className="flex gap-1">
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<span className="w-2 h-2 bg-orange-400 rounded-full typing-dot" />
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<span className="w-2 h-2 bg-orange-400 rounded-full typing-dot" />
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<span className="w-2 h-2 bg-orange-400 rounded-full typing-dot" />
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</div>
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</div>
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)}
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<div ref={endRef} />
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</div>
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);
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}
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function Message({ message }) {
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const { type, content, tool, input, timestamp } = message;
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const renderContent = () => {
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switch (type) {
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case 'user':
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return (
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<div className="flex gap-3 message-enter">
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<div className="w-8 h-8 rounded-lg bg-blue-600 flex items-center justify-center flex-shrink-0">
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<User className="w-4 h-4" />
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</div>
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<div className="flex-1 min-w-0">
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<div className="text-xs text-dark-500 mb-1">You</div>
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<div className="bg-dark-800 rounded-lg rounded-tl-none p-3 text-dark-100">
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<pre className="whitespace-pre-wrap font-sans text-sm">{content}</pre>
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</div>
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</div>
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</div>
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);
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case 'assistant':
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return (
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<div className="flex gap-3 message-enter">
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<div className="w-8 h-8 rounded-lg bg-orange-600 flex items-center justify-center flex-shrink-0">
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<Bot className="w-4 h-4" />
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</div>
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<div className="flex-1 min-w-0">
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<div className="text-xs text-dark-500 mb-1">Claude</div>
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<div className="bg-dark-850 rounded-lg rounded-tl-none p-3 text-dark-100 border border-dark-700 prose prose-invert prose-sm max-w-none
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prose-headings:text-dark-100 prose-headings:font-semibold prose-headings:mt-4 prose-headings:mb-2
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prose-p:text-dark-200 prose-p:my-2
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prose-a:text-orange-400 prose-a:no-underline hover:prose-a:underline
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prose-code:text-orange-300 prose-code:bg-dark-900 prose-code:px-1 prose-code:py-0.5 prose-code:rounded prose-code:text-sm
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prose-pre:bg-dark-900 prose-pre:border prose-pre:border-dark-700 prose-pre:rounded-lg
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prose-ul:my-2 prose-ol:my-2 prose-li:text-dark-200
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prose-strong:text-dark-100 prose-em:text-dark-200
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prose-table:text-sm prose-th:text-dark-300 prose-td:text-dark-300">
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<ReactMarkdown
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remarkPlugins={[remarkGfm]}
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components={{
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code({ node, inline, className, children, ...props }) {
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const match = /language-(\w+)/.exec(className || '');
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return !inline && match ? (
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<SyntaxHighlighter
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style={oneDark}
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language={match[1]}
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PreTag="div"
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customStyle={{
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margin: 0,
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borderRadius: '0.5rem',
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fontSize: '0.875rem',
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}}
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{...props}
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>
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{String(children).replace(/\n$/, '')}
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</SyntaxHighlighter>
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) : (
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<code className={className} {...props}>
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{children}
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</code>
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);
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}
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}}
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>
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{content}
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</ReactMarkdown>
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</div>
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</div>
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</div>
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);
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case 'tool_use':
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return <ToolUseCard tool={tool} input={input} />;
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case 'tool_result':
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return <ToolResultCard content={content} isSuccess={!message.isError} />;
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case 'system':
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return (
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<div className="flex items-center gap-2 justify-center message-enter">
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<Info className="w-4 h-4 text-dark-500" />
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<span className="text-xs text-dark-500">{content}</span>
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</div>
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);
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case 'error':
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return (
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<div className="flex gap-3 message-enter">
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<div className="w-8 h-8 rounded-lg bg-red-600/30 flex items-center justify-center flex-shrink-0">
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<AlertCircle className="w-4 h-4 text-red-400" />
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</div>
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<div className="flex-1 min-w-0">
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<div className="text-xs text-red-400 mb-1">Error</div>
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<div className="bg-red-900/20 rounded-lg p-3 text-red-300 border border-red-900/50 text-sm">
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{content}
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</div>
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</div>
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</div>
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);
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default:
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return (
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<div className="text-xs text-dark-500 ml-11">
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Unknown message type: {type}
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</div>
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);
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}
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};
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return <div>{renderContent()}</div>;
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}
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// Tool configuration with icons, colors, and display logic
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const TOOL_CONFIG = {
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Read: {
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icon: FileText,
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color: 'blue',
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label: 'Reading file',
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getSummary: (input) => input.file_path?.split('/').slice(-2).join('/') || 'file',
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},
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Glob: {
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icon: FolderSearch,
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color: 'cyan',
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label: 'Searching files',
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getSummary: (input) => input.pattern || 'pattern',
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},
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Grep: {
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icon: Search,
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color: 'yellow',
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label: 'Searching content',
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getSummary: (input) => `"${input.pattern?.substring(0, 30)}${input.pattern?.length > 30 ? '...' : ''}"` || 'pattern',
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},
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Edit: {
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icon: Pencil,
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color: 'orange',
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label: 'Editing file',
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getSummary: (input) => input.file_path?.split('/').slice(-2).join('/') || 'file',
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},
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Write: {
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icon: FilePlus,
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color: 'green',
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label: 'Writing file',
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getSummary: (input) => input.file_path?.split('/').slice(-2).join('/') || 'file',
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},
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Bash: {
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icon: Terminal,
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color: 'purple',
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label: 'Running command',
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getSummary: (input) => {
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const cmd = input.command || '';
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return cmd.length > 40 ? cmd.substring(0, 40) + '...' : cmd;
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},
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},
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WebFetch: {
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icon: Globe,
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color: 'pink',
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label: 'Fetching URL',
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getSummary: (input) => {
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try {
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const url = new URL(input.url || '');
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return url.hostname;
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} catch {
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return input.url?.substring(0, 30) || 'url';
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}
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},
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},
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Task: {
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icon: Play,
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color: 'indigo',
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label: 'Running task',
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getSummary: (input) => input.description || 'task',
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},
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};
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const COLOR_CLASSES = {
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blue: {
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bg: 'bg-blue-500/20',
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border: 'border-blue-500/30',
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text: 'text-blue-400',
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glow: 'shadow-blue-500/20',
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},
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cyan: {
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bg: 'bg-cyan-500/20',
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border: 'border-cyan-500/30',
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text: 'text-cyan-400',
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glow: 'shadow-cyan-500/20',
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},
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yellow: {
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bg: 'bg-yellow-500/20',
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border: 'border-yellow-500/30',
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text: 'text-yellow-400',
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glow: 'shadow-yellow-500/20',
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},
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orange: {
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bg: 'bg-orange-500/20',
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border: 'border-orange-500/30',
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text: 'text-orange-400',
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glow: 'shadow-orange-500/20',
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},
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green: {
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bg: 'bg-green-500/20',
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border: 'border-green-500/30',
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text: 'text-green-400',
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glow: 'shadow-green-500/20',
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},
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purple: {
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bg: 'bg-purple-500/20',
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border: 'border-purple-500/30',
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text: 'text-purple-400',
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glow: 'shadow-purple-500/20',
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},
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pink: {
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bg: 'bg-pink-500/20',
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border: 'border-pink-500/30',
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text: 'text-pink-400',
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glow: 'shadow-pink-500/20',
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},
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indigo: {
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bg: 'bg-indigo-500/20',
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border: 'border-indigo-500/30',
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text: 'text-indigo-400',
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glow: 'shadow-indigo-500/20',
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},
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};
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function ToolUseCard({ tool, input }) {
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const [expanded, setExpanded] = useState(false);
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const config = TOOL_CONFIG[tool] || {
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icon: Terminal,
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color: 'purple',
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label: tool,
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getSummary: () => 'executing...',
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};
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const colors = COLOR_CLASSES[config.color];
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const Icon = config.icon;
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const summary = config.getSummary(input);
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return (
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<div className={`ml-11 message-enter rounded-lg border ${colors.border} ${colors.bg} overflow-hidden transition-all duration-200 hover:shadow-lg ${colors.glow}`}>
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{/* Header - always visible */}
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<button
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onClick={() => setExpanded(!expanded)}
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className="w-full flex items-center gap-3 p-2.5 text-left hover:bg-white/5 transition-colors"
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>
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{/* Icon with pulse animation */}
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<div className={`w-7 h-7 rounded-md ${colors.bg} border ${colors.border} flex items-center justify-center flex-shrink-0`}>
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<Icon className={`w-4 h-4 ${colors.text}`} />
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</div>
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{/* Tool info */}
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<div className="flex-1 min-w-0">
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<div className="flex items-center gap-2">
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<span className={`text-xs font-medium ${colors.text}`}>{config.label}</span>
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<span className="text-dark-600">•</span>
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<code className="text-xs text-dark-300 truncate">{summary}</code>
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</div>
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</div>
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{/* Expand/collapse icon */}
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<div className={`${colors.text} transition-transform duration-200`}>
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{expanded ? <ChevronDown className="w-4 h-4" /> : <ChevronRight className="w-4 h-4" />}
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</div>
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</button>
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{/* Expandable details */}
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{expanded && (
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<div className="border-t border-dark-700/50 p-3 bg-dark-900/50">
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<pre className="text-xs text-dark-400 overflow-x-auto whitespace-pre-wrap">
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{typeof input === 'string' ? input : JSON.stringify(input, null, 2)}
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</pre>
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</div>
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)}
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</div>
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);
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}
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function ToolResultCard({ content, isSuccess = true }) {
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const [expanded, setExpanded] = useState(false);
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// Defensive: handle undefined/null content
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let contentStr = '';
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if (content === undefined || content === null) {
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contentStr = '(no content)';
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} else if (typeof content === 'string') {
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contentStr = content;
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} else if (Array.isArray(content)) {
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// Content might be an array of content blocks
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contentStr = content.map(c => {
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if (typeof c === 'string') return c;
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if (c?.type === 'text') return c.text || '';
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return JSON.stringify(c);
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}).join('\n');
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} else {
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contentStr = JSON.stringify(content, null, 2);
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}
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const isLong = contentStr.length > 200;
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const preview = contentStr.substring(0, 200);
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const lines = contentStr.split('\n').length;
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const chars = contentStr.length;
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return (
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<div className={`ml-11 message-enter rounded-lg border overflow-hidden transition-all duration-200
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${isSuccess ? 'border-green-500/30 bg-green-500/10' : 'border-red-500/30 bg-red-500/10'}`}>
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{/* Header */}
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<button
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onClick={() => setExpanded(!expanded)}
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className="w-full flex items-center gap-3 p-2.5 text-left hover:bg-white/5 transition-colors"
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>
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<div className={`w-7 h-7 rounded-md flex items-center justify-center flex-shrink-0
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${isSuccess ? 'bg-green-500/20 border border-green-500/30' : 'bg-red-500/20 border border-red-500/30'}`}>
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<CheckCircle className={`w-4 h-4 ${isSuccess ? 'text-green-400' : 'text-red-400'}`} />
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</div>
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<div className="flex-1 min-w-0">
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<div className="flex items-center gap-2">
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<span className={`text-xs font-medium ${isSuccess ? 'text-green-400' : 'text-red-400'}`}>
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{isSuccess ? 'Success' : 'Error'}
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</span>
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<span className="text-dark-600">•</span>
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<span className="text-xs text-dark-500">{lines} lines, {chars} chars</span>
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</div>
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{!expanded && isLong && (
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<div className="text-xs text-dark-500 truncate mt-0.5">{preview}...</div>
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)}
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</div>
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<div className={`transition-transform duration-200 ${isSuccess ? 'text-green-400' : 'text-red-400'}`}>
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{expanded ? <ChevronDown className="w-4 h-4" /> : <ChevronRight className="w-4 h-4" />}
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</div>
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</button>
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{/* Expandable content */}
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{expanded && (
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<div className="border-t border-dark-700/50 p-3 bg-dark-900/50 max-h-96 overflow-y-auto">
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<pre className="text-xs text-dark-400 whitespace-pre-wrap">{contentStr}</pre>
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</div>
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)}
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</div>
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);
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}
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Block a user