diff --git a/backend/.gitignore b/backend/.gitignore
index a53cd4f..7132e9f 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -26,4 +26,7 @@ yarn-error.log*
 
 # Coverage directory used by tools like istanbul
 coverage/
-coverage.json
\ No newline at end of file
+coverage.json
+
+# Sessions directory
+sessions/
\ No newline at end of file
diff --git a/backend/contracts/MyContract.sol b/backend/contracts/MyContract.sol
index e50c519..bfd5520 100644
--- a/backend/contracts/MyContract.sol
+++ b/backend/contracts/MyContract.sol
@@ -5,6 +5,11 @@ import "@openzeppelin/contracts/access/Ownable.sol";
 import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
 
 contract MyContract is Ownable, ReentrancyGuard {
+    // Явно объявляем функцию owner
+    function owner() public view override returns (address) {
+        return super.owner();
+    }
+
     uint256 public price;
     
     event Purchase(address buyer, uint256 amount);
diff --git a/backend/migrations/init.sql b/backend/migrations/init.sql
index 9341fb4..850a29a 100644
--- a/backend/migrations/init.sql
+++ b/backend/migrations/init.sql
@@ -12,7 +12,7 @@ CREATE TABLE IF NOT EXISTS users (
 DROP TABLE IF EXISTS documents;
 CREATE TABLE documents (
     id bigserial PRIMARY KEY,
-    content text,
+    content text NOT NULL,
     metadata jsonb,
     embedding vector(4096)
 );
@@ -24,7 +24,8 @@ CREATE TABLE IF NOT EXISTS chat_history (
     message TEXT NOT NULL,
     response TEXT NOT NULL,
     context_docs INTEGER[],
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    is_approved BOOLEAN DEFAULT false
 );
 
 -- Даем права пользователю
@@ -37,4 +38,7 @@ UPDATE users SET address = LOWER(address);
 -- Удаляем дубликаты
 DELETE FROM users a USING users b
 WHERE a.id > b.id 
-AND LOWER(a.address) = LOWER(b.address); 
\ No newline at end of file
+AND LOWER(a.address) = LOWER(b.address);
+
+ALTER TABLE chat_history 
+ADD COLUMN IF NOT EXISTS is_approved BOOLEAN DEFAULT false; 
\ No newline at end of file
diff --git a/backend/routes/api.js b/backend/routes/api.js
index 4a25f35..bd8e055 100644
--- a/backend/routes/api.js
+++ b/backend/routes/api.js
@@ -7,6 +7,9 @@ const { RunnableSequence } = require('@langchain/core/runnables');
 const { StringOutputParser } = require('@langchain/core/output_parsers');
 const { PromptTemplate } = require('@langchain/core/prompts');
 const { Pool } = require('pg');
+const { ethers } = require('ethers');
+const contractABI = require('../artifacts/contracts/MyContract.sol/MyContract.json').abi;
+const crypto = require('crypto');
 require('dotenv').config();
 
 const pool = new Pool({
@@ -16,30 +19,117 @@ const pool = new Pool({
 
 const chat = new ChatOllama({
   model: 'mistral',
-  baseUrl: 'http://localhost:11434'
+  baseUrl: 'http://localhost:11434',
+  temperature: 0.7,
+  format: 'json'
 });
 
 const embeddings = new OllamaEmbeddings({
   model: 'mistral',
-  baseUrl: 'http://localhost:11434'
+  baseUrl: 'http://localhost:11434',
+  requestOptions: {
+    headers: {
+      'Content-Type': 'application/json'
+    }
+  },
+  dimensions: 4096,
+  stripNewLines: true,
+  maxConcurrency: 1,
+  maxRetries: 3,
+  timeout: 10000
 });
 
 let vectorStore;
+let contract;
 
 async function initVectorStore() {
-  vectorStore = await PGVectorStore.initialize(
-    embeddings,
-    {
-      postgresConnectionOptions: {
-        connectionString: process.env.DATABASE_URL
+  try {
+    console.log('Начинаем инициализацию векторного хранилища...');
+    vectorStore = await PGVectorStore.initialize(
+      embeddings,
+      {
+        postgresConnectionOptions: {
+          connectionString: process.env.DATABASE_URL
+        },
+        tableName: 'documents',
+        columns: {
+          idColumnName: 'id',
+          vectorColumnName: 'embedding',
+          contentColumnName: 'content',
+          metadataColumnName: 'metadata',
+        }
+      }
+    );
+    console.log('Векторное хранилище инициализировано:', {
+      tableName: 'documents',
+      columns: {
+        structure: (await pool.query(`
+          SELECT 
+            column_name,
+            data_type,
+            is_nullable,
+            column_default
+          FROM information_schema.columns 
+          WHERE table_name = 'documents'
+          ORDER BY ordinal_position
+        `)).rows.map(row => ({
+          name: row.column_name,
+          type: row.data_type,
+          nullable: row.is_nullable,
+          default: row.column_default
+        }))
       },
-      tableName: 'documents'
+      config: {
+        tableName: vectorStore.tableName,
+        columns: vectorStore.columns,
+        client: vectorStore.client ? 'Connected' : 'Not connected',
+        embeddings: vectorStore.embeddings ? 'Initialized' : 'Not initialized'
+      }
+    });
+  } catch (error) {
+    console.error('Ошибка инициализации векторного хранилища:', error);
+    throw error;
+  }
+}
+
+async function initContract() {
+  try {
+    const provider = new ethers.JsonRpcProvider(process.env.ETHEREUM_NETWORK_URL);
+    // Проверяем подключение к сети
+    const network = await provider.getNetwork();
+    console.log('Подключены к сети:', network.chainId);
+
+    contract = new ethers.Contract(
+      process.env.CONTRACT_ADDRESS,
+      contractABI,
+      provider
+    );
+
+    // Проверяем что контракт существует
+    const code = await provider.getCode(process.env.CONTRACT_ADDRESS);
+    if (code === '0x') {
+      throw new Error('Contract not deployed at this address');
     }
-  );
+
+    // Проверяем подключение
+    const owner = await contract.owner();
+    console.log('Владелец контракта:', owner);
+    console.log('Контракт инициализирован:', process.env.CONTRACT_ADDRESS);
+  } catch (error) {
+    console.error('Ошибка инициализации контракта:', error);
+    // Если контракт не найден, не пытаемся переподключиться
+    if (error.message.includes('not deployed')) {
+      console.error('Контракт не найден по указанному адресу');
+      return;
+    }
+    // Пробуем переподключиться через 5 секунд
+    setTimeout(initContract, 5000);
+  }
 }
 
 // Инициализируем при старте
 initVectorStore().catch(console.error);
+initContract().catch(console.error);
 
 // Проверяем подключение к БД при старте
 pool.connect((err, client, release) => {
@@ -59,16 +149,38 @@ function requireAuth(req, res, next) {
   next();
 }
 
+// Генерация случайного nonce
+function generateNonce() {
+  return crypto.randomBytes(16).toString('base64').replace(/[^a-zA-Z0-9]/g, '');
+}
+
+// Получение nonce для подписи
+router.get('/nonce', (req, res) => {
+  try {
+    setCorsHeaders(res);
+    const nonce = generateNonce();
+    console.log('Сгенерирован новый nonce:', nonce);
+    res.json({ nonce });
+  } catch (error) {
+    console.error('Ошибка генерации nonce:', error);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Верификация подписи
 router.post('/verify', async (req, res) => {
   try {
     const { message, signature } = req.body;
     
-    // ... верификация подписи ...
-    
-    // Сохраняем в сессию
-    req.session.authenticated = true;
-    req.session.siwe = message;
-    req.session.userAddress = message.address;
+    // Обновляем данные сессии
+    Object.assign(req.session, {
+      authenticated: true,
+      siwe: message,
+      userAddress: message.address,
+      cookie: {
+        maxAge: 7 * 24 * 60 * 60 * 1000
+      }
+    });
     
     // Ждем сохранения
     await new Promise((resolve) => {
@@ -81,7 +193,20 @@ router.post('/verify', async (req, res) => {
       address: req.session.userAddress
     });
 
-    res.json({ ok: true });
+    // Проверяем права админа сразу после входа
+    const contractOwner = await contract.owner();
+    const isAdmin = message.address.toLowerCase() === contractOwner.toLowerCase();
+    
+    console.log('Проверка прав после входа:', {
+      userAddress: message.address,
+      contractOwner,
+      isAdmin
+    });
+
+    res.json({ 
+      ok: true,
+      isAdmin
+    });
   } catch (error) {
     console.error('Verify error:', error);
     res.status(400).json({ error: error.message });
@@ -89,13 +214,13 @@ router.post('/verify', async (req, res) => {
 });
 
 // Создаем шаблон промпта для RAG
-const TEMPLATE = `Вы - ассистент в DApp приложении. 
-Используйте этот контекст для ответа на вопрос:
-{context}
+const TEMPLATE = `Вы - ассистент в DApp приложении. Используйте следующий контекст для ответа:
 
-Вопрос: {question}
+Контекст: {context}
+Вопрос пользователя: {question}
 
-Ответ должен быть полезным, точным и основанным на предоставленном контексте.`;
+Отвечайте кратко и по существу, основываясь на предоставленном контексте. Если контекст пустой или не релевантный,
+используйте свои базовые знания о DApp и блокчейне.`;
 
 const prompt = PromptTemplate.fromTemplate(TEMPLATE);
 
@@ -103,106 +228,145 @@ const prompt = PromptTemplate.fromTemplate(TEMPLATE);
 const chain = RunnableSequence.from([
   {
     context: async (input) => {
-      const results = await vectorStore.similaritySearch(input.question);
-      return results.map(doc => doc.content).join('\n\n');
+      try {
+        const results = await vectorStore.similaritySearch(
+          input.question,
+          1,
+          { type: 'approved_chat' }
+        );
+        if (!results.length) return '';
+        return results
+          .filter(doc => doc.pageContent)
+          .map(doc => doc.pageContent)
+          .join('\n\n');
+      } catch (error) {
+        console.error('Ошибка поиска контекста:', error);
+        return '';
+      }
     },
-    question: (input) => input.question
+    question: (input) => input.message
   },
   prompt,
   chat,
   new StringOutputParser()
 ]);
 
+// Функция проверки работоспособности эмбеддингов
+async function checkEmbeddings() {
+  try {
+    const testEmbed = await embeddings.embedQuery('test');
+    console.log('Эмбеддинги работают, размерность:', testEmbed.length);
+    if (testEmbed.length !== 4096) {
+      throw new Error(`Неверная размерность: ${testEmbed.length}, ожидалось: 4096`);
+    }
+    return true;
+  } catch (error) {
+    console.error('Ошибка эмбеддингов:', error);
+    return false;
+  }
+}
+
 router.post('/chat', requireAuth, async (req, res) => {
   try {
-    if (req.session.siwe.address.toLowerCase() !== req.body.userAddress.toLowerCase()) {
-      return res.status(401).json({ 
-        error: 'Address mismatch' 
-      });
-    }
-
-    if (!vectorStore) {
-      throw new Error('Vector store not initialized');
-    }
-    const { message, userAddress } = req.body;
-    console.log('Session in chat:', req.session);
-    console.log('User address:', userAddress);
+    const { message } = req.body;
+    const userAddress = req.session.siwe.address;
 
     // Получаем или создаем пользователя
-    let user = await pool.query(
-      'INSERT INTO users (address) VALUES (LOWER($1)) ON CONFLICT (address) DO UPDATE SET address = LOWER($1) RETURNING id',
+    let userResult = await pool.query(
+      'SELECT id FROM users WHERE LOWER(address) = LOWER($1)',
       [userAddress]
     );
-    const userId = user.rows[0].id;
+    
+    if (userResult.rows.length === 0) {
+      userResult = await pool.query(
+        'INSERT INTO users (address) VALUES (LOWER($1)) RETURNING id',
+        [userAddress]
+      );
+    }
+    
+    const userId = userResult.rows[0].id;
 
-    // Получаем релевантные документы для контекста
-    const results = await vectorStore.similaritySearch(message);
-    console.log('Found documents:', results);
-    const contextIds = results.map(doc => doc.id);
-
-    const response = await chain.invoke({
+    // Создаем входные данные для chain
+    const input = {
+      message: message,
       question: message
-    });
+    };
 
-    // Сохраняем историю
-    await pool.query(
-      'INSERT INTO chat_history (user_id, message, response, context_docs) VALUES ($1, $2, $3, $4)',
-      [userId, message, response, contextIds]
-    );
+    // Проверяем эмбеддинги перед использованием
+    if (!await checkEmbeddings()) {
+      console.warn('Embeddings service unavailable, continuing without context');
+      try {
+        const response = await chain.invoke(input);
+        
+        // Сохраняем в базу без контекста
+        await pool.query(
+          'INSERT INTO chat_history (user_id, message, response) VALUES ($1, $2, $3)',
+          [userId, message, response]
+        );
+        
+        return res.json({ response });
+      } catch (error) {
+        console.error('Ошибка генерации ответа:', error);
+        throw error;
+      }
+    }
 
-    res.json({ response: response });
+    const response = await chain.invoke(input);
+
+    // Сохраняем в базу с обработкой ошибок
+    try {
+      // Получаем похожие документы
+      const similarDocs = await vectorStore.similaritySearch(
+        message,
+        1,
+        { type: 'approved_chat' }
+      );
+      
+      // Извлекаем ID чатов из метаданных
+      const contextIds = similarDocs
+        .map(doc => doc.metadata?.chatId)
+        .filter(id => typeof id === 'number');
+
+      await pool.query(
+        'INSERT INTO chat_history (user_id, message, response, context_docs) VALUES ($1, $2, $3, $4::integer[])',
+        [userId, message, response, contextIds]
+      );
+    } catch (dbError) {
+      console.error('Ошибка сохранения в БД:', dbError);
+      // Продолжаем выполнение даже при ошибке сохранения
+    }
+
+    res.json({ response });
   } catch (error) {
     console.error('Ошибка чата:', error);
-    if (error.code === 'unsupported_country_region_territory') {
-      return res.status(503).json({ 
-        error: 'Сервис временно недоступен в вашем регионе' 
-      });
-    }
-    res.status(500).json({ error: 'Ошибка сервера' });
+    res.status(500).json({ 
+      error: error.message,
+      details: error.stack
+    });
   }
 });
 
 // Получение истории чата
 router.get('/chat/history', requireAuth, async (req, res) => {
   try {
-    const userAddress = req.session.siwe.address;
-    console.log('Запрос истории чата для:', userAddress);
+    setCorsHeaders(res);
     
-    // Получаем ID пользователя
-    const userResult = await pool.query(
-      'SELECT id FROM users WHERE LOWER(address) = LOWER($1) ORDER BY created_at ASC LIMIT 1',
-      [userAddress]
-    );
-    console.log('Найден пользователь:', userResult.rows);
-
-    if (userResult.rows.length === 0) {
-      return res.status(404).json({ error: 'User not found' });
-    }
-
-    const userId = userResult.rows[0].id;
-
-    // Получаем историю чата
-    const history = await pool.query(
-      `SELECT 
-        ch.id,
-        LOWER(u.address) as address,
-        ch.message,
-        ch.response,
-        ch.created_at
+    const userAddress = req.session.siwe.address;
+    
+    // Получаем историю чата пользователя
+    const result = await pool.query(
+      `SELECT ch.* 
       FROM chat_history ch
       JOIN users u ON ch.user_id = u.id
-      WHERE ch.user_id = $1
-      ORDER BY created_at DESC`,
-      [userId]
+      WHERE LOWER(u.address) = LOWER($1)
+      ORDER BY ch.created_at DESC`,
+      [userAddress]
     );
-    console.log('История чата:', history.rows);
-
-    res.json({ 
-      history: history.rows 
-    });
+    
+    res.json({ history: result.rows });
   } catch (error) {
     console.error('Ошибка получения истории:', error);
-    res.status(500).json({ error: 'Ошибка сервера' });
+    res.status(500).json({ error: 'Server error' });
   }
 });
 
@@ -221,4 +385,433 @@ router.get('/users', requireAuth, async (req, res) => {
   }
 });
 
+// Проверка на админа
+router.get('/admin/check', requireAuth, async (req, res) => {
+  try {
+    if (!contract) {
+      await initContract();
+      if (!contract) {
+        throw new Error('Contract not initialized');
+      }
+    }
+    
+    // Получаем адрес из сессии
+    const userAddress = req.session.siwe.address;
+    console.log('Проверка админа, адрес из сессии:', userAddress);
+    
+    const contractOwner = await contract.owner();
+    console.log('Проверка админа:', {
+      userAddress,
+      contractOwner
+    });
+    
+    const isAdmin = userAddress.toLowerCase() === contractOwner.toLowerCase();
+    console.log('Результат проверки админа:', isAdmin);
+    
+    res.json({ isAdmin });
+  } catch (error) {
+    console.error('Ошибка проверки админа:', error);
+    res.status(500).json({ 
+      error: 'Server error',
+      details: error.message,
+      code: error.code
+    });
+  }
+});
+
+// Общая функция для установки CORS заголовков
+function setCorsHeaders(res) {
+  res.header('Access-Control-Allow-Origin', 'http://127.0.0.1:5173');
+  res.header('Access-Control-Allow-Credentials', 'true');
+  res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
+  res.header('Access-Control-Allow-Headers', 'Content-Type, Accept');
+}
+
+// Получение всех чатов для админа
+router.get('/admin/chats', requireAdmin, async (req, res) => {
+  try {
+    setCorsHeaders(res);
+
+    const chats = await pool.query(`
+      SELECT 
+        ch.id,
+        LOWER(u.address) as address,
+        ch.message,
+        ch.response,
+        ch.created_at,
+        ch.context_docs,
+        EXISTS (
+          SELECT 1 FROM documents d 
+          WHERE d.metadata->>'chatId' = ch.id::text 
+          AND d.metadata->>'type' = 'approved_chat'
+        ) as is_approved
+      FROM chat_history ch
+      JOIN users u ON ch.user_id = u.id
+      ORDER BY ch.created_at DESC
+    `);
+
+    console.log('Получено чатов:', chats.rows.length);
+    if (chats.rows.length > 0) {
+      console.log('Пример чата:', {
+        id: chats.rows[0].id,
+        address: chats.rows[0].address,
+        is_approved: chats.rows[0].is_approved
+      });
+    }
+
+    res.json({ chats: chats.rows });
+  } catch (error) {
+    console.error('Ошибка получения чатов:', error);
+    res.status(500).json({ 
+      error: 'Server error',
+      details: error.message
+    });
+  }
+});
+
+// Одобрение чата для обучения
+router.post('/admin/approve', requireAuth, async (req, res) => {
+  try {
+    const userAddress = req.session.siwe.address;
+    const contractOwner = await contract.owner();
+    
+    if (userAddress.toLowerCase() !== contractOwner.toLowerCase()) {
+      return res.status(403).json({ error: 'Not authorized' });
+    }
+
+    const { chatId } = req.body;
+    
+    // Обновляем статус в базе
+    await pool.query(
+      'UPDATE chat_history SET is_approved = true WHERE id = $1',
+      [chatId]
+    );
+
+    // Добавляем в векторное хранилище для обучения
+    const chat = await pool.query(
+      `SELECT message, response FROM chat_history WHERE id = $1`,
+      [chatId]
+    );
+
+    if (chat.rows.length > 0) {
+      const { message, response } = chat.rows[0];
+      console.log('Добавляем в векторное хранилище:', {
+        message: message.substring(0, 50) + '...',
+        response: response.substring(0, 50) + '...',
+        chatId
+      });
+
+      const document = {
+        pageContent: `Q: ${message}\nA: ${response}`,
+        metadata: {
+          type: 'approved_chat',
+          approvedBy: userAddress,
+          chatId: chatId
+        }
+      };
+
+      // Проверяем работу эмбеддингов
+      try {
+        const testEmbedding = await embeddings.embedQuery('test');
+        console.log('Эмбеддинги работают, размерность:', testEmbedding.length);
+      } catch (error) {
+        console.error('Ошибка проверки эмбеддингов:', error);
+        throw new Error('Embeddings error: ' + error.message);
+      }
+
+      console.log('Документ для добавления:', {
+        pageContent: document.pageContent.substring(0, 100) + '...',
+        metadata: document.metadata,
+        vectorStore: {
+          tableName: vectorStore.tableName,
+          columns: vectorStore.columns
+        }
+      });
+
+      // Проверяем существование таблицы и её структуру
+      const tableInfo = await pool.query(`
+        SELECT EXISTS (
+          SELECT FROM information_schema.tables 
+          WHERE table_name = 'documents'
+        );
+      `);
+      console.log('Таблица documents существует:', tableInfo.rows[0].exists);
+
+      if (tableInfo.rows[0].exists) {
+        const columns = await pool.query(`
+          SELECT column_name, data_type
+          FROM information_schema.columns
+          WHERE table_name = 'documents'
+          ORDER BY ordinal_position;
+        `);
+        console.log('Структура таблицы documents:', 
+          columns.rows.map(row => `${row.column_name} (${row.data_type})`)
+        );
+      }
+
+      await vectorStore.addDocuments([
+        document
+      ]);
+
+      // Проверяем, что документ добавлен
+      const added = await vectorStore.similaritySearch(
+        document.pageContent,
+        1,
+        { chatId: chatId }
+      );
+      console.log('Проверка добавления документа:', {
+        found: added.length > 0,
+        document: added[0]?.pageContent.substring(0, 100) + '...'
+      });
+
+      console.log('Успешно добавлено в векторное хранилище');
+    }
+
+    res.json({ success: true });
+  } catch (error) {
+    console.error('Ошибка одобрения:', error);
+    res.status(500).json({ 
+      error: 'Server error',
+      details: error.message,
+      code: error.code
+    });
+  }
+});
+
+// Улучшаем проверку авторизации админа
+async function requireAdmin(req, res, next) {
+  if (!req.session?.siwe?.address) {
+    return res.status(401).json({ 
+      error: 'Not authenticated',
+      details: 'Please sign in first'
+    });
+  }
+  
+  try {
+    // Получаем адреса
+    const userAddress = req.session.siwe.address;
+    const contractOwner = await contract.owner();
+    
+    console.log('Проверка админа:', {
+      userAddress: userAddress,
+      contractOwner: contractOwner
+    });
+    
+    if (userAddress.toLowerCase() !== contractOwner.toLowerCase()) {
+      return res.status(403).json({
+        error: 'Not authorized',
+        details: 'Only contract owner can access this endpoint'
+      });
+    }
+    
+    next();
+  } catch (error) {
+    console.error('Ошибка проверки админа:', error);
+    return res.status(500).json({
+      error: 'Server error',
+      details: error.message
+    });
+  }
+}
+
+// Получение векторного хранилища для админа
+router.get('/admin/vectors', requireAdmin, async (req, res) => {
+  try {
+    setCorsHeaders(res);
+
+    // Добавляем колонку created_at если её нет
+    await pool.query(`
+      ALTER TABLE documents 
+      ADD COLUMN IF NOT EXISTS created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+    `);
+    console.log('Проверена/добавлена колонка created_at');
+
+    // Проверяем структуру таблицы
+    const tableInfo = await pool.query(`
+      SELECT column_name, data_type 
+      FROM information_schema.columns 
+      WHERE table_name = 'documents'
+    `);
+    console.log('Структура таблицы documents:', tableInfo.rows);
+
+    // Получаем все документы из векторного хранилища
+    const documents = await pool.query(`
+      SELECT 
+        d.id,
+        d.content,
+        d.metadata,
+        length(d.embedding::text) as embedding_size,
+        COALESCE(d.created_at, CURRENT_TIMESTAMP) as created_at,
+        CASE 
+          WHEN d.metadata->>'type' = 'approved_chat' THEN true
+          ELSE false
+        END as is_approved
+      FROM documents d
+      ORDER BY d.created_at DESC NULLS LAST
+    `);
+
+    // Форматируем ответ
+    const vectors = documents.rows.map(doc => ({
+      id: doc.id,
+      content: doc.content,
+      metadata: doc.metadata,
+      embedding_size: doc.embedding ? 4096 : 0, // Фиксированный размер для mistral
+      created: doc.created_at,
+      is_approved: doc.is_approved
+    }));
+
+    console.log('Получено векторов:', vectors.length);
+    console.log('Пример вектора:', vectors[0]);
+    res.json({ vectors });
+  } catch (error) {
+    console.error('Ошибка получения векторов:', error);
+    console.error('Детали ошибки:', {
+      code: error.code,
+      detail: error.detail,
+      hint: error.hint,
+      position: error.position
+    });
+    res.status(500).json({ 
+      error: 'Server error',
+      details: error.message,
+      code: error.code
+    });
+  }
+});
+
+// Обработка CORS preflight запросов для админских роутов
+router.options('/admin/*', (req, res) => {
+  setCorsHeaders(res);
+  res.sendStatus(200);
+});
+
+// Очистка кэша и данных
+router.post('/admin/clear-cache', requireAdmin, async (req, res) => {
+  try {
+    setCorsHeaders(res);
+
+    // Очищаем таблицы
+    await pool.query('TRUNCATE TABLE documents CASCADE');
+    await pool.query('TRUNCATE TABLE chat_history CASCADE');
+    await pool.query('TRUNCATE TABLE users CASCADE');
+
+    // Сбрасываем автоинкремент
+    await pool.query('ALTER SEQUENCE documents_id_seq RESTART WITH 1');
+    await pool.query('ALTER SEQUENCE chat_history_id_seq RESTART WITH 1');
+    await pool.query('ALTER SEQUENCE users_id_seq RESTART WITH 1');
+
+    // Реинициализируем векторное хранилище
+    await initVectorStore();
+
+    console.log('Кэш и данные очищены');
+    res.json({ success: true });
+  } catch (error) {
+    console.error('Ошибка очистки кэша:', error);
+    res.status(500).json({ 
+      error: 'Server error',
+      details: error.message
+    });
+  }
+});
+
+// Выход из системы
+router.post('/signout', requireAuth, async (req, res) => {
+  try {
+    setCorsHeaders(res);
+    
+    // Уничтожаем сессию
+    req.session.destroy((err) => {
+      if (err) {
+        console.error('Ошибка при удалении сессии:', err);
+        return res.status(500).json({ error: 'Failed to destroy session' });
+      }
+      
+      console.log('Сессия успешно завершена');
+      res.json({ success: true });
+    });
+  } catch (error) {
+    console.error('Ошибка выхода:', error);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Проверка сессии
+router.get('/session', (req, res) => {
+  try {
+    setCorsHeaders(res);
+    
+    if (req.session?.authenticated && req.session?.siwe?.address) {
+      res.json({
+        authenticated: true,
+        address: req.session.siwe.address
+      });
+    } else {
+      res.json({
+        authenticated: false
+      });
+    }
+  } catch (error) {
+    console.error('Ошибка проверки сессии:', error);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Создание нового пользователя
+router.post('/users', async (req, res) => {
+  try {
+    setCorsHeaders(res);
+    
+    const { address } = req.body;
+    
+    // Проверяем существование пользователя
+    const existingUser = await pool.query(
+      'SELECT * FROM users WHERE address = $1',
+      [address.toLowerCase()]
+    );
+    
+    if (existingUser.rows.length > 0) {
+      return res.json({ user: existingUser.rows[0] });
+    }
+    
+    // Создаем нового пользователя
+    const result = await pool.query(
+      'INSERT INTO users (address) VALUES ($1) RETURNING *',
+      [address.toLowerCase()]
+    );
+    
+    res.json({ user: result.rows[0] });
+  } catch (error) {
+    console.error('Ошибка создания пользователя:', error);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Создание необходимых таблиц при старте
+async function initializeTables() {
+  try {
+    await pool.query(`
+      CREATE TABLE IF NOT EXISTS users (
+        id SERIAL PRIMARY KEY,
+        address VARCHAR(42) NOT NULL UNIQUE,
+        created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+      );
+      
+      CREATE TABLE IF NOT EXISTS chat_history (
+        id SERIAL PRIMARY KEY,
+        user_id INTEGER REFERENCES users(id),
+        message TEXT,
+        response TEXT,
+        is_user BOOLEAN DEFAULT true,
+        created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+      );
+    `);
+    console.log('Таблицы успешно инициализированы');
+  } catch (error) {
+    console.error('Ошибка инициализации таблиц:', error);
+  }
+}
+
+// Вызываем инициализацию при старте
+initializeTables();
+
 module.exports = router; 
\ No newline at end of file
diff --git a/backend/sessions/MQ7gY14YfnCv8X0bQKUNjZjITzdTWz58.json b/backend/sessions/MQ7gY14YfnCv8X0bQKUNjZjITzdTWz58.json
index 2777518..be1bed4 100644
--- a/backend/sessions/MQ7gY14YfnCv8X0bQKUNjZjITzdTWz58.json
+++ b/backend/sessions/MQ7gY14YfnCv8X0bQKUNjZjITzdTWz58.json
@@ -1 +1 @@
-{"cookie":{"originalMaxAge":2591999999,"expires":"2025-03-23T16:06:19.831Z","secure":false,"httpOnly":true,"domain":"127.0.0.1","path":"/","sameSite":"lax"},"nonce":null,"__lastAccess":1740153979832,"siwe":{"domain":"127.0.0.1:5173","address":"0xF45aa4917b3775bA37f48Aeb3dc1a943561e9e0B","statement":"Sign in with Ethereum to access DApp features and AI Assistant","uri":"http://127.0.0.1:5173","version":"1","nonce":"u7P3wT2kyPmGb4Z0I","issuedAt":"2025-02-21T16:05:49.561Z","chainId":11155111,"resources":["http://127.0.0.1:5173/api/chat","http://127.0.0.1:5173/api/contract"]},"authenticated":true}
\ No newline at end of file
+{"cookie":{"originalMaxAge":2591999999,"expires":"2025-03-24T09:38:02.826Z","secure":false,"httpOnly":true,"domain":"127.0.0.1","path":"/","sameSite":"lax"},"nonce":null,"__lastAccess":1740217082827,"siwe":{"domain":"127.0.0.1:5173","address":"0xF45aa4917b3775bA37f48Aeb3dc1a943561e9e0B","statement":"Sign in with Ethereum to access DApp features and AI Assistant","uri":"http://127.0.0.1:5173","version":"1","nonce":"3ZIxF8sn0dDIbwWZz","issuedAt":"2025-02-22T09:37:59.804Z","chainId":11155111,"resources":["http://127.0.0.1:5173/api/chat","http://127.0.0.1:5173/api/contract"]},"authenticated":true}
\ No newline at end of file
diff --git a/backend/yarn.lock b/backend/yarn.lock
index cebe1a7..4c12f1d 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -195,9 +195,9 @@
   integrity sha512-vBZP4NlzfOlerQTnba4aqZoMhE/a9HY7HRqoOPaETQcSQuWEIyZMHGfVu6w9wGtGK5fED5qRs2DteVCjOH60sA==
 
 "@langchain/community@^0.3.31":
-  version "0.3.31"
-  resolved "https://registry.yarnpkg.com/@langchain/community/-/community-0.3.31.tgz#6c7a52091a4f26fd044ce04b059dec083d1ab0d2"
-  integrity sha512-VsqZBQdJqJ8LeBjmVAAujpGQaSYjSXItb8uyWzoq/+fQkpq7UjWGnKWDkY65kBYPNDf6ShwjUdGiLm2yuyefzQ==
+  version "0.3.32"
+  resolved "https://registry.yarnpkg.com/@langchain/community/-/community-0.3.32.tgz#aa415ebfd51f10610f3abaa4127dae197f29cdc7"
+  integrity sha512-5AvGyjIFheXdBUSiIWNwc40rI8fXYiHV0UA3ncbBVu5fTwWur+mAQvl2ZsgyxBBKm4VuoCcuh6U6I7b1kiOYBQ==
   dependencies:
     "@langchain/openai" ">=0.2.0 <0.5.0"
     binary-extensions "^2.2.0"
@@ -612,9 +612,9 @@
     form-data "^4.0.0"
 
 "@types/node@*":
-  version "22.13.4"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-22.13.4.tgz#3fe454d77cd4a2d73c214008b3e331bfaaf5038a"
-  integrity sha512-ywP2X0DYtX3y08eFVx5fNIw7/uIv8hYUKgXoK8oayJlLnKcRfEYCxWMVE1XagUdVtCJlZT1AU4LXEABW+L1Peg==
+  version "22.13.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-22.13.5.tgz#23add1d71acddab2c6a4d31db89c0f98d330b511"
+  integrity sha512-+lTU0PxZXn0Dr1NBtC7Y8cR21AJr87dLLU953CWA6pMxxv/UDc7jYAY90upcrie1nRcD6XNG5HOYEDtgW5TxAg==
   dependencies:
     undici-types "~6.20.0"
 
@@ -940,7 +940,7 @@ bytes@3.1.2:
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.2.tgz#8b0beeb98605adf1b128fa4386403c009e0221a5"
   integrity sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==
 
-call-bind-apply-helpers@^1.0.1:
+call-bind-apply-helpers@^1.0.1, call-bind-apply-helpers@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz#4b5428c222be985d79c3d82657479dbe0b59b2d6"
   integrity sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==
@@ -1270,7 +1270,7 @@ es-errors@^1.3.0:
   resolved "https://registry.yarnpkg.com/es-errors/-/es-errors-1.3.0.tgz#05f75a25dab98e4fb1dcd5e1472c0546d5057c8f"
   integrity sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==
 
-es-object-atoms@^1.0.0:
+es-object-atoms@^1.0.0, es-object-atoms@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/es-object-atoms/-/es-object-atoms-1.1.1.tgz#1c4f2c4837327597ce69d2ca190a7fdd172338c1"
   integrity sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==
@@ -1584,22 +1584,22 @@ get-func-name@^2.0.0, get-func-name@^2.0.1, get-func-name@^2.0.2:
   integrity sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==
 
 get-intrinsic@^1.2.5, get-intrinsic@^1.2.6:
-  version "1.2.7"
-  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.2.7.tgz#dcfcb33d3272e15f445d15124bc0a216189b9044"
-  integrity sha512-VW6Pxhsrk0KAOqs3WEd0klDiF/+V7gQOpAvY1jVU/LHmaD/kQO4523aiJuikX/QAKYiW6x8Jh+RJej1almdtCA==
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.3.0.tgz#743f0e3b6964a93a5491ed1bffaae054d7f98d01"
+  integrity sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==
   dependencies:
-    call-bind-apply-helpers "^1.0.1"
+    call-bind-apply-helpers "^1.0.2"
     es-define-property "^1.0.1"
     es-errors "^1.3.0"
-    es-object-atoms "^1.0.0"
+    es-object-atoms "^1.1.1"
     function-bind "^1.1.2"
-    get-proto "^1.0.0"
+    get-proto "^1.0.1"
     gopd "^1.2.0"
     has-symbols "^1.1.0"
     hasown "^2.0.2"
     math-intrinsics "^1.1.0"
 
-get-proto@^1.0.0:
+get-proto@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/get-proto/-/get-proto-1.0.1.tgz#150b3f2743869ef3e851ec0c49d15b1d14d00ee1"
   integrity sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==
@@ -2210,9 +2210,9 @@ once@^1.3.0:
     wrappy "1"
 
 openai@^4.77.0, openai@^4.85.2:
-  version "4.85.2"
-  resolved "https://registry.yarnpkg.com/openai/-/openai-4.85.2.tgz#370702c56cd61c17c44c8c02c6a48229d5299903"
-  integrity sha512-ZQg3Q+K4A6M9dLFh5W36paZkZBQO+VbxMNJ1gUSyHsGiEWuXahdn02ermqNV68LhWQxdJQaWUFRAYpW/suTPWQ==
+  version "4.85.4"
+  resolved "https://registry.yarnpkg.com/openai/-/openai-4.85.4.tgz#fdf9d3228967b87221a112993501fa33a98f5d18"
+  integrity sha512-Nki51PBSu+Aryo7WKbdXvfm0X/iKkQS2fq3O0Uqb/O3b4exOZFid2te1BZ52bbO5UwxQZ5eeHJDCTqtrJLPw0w==
   dependencies:
     "@types/node" "^18.11.18"
     "@types/node-fetch" "^2.6.4"
@@ -2800,9 +2800,9 @@ supports-color@^8.1.1:
     has-flag "^4.0.0"
 
 tinyglobby@^0.2.6:
-  version "0.2.11"
-  resolved "https://registry.yarnpkg.com/tinyglobby/-/tinyglobby-0.2.11.tgz#9182cff655a0e272aad850d1a84c5e8e0f700426"
-  integrity sha512-32TmKeeKUahv0Go8WmQgiEp9Y21NuxjwjqiRC1nrUB51YacfSwuB44xgXD+HdIppmMRgjQNPdrHyA6vIybYZ+g==
+  version "0.2.12"
+  resolved "https://registry.yarnpkg.com/tinyglobby/-/tinyglobby-0.2.12.tgz#ac941a42e0c5773bd0b5d08f32de82e74a1a61b5"
+  integrity sha512-qkf4trmKSIiMTs/E63cxH+ojC2unam7rJ0WrauAzpT3ECNTxGRMlaXxVbfxMUC/w0LaYk6jQ4y/nGR9uBO3tww==
   dependencies:
     fdir "^6.4.3"
     picomatch "^4.0.2"
@@ -3083,9 +3083,9 @@ yocto-queue@^0.1.0:
   integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==
 
 zod-to-json-schema@^3.22.3, zod-to-json-schema@^3.22.5, zod-to-json-schema@^3.24.1:
-  version "3.24.2"
-  resolved "https://registry.yarnpkg.com/zod-to-json-schema/-/zod-to-json-schema-3.24.2.tgz#0e24e4a963ab34cf4211ef5227e342c0c6eddb79"
-  integrity sha512-pNUqrcSxuuB3/+jBbU8qKUbTbDqYUaG1vf5cXFjbhGgoUuA1amO/y4Q8lzfOhHU8HNPK6VFJ18lBDKj3OHyDsg==
+  version "3.24.3"
+  resolved "https://registry.yarnpkg.com/zod-to-json-schema/-/zod-to-json-schema-3.24.3.tgz#5958ba111d681f8d01c5b6b647425c9b8a6059e7"
+  integrity sha512-HIAfWdYIt1sssHfYZFCXp4rU1w2r8hVVXYIlmoa0r0gABLs5di3RCqPU5DDROogVz1pAdYBaz7HK5n9pSUNs3A==
 
 zod@^3.22.3, zod@^3.22.4, zod@^3.24.1:
   version "3.24.2"
diff --git a/frontend/index.html b/frontend/index.html
index b6c12ba..c79cf37 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -2,8 +2,19 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
+    <link rel="icon" href="/favicon.ico">
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>DApp for Business</title>
+    <style>
+      body {
+        margin: 0;
+        padding: 0;
+        font-family: Arial, sans-serif;
+        -webkit-font-smoothing: antialiased;
+        -moz-osx-font-smoothing: grayscale;
+        color: #2c3e50;
+      }
+    </style>
   </head>
   <body>
     <div id="app"></div>
diff --git a/frontend/package.json b/frontend/package.json
index b579992..13f52f5 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "frontend",
-  "version": "1.0.0",
+  "version": "0.0.0",
   "private": true,
   "type": "module",
   "scripts": {
@@ -9,11 +9,12 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "ethers": "^6.13.5",
-    "vue": "^3.4.21"
+    "ethers": "^6.11.1",
+    "vue": "^3.4.15",
+    "vue-router": "^4.2.5"
   },
   "devDependencies": {
-    "@vitejs/plugin-vue": "^5.0.4",
-    "vite": "^5.1.7"
+    "@vitejs/plugin-vue": "^5.0.3",
+    "vite": "^5.0.11"
   }
 }
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index 7123ab3..982fd68 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -1,53 +1,149 @@
 <template>
   <div id="app">
-    <h1>DApp for Business</h1>
-    <ContractInteraction ref="contractInteraction" />
-    <AIAssistant 
-      :isConnected="isConnected"
-      :userAddress="userAddress"
-      @chatUpdated="handleChatUpdate"
-    />
-    <ServerControl />
-    <DataTables 
-      :isConnected="isConnected" 
-      :userAddress="userAddress"
-      ref="dataTables"
-    />
+    <div class="app-layout">
+      <Sidebar 
+        v-if="isConnected && isAdmin" 
+        :isAdmin="isAdmin"
+        @update:collapsed="isSidebarCollapsed = $event"
+      />
+      <main class="main-content">
+        <WalletConnection
+          :isConnected="isConnected"
+          :userAddress="userAddress"
+          @connect="handleConnect"
+          @disconnect="handleDisconnect"
+        />
+        <router-view 
+          :userAddress="userAddress"
+          :isConnected="isConnected"
+          :isAdmin="isAdmin"
+          @chatUpdated="handleChatUpdate"
+        />
+      </main>
+    </div>
   </div>
 </template>
 
 <script setup>
-import { ref, watch } from 'vue'
-import ContractInteraction from './components/ContractInteraction.vue'
-import AIAssistant from './components/AIAssistant.vue'
-import ServerControl from './components/ServerControl.vue'
-import DataTables from './components/DataTables.vue'
+import { ref, onMounted, watch } from 'vue'
+import { useRouter } from 'vue-router'
+import WalletConnection from './components/WalletConnection.vue'
+import Sidebar from './components/Sidebar/Sidebar.vue'
 
-const contractInteraction = ref(null)
+const router = useRouter()
 const isConnected = ref(false)
-const userAddress = ref(null)
-const dataTables = ref(null)
+const userAddress = ref('')
+const isAdmin = ref(false)
+const isSidebarCollapsed = ref(false)
 
-watch(() => contractInteraction.value?.isConnected, (newValue) => {
-  isConnected.value = newValue
+// При отключении кошелька перенаправляем на главную
+watch(isConnected, (newValue) => {
+  if (!newValue) {
+    router.push('/')
+  }
 })
 
-watch(() => contractInteraction.value?.address, (newValue) => {
-  userAddress.value = newValue
-})
+// Проверка сессии при загрузке
+async function checkSession() {
+  try {
+    const response = await fetch('http://127.0.0.1:3000/session', {
+      credentials: 'include'
+    })
+    const data = await response.json()
+    
+    if (data.authenticated) {
+      userAddress.value = data.address
+      isConnected.value = true
+      await checkAdminStatus()
+    }
+  } catch (error) {
+    console.error('Ошибка проверки сессии:', error)
+  }
+}
+
+// Проверка прав админа
+async function checkAdminStatus() {
+  try {
+    const response = await fetch('http://127.0.0.1:3000/api/admin/check', {
+      credentials: 'include'
+    })
+    if (response.ok) {
+      const { isAdmin: adminStatus } = await response.json()
+      isAdmin.value = adminStatus
+      console.log('Проверка прав после входа:', {
+        userAddress: userAddress.value,
+        isAdmin: isAdmin.value
+      })
+    }
+  } catch (error) {
+    console.error('Ошибка проверки прав админа:', error)
+  }
+}
+
+async function handleConnect(address) {
+  userAddress.value = address
+  isConnected.value = true
+  await checkAdminStatus()
+}
+
+async function handleDisconnect() {
+  try {
+    // Отправляем запрос на выход
+    await fetch('http://127.0.0.1:3000/signout', {
+      method: 'POST',
+      credentials: 'include'
+    })
+    
+    userAddress.value = ''
+    isConnected.value = false
+    isAdmin.value = false
+  } catch (error) {
+    console.error('Ошибка при отключении:', error)
+  }
+}
 
 function handleChatUpdate() {
-  dataTables.value?.fetchData()
+  if (isAdmin.value) {
+    // Обновляем данные в админской панели
+    // dataTables.value?.fetchData()
+  }
 }
+
+onMounted(() => {
+  checkSession()
+})
 </script>
 
 <style>
 #app {
-  font-family: Arial, sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-  text-align: center;
-  color: #2c3e50;
-  margin-top: 60px;
+  height: 100vh;
+  overflow: hidden;
+}
+
+.app-layout {
+  display: flex;
+  height: 100%;
+}
+
+.main-content {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  padding: 1.5rem 2rem;  /* Соответствует отступам header */
+  margin-left: v-bind("isConnected && isAdmin ? (isSidebarCollapsed ? '80px' : '270px') : '0'");
+  overflow-y: auto;
+  transition: margin-left 0.3s ease;
+  margin-top: 70px; /* Высота header + верхний отступ */
+}
+
+/* Когда сайдбар скрыт */
+.app-layout:not(:has(.sidebar)) .main-content {
+  margin-left: 0;
+  padding-left: 2rem;  /* Сохраняем отступ слева когда сайдбар скрыт */
+}
+
+/* Стили для заголовка */
+h1 {
+  margin-top: 0;
 }
 </style> 
\ No newline at end of file
diff --git a/frontend/src/artifacts/MyContract.json b/frontend/src/artifacts/MyContract.json
new file mode 100644
index 0000000..1b9184e
--- /dev/null
+++ b/frontend/src/artifacts/MyContract.json
@@ -0,0 +1,146 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "MyContract",
+  "sourceName": "contracts/MyContract.sol",
+  "abi": [
+    {
+      "inputs": [],
+      "stateMutability": "nonpayable",
+      "type": "constructor"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "previousOwner",
+          "type": "address"
+        },
+        {
+          "indexed": true,
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "OwnershipTransferred",
+      "type": "event"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {
+          "indexed": false,
+          "internalType": "address",
+          "name": "buyer",
+          "type": "address"
+        },
+        {
+          "indexed": false,
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "Purchase",
+      "type": "event"
+    },
+    {
+      "inputs": [],
+      "name": "getPrice",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "owner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "price",
+      "outputs": [
+        {
+          "internalType": "uint256",
+          "name": "",
+          "type": "uint256"
+        }
+      ],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "amount",
+          "type": "uint256"
+        }
+      ],
+      "name": "purchase",
+      "outputs": [],
+      "stateMutability": "payable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "renounceOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "newPrice",
+          "type": "uint256"
+        }
+      ],
+      "name": "setPrice",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "address",
+          "name": "newOwner",
+          "type": "address"
+        }
+      ],
+      "name": "transferOwnership",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "withdraw",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "0x608060405234801561001057600080fd5b5061002d61002261004760201b60201c565b61004f60201b60201c565b60018081905550662386f26fc10000600281905550610113565b600033905090565b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff169050816000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055508173ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a35050565b610a49806101226000396000f3fe60806040526004361061007b5760003560e01c806398d5fdca1161004e57806398d5fdca14610102578063a035b1fe1461012d578063efef39a114610158578063f2fde38b146101745761007b565b80633ccfd60b14610080578063715018a6146100975780638da5cb5b146100ae57806391b7f5ed146100d9575b600080fd5b34801561008c57600080fd5b5061009561019d565b005b3480156100a357600080fd5b506100ac61026b565b005b3480156100ba57600080fd5b506100c361027f565b6040516100d091906105da565b60405180910390f35b3480156100e557600080fd5b5061010060048036038101906100fb9190610630565b61028e565b005b34801561010e57600080fd5b506101176102a0565b604051610124919061066c565b60405180910390f35b34801561013957600080fd5b506101426102aa565b60405161014f919061066c565b60405180910390f35b610172600480360381019061016d9190610630565b6102b0565b005b34801561018057600080fd5b5061019b600480360381019061019691906106b3565b61034b565b005b6101a56103ce565b6101ad61044c565b60006101b761027f565b73ffffffffffffffffffffffffffffffffffffffff16476040516101da90610711565b60006040518083038185875af1925050503d8060008114610217576040519150601f19603f3d011682016040523d82523d6000602084013e61021c565b606091505b5050905080610260576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040161025790610783565b60405180910390fd5b5061026961049b565b565b6102736103ce565b61027d60006104a4565b565b6000610289610568565b905090565b6102966103ce565b8060028190555050565b6000600254905090565b60025481565b6102b861044c565b806002546102c691906107d2565b3414610307576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016102fe90610860565b60405180910390fd5b7f2499a5330ab0979cc612135e7883ebc3cd5c9f7a8508f042540c34723348f6323382604051610338929190610880565b60405180910390a161034861049b565b50565b6103536103ce565b600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff16036103c2576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004016103b99061091b565b60405180910390fd5b6103cb816104a4565b50565b6103d6610591565b73ffffffffffffffffffffffffffffffffffffffff166103f461027f565b73ffffffffffffffffffffffffffffffffffffffff161461044a576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040161044190610987565b60405180910390fd5b565b600260015403610491576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401610488906109f3565b60405180910390fd5b6002600181905550565b60018081905550565b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff169050816000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055508173ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a35050565b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905090565b600033905090565b600073ffffffffffffffffffffffffffffffffffffffff82169050919050565b60006105c482610599565b9050919050565b6105d4816105b9565b82525050565b60006020820190506105ef60008301846105cb565b92915050565b600080fd5b6000819050919050565b61060d816105fa565b811461061857600080fd5b50565b60008135905061062a81610604565b92915050565b600060208284031215610646576106456105f5565b5b60006106548482850161061b565b91505092915050565b610666816105fa565b82525050565b6000602082019050610681600083018461065d565b92915050565b610690816105b9565b811461069b57600080fd5b50565b6000813590506106ad81610687565b92915050565b6000602082840312156106c9576106c86105f5565b5b60006106d78482850161069e565b91505092915050565b600081905092915050565b50565b60006106fb6000836106e0565b9150610706826106eb565b600082019050919050565b600061071c826106ee565b9150819050919050565b600082825260208201905092915050565b7f5472616e73666572206661696c65640000000000000000000000000000000000600082015250565b600061076d600f83610726565b915061077882610737565b602082019050919050565b6000602082019050818103600083015261079c81610760565b9050919050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b60006107dd826105fa565b91506107e8836105fa565b92508282026107f6816105fa565b9150828204841483151761080d5761080c6107a3565b5b5092915050565b7f496e636f7272656374207061796d656e7420616d6f756e740000000000000000600082015250565b600061084a601883610726565b915061085582610814565b602082019050919050565b600060208201905081810360008301526108798161083d565b9050919050565b600060408201905061089560008301856105cb565b6108a2602083018461065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+  "deployedBytecode": "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",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}
diff --git a/frontend/src/components/AI/Chats.vue b/frontend/src/components/AI/Chats.vue
new file mode 100644
index 0000000..a04727a
--- /dev/null
+++ b/frontend/src/components/AI/Chats.vue
@@ -0,0 +1,238 @@
+<template>
+    <div class="ai-assistant">
+      <h3>AI Ассистент</h3>
+      
+      <div class="chat-container" ref="chatContainer">
+        <div v-if="messages.length === 0" class="empty-state">
+          Начните диалог с AI ассистентом
+        </div>
+        <div v-for="(message, index) in messages" :key="index" 
+             :class="['message', message.role]">
+          {{ message.content }}
+        </div>
+      </div>
+  
+      <div class="input-container">
+        <input 
+          v-model="userInput"
+          @keyup.enter="sendMessage"
+          placeholder="Введите сообщение..."
+          :disabled="isLoading"
+        />
+        <button 
+          @click="sendMessage" 
+          :disabled="isLoading || !userInput"
+        >
+          {{ isLoading ? 'Отправка...' : 'Отправить' }}
+        </button>
+      </div>
+    </div>
+  </template>
+  
+  <script setup>
+  import { ref, watch, onMounted } from 'vue'
+  import { getAddress } from 'ethers'
+  
+  const props = defineProps({
+    userAddress: String
+  })
+  
+  const emit = defineEmits(['chatUpdated'])
+  
+  const userInput = ref('')
+  const messages = ref([])
+  const isLoading = ref(false)
+  const chatContainer = ref(null)
+  
+  async function sendMessage() {
+    if (!userInput.value) return;
+    
+    try {
+      isLoading.value = true;
+      
+      const response = await fetch('http://127.0.0.1:3000/api/chat', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        credentials: 'include',
+        body: JSON.stringify({
+          message: userInput.value
+        })
+      });
+  
+      if (!response.ok) {
+        if (response.status === 401) {
+          messages.value.push({
+            role: 'system',
+            content: 'Пожалуйста, подключите кошелек для сохранения истории чата'
+          });
+        } else {
+          throw new Error('Network response was not ok')
+        }
+      }
+  
+      const data = await response.json()
+      messages.value.push({ role: 'user', content: userInput.value })
+      messages.value.push({ role: 'assistant', content: data.response })
+      userInput.value = ''
+      emit('chatUpdated')
+    } catch (error) {
+      console.error('Ошибка при отправке сообщения:', error)
+      messages.value.push({ 
+        role: 'system', 
+        content: 'Произошла ошибка при получении ответа' 
+      })
+    } finally {
+      isLoading.value = false
+    }
+  }
+  
+  // Загрузка истории чата
+  async function loadChatHistory() {
+    try {
+      if (!props.userAddress) {
+        console.log('Адрес пользователя не определен');
+        return;
+      }
+  
+      const response = await fetch('http://127.0.0.1:3000/api/chat/history', {
+        credentials: 'include'
+      });
+      
+      if (!response.ok) {
+        const error = await response.json();
+        console.log('Ошибка загрузки истории:', error);
+        
+        if (error.error === 'User not found') {
+          // Создаем нового пользователя
+          const createUserResponse = await fetch('http://127.0.0.1:3000/api/users', {
+            method: 'POST',
+            headers: {
+              'Content-Type': 'application/json'
+            },
+            credentials: 'include',
+            body: JSON.stringify({
+              address: props.userAddress
+            })
+          });
+          
+          if (!createUserResponse.ok) {
+            console.error('Ошибка создания пользователя:', await createUserResponse.text());
+            return;
+          }
+  
+          if (createUserResponse.ok) {
+            // Повторно загружаем историю
+            return loadChatHistory();
+          }
+        }
+        return;
+      }
+      
+      const data = await response.json();
+      messages.value = (data.history || []).map(chat => ({
+        role: chat.is_user ? 'user' : 'assistant',
+        content: chat.is_user ? chat.message : JSON.parse(chat.response).content
+      }));
+    } catch (error) {
+      console.error('Ошибка загрузки истории:', error);
+    }
+  }
+  
+  // Загружаем историю при монтировании
+  onMounted(() => {
+    if (props.userAddress) {
+      loadChatHistory()
+    }
+  })
+  
+  // Добавляем наблюдение за изменением адреса
+  watch(() => props.userAddress, (newAddress) => {
+    if (newAddress) {
+      loadChatHistory()
+    } else {
+      messages.value = []
+    }
+  })
+  
+  watch(messages, () => {
+    if (chatContainer.value) {
+      setTimeout(() => {
+        chatContainer.value.scrollTop = chatContainer.value.scrollHeight
+      }, 0)
+    }
+  }, { deep: true })
+  </script>
+  
+  <style scoped>
+  .empty-state {
+    text-align: center;
+    color: #666;
+    padding: 2rem;
+  }
+  
+  .ai-assistant {
+    margin-top: 20px;
+    padding: 20px;
+    border: 1px solid #ddd;
+    border-radius: 8px;
+    background: white;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+  }
+  
+  .chat-container {
+    height: 300px;
+    overflow-y: auto;
+    margin-bottom: 15px;
+    padding: 10px;
+    border: 1px solid #eee;
+    border-radius: 4px;
+  }
+  
+  .message {
+    margin: 8px 0;
+    padding: 8px 12px;
+    border-radius: 4px;
+  }
+  
+  .user {
+    background-color: #e3f2fd;
+    margin-left: 20%;
+  }
+  
+  .assistant {
+    background-color: #f5f5f5;
+    margin-right: 20%;
+  }
+  
+  .system {
+    background-color: #ffebee;
+    text-align: center;
+  }
+  
+  .input-container {
+    display: flex;
+    gap: 10px;
+  }
+  
+  input {
+    flex: 1;
+    padding: 8px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+  }
+  
+  button {
+    padding: 8px 16px;
+    background-color: #4CAF50;
+    color: white;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+  }
+  
+  button:disabled {
+    background-color: #cccccc;
+  }
+  </style> 
\ No newline at end of file
diff --git a/frontend/src/components/AI/Users.vue b/frontend/src/components/AI/Users.vue
new file mode 100644
index 0000000..c2ac89b
--- /dev/null
+++ b/frontend/src/components/AI/Users.vue
@@ -0,0 +1,281 @@
+<template>
+    <div class="data-tables">
+      <h3>Данные из базы</h3>
+      
+      <!-- История чатов -->
+      <div class="table-section">
+        <h4>История чатов</h4>
+        <div v-if="displayedChats.length === 0" class="empty-state">
+          Нет доступных сообщений
+        </div>
+        <table v-else>
+          <thead>
+            <tr>
+              <th>Адрес</th>
+              <th>Сообщение</th>
+              <th>Ответ</th>
+              <th>Дата</th>
+              <th v-if="isAdmin">Действия</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="chat in displayedChats" :key="chat.id">
+              <td>{{ shortenAddress(chat.address) }}</td>
+              <td>{{ chat.message }}</td>
+              <td>{{ JSON.parse(chat.response).content }}</td>
+              <td>{{ formatDate(chat.created_at) }}</td>
+              <td v-if="isAdmin">
+                <button 
+                  @click="approveChat(chat.id)"
+                  :disabled="chat.is_approved"
+                  :class="{ approved: chat.is_approved }"
+                >
+                  {{ chat.is_approved ? 'Одобрен' : 'Одобрить' }}
+                </button>
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+  
+      <!-- Пользователи -->
+      <div class="table-section">
+        <h4>Пользователи</h4>
+        <table>
+          <thead>
+            <tr>
+              <th>ID</th>
+              <th>Адрес</th>
+              <th>Дата регистрации</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="user in users" :key="user.id">
+              <td>{{ user.id }}</td>
+              <td>{{ shortenAddress(user.address) }}</td>
+              <td>{{ formatDate(user.created_at) }}</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+  
+      <div v-if="isAdmin" class="chat-history">
+        <h2>История сообщений всех пользователей</h2>
+        <table>
+          <thead>
+            <tr>
+              <th>Адрес</th>
+              <th>Сообщение</th>
+              <th>Ответ</th>
+              <th>Дата</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="chat in allChats" :key="chat.id">
+              <td>{{ shortenAddress(chat.address) }}</td>
+              <td>{{ chat.message }}</td>
+              <td>{{ JSON.parse(chat.response).content }}</td>
+              <td>{{ new Date(chat.created_at).toLocaleString() }}</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+  </template>
+  
+  <script setup>
+  import { ref, onMounted, watch, computed } from 'vue';
+  import contractABI from '../../artifacts/MyContract.json'
+  
+  const props = defineProps({
+    isConnected: Boolean,
+    userAddress: String
+  });
+  
+  const allChats = ref([]);
+  const users = ref([]);
+  const isAdmin = ref(false);
+  
+  const displayedChats = computed(() => {
+    return isAdmin.value ? allChats.value : allChats.value.filter(
+      chat => chat.address.toLowerCase() === props.userAddress?.toLowerCase()
+    );
+  });
+  
+  // Нормализация адреса (приведение к нижнему регистру)
+  function normalizeAddress(address) {
+    return address?.toLowerCase() || '';
+  }
+  
+  // Следим за изменением состояния подключения
+  watch(() => props.isConnected, (newValue) => {
+    console.log('isConnected изменился:', newValue);
+    if (newValue) {
+      // Небольшая задержка для обновления сессии
+      setTimeout(() => {
+        fetchData();
+      }, 500);
+    }
+  });
+  
+  // Следим за изменением адреса
+  watch(() => props.userAddress, (newValue) => {
+    console.log('userAddress изменился:', newValue);
+    if (props.isConnected && newValue) {
+      fetchData();
+    }
+  });
+  
+  // Получение данных
+  async function fetchData() {
+    try {
+      console.log('Запрос обновления данных');
+      
+      if (!props.userAddress) {
+        console.log('Адрес пользователя не определен');
+        return;
+      }
+  
+      // Проверяем права админа
+      const adminCheck = await fetch('http://127.0.0.1:3000/api/admin/check', {
+        credentials: 'include'
+      });
+      
+      if (adminCheck.ok) {
+        const { isAdmin: adminStatus } = await adminCheck.json();
+        isAdmin.value = adminStatus;
+        console.log('Статус админа:', adminStatus);
+      }
+      
+      // Получаем чаты
+      const chatsResponse = await fetch('http://127.0.0.1:3000/api/admin/chats', {
+        credentials: 'include'
+      });
+      
+      if (chatsResponse.ok) {
+        const data = await chatsResponse.json();
+        allChats.value = data.chats || [];
+      }
+      
+      // Получаем пользователей
+      const usersResponse = await fetch('http://127.0.0.1:3000/api/users', {
+        credentials: 'include'
+      });
+      
+      if (usersResponse.ok) {
+        const data = await usersResponse.json();
+        users.value = data.users || [];
+      }
+    } catch (error) {
+      console.error('Ошибка получения данных:', error);
+    }
+  }
+  
+  // Форматирование адреса
+  function shortenAddress(address) {
+    return `${address.slice(0, 6)}...${address.slice(-4)}`;
+  }
+  
+  // Форматирование даты
+  function formatDate(date) {
+    return new Date(date).toLocaleString();
+  }
+  
+  async function approveChat(chatId) {
+    try {
+      const response = await fetch('http://127.0.0.1:3000/api/admin/approve', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        credentials: 'include',
+        body: JSON.stringify({ chatId })
+      });
+      
+      if (!response.ok) throw new Error('Failed to approve chat');
+      
+      // Обновляем статус локально
+      const chat = allChats.value.find(c => c.id === chatId);
+      if (chat) chat.is_approved = true;
+    } catch (error) {
+      console.error('Error approving chat:', error);
+      alert('Ошибка при одобрении чата');
+    }
+  }
+  
+  onMounted(() => {
+    if (props.isConnected) {
+      fetchData();
+    }
+  });
+  
+  // Делаем метод доступным извне
+  defineExpose({
+    fetchData
+  });
+  
+  async function fetchAllChats() {
+    try {
+      const response = await fetch('http://127.0.0.1:3000/api/admin/chats', {
+        credentials: 'include'
+      });
+      if (response.ok) {
+        const data = await response.json();
+        allChats.value = data.chats;
+      }
+    } catch (error) {
+      console.error('Ошибка получения чатов:', error);
+    }
+  }
+  
+  onMounted(() => {
+    if (props.isAdmin) {
+      fetchAllChats();
+    }
+  });
+  
+  watch(() => props.isAdmin, (newValue) => {
+    if (newValue) {
+      fetchAllChats();
+    }
+  });
+  </script>
+  
+  <style scoped>
+  .data-tables {
+    margin: 20px;
+  }
+  
+  .table-section {
+    margin-bottom: 30px;
+  }
+  
+  table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-top: 10px;
+  }
+  
+  th, td {
+    border: 1px solid #ddd;
+    padding: 8px;
+    text-align: left;
+  }
+  
+  th {
+    background-color: #f5f5f5;
+  }
+  
+  tr:nth-child(even) {
+    background-color: #f9f9f9;
+  }
+  
+  .empty-state {
+    text-align: center;
+    color: #666;
+    padding: 1rem;
+    background: #f8f9fa;
+    border-radius: 4px;
+    margin: 1rem 0;
+  }
+  </style> 
\ No newline at end of file
diff --git a/frontend/src/components/AI/VectorStore.vue b/frontend/src/components/AI/VectorStore.vue
new file mode 100644
index 0000000..d546343
--- /dev/null
+++ b/frontend/src/components/AI/VectorStore.vue
@@ -0,0 +1,254 @@
+<template>
+    <div class="vector-store">
+      <h2>Векторное хранилище</h2>
+      <div v-if="loading" class="loading">
+        Загрузка...
+      </div>
+      <div v-else>
+        <div class="stats">
+          <p>Всего документов: {{ vectors.length }}</p>
+          <p>Размерность эмбеддингов: {{ getEmbeddingStats }}</p>
+        </div>
+  
+        <div class="filters">
+          <input 
+            v-model="search" 
+            placeholder="Поиск по содержанию..."
+            class="search-input"
+          >
+          <select v-model="typeFilter" class="type-filter">
+            <option value="">Все типы</option>
+            <option value="approved_chat">Одобренные чаты</option>
+          </select>
+        </div>
+  
+        <table class="vectors-table">
+          <thead>
+            <tr>
+              <th>ID</th>
+              <th>Содержание</th>
+              <th>Метаданные</th>
+              <th>Дата создания</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="vector in filteredVectors" :key="vector.id">
+              <td>{{ vector.id }}</td>
+              <td class="content-cell">
+                <div class="qa-format">
+                  <div class="question">Q: {{ getQuestion(vector.content) }}</div>
+                  <div class="answer">A: {{ getAnswer(vector.content) }}</div>
+                </div>
+              </td>
+              <td>
+                <div class="metadata">
+                  <span class="metadata-item">
+                    <strong>Тип:</strong> {{ vector.metadata.type }}
+                  </span>
+                  <span class="metadata-item">
+                    <strong>Одобрил:</strong> {{ shortenAddress(vector.metadata.approvedBy) }}
+                  </span>
+                  <span class="metadata-item">
+                    <strong>ID чата:</strong> {{ vector.metadata.chatId }}
+                  </span>
+                </div>
+              </td>
+              <td>{{ formatDate(vector.created) }}</td>
+            </tr>
+          </tbody>
+        </table>
+        
+        <div v-if="error" class="error-message">
+          {{ error }}
+        </div>
+      </div>
+    </div>
+  </template>
+  
+  <script>
+  const API_BASE_URL = 'http://localhost:3000';
+  
+  export default {
+    name: 'VectorStore',
+    data() {
+      return {
+        vectors: [],
+        loading: true,
+        error: null,
+        search: '',
+        typeFilter: '',
+        baseUrl: API_BASE_URL
+      }
+    },
+    computed: {
+      getEmbeddingStats() {
+        if (!this.vectors.length) return 'Нет данных';
+        const sizes = this.vectors.map(v => v.embedding_size);
+        const uniqueSizes = [...new Set(sizes)];
+        if (uniqueSizes.length === 1) {
+          return uniqueSizes[0];
+        }
+        return `Разные размерности: ${uniqueSizes.join(', ')}`;
+      },
+      filteredVectors() {
+        return this.vectors.filter(vector => {
+          const matchesSearch = this.search === '' || 
+            vector.content.toLowerCase().includes(this.search.toLowerCase());
+          const matchesType = this.typeFilter === '' || 
+            vector.metadata.type === this.typeFilter;
+          return matchesSearch && matchesType;
+        });
+      }
+    },
+    async mounted() {
+      await this.loadVectors();
+    },
+    methods: {
+      async loadVectors() {
+        try {
+          const response = await fetch('http://127.0.0.1:3000/api/admin/vectors', {
+            credentials: 'include',
+            headers: {
+              'Accept': 'application/json',
+              'Content-Type': 'application/json'
+            }
+          });
+  
+          if (response.status === 401) {
+            this.error = 'Необходима авторизация. Пожалуйста, подключите кошелек.';
+            return;
+          }
+          
+          if (response.status === 403) {
+            this.error = 'Доступ запрещен. Только владелец контракта может просматривать векторное хранилище.';
+            return;
+          }
+  
+          if (!response.ok) {
+            throw new Error('Network response was not ok');
+          }
+  
+          const data = await response.json();
+          if (!Array.isArray(data.vectors)) {
+            throw new Error('Неверный формат данных');
+          }
+  
+          this.vectors = data.vectors;
+          this.error = null;
+        } catch (error) {
+          console.error('Error loading vectors:', error);
+          this.error = `Ошибка загрузки векторов: ${error.message}. 
+            ${error.message.includes('404') ? 
+              'API эндпоинт не найден. Проверьте URL и работу сервера.' : 
+              'Проверьте права доступа и подключение к серверу.'}`;
+        } finally {
+          this.loading = false;
+        }
+      },
+      getQuestion(content) {
+        return content.split('\nA:')[0].replace('Q:', '').trim();
+      },
+      getAnswer(content) {
+        return content.split('\nA:')[1]?.trim() || '';
+      },
+      shortenAddress(address) {
+        return address ? `${address.slice(0, 6)}...${address.slice(-4)}` : '';
+      },
+      formatDate(date) {
+        return new Date(date).toLocaleString('ru-RU', {
+          year: 'numeric',
+          month: '2-digit',
+          day: '2-digit',
+          hour: '2-digit',
+          minute: '2-digit'
+        });
+      }
+    }
+  }
+  </script>
+  
+  <style scoped>
+  .vector-store {
+    padding: 20px;
+  }
+  
+  .filters {
+    margin: 20px 0;
+    display: flex;
+    gap: 10px;
+  }
+  
+  .search-input,
+  .type-filter {
+    padding: 8px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+  }
+  
+  .search-input {
+    flex: 1;
+  }
+  
+  .vectors-table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-top: 20px;
+  }
+  
+  .vectors-table th,
+  .vectors-table td {
+    border: 1px solid #ddd;
+    padding: 8px;
+    text-align: left;
+  }
+  
+  .vectors-table th {
+    background-color: #f5f5f5;
+  }
+  
+  .content-cell {
+    max-width: 400px;
+  }
+  
+  .qa-format {
+    white-space: pre-wrap;
+  }
+  
+  .question {
+    color: #2c3e50;
+    margin-bottom: 5px;
+  }
+  
+  .answer {
+    color: #34495e;
+  }
+  
+  .metadata {
+    display: flex;
+    flex-direction: column;
+    gap: 5px;
+  }
+  
+  .metadata-item {
+    background: #f8f9fa;
+    padding: 4px 8px;
+    border-radius: 4px;
+    font-size: 0.9em;
+  }
+  
+  .stats {
+    margin: 20px 0;
+    padding: 10px;
+    background-color: #f9f9f9;
+    border-radius: 4px;
+  }
+  
+  .error-message {
+    margin-top: 20px;
+    padding: 10px;
+    background-color: #fee;
+    border: 1px solid #fcc;
+    border-radius: 4px;
+    color: #c00;
+  }
+  </style> 
\ No newline at end of file
diff --git a/frontend/src/components/AIAssistant.vue b/frontend/src/components/AIAssistant.vue
deleted file mode 100644
index a98cd99..0000000
--- a/frontend/src/components/AIAssistant.vue
+++ /dev/null
@@ -1,240 +0,0 @@
-<template>
-  <div class="ai-assistant" v-if="isConnected">
-    <h3>AI Ассистент</h3>
-    
-    <div class="chat-container" ref="chatContainer">
-      <div v-for="(message, index) in messages" :key="index" 
-           :class="['message', message.role]">
-        {{ message.content }}
-      </div>
-    </div>
-
-    <div class="input-container">
-      <input 
-        v-model="userInput"
-        @keyup.enter="sendMessage"
-        placeholder="Задайте вопрос..."
-        :disabled="isLoading"
-      />
-      <button 
-        @click="sendMessage" 
-        :disabled="!userInput || isLoading"
-      >
-        {{ isLoading ? 'Отправка...' : 'Отправить' }}
-      </button>
-    </div>
-  </div>
-</template>
-
-<script setup>
-import { ref, watch, onMounted } from 'vue'
-import { getAddress } from 'ethers'
-
-const props = defineProps({
-  isConnected: Boolean,
-  userAddress: String
-})
-
-const emit = defineEmits(['chatUpdated'])
-
-const userInput = ref('')
-const messages = ref([])
-const isLoading = ref(false)
-const isAuthenticated = ref(false)
-const chatContainer = ref(null)
-
-// Функция для SIWE аутентификации
-async function authenticateWithSIWE() {
-  try {
-    // Получаем nonce
-    const nonceResponse = await fetch(
-      'http://127.0.0.1:3000/nonce',
-      { credentials: 'include' }
-    );
-    const { nonce } = await nonceResponse.json();
-    
-    // Создаем сообщение для подписи
-    const message = 
-      `127.0.0.1:5174 wants you to sign in with your Ethereum account:\n` +
-      `${getAddress(props.userAddress)}\n\n` +
-      `Sign in with Ethereum to access AI Assistant\n\n` +
-      `URI: http://127.0.0.1:5174\n` +
-      `Version: 1\n` +
-      `Chain ID: 11155111\n` +
-      `Nonce: ${nonce}\n` +
-      `Issued At: ${new Date().toISOString()}\n` +
-      `Resources:\n` +
-      `- http://127.0.0.1:5174/api/chat`;
-    
-    // Получаем подпись
-    const signature = await window.ethereum.request({
-      method: 'personal_sign',
-      params: [message, props.userAddress]
-    });
-    
-    // Верифицируем подпись
-    const verifyResponse = await fetch('http://127.0.0.1:3000/verify', {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-        'X-SIWE-Nonce': nonce
-      },
-      credentials: 'include',
-      body: JSON.stringify({ message, signature })
-    });
-    
-    if (!verifyResponse.ok) {
-      throw new Error('Failed to verify signature');
-    }
-    
-    isAuthenticated.value = true;
-  } catch (error) {
-    console.error('SIWE error:', error);
-    messages.value.push({
-      role: 'system',
-      content: 'Ошибка аутентификации. Пожалуйста, попробуйте снова.'
-    });
-  }
-}
-
-async function sendMessage() {
-  if (!userInput.value) return;
-  
-  try {
-    isLoading.value = true;
-    
-    const response = await fetch('http://127.0.0.1:3000/api/chat', {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json'
-      },
-      credentials: 'include',
-      body: JSON.stringify({
-        message: userInput.value,
-        userAddress: props.userAddress
-      })
-    });
-
-    if (response.status === 401) {
-      messages.value.push({
-        role: 'system',
-        content: 'Пожалуйста, подключите кошелек и авторизуйтесь'
-      });
-      return;
-    }
-
-    if (!response.ok) {
-      throw new Error('Network response was not ok')
-    }
-
-    const data = await response.json()
-    messages.value.push({ role: 'user', content: userInput.value })
-    messages.value.push({ role: 'assistant', content: data.response })
-    userInput.value = ''
-    emit('chatUpdated')
-  } catch (error) {
-    console.error('Ошибка при отправке сообщения:', error)
-    messages.value.push({ 
-      role: 'system', 
-      content: 'Произошла ошибка при получении ответа' 
-    })
-  } finally {
-    isLoading.value = false
-  }
-}
-
-// Загрузка истории чата
-async function loadChatHistory() {
-  try {
-    const response = await fetch('http://127.0.0.1:3000/api/chat/history', {
-      credentials: 'include'
-    });
-    const data = await response.json();
-    messages.value = data.history.map(item => ({
-      role: item.is_user ? 'user' : 'assistant',
-      content: item.is_user ? item.message : item.response
-    }));
-  } catch (error) {
-    console.error('Ошибка загрузки истории:', error);
-  }
-}
-
-// Загружаем историю при монтировании
-onMounted(() => {
-  if (props.isConnected) {
-    loadChatHistory();
-  }
-});
-
-watch(messages, () => {
-  if (chatContainer.value) {
-    setTimeout(() => {
-      chatContainer.value.scrollTop = chatContainer.value.scrollHeight
-    }, 0)
-  }
-}, { deep: true })
-</script>
-
-<style scoped>
-.ai-assistant {
-  margin-top: 20px;
-  padding: 20px;
-  border: 1px solid #ddd;
-  border-radius: 8px;
-}
-
-.chat-container {
-  height: 300px;
-  overflow-y: auto;
-  margin-bottom: 15px;
-  padding: 10px;
-  border: 1px solid #eee;
-  border-radius: 4px;
-}
-
-.message {
-  margin: 8px 0;
-  padding: 8px 12px;
-  border-radius: 4px;
-}
-
-.user {
-  background-color: #e3f2fd;
-  margin-left: 20%;
-}
-
-.assistant {
-  background-color: #f5f5f5;
-  margin-right: 20%;
-}
-
-.system {
-  background-color: #ffebee;
-  text-align: center;
-}
-
-.input-container {
-  display: flex;
-  gap: 10px;
-}
-
-input {
-  flex: 1;
-  padding: 8px;
-  border: 1px solid #ddd;
-  border-radius: 4px;
-}
-
-button {
-  padding: 8px 16px;
-  background-color: #4CAF50;
-  color: white;
-  border: none;
-  border-radius: 4px;
-  cursor: pointer;
-}
-
-button:disabled {
-  background-color: #cccccc;
-}
-</style> 
\ No newline at end of file
diff --git a/frontend/src/components/Contract/Deploy.vue b/frontend/src/components/Contract/Deploy.vue
new file mode 100644
index 0000000..83e41cc
--- /dev/null
+++ b/frontend/src/components/Contract/Deploy.vue
@@ -0,0 +1,162 @@
+<template>
+  <div class="contract-deploy">
+    <h2>Деплой смарт-контракта</h2>
+    
+    <form @submit.prevent="deployContract" class="deploy-form">
+      <div class="form-group">
+        <label>Начальная цена (ETH)</label>
+        <input 
+          v-model="initialPrice"
+          type="number"
+          step="0.001"
+          min="0"
+          required
+          class="form-input"
+        />
+      </div>
+
+      <div class="form-group">
+        <label>Название токена</label>
+        <input 
+          v-model="tokenName"
+          type="text"
+          required
+          class="form-input"
+        />
+      </div>
+
+      <div class="form-group">
+        <label>Символ токена</label>
+        <input 
+          v-model="tokenSymbol"
+          type="text"
+          required
+          class="form-input"
+        />
+      </div>
+
+      <button 
+        type="submit"
+        :disabled="isDeploying"
+        class="deploy-button"
+      >
+        {{ isDeploying ? 'Деплой...' : 'Деплой контракта' }}
+      </button>
+
+      <div v-if="error" class="error-message">
+        {{ error }}
+      </div>
+
+      <div v-if="deployedAddress" class="success-message">
+        Контракт развернут по адресу: {{ deployedAddress }}
+      </div>
+    </form>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { ethers } from 'ethers'
+import contractABI from '../../artifacts/MyContract.json'
+
+const initialPrice = ref(0.01)
+const tokenName = ref('')
+const tokenSymbol = ref('')
+const isDeploying = ref(false)
+const error = ref('')
+const deployedAddress = ref('')
+
+async function deployContract() {
+  if (!window.ethereum) {
+    error.value = 'MetaMask не установлен'
+    return
+  }
+
+  try {
+    isDeploying.value = true
+    error.value = ''
+
+    const provider = new ethers.BrowserProvider(window.ethereum)
+    const signer = await provider.getSigner()
+
+    // Создаем фабрику контракта
+    const factory = new ethers.ContractFactory(
+      contractABI.abi,
+      contractABI.bytecode,
+      signer
+    )
+
+    // Деплоим контракт
+    const contract = await factory.deploy(
+      ethers.parseEther(initialPrice.value.toString()),
+      tokenName.value,
+      tokenSymbol.value
+    )
+
+    await contract.waitForDeployment()
+    deployedAddress.value = await contract.getAddress()
+
+  } catch (err) {
+    console.error('Ошибка деплоя:', err)
+    error.value = err.message
+  } finally {
+    isDeploying.value = false
+  }
+}
+</script>
+
+<style scoped>
+.contract-deploy {
+  max-width: 600px;
+  margin: 0 auto;
+  padding: 20px;
+}
+
+.deploy-form {
+  background: white;
+  padding: 20px;
+  border-radius: 8px;
+  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+}
+
+.form-group {
+  margin-bottom: 15px;
+}
+
+.form-group label {
+  display: block;
+  margin-bottom: 5px;
+  color: #2c3e50;
+}
+
+.form-input {
+  width: 100%;
+  padding: 8px;
+  border: 1px solid #ddd;
+  border-radius: 4px;
+}
+
+.deploy-button {
+  width: 100%;
+  padding: 10px;
+  background-color: #4CAF50;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+}
+
+.deploy-button:disabled {
+  background-color: #cccccc;
+}
+
+.error-message {
+  color: #dc3545;
+  margin-top: 10px;
+}
+
+.success-message {
+  color: #28a745;
+  margin-top: 10px;
+}
+</style>
diff --git a/frontend/src/components/Contract/Manage.vue b/frontend/src/components/Contract/Manage.vue
new file mode 100644
index 0000000..f5af633
--- /dev/null
+++ b/frontend/src/components/Contract/Manage.vue
@@ -0,0 +1,771 @@
+<template>
+    <div class="contract-interaction">
+      <h2>Взаимодействие с контрактом</h2>
+      
+      <div v-if="!isInitialized" class="loading-message">
+        Загрузка контракта...
+      </div>
+      
+      <div v-if="error" class="error-message">{{ error }}</div>
+      
+      <div v-if="isCorrectNetwork" class="wallet-info">
+        <p>Адрес кошелька: {{ address }}</p>
+        
+        <div class="contract-controls">
+          <h3>Управление контрактом</h3>
+          <p v-if="currentPrice" class="price-info">
+            Текущая цена: {{ formatPrice(currentPrice) }} ETH
+          </p>
+  
+          <!-- Панель управления для владельца -->
+          <div v-if="isOwner" class="owner-controls">
+            <h4>Панель владельца</h4>
+            <div class="input-group">
+              <input 
+                v-model="newPrice" 
+                type="number" 
+                step="0.001"
+                placeholder="Новая цена (ETH)"
+                class="amount-input"
+              />
+              <button 
+                @click="handleSetPrice" 
+                :disabled="!newPrice || isLoading"
+                class="admin-button"
+              >
+                Установить цену
+              </button>
+            </div>
+            <button 
+              @click="handleWithdraw" 
+              :disabled="isLoading"
+              class="admin-button withdraw-button"
+            >
+              Вывести средства
+            </button>
+          </div>
+  
+          <!-- Панель покупки -->
+          <div class="purchase-panel">
+            <h4>Покупка</h4>
+            <div class="input-group">
+              <input 
+                v-model="amount" 
+                type="number" 
+                placeholder="Введите количество"
+                class="amount-input"
+              />
+              <button 
+                @click="handlePurchase" 
+                :disabled="!amount || isLoading"
+                class="purchase-button"
+              >
+                {{ isLoading ? 'Обработка...' : 'Купить' }}
+              </button>
+            </div>
+            <p v-if="amount && currentPrice" class="total-cost">
+              Общая стоимость: {{ formatPrice(calculateTotalCost()) }} ETH
+            </p>
+          </div>
+          
+          <p v-if="success" class="success-message">{{ success }}</p>
+        </div>
+      </div>
+  
+      <h3>Управление смарт-контрактом</h3>
+      <div class="contract-info">
+        <p>Адрес контракта: {{ contractAddress }}</p>
+        <p>Начальная цена: {{ initialPrice }} ETH</p>
+        <p>Владелец: {{ contractOwner }}</p>
+      </div>
+      
+      <div class="contract-actions">
+        <button 
+          v-if="isOwner" 
+          @click="withdrawFunds"
+          :disabled="withdrawing"
+        >
+          {{ withdrawing ? 'Вывод средств...' : 'Вывести средства' }}
+        </button>
+      </div>
+    </div>
+  </template>
+  
+  <script setup>
+  import { ref, onMounted, computed, watch } from 'vue'
+  import { BrowserProvider, Contract, JsonRpcProvider, formatEther, parseEther, getAddress } from 'ethers'
+  import { ethers } from 'ethers'
+  
+  const props = defineProps({
+    userAddress: String
+  })
+  
+  // Инициализируем все ref переменные в начале
+  const address = ref('')
+  const currentPrice = ref(null)
+  const contractOwner = ref(null)
+  const amount = ref(1)
+  const newPrice = ref('')
+  const isLoading = ref(false)
+  const error = ref('')
+  const success = ref('')
+  const isCorrectNetwork = ref(false)
+  const isConnected = ref(false)
+  const isInitialized = ref(false)
+  const walletProvider = ref(null)
+  const isAuthenticated = ref(false)
+  const statement = 'Sign in with Ethereum to access DApp features and AI Assistant'
+  const initialPrice = ref('0.009')
+  const contractAddress = '0x9acac5926e86fE2d7A69deff27a4b2D310108d76' // Адрес из логов сервера
+  const withdrawing = ref(false)
+  
+  // Константы
+  const SEPOLIA_CHAIN_ID = 11155111
+  const provider = new JsonRpcProvider(import.meta.env.VITE_APP_ETHEREUM_NETWORK_URL)
+  const contractABI = [
+    {
+      "inputs": [{"internalType": "uint256", "name": "amount", "type": "uint256"}],
+      "name": "purchase",
+      "outputs": [],
+      "stateMutability": "payable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "price",
+      "outputs": [{"internalType": "uint256", "name": "", "type": "uint256"}],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "owner",
+      "outputs": [{"internalType": "address", "name": "", "type": "address"}],
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "inputs": [{"internalType": "uint256", "name": "newPrice", "type": "uint256"}],
+      "name": "setPrice",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "inputs": [],
+      "name": "withdraw",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    },
+    {
+      "anonymous": false,
+      "inputs": [
+        {"indexed": false, "internalType": "address", "name": "buyer", "type": "address"},
+        {"indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256"}
+      ],
+      "name": "Purchase",
+      "type": "event"
+    }
+  ]
+  
+  // Вычисляемые свойства
+  const isOwner = computed(() => {
+    return address.value && contractOwner.value && 
+           address.value.toLowerCase() === contractOwner.value.toLowerCase()
+  })
+  
+  // Функции
+  function formatPrice(price) {
+    if (!price) return '0'
+    return formatEther(price)
+  }
+  
+  // Функция инициализации контракта
+  async function initializeContract() {
+    try {
+      if (!contractAddress) {
+        throw new Error('Contract address not configured')
+      }
+      
+      const provider = new JsonRpcProvider(import.meta.env.VITE_APP_ETHEREUM_NETWORK_URL)
+      const contract = new Contract(
+        contractAddress,
+        contractABI,
+        provider
+      )
+      await Promise.all([
+        contract.price().then(price => {
+          currentPrice.value = price
+          console.log('Начальная цена:', formatEther(price), 'ETH')
+        }),
+        contract.owner().then(owner => {
+          contractOwner.value = owner
+          console.log('Владелец контракта:', owner)
+        })
+      ])
+      
+      isInitialized.value = true
+    } catch (err) {
+      console.error('Ошибка при инициализации контракта:', err)
+      error.value = 'Ошибка при инициализации контракта: ' + err.message
+    }
+  }
+  
+  // Функция подключения к MetaMask
+  async function connectWallet() {
+    try {
+      // Проверяем доступность MetaMask
+      if (!window.ethereum) {
+        throw new Error('MetaMask не установлен')
+      }
+  
+      // Запрашиваем доступ к аккаунту
+      const accounts = await window.ethereum.request({ 
+        method: 'eth_requestAccounts' 
+      })
+  
+      // Сохраняем адрес и провайдер
+      address.value = accounts[0]
+      walletProvider.value = window.ethereum
+      isConnected.value = true
+  
+      // SIWE аутентификация
+      try {
+        // Получаем nonce
+        const nonceResponse = await fetch(
+          'http://127.0.0.1:3000/nonce',
+          { credentials: 'include' }
+        );
+        const { nonce } = await nonceResponse.json();
+        
+        // Сохраняем nonce в localStorage
+        localStorage.setItem('siwe-nonce', nonce);
+        
+        // Создаем сообщение для подписи
+        const message = 
+          `${window.location.host} wants you to sign in with your Ethereum account:\n` +
+          `${getAddress(address.value)}\n\n` +
+          `${statement}\n\n` +
+          `URI: http://${window.location.host}\n` +
+          `Version: 1\n` +
+          `Chain ID: 11155111\n` +
+          `Nonce: ${nonce}\n` +
+          `Issued At: ${new Date().toISOString()}\n` +
+          `Resources:\n` +
+          `- http://${window.location.host}/api/chat\n` +
+          `- http://${window.location.host}/api/contract`;
+        
+        // Получаем подпись
+        const signature = await window.ethereum.request({
+          method: 'personal_sign',
+          params: [message, address.value]
+        });
+        
+        // Верифицируем подпись
+        const verifyResponse = await fetch(
+          'http://127.0.0.1:3000/verify',
+          {
+            method: 'POST',
+            headers: {
+              'Content-Type': 'application/json',
+              'X-SIWE-Nonce': nonce
+            },
+            credentials: 'include',
+            body: JSON.stringify({ message, signature })
+          }
+        );
+        
+        if (!verifyResponse.ok) {
+          throw new Error('Failed to verify signature');
+        }
+      } catch (error) {
+        console.error('SIWE error:', error);
+        throw new Error('Ошибка аутентификации');
+      }
+  
+      // Подписываемся на изменение аккаунта
+      window.ethereum.on('accountsChanged', handleAccountsChanged)
+      window.ethereum.on('chainChanged', handleChainChanged)
+  
+      await checkNetwork()
+    } catch (err) {
+      console.error('Ошибка при подключении кошелька:', err)
+      error.value = 'Ошибка при подключении кошелька: ' + err.message
+    }
+  }
+  
+  // Обработчики событий MetaMask
+  function handleAccountsChanged(accounts) {
+    if (accounts.length === 0) {
+      // MetaMask отключен
+      isConnected.value = false
+      address.value = null
+    } else {
+      // Аккаунт изменен
+      address.value = accounts[0]
+    }
+  }
+  
+  function handleChainChanged() {
+    // При смене сети перезагружаем страницу
+    window.location.reload()
+  }
+  
+  // Обновляем watch
+  watch(isConnected, async (newValue) => {
+    try {
+      if (newValue) {
+        console.log('Кошелек подключен, адрес:', address.value)
+        
+        if (!isInitialized.value) {
+          await initializeContract()
+        }
+        await checkNetwork()
+      } else {
+        console.log('Кошелек отключен')
+        currentPrice.value = null
+        contractOwner.value = null
+        isCorrectNetwork.value = false
+        error.value = ''
+        isInitialized.value = false
+      }
+    } catch (err) {
+      console.error('Ошибка при обработке подключения:', err)
+      error.value = 'Ошибка при обработке подключения: ' + err.message
+    }
+  }, { immediate: true })
+  
+  // Обновляем функцию проверки сети
+  async function checkNetwork() {
+    try {
+      if (!walletProvider.value) {
+        isCorrectNetwork.value = false
+        error.value = 'Провайдер кошелька недоступен'
+        return
+      }
+  
+      const ethersProvider = new BrowserProvider(walletProvider.value)
+      const network = await ethersProvider.getNetwork()
+      console.log('Текущая сеть:', network.chainId)
+      
+      isCorrectNetwork.value = Number(network.chainId) === SEPOLIA_CHAIN_ID
+      
+      if (!isCorrectNetwork.value) {
+        error.value = `Пожалуйста, переключитесь на сеть Sepolia (${SEPOLIA_CHAIN_ID}). Текущая сеть: ${network.chainId}`
+      } else {
+        error.value = ''
+        await Promise.all([fetchPrice(), fetchOwner()])
+      }
+    } catch (err) {
+      console.error('Ошибка при проверке сети:', err)
+      isCorrectNetwork.value = false
+      error.value = 'Ошибка при проверке сети: ' + err.message
+    }
+  }
+  
+  // Обновляем функцию fetchPrice с обработкой ошибок
+  async function fetchPrice() {
+    try {
+      const contract = new Contract(contractAddress, contractABI, provider)
+      const price = await contract.price()
+      currentPrice.value = price
+      console.log('Текущая цена:', formatEther(price), 'ETH')
+    } catch (err) {
+      console.error('Ошибка при получении цены:', err)
+      error.value = `Не удалось получить текущую цену: ${err.message}`
+      currentPrice.value = null
+    }
+  }
+  
+  // Получение адреса владельца
+  async function fetchOwner() {
+    try {
+      const contract = new Contract(contractAddress, contractABI, provider)
+      contractOwner.value = await contract.owner()
+    } catch (err) {
+      console.error('Ошибка при получении адреса владельца:', err)
+    }
+  }
+  
+  // Обновляем onMounted
+  onMounted(async () => {
+    console.log('Компонент смонтирован')
+    
+    try {
+      await initializeContract()
+      
+      if (provider) {
+        const contract = new Contract(contractAddress, contractABI, provider)
+        
+        contract.on('Purchase', (buyer, amount) => {
+          console.log(`Новая покупка: ${amount} единиц от ${buyer}`)
+          fetchPrice()
+        })
+        
+        return () => {
+          contract.removeAllListeners('Purchase')
+        }
+      }
+    } catch (err) {
+      console.error('Ошибка при монтировании компонента:', err)
+    }
+  })
+  
+  // Добавляем функцию для расчета общей стоимости
+  function calculateTotalCost() {
+    if (!currentPrice.value || !amount.value) return BigInt(0)
+    return currentPrice.value * BigInt(amount.value)
+  }
+  
+  // Обновляем handlePurchase
+  async function handlePurchase() {
+    if (!amount.value) return
+    if (!isCorrectNetwork.value) {
+      error.value = 'Пожалуйста, переключитесь на сеть Sepolia'
+      return
+    }
+    
+    error.value = ''
+    success.value = ''
+    
+    try {
+      isLoading.value = true
+      const ethersProvider = new BrowserProvider(walletProvider.value)
+      const signer = await ethersProvider.getSigner()
+      const contract = new Contract(contractAddress, contractABI, signer)
+      
+      const totalCost = calculateTotalCost()
+      
+      // Проверяем баланс
+      const balance = await ethersProvider.getBalance(await signer.getAddress())
+      console.log('Баланс кошелька:', formatEther(balance), 'ETH')
+      
+      if (balance < totalCost) {
+        throw new Error(`Недостаточно средств. Нужно ${formatEther(totalCost)} ETH`)
+      }
+      
+      console.log('Общая стоимость:', formatEther(totalCost), 'ETH')
+      console.log('Параметры транзакции:', {
+        amount: amount.value,
+        totalCost: formatEther(totalCost),
+        from: await signer.getAddress()
+      })
+  
+      const tx = await contract.purchase(amount.value, {
+        value: totalCost,
+        gasLimit: 100000 // Явно указываем лимит газа
+      })
+      
+      console.log('Транзакция отправлена:', tx.hash)
+      await tx.wait()
+      console.log('Транзакция подтверждена')
+      
+      amount.value = ''
+      success.value = 'Покупка успешно совершена!'
+      await fetchPrice()
+    } catch (err) {
+      console.error('Ошибка при покупке:', err)
+      console.error('Детали ошибки:', {
+        code: err.code,
+        message: err.message,
+        data: err.data,
+        reason: err.reason
+      })
+      
+      if (err.message.includes('user rejected')) {
+        error.value = 'Транзакция отменена пользователем'
+      } else if (err.message.includes('Недостаточно средств')) {
+        error.value = err.message
+      } else {
+        error.value = 'Произошла ошибка при совершении покупки: ' + err.message
+      }
+    } finally {
+      isLoading.value = false
+    }
+  }
+  
+  // Добавляем новые функции
+  async function handleSetPrice() {
+    if (!newPrice.value) return
+    error.value = ''
+    success.value = ''
+    
+    try {
+      isLoading.value = true
+      const ethersProvider = new BrowserProvider(walletProvider.value)
+      const signer = await ethersProvider.getSigner()
+      const contract = new Contract(contractAddress, contractABI, signer)
+      
+      const priceInWei = parseEther(newPrice.value.toString())
+      const tx = await contract.setPrice(priceInWei)
+      await tx.wait()
+      
+      newPrice.value = ''
+      success.value = 'Цена успешно обновлена!'
+      await fetchPrice()
+    } catch (err) {
+      console.error('Ошибка при установке цены:', err)
+      error.value = 'Ошибка при установке цены: ' + err.message
+    } finally {
+      isLoading.value = false
+    }
+  }
+  
+  async function handleWithdraw() {
+    error.value = ''
+    success.value = ''
+    
+    try {
+      isLoading.value = true
+      const ethersProvider = new BrowserProvider(walletProvider.value)
+      const signer = await ethersProvider.getSigner()
+      const contract = new Contract(contractAddress, contractABI, signer)
+      
+      const tx = await contract.withdraw()
+      await tx.wait()
+      
+      success.value = 'Средства успешно выведены!'
+    } catch (err) {
+      console.error('Ошибка при выводе средств:', err)
+      error.value = 'Ошибка при выводе средств: ' + err.message
+    } finally {
+      isLoading.value = false
+    }
+  }
+  
+  async function disconnectWallet() {
+    try {
+      // Выходим из системы на сервере
+      const response = await fetch('http://127.0.0.1:3000/api/signout', {
+        method: 'POST',
+        credentials: 'include'
+      });
+  
+      if (!response.ok) {
+        throw new Error('Failed to sign out');
+      }
+  
+      // Отключаем кошелек
+      if (window.ethereum) {
+        await window.ethereum.request({
+          method: 'wallet_requestPermissions',
+          params: [{ eth_accounts: {} }]
+        });
+      }
+  
+      // Сбрасываем состояние
+      isConnected.value = false;
+      address.value = '';
+      
+      // Перезагружаем страницу для очистки состояния
+      window.location.reload();
+    } catch (error) {
+      console.error('Error disconnecting wallet:', error);
+      alert('Ошибка при отключении кошелька');
+    }
+  }
+  
+  defineExpose({
+    isConnected,
+    address
+  })
+  </script>
+  
+  <style scoped>
+  .contract-interaction {
+    padding: 20px;
+    max-width: 600px;
+    margin: 0 auto;
+    border: 1px solid #ddd;
+    border-radius: 8px;
+    background: white;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+  }
+  
+  .wallet-info {
+    margin-top: 20px;
+    padding: 15px;
+    background-color: #f5f5f5;
+    border-radius: 8px;
+  }
+  
+  .contract-controls {
+    margin-top: 20px;
+  }
+  
+  .input-group {
+    display: flex;
+    gap: 10px;
+    margin-top: 10px;
+  }
+  
+  .amount-input {
+    flex: 1;
+    padding: 8px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+  }
+  
+  .purchase-button {
+    padding: 8px 16px;
+    background-color: #4CAF50;
+    color: white;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+    transition: background-color 0.3s;
+  }
+  
+  .purchase-button:hover:not(:disabled) {
+    background-color: #45a049;
+  }
+  
+  .purchase-button:disabled {
+    background-color: #cccccc;
+    cursor: not-allowed;
+  }
+  
+  .error-message {
+    color: #dc3545;
+    padding: 10px;
+    margin: 10px 0;
+    background-color: #f8d7da;
+    border: 1px solid #f5c6cb;
+    border-radius: 4px;
+  }
+  
+  .price-info {
+    margin: 10px 0;
+    font-weight: bold;
+    color: #2c3e50;
+  }
+  
+  .owner-controls {
+    margin-top: 20px;
+    padding: 15px;
+    background-color: #f8f9fa;
+    border-radius: 8px;
+    border: 1px solid #e9ecef;
+  }
+  
+  .purchase-panel {
+    margin-top: 20px;
+  }
+  
+  .admin-button {
+    padding: 8px 16px;
+    background-color: #007bff;
+    color: white;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+    transition: background-color 0.3s;
+  }
+  
+  .admin-button:hover:not(:disabled) {
+    background-color: #0056b3;
+  }
+  
+  .withdraw-button {
+    margin-top: 10px;
+    background-color: #6c757d;
+  }
+  
+  .withdraw-button:hover:not(:disabled) {
+    background-color: #5a6268;
+  }
+  
+  .total-cost {
+    margin-top: 10px;
+    font-size: 0.9em;
+    color: #6c757d;
+  }
+  
+  .success-message {
+    color: #28a745;
+    margin-top: 10px;
+    font-size: 0.9em;
+  }
+  
+  .loading-message {
+    color: #6c757d;
+    text-align: center;
+    padding: 20px;
+    background-color: #f8f9fa;
+    border-radius: 4px;
+    margin: 10px 0;
+  }
+  
+  .auth-status {
+    margin: 10px 0;
+    padding: 10px;
+    background-color: #f8f9fa;
+    border-radius: 4px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+  }
+  
+  .authenticated {
+    color: #28a745;
+  }
+  
+  .signout-button {
+    padding: 5px 10px;
+    background-color: #dc3545;
+    color: white;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+  }
+  
+  .signout-button:hover {
+    background-color: #c82333;
+  }
+  
+  .connect-button {
+    padding: 10px 20px;
+    background-color: #4CAF50;
+    color: white;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 16px;
+    transition: background-color 0.3s;
+  }
+  
+  .connect-button:hover {
+    background-color: #45a049;
+  }
+  
+  .wallet-status {
+    display: flex;
+    justify-content: flex-end;
+    margin-bottom: 1rem;
+  }
+  
+  .disconnect-btn {
+    background-color: #dc3545;
+    color: white;
+    border: none;
+    padding: 0.5rem 1rem;
+    border-radius: 4px;
+    cursor: pointer;
+  }
+  
+  .disconnect-btn:hover {
+    background-color: #c82333;
+  }
+  
+  .contract-info {
+    text-align: left;
+    margin-bottom: 1rem;
+  }
+  
+  .contract-actions {
+    margin-top: 1rem;
+    display: flex;
+    justify-content: flex-end;
+  }
+  </style> 
\ No newline at end of file
diff --git a/frontend/src/components/ContractInteraction.vue b/frontend/src/components/ContractInteraction.vue
deleted file mode 100644
index 304b3a3..0000000
--- a/frontend/src/components/ContractInteraction.vue
+++ /dev/null
@@ -1,685 +0,0 @@
-<template>
-  <div class="contract-interaction">
-    <h2>Взаимодействие с контрактом</h2>
-    
-    <div v-if="!isInitialized" class="loading-message">
-      Загрузка контракта...
-    </div>
-    
-    <div v-if="!isConnected">
-      <button 
-        @click="connectWallet"
-        class="connect-button"
-      >
-        Подключить кошелек
-      </button>
-    </div>
-    
-    <div v-if="error" class="error-message">{{ error }}</div>
-    
-    <div v-if="isConnected && isCorrectNetwork" class="wallet-info">
-      <p>Адрес кошелька: {{ address }}</p>
-      
-      <div class="contract-controls">
-        <h3>Управление контрактом</h3>
-        <p v-if="currentPrice" class="price-info">
-          Текущая цена: {{ formatPrice(currentPrice) }} ETH
-        </p>
-
-        <!-- Панель управления для владельца -->
-        <div v-if="isOwner" class="owner-controls">
-          <h4>Панель владельца</h4>
-          <div class="input-group">
-            <input 
-              v-model="newPrice" 
-              type="number" 
-              step="0.001"
-              placeholder="Новая цена (ETH)"
-              class="amount-input"
-            />
-            <button 
-              @click="handleSetPrice" 
-              :disabled="!newPrice || isLoading"
-              class="admin-button"
-            >
-              Установить цену
-            </button>
-          </div>
-          <button 
-            @click="handleWithdraw" 
-            :disabled="isLoading"
-            class="admin-button withdraw-button"
-          >
-            Вывести средства
-          </button>
-        </div>
-
-        <!-- Панель покупки -->
-        <div class="purchase-panel">
-          <h4>Покупка</h4>
-          <div class="input-group">
-            <input 
-              v-model="amount" 
-              type="number" 
-              placeholder="Введите количество"
-              class="amount-input"
-            />
-            <button 
-              @click="handlePurchase" 
-              :disabled="!amount || isLoading"
-              class="purchase-button"
-            >
-              {{ isLoading ? 'Обработка...' : 'Купить' }}
-            </button>
-          </div>
-          <p v-if="amount && currentPrice" class="total-cost">
-            Общая стоимость: {{ formatPrice(calculateTotalCost()) }} ETH
-          </p>
-        </div>
-        
-        <p v-if="success" class="success-message">{{ success }}</p>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup>
-import { ref, onMounted, computed, watch } from 'vue'
-import { BrowserProvider, Contract, JsonRpcProvider, formatEther, parseEther, getAddress } from 'ethers'
-
-// Инициализируем все ref переменные в начале
-const amount = ref('')
-const newPrice = ref('')
-const isLoading = ref(false)
-const error = ref('')
-const success = ref('')
-const currentPrice = ref(null)
-const contractOwner = ref(null)
-const isCorrectNetwork = ref(false)
-const isConnected = ref(false)
-const isInitialized = ref(false)
-const address = ref(null)
-const walletProvider = ref(null)
-const isAuthenticated = ref(false)
-const statement = 'Sign in with Ethereum to access DApp features and AI Assistant'
-
-// Константы
-const SEPOLIA_CHAIN_ID = 11155111
-const provider = new JsonRpcProvider(import.meta.env.VITE_APP_ETHEREUM_NETWORK_URL)
-const contractAddress = '0xFF7602583E82C097Ae548Fc8B894F0a73089985E'
-const contractABI = [
-  {
-    "inputs": [{"internalType": "uint256", "name": "amount", "type": "uint256"}],
-    "name": "purchase",
-    "outputs": [],
-    "stateMutability": "payable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "price",
-    "outputs": [{"internalType": "uint256", "name": "", "type": "uint256"}],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "owner",
-    "outputs": [{"internalType": "address", "name": "", "type": "address"}],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [{"internalType": "uint256", "name": "newPrice", "type": "uint256"}],
-    "name": "setPrice",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "withdraw",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "anonymous": false,
-    "inputs": [
-      {"indexed": false, "internalType": "address", "name": "buyer", "type": "address"},
-      {"indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256"}
-    ],
-    "name": "Purchase",
-    "type": "event"
-  }
-]
-
-// Вычисляемые свойства
-const isOwner = computed(() => {
-  return address.value && contractOwner.value && 
-         address.value.toLowerCase() === contractOwner.value.toLowerCase()
-})
-
-// Функции
-function formatPrice(price) {
-  if (!price) return '0'
-  return formatEther(price)
-}
-
-// Функция инициализации контракта
-async function initializeContract() {
-  try {
-    if (!provider) {
-      throw new Error('Provider не доступен')
-    }
-    
-    const contract = new Contract(contractAddress, contractABI, provider)
-    await Promise.all([
-      contract.price().then(price => {
-        currentPrice.value = price
-        console.log('Начальная цена:', formatEther(price), 'ETH')
-      }),
-      contract.owner().then(owner => {
-        contractOwner.value = owner
-        console.log('Владелец контракта:', owner)
-      })
-    ])
-    
-    isInitialized.value = true
-  } catch (err) {
-    console.error('Ошибка при инициализации контракта:', err)
-    error.value = 'Ошибка при инициализации контракта: ' + err.message
-  }
-}
-
-// Функция подключения к MetaMask
-async function connectWallet() {
-  try {
-    // Проверяем доступность MetaMask
-    if (!window.ethereum) {
-      throw new Error('MetaMask не установлен')
-    }
-
-    // Запрашиваем доступ к аккаунту
-    const accounts = await window.ethereum.request({ 
-      method: 'eth_requestAccounts' 
-    })
-
-    // Сохраняем адрес и провайдер
-    address.value = accounts[0]
-    walletProvider.value = window.ethereum
-    isConnected.value = true
-
-    // SIWE аутентификация
-    try {
-      // Получаем nonce
-      const nonceResponse = await fetch(
-        'http://127.0.0.1:3000/nonce',
-        { credentials: 'include' }
-      );
-      const { nonce } = await nonceResponse.json();
-      
-      // Сохраняем nonce в localStorage
-      localStorage.setItem('siwe-nonce', nonce);
-      
-      // Создаем сообщение для подписи
-      const message = 
-        `${window.location.host} wants you to sign in with your Ethereum account:\n` +
-        `${getAddress(address.value)}\n\n` +
-        `${statement}\n\n` +
-        `URI: http://${window.location.host}\n` +
-        `Version: 1\n` +
-        `Chain ID: 11155111\n` +
-        `Nonce: ${nonce}\n` +
-        `Issued At: ${new Date().toISOString()}\n` +
-        `Resources:\n` +
-        `- http://${window.location.host}/api/chat\n` +
-        `- http://${window.location.host}/api/contract`;
-      
-      // Получаем подпись
-      const signature = await window.ethereum.request({
-        method: 'personal_sign',
-        params: [message, address.value]
-      });
-      
-      // Верифицируем подпись
-      const verifyResponse = await fetch(
-        'http://127.0.0.1:3000/verify',
-        {
-          method: 'POST',
-          headers: {
-            'Content-Type': 'application/json',
-            'X-SIWE-Nonce': nonce
-          },
-          credentials: 'include',
-          body: JSON.stringify({ message, signature })
-        }
-      );
-      
-      if (!verifyResponse.ok) {
-        throw new Error('Failed to verify signature');
-      }
-    } catch (error) {
-      console.error('SIWE error:', error);
-      throw new Error('Ошибка аутентификации');
-    }
-
-    // Подписываемся на изменение аккаунта
-    window.ethereum.on('accountsChanged', handleAccountsChanged)
-    window.ethereum.on('chainChanged', handleChainChanged)
-
-    await checkNetwork()
-  } catch (err) {
-    console.error('Ошибка при подключении кошелька:', err)
-    error.value = 'Ошибка при подключении кошелька: ' + err.message
-  }
-}
-
-// Обработчики событий MetaMask
-function handleAccountsChanged(accounts) {
-  if (accounts.length === 0) {
-    // MetaMask отключен
-    isConnected.value = false
-    address.value = null
-  } else {
-    // Аккаунт изменен
-    address.value = accounts[0]
-  }
-}
-
-function handleChainChanged() {
-  // При смене сети перезагружаем страницу
-  window.location.reload()
-}
-
-// Обновляем watch
-watch(isConnected, async (newValue) => {
-  try {
-    if (newValue) {
-      console.log('Кошелек подключен, адрес:', address.value)
-      
-      if (!isInitialized.value) {
-        await initializeContract()
-      }
-      await checkNetwork()
-    } else {
-      console.log('Кошелек отключен')
-      currentPrice.value = null
-      contractOwner.value = null
-      isCorrectNetwork.value = false
-      error.value = ''
-      isInitialized.value = false
-    }
-  } catch (err) {
-    console.error('Ошибка при обработке подключения:', err)
-    error.value = 'Ошибка при обработке подключения: ' + err.message
-  }
-}, { immediate: true })
-
-// Обновляем функцию проверки сети
-async function checkNetwork() {
-  try {
-    if (!walletProvider.value) {
-      isCorrectNetwork.value = false
-      error.value = 'Провайдер кошелька недоступен'
-      return
-    }
-
-    const ethersProvider = new BrowserProvider(walletProvider.value)
-    const network = await ethersProvider.getNetwork()
-    console.log('Текущая сеть:', network.chainId)
-    
-    isCorrectNetwork.value = Number(network.chainId) === SEPOLIA_CHAIN_ID
-    
-    if (!isCorrectNetwork.value) {
-      error.value = `Пожалуйста, переключитесь на сеть Sepolia (${SEPOLIA_CHAIN_ID}). Текущая сеть: ${network.chainId}`
-    } else {
-      error.value = ''
-      await Promise.all([fetchPrice(), fetchOwner()])
-    }
-  } catch (err) {
-    console.error('Ошибка при проверке сети:', err)
-    isCorrectNetwork.value = false
-    error.value = 'Ошибка при проверке сети: ' + err.message
-  }
-}
-
-// Обновляем функцию fetchPrice с обработкой ошибок
-async function fetchPrice() {
-  try {
-    const contract = new Contract(contractAddress, contractABI, provider)
-    const price = await contract.price()
-    currentPrice.value = price
-    console.log('Текущая цена:', formatEther(price), 'ETH')
-  } catch (err) {
-    console.error('Ошибка при получении цены:', err)
-    error.value = `Не удалось получить текущую цену: ${err.message}`
-    currentPrice.value = null
-  }
-}
-
-// Получение адреса владельца
-async function fetchOwner() {
-  try {
-    const contract = new Contract(contractAddress, contractABI, provider)
-    contractOwner.value = await contract.owner()
-  } catch (err) {
-    console.error('Ошибка при получении адреса владельца:', err)
-  }
-}
-
-// Обновляем onMounted
-onMounted(async () => {
-  console.log('Компонент смонтирован')
-  
-  try {
-    await initializeContract()
-    
-    if (provider) {
-      const contract = new Contract(contractAddress, contractABI, provider)
-      
-      contract.on('Purchase', (buyer, amount) => {
-        console.log(`Новая покупка: ${amount} единиц от ${buyer}`)
-        fetchPrice()
-      })
-      
-      return () => {
-        contract.removeAllListeners('Purchase')
-      }
-    }
-  } catch (err) {
-    console.error('Ошибка при монтировании компонента:', err)
-  }
-})
-
-// Добавляем функцию для расчета общей стоимости
-function calculateTotalCost() {
-  if (!currentPrice.value || !amount.value) return BigInt(0)
-  return currentPrice.value * BigInt(amount.value)
-}
-
-// Обновляем handlePurchase
-async function handlePurchase() {
-  if (!amount.value) return
-  if (!isCorrectNetwork.value) {
-    error.value = 'Пожалуйста, переключитесь на сеть Sepolia'
-    return
-  }
-  
-  error.value = ''
-  success.value = ''
-  
-  try {
-    isLoading.value = true
-    const ethersProvider = new BrowserProvider(walletProvider.value)
-    const signer = await ethersProvider.getSigner()
-    const contract = new Contract(contractAddress, contractABI, signer)
-    
-    const totalCost = calculateTotalCost()
-    
-    // Проверяем баланс
-    const balance = await ethersProvider.getBalance(await signer.getAddress())
-    console.log('Баланс кошелька:', formatEther(balance), 'ETH')
-    
-    if (balance < totalCost) {
-      throw new Error(`Недостаточно средств. Нужно ${formatEther(totalCost)} ETH`)
-    }
-    
-    console.log('Общая стоимость:', formatEther(totalCost), 'ETH')
-    console.log('Параметры транзакции:', {
-      amount: amount.value,
-      totalCost: formatEther(totalCost),
-      from: await signer.getAddress()
-    })
-
-    const tx = await contract.purchase(amount.value, {
-      value: totalCost,
-      gasLimit: 100000 // Явно указываем лимит газа
-    })
-    
-    console.log('Транзакция отправлена:', tx.hash)
-    await tx.wait()
-    console.log('Транзакция подтверждена')
-    
-    amount.value = ''
-    success.value = 'Покупка успешно совершена!'
-    await fetchPrice()
-  } catch (err) {
-    console.error('Ошибка при покупке:', err)
-    console.error('Детали ошибки:', {
-      code: err.code,
-      message: err.message,
-      data: err.data,
-      reason: err.reason
-    })
-    
-    if (err.message.includes('user rejected')) {
-      error.value = 'Транзакция отменена пользователем'
-    } else if (err.message.includes('Недостаточно средств')) {
-      error.value = err.message
-    } else {
-      error.value = 'Произошла ошибка при совершении покупки: ' + err.message
-    }
-  } finally {
-    isLoading.value = false
-  }
-}
-
-// Добавляем новые функции
-async function handleSetPrice() {
-  if (!newPrice.value) return
-  error.value = ''
-  success.value = ''
-  
-  try {
-    isLoading.value = true
-    const ethersProvider = new BrowserProvider(walletProvider.value)
-    const signer = await ethersProvider.getSigner()
-    const contract = new Contract(contractAddress, contractABI, signer)
-    
-    const priceInWei = parseEther(newPrice.value.toString())
-    const tx = await contract.setPrice(priceInWei)
-    await tx.wait()
-    
-    newPrice.value = ''
-    success.value = 'Цена успешно обновлена!'
-    await fetchPrice()
-  } catch (err) {
-    console.error('Ошибка при установке цены:', err)
-    error.value = 'Ошибка при установке цены: ' + err.message
-  } finally {
-    isLoading.value = false
-  }
-}
-
-async function handleWithdraw() {
-  error.value = ''
-  success.value = ''
-  
-  try {
-    isLoading.value = true
-    const ethersProvider = new BrowserProvider(walletProvider.value)
-    const signer = await ethersProvider.getSigner()
-    const contract = new Contract(contractAddress, contractABI, signer)
-    
-    const tx = await contract.withdraw()
-    await tx.wait()
-    
-    success.value = 'Средства успешно выведены!'
-  } catch (err) {
-    console.error('Ошибка при выводе средств:', err)
-    error.value = 'Ошибка при выводе средств: ' + err.message
-  } finally {
-    isLoading.value = false
-  }
-}
-
-defineExpose({
-  isConnected,
-  address
-})
-</script>
-
-<style scoped>
-.contract-interaction {
-  padding: 20px;
-  max-width: 600px;
-  margin: 0 auto;
-}
-
-.wallet-info {
-  margin-top: 20px;
-  padding: 15px;
-  background-color: #f5f5f5;
-  border-radius: 8px;
-}
-
-.contract-controls {
-  margin-top: 20px;
-}
-
-.input-group {
-  display: flex;
-  gap: 10px;
-  margin-top: 10px;
-}
-
-.amount-input {
-  flex: 1;
-  padding: 8px;
-  border: 1px solid #ddd;
-  border-radius: 4px;
-}
-
-.purchase-button {
-  padding: 8px 16px;
-  background-color: #4CAF50;
-  color: white;
-  border: none;
-  border-radius: 4px;
-  cursor: pointer;
-  transition: background-color 0.3s;
-}
-
-.purchase-button:hover:not(:disabled) {
-  background-color: #45a049;
-}
-
-.purchase-button:disabled {
-  background-color: #cccccc;
-  cursor: not-allowed;
-}
-
-.error-message {
-  color: #dc3545;
-  padding: 10px;
-  margin: 10px 0;
-  background-color: #f8d7da;
-  border: 1px solid #f5c6cb;
-  border-radius: 4px;
-}
-
-.price-info {
-  margin: 10px 0;
-  font-weight: bold;
-  color: #2c3e50;
-}
-
-.owner-controls {
-  margin-top: 20px;
-  padding: 15px;
-  background-color: #f8f9fa;
-  border-radius: 8px;
-  border: 1px solid #e9ecef;
-}
-
-.purchase-panel {
-  margin-top: 20px;
-}
-
-.admin-button {
-  padding: 8px 16px;
-  background-color: #007bff;
-  color: white;
-  border: none;
-  border-radius: 4px;
-  cursor: pointer;
-  transition: background-color 0.3s;
-}
-
-.admin-button:hover:not(:disabled) {
-  background-color: #0056b3;
-}
-
-.withdraw-button {
-  margin-top: 10px;
-  background-color: #6c757d;
-}
-
-.withdraw-button:hover:not(:disabled) {
-  background-color: #5a6268;
-}
-
-.total-cost {
-  margin-top: 10px;
-  font-size: 0.9em;
-  color: #6c757d;
-}
-
-.success-message {
-  color: #28a745;
-  margin-top: 10px;
-  font-size: 0.9em;
-}
-
-.loading-message {
-  color: #6c757d;
-  text-align: center;
-  padding: 20px;
-  background-color: #f8f9fa;
-  border-radius: 4px;
-  margin: 10px 0;
-}
-
-.auth-status {
-  margin: 10px 0;
-  padding: 10px;
-  background-color: #f8f9fa;
-  border-radius: 4px;
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-}
-
-.authenticated {
-  color: #28a745;
-}
-
-.signout-button {
-  padding: 5px 10px;
-  background-color: #dc3545;
-  color: white;
-  border: none;
-  border-radius: 4px;
-  cursor: pointer;
-}
-
-.signout-button:hover {
-  background-color: #c82333;
-}
-
-.connect-button {
-  padding: 10px 20px;
-  background-color: #4CAF50;
-  color: white;
-  border: none;
-  border-radius: 4px;
-  cursor: pointer;
-  font-size: 16px;
-  transition: background-color 0.3s;
-}
-
-.connect-button:hover {
-  background-color: #45a049;
-}
-</style> 
\ No newline at end of file
diff --git a/frontend/src/components/DataTables.vue b/frontend/src/components/DataTables.vue
deleted file mode 100644
index f354fa7..0000000
--- a/frontend/src/components/DataTables.vue
+++ /dev/null
@@ -1,163 +0,0 @@
-<template>
-  <div class="data-tables" v-if="isConnected">
-    <h3>Данные из базы</h3>
-    
-    <!-- История чатов -->
-    <div class="table-section">
-      <h4>История чатов</h4>
-      <table>
-        <thead>
-          <tr>
-            <th>Адрес</th>
-            <th>Сообщение</th>
-            <th>Ответ</th>
-            <th>Дата</th>
-          </tr>
-        </thead>
-        <tbody>
-          <tr v-for="chat in chatHistory" :key="chat.id">
-            <td>{{ shortenAddress(chat.address) }}</td>
-            <td>{{ chat.message }}</td>
-            <td>{{ chat.response }}</td>
-            <td>{{ formatDate(chat.created_at) }}</td>
-          </tr>
-        </tbody>
-      </table>
-    </div>
-
-    <!-- Пользователи -->
-    <div class="table-section">
-      <h4>Пользователи</h4>
-      <table>
-        <thead>
-          <tr>
-            <th>ID</th>
-            <th>Адрес</th>
-            <th>Дата регистрации</th>
-          </tr>
-        </thead>
-        <tbody>
-          <tr v-for="user in users" :key="user.id">
-            <td>{{ user.id }}</td>
-            <td>{{ shortenAddress(user.address) }}</td>
-            <td>{{ formatDate(user.created_at) }}</td>
-          </tr>
-        </tbody>
-      </table>
-    </div>
-  </div>
-</template>
-
-<script setup>
-import { ref, onMounted, watch } from 'vue';
-
-const props = defineProps({
-  isConnected: Boolean,
-  userAddress: String
-});
-
-const chatHistory = ref([]);
-const users = ref([]);
-
-// Нормализация адреса (приведение к нижнему регистру)
-function normalizeAddress(address) {
-  return address?.toLowerCase() || '';
-}
-
-// Следим за изменением состояния подключения
-watch(() => props.isConnected, (newValue) => {
-  console.log('isConnected изменился:', newValue);
-  if (newValue) {
-    fetchData();
-  }
-});
-
-// Следим за изменением адреса
-watch(() => props.userAddress, (newValue) => {
-  console.log('userAddress изменился:', newValue);
-  if (props.isConnected && newValue) {
-    fetchData();
-  }
-});
-
-// Получение данных
-async function fetchData() {
-  try {
-    console.log('Запрос обновления данных');
-    // История чатов
-    const chatResponse = await fetch('http://127.0.0.1:3000/api/chat/history', {
-      credentials: 'include'
-    });
-    const chatData = await chatResponse.json();
-    console.log('Получена история чата:', chatData);
-    chatHistory.value = chatData.history.map(chat => ({
-      ...chat,
-      address: normalizeAddress(chat.address)
-    }));
-
-    // Пользователи
-    const usersResponse = await fetch('http://127.0.0.1:3000/api/users', {
-      credentials: 'include'
-    });
-    const usersData = await usersResponse.json();
-    console.log('Получен список пользователей:', usersData);
-    users.value = usersData.users.map(user => ({
-      ...user,
-      address: normalizeAddress(user.address)
-    }));
-  } catch (error) {
-    console.error('Ошибка получения данных:', error);
-  }
-}
-
-// Форматирование адреса
-function shortenAddress(address) {
-  return `${address.slice(0, 6)}...${address.slice(-4)}`;
-}
-
-// Форматирование даты
-function formatDate(date) {
-  return new Date(date).toLocaleString();
-}
-
-onMounted(() => {
-  if (props.isConnected) {
-    fetchData();
-  }
-});
-
-// Делаем метод доступным извне
-defineExpose({
-  fetchData
-});
-</script>
-
-<style scoped>
-.data-tables {
-  margin: 20px;
-}
-
-.table-section {
-  margin-bottom: 30px;
-}
-
-table {
-  width: 100%;
-  border-collapse: collapse;
-  margin-top: 10px;
-}
-
-th, td {
-  border: 1px solid #ddd;
-  padding: 8px;
-  text-align: left;
-}
-
-th {
-  background-color: #f5f5f5;
-}
-
-tr:nth-child(even) {
-  background-color: #f9f9f9;
-}
-</style> 
\ No newline at end of file
diff --git a/frontend/src/components/ServerControl.vue b/frontend/src/components/ServerControl.vue
deleted file mode 100644
index 285b548..0000000
--- a/frontend/src/components/ServerControl.vue
+++ /dev/null
@@ -1,54 +0,0 @@
-<template>
-  <div class="server-control">
-    <button 
-      @click="stopServer"
-      class="stop-button"
-      :disabled="isLoading"
-    >
-      {{ isLoading ? 'Останавливается...' : 'Остановить сервер' }}
-    </button>
-  </div>
-</template>
-
-<script setup>
-import { ref } from 'vue'
-
-const isLoading = ref(false)
-
-async function stopServer() {
-  if (!confirm('Вы уверены, что хотите остановить сервер?')) return
-  
-  isLoading.value = true
-  try {
-    const response = await fetch('http://localhost:3000/shutdown', {
-      method: 'POST'
-    })
-    const data = await response.json()
-    console.log(data.message)
-  } catch (error) {
-    console.error('Ошибка при остановке сервера:', error)
-  } finally {
-    isLoading.value = false
-  }
-}
-</script>
-
-<style scoped>
-.server-control {
-  margin-top: 20px;
-}
-
-.stop-button {
-  background-color: #dc3545;
-  color: white;
-  border: none;
-  padding: 8px 16px;
-  border-radius: 4px;
-  cursor: pointer;
-}
-
-.stop-button:disabled {
-  background-color: #dc354580;
-  cursor: not-allowed;
-}
-</style> 
\ No newline at end of file
diff --git a/frontend/src/components/Sidebar/Sidebar.vue b/frontend/src/components/Sidebar/Sidebar.vue
new file mode 100644
index 0000000..52e7758
--- /dev/null
+++ b/frontend/src/components/Sidebar/Sidebar.vue
@@ -0,0 +1,180 @@
+<template>
+  <div class="sidebar" :class="{ 'collapsed': isSidebarCollapsed }">
+    <div class="sidebar-content">
+      <!-- AI Assistant Section -->
+      <div class="sidebar-section">
+        <div class="section-header" @click="toggleSidebarOrSection">
+          <span v-if="!isSidebarCollapsed">
+            <span>ИИ Ассистент</span>
+          </span>
+          <span v-else class="section-letter">AI</span>
+        </div>
+        <div class="section-content" v-show="!isSidebarCollapsed">
+          <SidebarItem 
+            to="/ai/chats"
+            text="Чаты"
+          />
+          <template v-if="isAdmin">
+            <SidebarItem 
+              to="/ai/users"
+              text="Пользователи"
+            />
+            <SidebarItem 
+              to="/ai/vectorstore"
+              text="Векторное хранилище"
+            />
+          </template>
+        </div>
+      </div>
+
+      <!-- Smart Contract Section -->
+      <div v-if="isAdmin" class="sidebar-section">
+        <div class="section-header" @click="toggleSidebarOrSection">
+          <span v-if="!isSidebarCollapsed">
+            <span>Смарт Контракт</span>
+          </span>
+          <span v-else class="section-letter">SK</span>
+        </div>
+        <div class="section-content" v-show="!isSidebarCollapsed">
+          <SidebarItem 
+            to="/contract/deploy"
+            icon="🚀"
+            text="Деплой"
+          />
+          <SidebarItem 
+            to="/contract/manage"
+            icon="⚙️"
+            text="Управление"
+          />
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+import SidebarItem from './SidebarItem.vue'
+
+const props = defineProps({
+  isAdmin: {
+    type: Boolean,
+    required: true
+  }
+})
+
+const emit = defineEmits(['update:collapsed'])
+
+const aiExpanded = ref(true)
+const contractExpanded = ref(true)
+const isSidebarCollapsed = ref(false)
+
+function toggleAI() {
+  aiExpanded.value = !aiExpanded.value
+}
+
+function toggleContract() {
+  contractExpanded.value = !contractExpanded.value
+}
+
+function toggleSidebar() {
+  isSidebarCollapsed.value = !isSidebarCollapsed.value
+  emit('update:collapsed', isSidebarCollapsed.value)
+}
+
+function toggleSidebarOrSection(event) {
+  if (isSidebarCollapsed.value) {
+    isSidebarCollapsed.value = false
+    emit('update:collapsed', false)
+  }
+}
+</script>
+
+<style scoped>
+.sidebar {
+  width: 250px;
+  background: white;
+  color: #2c3e50;
+  padding: 1.5rem 0;
+  position: fixed;
+  top: 70px;
+  left: 0;
+  overflow-y: auto;
+  z-index: 100;
+  transition: all 0.3s ease;
+  height: calc(100vh - 70px);
+}
+
+.sidebar.collapsed {
+  width: 60px;
+  padding: 1rem 0;
+  background: #2c3e50;
+}
+
+.sidebar-section {
+  margin-bottom: 1rem;
+  color: #2c3e50;
+}
+
+.section-header {
+  display: flex;
+  align-items: center;
+  padding: 0.75rem 2rem;
+  cursor: pointer;
+  transition: background-color 0.3s;
+  color: #2c3e50;
+  font-weight: 500;
+  height: 44px;
+  user-select: none;
+}
+
+.section-header:hover {
+  background-color: rgba(0,0,0,0.05);
+}
+
+.icon {
+  display: none;
+}
+
+.section-content {
+  margin-left: 2rem;
+  padding-top: 0.25rem;
+}
+
+/* Стили для активных ссылок */
+:deep(.router-link-active) {
+  background-color: rgba(0,0,0,0.1);
+}
+
+.section-letter {
+  color: white;
+  font-weight: bold;
+  font-size: 1.2rem;
+  cursor: pointer;
+  display: block;
+  text-align: center;
+  line-height: 40px;
+  height: 40px;
+}
+
+.collapsed .section-header {
+  height: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0;
+}
+
+.collapsed .section-header:hover .section-letter {
+  opacity: 0.8;
+}
+
+/* Стили для пунктов меню */
+:deep(.sidebar-link) {
+  height: 36px;
+  display: flex;
+  align-items: center;
+  padding: 0 0.75rem;
+}
+</style>
+
diff --git a/frontend/src/components/Sidebar/SidebarItem.vue b/frontend/src/components/Sidebar/SidebarItem.vue
new file mode 100644
index 0000000..dbccfa3
--- /dev/null
+++ b/frontend/src/components/Sidebar/SidebarItem.vue
@@ -0,0 +1,73 @@
+<template>
+  <router-link 
+    :to="to" 
+    class="sidebar-item"
+    :class="{ 'router-link-active': $route.path === to }"
+    custom
+    v-slot="{ navigate, isActive }"
+  >
+    <div 
+      @click="navigate"
+      class="sidebar-link"
+      :class="{ active: isActive }"
+    >
+      <span class="text">{{ text }}</span>
+    </div>
+  </router-link>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+import { useRoute } from 'vue-router/dist/vue-router.esm-bundler'
+
+const props = defineProps({
+  to: {
+    type: String,
+    required: true
+  },
+  icon: {
+    type: String,
+    default: '📄'
+  },
+  text: {
+    type: String,
+    required: true
+  }
+})
+
+const route = useRoute()
+const isActive = computed(() => route.path === props.to)
+</script>
+
+<style scoped>
+.sidebar-link {
+  display: flex;
+  align-items: center;
+  padding: 0 0.75rem;
+  color: #2c3e50;
+  text-decoration: none;
+  border-radius: 4px;
+  transition: background-color 0.3s;
+  cursor: pointer;
+  height: 36px;
+}
+
+.sidebar-link:hover {
+  background-color: rgba(0,0,0,0.05);
+}
+
+.sidebar-link.active {
+  background-color: rgba(0,0,0,0.1);
+  font-weight: 500;
+}
+
+.icon {
+  margin-right: 0.5rem;
+}
+
+.text {
+  font-size: 0.9rem;
+  color: inherit;
+  line-height: 1;
+}
+</style>
diff --git a/frontend/src/components/WalletConnection.vue b/frontend/src/components/WalletConnection.vue
new file mode 100644
index 0000000..d1a75b9
--- /dev/null
+++ b/frontend/src/components/WalletConnection.vue
@@ -0,0 +1,243 @@
+<template>
+  <div class="wallet-connection">
+    <div v-if="!isConnected" class="header">
+      <h1>DApp for Business</h1>
+      <button 
+        @click="connectWallet"
+        class="connect-button"
+      >
+        Подключить кошелек
+      </button>
+    </div>
+    <div v-else class="header">
+      <h1>DApp for Business</h1>
+      <div class="wallet-info">
+        <span class="address">{{ shortenAddress(userAddress) }}</span>
+        <button @click="disconnectWallet" class="disconnect-btn">
+          Отключить
+        </button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue';
+
+const props = defineProps({
+  isConnected: Boolean,
+  userAddress: String
+});
+
+const emit = defineEmits(['connect', 'disconnect']);
+
+// Проверка сессии при загрузке
+async function checkSession() {
+  try {
+    const response = await fetch('http://127.0.0.1:3000/api/session', {
+      credentials: 'include'
+    });
+    
+    if (!response.ok) return;
+    
+    const data = await response.json();
+    if (data.authenticated) {
+      emit('connect', data.address);
+    }
+  } catch (error) {
+    console.error('Ошибка проверки сессии:', error);
+  }
+}
+
+async function connectWallet() {
+  try {
+    if (!window.ethereum) {
+      alert('Пожалуйста, установите MetaMask для работы с приложением');
+      window.open('https://metamask.io/download.html', '_blank');
+      return;
+    }
+
+    const accounts = await window.ethereum.request({
+      method: 'eth_requestAccounts'
+    });
+
+    if (accounts.length > 0) {
+      const address = accounts[0];
+      
+      // Получаем nonce
+      const nonceResponse = await fetch('http://127.0.0.1:3000/api/nonce', {
+        credentials: 'include'
+      });
+      
+      if (!nonceResponse.ok) {
+        throw new Error('Failed to get nonce');
+      }
+      
+      const { nonce } = await nonceResponse.json();
+      
+      // Создаем сообщение для подписи
+      const message = {
+        domain: window.location.host,
+        address: address,
+        statement: 'Sign in with Ethereum to access DApp features and AI Assistant',
+        uri: window.location.origin,
+        version: '1',
+        chainId: '11155111',
+        nonce: nonce,
+        issuedAt: new Date().toISOString(),
+        resources: [
+          `${window.location.origin}/api/chat`,
+          `${window.location.origin}/api/contract`
+        ]
+      };
+      
+      console.log('Подписываем сообщение:', message);
+      
+      // Получаем подпись
+      const signature = await window.ethereum.request({
+        method: 'personal_sign',
+        params: [
+          JSON.stringify(message, null, 2),
+          address
+        ]
+      });
+      
+      console.log('Получена подпись:', signature);
+      
+      // Верифицируем подпись
+      const verifyResponse = await fetch('http://127.0.0.1:3000/api/verify', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        },
+        credentials: 'include',
+        body: JSON.stringify({
+          message,
+          signature
+        })
+      });
+      
+      if (!verifyResponse.ok) {
+        const error = await verifyResponse.text();
+        throw new Error(`Failed to verify signature: ${error}`);
+      }
+      
+      const { isAdmin } = await verifyResponse.json();
+      emit('connect', address);
+      return isAdmin;
+    }
+  } catch (error) {
+    console.error('Ошибка подключения:', error);
+    alert('Ошибка подключения кошелька: ' + error.message);
+  }
+}
+
+async function disconnectWallet() {
+  try {
+    // Выходим из системы
+    const response = await fetch('http://127.0.0.1:3000/api/signout', {
+      method: 'POST',
+      credentials: 'include'
+    });
+
+    if (!response.ok) {
+      throw new Error('Failed to sign out');
+    }
+
+    emit('disconnect');
+  } catch (error) {
+    console.error('Error disconnecting:', error);
+    alert('Ошибка при отключении');
+  }
+}
+
+function shortenAddress(address) {
+  if (!address) return '';
+  return `${address.slice(0, 6)}...${address.slice(-4)}`;
+}
+
+onMounted(() => {
+  checkSession();
+});
+</script>
+
+<style scoped>
+.wallet-connection {
+  display: flex;
+  justify-content: space-between;
+  padding: 1.5rem 2rem;
+  background: white;
+  width: 100%;
+  position: fixed;
+  top: 0;
+  left: 0;
+  z-index: 99;
+  box-sizing: border-box;
+}
+
+.header {
+  width: 100%;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+h1 {
+  margin: 0;
+  font-size: 1.5rem;
+  color: #2c3e50;
+  font-weight: 600;
+  line-height: 1;
+}
+
+.connect-button {
+  padding: 0.5rem 1rem;
+  background-color: #4CAF50;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 1rem;
+  min-width: 180px;
+  text-align: center;
+}
+
+.connect-btn,
+.disconnect-btn {
+  padding: 0.5rem 1rem;
+  height: 36px;
+  line-height: 1;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  color: white;
+}
+
+.connect-btn {
+  background: #28a745;
+}
+
+.disconnect-btn {
+  padding: 0.5rem 1rem;
+  background-color: #dc3545;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  white-space: nowrap;
+}
+
+.wallet-info {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+}
+
+.address {
+  font-family: monospace;
+  background: #e9ecef;
+  padding: 0.25rem 0.5rem;
+  border-radius: 4px;
+  font-size: 0.9rem;
+}
+</style> 
\ No newline at end of file
diff --git a/frontend/src/main.js b/frontend/src/main.js
index b3a4235..372d1b6 100644
--- a/frontend/src/main.js
+++ b/frontend/src/main.js
@@ -1,6 +1,8 @@
 import { createApp } from 'vue'
+import router from './router/index.js'
 import App from './App.vue'
 
 // Создаем и монтируем приложение Vue
 const app = createApp(App)
+app.use(router)
 app.mount('#app') 
\ No newline at end of file
diff --git a/frontend/src/router/index.js b/frontend/src/router/index.js
new file mode 100644
index 0000000..6dd6a41
--- /dev/null
+++ b/frontend/src/router/index.js
@@ -0,0 +1,63 @@
+import { createRouter, createWebHistory } from 'vue-router'
+import Chats from '../components/AI/Chats.vue'
+import Users from '../components/AI/Users.vue'
+import VectorStore from '../components/AI/VectorStore.vue'
+import Deploy from '../components/Contract/Deploy.vue'
+import Manage from '../components/Contract/Manage.vue'
+
+// Защита маршрутов для админа
+const requireAdmin = async (to, from, next) => {
+  try {
+    const response = await fetch('http://127.0.0.1:3000/api/admin/check', {
+      credentials: 'include'
+    })
+    if (response.ok) {
+      const { isAdmin } = await response.json()
+      if (isAdmin) {
+        next()
+        return
+      }
+    }
+    next('/')
+  } catch (error) {
+    console.error('Ошибка проверки прав:', error)
+    next('/')
+  }
+}
+
+const routes = [
+  {
+    path: '/',
+    redirect: '/ai/chats'
+  },
+  {
+    path: '/ai/chats',
+    name: 'chats',
+    component: Chats
+  },
+  {
+    path: '/ai/users',
+    beforeEnter: requireAdmin,
+    component: Users
+  },
+  {
+    path: '/ai/vectorstore',
+    beforeEnter: requireAdmin,
+    component: VectorStore
+  },
+  {
+    path: '/contract/deploy',
+    beforeEnter: requireAdmin,
+    component: Deploy
+  },
+  {
+    path: '/contract/manage',
+    beforeEnter: requireAdmin,
+    component: Manage
+  }
+]
+
+export default createRouter({
+  history: createWebHistory(),
+  routes
+}) 
\ No newline at end of file
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 7ad2a7c..6d7ce05 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -271,7 +271,7 @@
   dependencies:
     undici-types "~6.19.2"
 
-"@vitejs/plugin-vue@^5.0.4":
+"@vitejs/plugin-vue@^5.0.3":
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/@vitejs/plugin-vue/-/plugin-vue-5.2.1.tgz#d1491f678ee3af899f7ae57d9c21dc52a65c7133"
   integrity sha512-cxh314tzaWwOLqVes2gnnCtvBDcM1UMdn+iFR+UjAn411dPT3tOmqrJjbMd7koZpMAmBM/GqeV4n9ge7JSiJJQ==
@@ -318,6 +318,11 @@
     "@vue/compiler-dom" "3.5.13"
     "@vue/shared" "3.5.13"
 
+"@vue/devtools-api@^6.6.4":
+  version "6.6.4"
+  resolved "https://registry.yarnpkg.com/@vue/devtools-api/-/devtools-api-6.6.4.tgz#cbe97fe0162b365edc1dba80e173f90492535343"
+  integrity sha512-sGhTPMuXqZ1rVOk32RylztWkfXTRhuS7vgAKv0zjqk8gbsHkJ7xfFf+jbySxt7tWObEJwyKaHMikV/WGDiQm8g==
+
 "@vue/reactivity@3.5.13":
   version "3.5.13"
   resolved "https://registry.yarnpkg.com/@vue/reactivity/-/reactivity-3.5.13.tgz#b41ff2bb865e093899a22219f5b25f97b6fe155f"
@@ -405,7 +410,7 @@ estree-walker@^2.0.2:
   resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-2.0.2.tgz#52f010178c2a4c117a7757cfe942adb7d2da4cac"
   integrity sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==
 
-ethers@^6.13.5:
+ethers@^6.11.1:
   version "6.13.5"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-6.13.5.tgz#8c1d6ac988ac08abc3c1d8fabbd4b8b602851ac4"
   integrity sha512-+knKNieu5EKRThQJWwqaJ10a6HE9sSehGeqWN65//wE7j47ZpFhKAnHB/JJFibwwg61I/koxaPsXbXpD/skNOQ==
@@ -492,7 +497,7 @@ undici-types@~6.19.2:
   resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-6.19.8.tgz#35111c9d1437ab83a7cdc0abae2f26d88eda0a02"
   integrity sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==
 
-vite@^5.1.7:
+vite@^5.0.11:
   version "5.4.14"
   resolved "https://registry.yarnpkg.com/vite/-/vite-5.4.14.tgz#ff8255edb02134df180dcfca1916c37a6abe8408"
   integrity sha512-EK5cY7Q1D8JNhSaPKVK4pwBFvaTmZxEnoKXLG/U9gmdDcihQGNzFlgIvaxezFR4glP1LsuiedwMBqCXH3wZccA==
@@ -503,7 +508,14 @@ vite@^5.1.7:
   optionalDependencies:
     fsevents "~2.3.3"
 
-vue@^3.4.21:
+vue-router@^4.2.5:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-4.5.0.tgz#58fc5fe374e10b6018f910328f756c3dae081f14"
+  integrity sha512-HDuk+PuH5monfNuY+ct49mNmkCRK4xJAV9Ts4z9UFc4rzdDnxQLyCMGGc8pKhZhHTVzfanpNwB/lwqevcBwI4w==
+  dependencies:
+    "@vue/devtools-api" "^6.6.4"
+
+vue@^3.4.15:
   version "3.5.13"
   resolved "https://registry.yarnpkg.com/vue/-/vue-3.5.13.tgz#9f760a1a982b09c0c04a867903fc339c9f29ec0a"
   integrity sha512-wmeiSMxkZCSc+PM2w2VRsOYAZC8GdipNFRTsLSfodVqI9mbejKeXEGr8SckuLnrQPGe3oJN5c3K0vpoU9q/wCQ==