AI-ассистент для вашего сайта

import { anthropic } from '@ai-sdk/anthropic';
import { streamText } from 'ai';

export async function POST(req: Request) {
  const { messages } = await req.json();

  const result = streamText({
    model: anthropic('claude-sonnet-4-20250514'),
    system: `You are a helpful sales assistant...
      Be friendly, answer product questions,
      and help customers find what they need.`,
    messages,
  });

  return result.toDataStreamResponse();
}

'use client';
import { useChat } from 'ai/react';
import { Bot, Send, X } from 'lucide-react';
import { useState } from 'react';

export default function ChatWidget() {
  const [open, setOpen] = useState(false);
  const { messages, input, handleInputChange,
    handleSubmit, isLoading } = useChat();

  // ... floating button + chat window
}

# Anthropic API Key
ANTHROPIC_API_KEY=sk-ant-...

# Database (PostgreSQL)
DATABASE_URL=postgresql://user:pass@localhost:5432/ai_bot

# App URL
NEXT_PUBLIC_APP_URL=http://localhost:3000