fix: yield to event loop after each SSE write to flush socket

The for-await loop over OpenAI stream chunks runs synchronously when
data is buffered, causing res.write() calls to queue without flushing.
Add setImmediate yield after each progress event so the event loop
reaches its I/O phase and pushes data to the network immediately.

.gitattributes

@@ -0,0 +1,6 @@
+# Единые правила переносов строк для всех машин
+* text=auto eol=lf
+
+# Windows-скрипты — исключение, им нужен CRLF
+*.bat text eol=crlf
+*.cmd text eol=crlf

Dockerfile.backend

@@ -5,6 +5,11 @@ COPY package.json package-lock.json* ./
 COPY shared ./shared
 COPY backend ./backend
 
+# Увеличенные таймауты для нестабильной сети
+RUN npm config set fetch-retry-mintimeout 20000 && \
+    npm config set fetch-retry-maxtimeout 120000 && \
+    npm config set fetch-timeout 300000
+
 RUN npm install
 
 FROM node:20-alpine AS build
@@ -25,6 +30,7 @@ ENV NODE_ENV=production
 COPY --from=build /app/backend/dist ./dist
 COPY --from=build /app/backend/package.json ./package.json
 COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/backend/node_modules/ ./node_modules/
 COPY backend/.env .env
 
 EXPOSE 3000

Dockerfile.frontend

@@ -9,6 +9,11 @@ COPY package.json package-lock.json* tsconfig.json* ./
 COPY shared ./shared
 COPY frontend ./frontend
 
+# Увеличиваем таймауты и повторы для нестабильной сети
+RUN npm config set fetch-retry-mintimeout 20000 && \
+    npm config set fetch-retry-maxtimeout 120000 && \
+    npm config set fetch-timeout 300000
+
 # Устанавливаем зависимости из корня
 RUN npm install
 

backend/.env.example

@@ -18,3 +18,6 @@ LLM_API_KEY=
 # Базовый URL API LLM (опционально). По умолчанию https://api.openai.com
 # Примеры: Ollama — http://localhost:11434/v1, Azure — https://YOUR_RESOURCE.openai.azure.com/openai/deployments/YOUR_DEPLOYMENT
 LLM_API_BASE_URL=
+
+# Имя модели LLM (опционально). Для OpenAI: gpt-4o-mini. Для Ollama: qwen2.5:7b, qwen3:7b
+LLM_MODEL=

backend/package.json

@@ -6,7 +6,9 @@
     "dev": "tsx watch src/app.ts",
     "build": "tsc",
     "start": "node dist/app.js",
-    "migrate": "tsx src/db/migrate.ts"
+    "migrate": "tsx src/db/migrate.ts",
+    "migrate:prod": "node dist/db/migrate.js",
+    "test:llm": "tsx src/scripts/testLlm.ts"
   },
   "dependencies": {
     "@family-budget/shared": "*",
@@ -16,7 +18,7 @@
     "express": "^5.2.1",
     "multer": "^2.1.1",
     "openai": "^6.27.0",
-    "pdf-parse": "^2.4.5",
+    "pdf-parse": "1.1.1",
     "pg": "^8.19.0",
     "uuid": "^13.0.0"
   },

backend/src/config.ts

@@ -24,4 +24,7 @@ export const config = {
 
   /** Базовый URL API LLM. По умолчанию https://api.openai.com. Для Ollama: http://localhost:11434/v1 */
   llmApiBaseUrl: process.env.LLM_API_BASE_URL || undefined,
+
+  /** Имя модели LLM. Для OpenAI: gpt-4o-mini. Для Ollama: qwen2.5:7b, qwen3:7b и т.п. */
+  llmModel: process.env.LLM_MODEL || 'gpt-4o-mini',
 };

backend/src/db/pool.ts

@@ -7,4 +7,5 @@ export const pool = new Pool({
   database: config.db.database,
   user: config.db.user,
   password: config.db.password,
+  connectionTimeoutMillis: 5000,
 });

backend/src/routes/import.ts

@@ -3,7 +3,7 @@ import multer from 'multer';
 import { asyncHandler } from '../utils';
 import { importStatement, isValidationError } from '../services/import';
 import {
-  convertPdfToStatement,
+  convertPdfToStatementStreaming,
   isPdfConversionError,
 } from '../services/pdfToStatement';
 
@@ -28,6 +28,10 @@ function isJsonFile(file: { mimetype: string; originalname: string }): boolean {
   );
 }
 
+function sseWrite(res: import('express').Response, data: Record<string, unknown>) {
+  res.write(`data: ${JSON.stringify(data)}\n\n`);
+}
+
 const router = Router();
 
 router.post(
@@ -51,28 +55,68 @@ router.post(
       return;
     }
 
-    let body: unknown;
-
     if (isPdfFile(file)) {
-      const converted = await convertPdfToStatement(file.buffer);
+      res.setHeader('Content-Type', 'text/event-stream');
-      if (isPdfConversionError(converted)) {
+      res.setHeader('Cache-Control', 'no-cache');
-        res.status(converted.status).json({
+      res.setHeader('Connection', 'keep-alive');
-          error: converted.error,
+      res.setHeader('X-Accel-Buffering', 'no');
-          message: converted.message,
+      res.socket?.setNoDelay(true);
-        });
+      res.flushHeaders();
-        return;
+
-      }
-      body = converted;
-    } else {
       try {
-        body = JSON.parse(file.buffer.toString('utf-8'));
+        const converted = await convertPdfToStatementStreaming(
-      } catch {
+          file.buffer,
-        res.status(400).json({
+          (stage, progress, message) => {
-          error: 'BAD_REQUEST',
+            sseWrite(res, { stage, progress, message });
-          message: 'Некорректный JSON-файл',
+          },
+        );
+
+        if (isPdfConversionError(converted)) {
+          sseWrite(res, {
+            stage: 'error',
+            message: converted.message,
+          });
+          res.end();
+          return;
+        }
+
+        const result = await importStatement(converted);
+        if (isValidationError(result)) {
+          sseWrite(res, {
+            stage: 'error',
+            message: (result as { message: string }).message,
+          });
+          res.end();
+          return;
+        }
+
+        sseWrite(res, {
+          stage: 'done',
+          progress: 100,
+          result,
+        });
+      } catch (err) {
+        console.error('SSE import error:', err);
+        sseWrite(res, {
+          stage: 'error',
+          message: 'Внутренняя ошибка сервера',
         });
-        return;
       }
+
+      res.end();
+      return;
+    }
+
+    // JSON files — synchronous response as before
+    let body: unknown;
+    try {
+      body = JSON.parse(file.buffer.toString('utf-8'));
+    } catch {
+      res.status(400).json({
+        error: 'BAD_REQUEST',
+        message: 'Некорректный JSON-файл',
+      });
+      return;
     }
 
     const result = await importStatement(body);

backend/src/scripts/testLlm.ts

@@ -0,0 +1,42 @@
+/**
+ * Тестовый запрос к LLM серверу.
+ * Запуск: npm run test:llm
+ */
+import OpenAI from 'openai';
+import { config } from '../config';
+
+async function main() {
+  if (!config.llmApiKey || config.llmApiKey.trim() === '') {
+    console.error('Ошибка: LLM_API_KEY не задан в .env');
+    process.exit(1);
+  }
+
+  const openai = new OpenAI({
+    apiKey: config.llmApiKey,
+    ...(config.llmApiBaseUrl && { baseURL: config.llmApiBaseUrl }),
+  });
+
+  const url = config.llmApiBaseUrl || 'https://api.openai.com/v1';
+  console.log('LLM сервер:', url);
+  console.log('Модель:', config.llmModel);
+  console.log('---');
+
+  try {
+    const completion = await openai.chat.completions.create({
+      model: config.llmModel,
+      messages: [{ role: 'user', content: 'Ответь одним словом: какой цвет у неба?' }],
+      temperature: 0,
+      max_tokens: 50,
+    });
+
+    const content = completion.choices[0]?.message?.content;
+    console.log('Ответ:', content || '(пусто)');
+    console.log('---');
+    console.log('OK');
+  } catch (err) {
+    console.error('Ошибка:', err instanceof Error ? err.message : err);
+    process.exit(1);
+  }
+}
+
+main();

backend/src/services/pdfToStatement.ts

@@ -1,4 +1,3 @@
-import { PDFParse } from 'pdf-parse';
 import OpenAI from 'openai';
 import { config } from '../config';
 import type { StatementFile } from '@family-budget/shared';
@@ -64,6 +63,16 @@ export function isPdfConversionError(r: unknown): r is PdfConversionError {
   );
 }
 
+// Lazy-loaded so the app starts even if pdf-parse is missing from node_modules.
+let _pdfParse: ((buf: Buffer) => Promise<{ text: string }>) | undefined;
+function getPdfParse() {
+  if (!_pdfParse) {
+    // eslint-disable-next-line @typescript-eslint/no-require-imports
+    _pdfParse = require('pdf-parse') as (buf: Buffer) => Promise<{ text: string }>;
+  }
+  return _pdfParse;
+}
+
 export async function convertPdfToStatement(
   buffer: Buffer,
 ): Promise<StatementFile | PdfConversionError> {
@@ -77,10 +86,8 @@ export async function convertPdfToStatement(
 
   let text: string;
   try {
-    const parser = new PDFParse({ data: buffer });
+    const result = await getPdfParse()(buffer);
-    const result = await parser.getText();
     text = result.text || '';
-    await parser.destroy();
   } catch (err) {
     console.error('PDF extraction error:', err);
     return {
@@ -101,16 +108,18 @@ export async function convertPdfToStatement(
   const openai = new OpenAI({
     apiKey: config.llmApiKey,
     ...(config.llmApiBaseUrl && { baseURL: config.llmApiBaseUrl }),
+    timeout: 5 * 60 * 1000,
   });
 
   try {
     const completion = await openai.chat.completions.create({
-      model: 'gpt-4o-mini',
+      model: config.llmModel,
       messages: [
         { role: 'system', content: PDF2JSON_PROMPT },
         { role: 'user', content: `Текст выписки:\n\n${text}` },
       ],
       temperature: 0,
+      max_tokens: 32768,
     });
 
     const content = completion.choices[0]?.message?.content?.trim();
@@ -122,35 +131,172 @@ export async function convertPdfToStatement(
       };
     }
 
-    const jsonMatch = content.match(/\{[\s\S]*\}/);
+    return parseConversionResult(content);
-    const jsonStr = jsonMatch ? jsonMatch[0] : content;
-    let parsed: unknown;
-    try {
-      parsed = JSON.parse(jsonStr);
-    } catch {
-      return {
-        status: 422,
-        error: 'VALIDATION_ERROR',
-        message: 'Результат конвертации не является валидным JSON',
-      };
-    }
-
-    const data = parsed as Record<string, unknown>;
-    if (data.schemaVersion !== '1.0') {
-      return {
-        status: 422,
-        error: 'VALIDATION_ERROR',
-        message: 'Результат конвертации не соответствует схеме 1.0',
-      };
-    }
-
-    return parsed as StatementFile;
   } catch (err) {
     console.error('LLM conversion error:', err);
     return {
       status: 502,
       error: 'BAD_GATEWAY',
-      message: 'Временная ошибка конвертации',
+      message: extractLlmErrorMessage(err),
     };
   }
 }
+
+export type ProgressStage = 'pdf' | 'llm' | 'import';
+export type OnProgress = (stage: ProgressStage, progress: number, message: string) => void;
+
+const LLM_PROGRESS_MIN = 10;
+const LLM_PROGRESS_MAX = 98;
+const LLM_PROGRESS_RANGE = LLM_PROGRESS_MAX - LLM_PROGRESS_MIN;
+const THROTTLE_MS = 300;
+
+function yieldToEventLoop(): Promise<void> {
+  return new Promise(resolve => setImmediate(resolve));
+}
+
+export async function convertPdfToStatementStreaming(
+  buffer: Buffer,
+  onProgress: OnProgress,
+): Promise<StatementFile | PdfConversionError> {
+  if (!config.llmApiKey || config.llmApiKey.trim() === '') {
+    return {
+      status: 503,
+      error: 'SERVICE_UNAVAILABLE',
+      message: 'Конвертация PDF недоступна: не задан LLM_API_KEY',
+    };
+  }
+
+  onProgress('pdf', 2, 'Извлечение текста из PDF...');
+  await yieldToEventLoop();
+
+  let text: string;
+  try {
+    const result = await getPdfParse()(buffer);
+    text = result.text || '';
+  } catch (err) {
+    console.error('PDF extraction error:', err);
+    return {
+      status: 400,
+      error: 'BAD_REQUEST',
+      message: 'Не удалось обработать PDF-файл',
+    };
+  }
+
+  if (!text || text.trim().length === 0) {
+    return {
+      status: 400,
+      error: 'BAD_REQUEST',
+      message: 'Не удалось извлечь текст из PDF',
+    };
+  }
+
+  onProgress('pdf', 8, 'Текст извлечён, отправка в LLM...');
+  await yieldToEventLoop();
+
+  const openai = new OpenAI({
+    apiKey: config.llmApiKey,
+    ...(config.llmApiBaseUrl && { baseURL: config.llmApiBaseUrl }),
+    timeout: 5 * 60 * 1000,
+  });
+
+  try {
+    const stream = await openai.chat.completions.create({
+      model: config.llmModel,
+      messages: [
+        { role: 'system', content: PDF2JSON_PROMPT },
+        { role: 'user', content: `Текст выписки:\n\n${text}` },
+      ],
+      temperature: 0,
+      max_tokens: 32768,
+      stream: true,
+    });
+
+    const expectedChars = Math.max(2_000, Math.min(text.length * 2, 30_000));
+
+    let accumulated = '';
+    let charsReceived = 0;
+    let lastEmitTime = 0;
+
+    for await (const chunk of stream) {
+      const delta = chunk.choices[0]?.delta?.content;
+      if (delta) {
+        accumulated += delta;
+        charsReceived += delta.length;
+
+        const now = Date.now();
+        if (now - lastEmitTime >= THROTTLE_MS) {
+          const ratio = Math.min(1, charsReceived / expectedChars);
+          const llmProgress = Math.min(
+            LLM_PROGRESS_MAX,
+            Math.round(ratio * LLM_PROGRESS_RANGE + LLM_PROGRESS_MIN),
+          );
+          onProgress('llm', llmProgress, 'Конвертация через LLM...');
+          lastEmitTime = now;
+          // Let the event loop flush socket writes to the network
+          await yieldToEventLoop();
+        }
+      }
+    }
+
+    onProgress('llm', LLM_PROGRESS_MAX, 'LLM завершил, обработка результата...');
+    await yieldToEventLoop();
+
+    const content = accumulated.trim();
+    if (!content) {
+      return {
+        status: 422,
+        error: 'VALIDATION_ERROR',
+        message: 'Результат конвертации пуст',
+      };
+    }
+
+    return parseConversionResult(content);
+  } catch (err) {
+    console.error('LLM streaming error:', err);
+    return {
+      status: 502,
+      error: 'BAD_GATEWAY',
+      message: extractLlmErrorMessage(err),
+    };
+  }
+}
+
+function extractLlmErrorMessage(err: unknown): string {
+  const raw = String(
+    (err as Record<string, unknown>)?.message ??
+    (err as Record<string, Record<string, unknown>>)?.error?.message ?? '',
+  );
+  if (/context.length|n_ctx|too.many.tokens|maximum.context/i.test(raw)) {
+    return 'PDF-файл слишком большой для обработки. Попробуйте файл с меньшим количеством операций или используйте модель с большим контекстным окном.';
+  }
+  if (/timeout|timed?\s*out|ETIMEDOUT|ECONNREFUSED/i.test(raw)) {
+    return 'LLM-сервер не отвечает. Проверьте, что сервер запущен и доступен.';
+  }
+  return 'Временная ошибка конвертации';
+}
+
+function parseConversionResult(content: string): StatementFile | PdfConversionError {
+  const jsonMatch = content.match(/\{[\s\S]*\}/);
+  const jsonStr = jsonMatch ? jsonMatch[0] : content;
+  let parsed: unknown;
+  try {
+    parsed = JSON.parse(jsonStr);
+  } catch {
+    return {
+      status: 422,
+      error: 'VALIDATION_ERROR',
+      message: 'Результат конвертации не является валидным JSON',
+    };
+  }
+
+  const data = parsed as Record<string, unknown>;
+  if (data.schemaVersion !== '1.0') {
+    return {
+      status: 422,
+      error: 'VALIDATION_ERROR',
+      message: 'Результат конвертации не соответствует схеме 1.0',
+    };
+  }
+
+  return parsed as StatementFile;
+}

frontend/nginx.conf

@@ -3,6 +3,22 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    # Import endpoint — SSE streaming, long timeout, no buffering
+    location /api/import {
+        proxy_pass http://family-budget-backend:3000;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_cookie_path / /;
+        proxy_connect_timeout 5s;
+        proxy_read_timeout 600s;
+        proxy_buffering off;
+        gzip off;
+        client_max_body_size 15m;
+    }
+
     # API — проксируем на backend (сервис из docker-compose)
     location /api {
         proxy_pass http://family-budget-backend:3000;

frontend/src/App.tsx

@@ -1,5 +1,6 @@
 import { Routes, Route, Navigate } from 'react-router-dom';
 import { useAuth } from './context/AuthContext';
+import { ImportProvider } from './context/ImportContext';
 import { Layout } from './components/Layout';
 import { LoginPage } from './pages/LoginPage';
 import { HistoryPage } from './pages/HistoryPage';
@@ -18,14 +19,16 @@ export function App() {
   }
 
   return (
-    <Layout>
+    <ImportProvider>
-      <Routes>
+      <Layout>
-        <Route path="/" element={<Navigate to="/history" replace />} />
+        <Routes>
-        <Route path="/history" element={<HistoryPage />} />
+          <Route path="/" element={<Navigate to="/history" replace />} />
-        <Route path="/analytics" element={<AnalyticsPage />} />
+          <Route path="/history" element={<HistoryPage />} />
-        <Route path="/settings" element={<SettingsPage />} />
+          <Route path="/analytics" element={<AnalyticsPage />} />
-        <Route path="*" element={<Navigate to="/history" replace />} />
+          <Route path="/settings" element={<SettingsPage />} />
-      </Routes>
+          <Route path="*" element={<Navigate to="/history" replace />} />
-    </Layout>
+        </Routes>
+      </Layout>
+    </ImportProvider>
   );
 }

frontend/src/api/import.ts

@@ -11,3 +11,74 @@ export async function importStatement(
     formData,
   );
 }
+
+export interface SseProgressEvent {
+  stage: 'pdf' | 'llm' | 'import';
+  progress: number;
+  message: string;
+}
+
+export interface SseDoneEvent {
+  stage: 'done';
+  progress: 100;
+  result: ImportStatementResponse;
+}
+
+export interface SseErrorEvent {
+  stage: 'error';
+  message: string;
+}
+
+export type SseEvent = SseProgressEvent | SseDoneEvent | SseErrorEvent;
+
+export async function importStatementStream(
+  file: File,
+  onEvent: (event: SseEvent) => void,
+): Promise<void> {
+  const formData = new FormData();
+  formData.append('file', file);
+
+  const res = await fetch('/api/import/statement', {
+    method: 'POST',
+    body: formData,
+    credentials: 'include',
+  });
+
+  if (!res.ok) {
+    let msg = 'Ошибка импорта';
+    try {
+      const body = await res.json();
+      if (body.message) msg = body.message;
+    } catch { /* use default */ }
+    onEvent({ stage: 'error', message: msg });
+    return;
+  }
+
+  const reader = res.body?.getReader();
+  if (!reader) {
+    onEvent({ stage: 'error', message: 'Streaming не поддерживается' });
+    return;
+  }
+
+  const decoder = new TextDecoder();
+  let buffer = '';
+
+  while (true) {
+    const { done, value } = await reader.read();
+    if (done) break;
+
+    buffer += decoder.decode(value, { stream: true });
+
+    const lines = buffer.split('\n');
+    buffer = lines.pop() ?? '';
+
+    for (const line of lines) {
+      const trimmed = line.trim();
+      if (!trimmed.startsWith('data: ')) continue;
+      try {
+        const parsed = JSON.parse(trimmed.slice(6)) as SseEvent;
+        onEvent(parsed);
+      } catch { /* skip malformed lines */ }
+    }
+  }
+}

frontend/src/components/ImportModal.tsx

@@ -2,6 +2,7 @@ import { useState, useRef } from 'react';
 import type { ImportStatementResponse } from '@family-budget/shared';
 import { importStatement } from '../api/import';
 import { updateAccount } from '../api/accounts';
+import { useImport } from '../context/ImportContext';
 
 interface Props {
   onClose: () => void;
@@ -9,13 +10,19 @@ interface Props {
 }
 
 export function ImportModal({ onClose, onDone }: Props) {
-  const [result, setResult] = useState<ImportStatementResponse | null>(null);
+  const { importState, startImport, clearImport } = useImport();
-  const [error, setError] = useState('');
+
-  const [loading, setLoading] = useState(false);
+  const [jsonResult, setJsonResult] = useState<ImportStatementResponse | null>(null);
+  const [jsonError, setJsonError] = useState('');
+  const [jsonLoading, setJsonLoading] = useState(false);
   const [alias, setAlias] = useState('');
   const [aliasSaved, setAliasSaved] = useState(false);
   const fileRef = useRef<HTMLInputElement>(null);
 
+  const result = importState.result ?? jsonResult;
+  const error = importState.error || jsonError;
+  const loading = importState.active || jsonLoading;
+
   const handleFileChange = async (
     e: React.ChangeEvent<HTMLInputElement>,
   ) => {
@@ -28,26 +35,45 @@ export function ImportModal({ onClose, onDone }: Props) {
     const isJson = type === 'application/json' || name.endsWith('.json');
 
     if (!isPdf && !isJson) {
-      setError('Допустимы только файлы PDF или JSON');
+      setJsonError('Допустимы только файлы PDF или JSON');
       return;
     }
 
-    setLoading(true);
+    setJsonError('');
-    setError('');
+    setJsonResult(null);
-    setResult(null);
 
+    if (isPdf) {
+      startImport(file);
+      return;
+    }
+
+    setJsonLoading(true);
     try {
       const resp = await importStatement(file);
-      setResult(resp);
+      setJsonResult(resp);
     } catch (err: unknown) {
       const msg =
         err instanceof Error ? err.message : 'Ошибка импорта';
-      setError(msg);
+      setJsonError(msg);
     } finally {
-      setLoading(false);
+      setJsonLoading(false);
     }
   };
 
+  const handleClose = () => {
+    if (importState.active) {
+      if (window.confirm('Импорт продолжится в фоне. Закрыть окно?')) {
+        onClose();
+      }
+    } else {
+      onClose();
+    }
+  };
+
+  const handleDone = () => {
+    onDone();
+  };
+
   const handleSaveAlias = async () => {
     if (!result || !alias.trim()) return;
     try {
@@ -58,12 +84,21 @@ export function ImportModal({ onClose, onDone }: Props) {
     }
   };
 
+  const stageLabel = (stage: string) => {
+    switch (stage) {
+      case 'pdf': return 'Извлечение текста...';
+      case 'llm': return 'Конвертация через LLM...';
+      case 'import': return 'Сохранение в базу...';
+      default: return 'Обработка...';
+    }
+  };
+
   return (
-    <div className="modal-overlay" onClick={onClose}>
+    <div className="modal-overlay" onClick={handleClose}>
       <div className="modal" onClick={(e) => e.stopPropagation()}>
         <div className="modal-header">
           <h2>Импорт выписки</h2>
-          <button className="btn-close" onClick={onClose}>
+          <button className="btn-close" onClick={handleClose}>
             &times;
           </button>
         </div>
@@ -71,7 +106,7 @@ export function ImportModal({ onClose, onDone }: Props) {
         <div className="modal-body">
           {error && <div className="alert alert-error">{error}</div>}
 
-          {!result && (
+          {!result && !importState.active && (
             <div className="import-upload">
               <p>Выберите файл выписки (PDF или JSON, формат 1.0)</p>
               <input
@@ -80,16 +115,33 @@ export function ImportModal({ onClose, onDone }: Props) {
                 accept=".pdf,.json,application/pdf,application/json"
                 onChange={handleFileChange}
                 className="file-input"
+                disabled={loading}
               />
-              {loading && (
+              {jsonLoading && (
                 <div className="import-loading">Импорт...</div>
               )}
             </div>
           )}
 
+          {importState.active && (
+            <div className="import-upload">
+              <div className="import-progress-modal">
+                <div className="import-progress-modal-bar">
+                  <div
+                    className="import-progress-modal-fill"
+                    style={{ width: `${importState.progress}%` }}
+                  />
+                </div>
+                <p className="import-progress-modal-label">
+                  {stageLabel(importState.stage)} {importState.progress}%
+                </p>
+              </div>
+            </div>
+          )}
+
           {result && (
             <div className="import-result">
-              <div className="import-result-icon">&check;</div>
+              <div className="import-result-icon" aria-hidden="true">✓</div>
               <h3>Импорт завершён</h3>
               <table className="import-stats">
                 <tbody>
@@ -149,16 +201,15 @@ export function ImportModal({ onClose, onDone }: Props) {
 
         <div className="modal-footer">
           {result ? (
-            <button className="btn btn-primary" onClick={onDone}>
+            <button className="btn btn-primary" onClick={handleDone}>
               Готово
             </button>
           ) : (
             <button
               className="btn btn-secondary"
-              onClick={onClose}
+              onClick={handleClose}
-              disabled={loading}
             >
-              Отмена
+              {importState.active ? 'Свернуть' : 'Отмена'}
             </button>
           )}
         </div>

frontend/src/components/Layout.tsx

@@ -1,6 +1,70 @@
-import { useState, type ReactNode } from 'react';
+import { useState, useEffect, useRef, useCallback, type ReactNode } from 'react';
 import { NavLink } from 'react-router-dom';
 import { useAuth } from '../context/AuthContext';
+import { useImport } from '../context/ImportContext';
+
+function ImportProgressBar() {
+  const { importState, clearImport, openModal } = useImport();
+  const [visible, setVisible] = useState(false);
+  const hideTimerRef = useRef<ReturnType<typeof setTimeout> | undefined>(undefined);
+
+  const isActive = importState.active;
+  const isDone = importState.stage === 'done';
+  const isError = importState.stage === 'error';
+  const showBar = isActive || isDone || isError;
+
+  useEffect(() => {
+    if (showBar) {
+      setVisible(true);
+      if (hideTimerRef.current) clearTimeout(hideTimerRef.current);
+    }
+    if (isDone || isError) {
+      hideTimerRef.current = setTimeout(() => {
+        setVisible(false);
+        clearImport();
+      }, 10_000);
+    }
+    return () => {
+      if (hideTimerRef.current) clearTimeout(hideTimerRef.current);
+    };
+  }, [showBar, isDone, isError, clearImport]);
+
+  const handleClick = useCallback(() => {
+    if (hideTimerRef.current) clearTimeout(hideTimerRef.current);
+    openModal();
+    setVisible(false);
+  }, [openModal]);
+
+  if (!visible) return null;
+
+  const barClass = isError
+    ? 'import-progress-bar import-progress-bar--error'
+    : isDone
+      ? 'import-progress-bar import-progress-bar--done'
+      : 'import-progress-bar';
+
+  const labelText = isError
+    ? `Ошибка импорта: ${importState.message}`
+    : isDone && importState.result
+      ? `Импорт завершён — ${importState.result.imported} операций`
+      : `${importState.message} ${importState.progress}%`;
+
+  return (
+    <div className={barClass}>
+      <div
+        className="import-progress-bar__fill"
+        style={{ width: `${isDone ? 100 : importState.progress}%` }}
+      />
+      <button
+        type="button"
+        className={`import-progress-label ${isDone || isError ? 'import-progress-label--clickable' : ''}`}
+        onClick={isDone || isError ? handleClick : undefined}
+      >
+        {labelText}
+      </button>
+    </div>
+  );
+}
 
 export function Layout({ children }: { children: ReactNode }) {
   const { user, logout } = useAuth();
@@ -10,6 +74,8 @@ export function Layout({ children }: { children: ReactNode }) {
 
   return (
     <div className="layout">
+      <ImportProgressBar />
+
       <button
         type="button"
         className="burger-btn"

frontend/src/context/ImportContext.tsx

@@ -0,0 +1,114 @@
+import {
+  createContext,
+  useContext,
+  useState,
+  useCallback,
+  useRef,
+  type ReactNode,
+} from 'react';
+import type { ImportStatementResponse } from '@family-budget/shared';
+import { importStatementStream, type SseEvent } from '../api/import';
+
+export interface ImportProgress {
+  active: boolean;
+  stage: string;
+  progress: number;
+  message: string;
+  result?: ImportStatementResponse;
+  error?: string;
+}
+
+interface ImportContextValue {
+  importState: ImportProgress;
+  showModal: boolean;
+  openModal: () => void;
+  closeModal: () => void;
+  startImport: (file: File) => void;
+  clearImport: () => void;
+}
+
+const INITIAL: ImportProgress = {
+  active: false,
+  stage: '',
+  progress: 0,
+  message: '',
+};
+
+const ImportContext = createContext<ImportContextValue | null>(null);
+
+export function ImportProvider({ children }: { children: ReactNode }) {
+  const [importState, setImportState] = useState<ImportProgress>(INITIAL);
+  const [showModal, setShowModal] = useState(false);
+  const runningRef = useRef(false);
+
+  const openModal = useCallback(() => setShowModal(true), []);
+  const closeModal = useCallback(() => setShowModal(false), []);
+
+  const startImport = useCallback((file: File) => {
+    if (runningRef.current) return;
+    runningRef.current = true;
+
+    setImportState({
+      active: true,
+      stage: 'pdf',
+      progress: 0,
+      message: 'Загрузка файла...',
+    });
+
+    importStatementStream(file, (event: SseEvent) => {
+      if (event.stage === 'done') {
+        setImportState({
+          active: false,
+          stage: 'done',
+          progress: 100,
+          message: 'Импорт завершён',
+          result: event.result,
+        });
+        runningRef.current = false;
+      } else if (event.stage === 'error') {
+        setImportState({
+          active: false,
+          stage: 'error',
+          progress: 0,
+          message: event.message,
+          error: event.message,
+        });
+        runningRef.current = false;
+      } else {
+        setImportState({
+          active: true,
+          stage: event.stage,
+          progress: event.progress,
+          message: event.message,
+        });
+      }
+    }).catch((err) => {
+      setImportState({
+        active: false,
+        stage: 'error',
+        progress: 0,
+        message: err instanceof Error ? err.message : 'Ошибка импорта',
+        error: err instanceof Error ? err.message : 'Ошибка импорта',
+      });
+      runningRef.current = false;
+    });
+  }, []);
+
+  const clearImport = useCallback(() => {
+    setImportState(INITIAL);
+  }, []);
+
+  return (
+    <ImportContext.Provider value={{
+      importState, showModal, openModal, closeModal, startImport, clearImport,
+    }}>
+      {children}
+    </ImportContext.Provider>
+  );
+}
+
+export function useImport(): ImportContextValue {
+  const ctx = useContext(ImportContext);
+  if (!ctx) throw new Error('useImport must be used within ImportProvider');
+  return ctx;
+}

frontend/src/pages/HistoryPage.tsx

@@ -18,6 +18,7 @@ import { TransactionTable } from '../components/TransactionTable';
 import { Pagination } from '../components/Pagination';
 import { EditTransactionModal } from '../components/EditTransactionModal';
 import { ImportModal } from '../components/ImportModal';
+import { useImport } from '../context/ImportContext';
 import { toISODate } from '../utils/format';
 
 const PARAM_KEYS = [
@@ -125,7 +126,7 @@ export function HistoryPage() {
   const [accounts, setAccounts] = useState<Account[]>([]);
   const [categories, setCategories] = useState<Category[]>([]);
   const [editingTx, setEditingTx] = useState<Transaction | null>(null);
-  const [showImport, setShowImport] = useState(false);
+  const { showModal: showImport, openModal: openImport, closeModal: closeImport, clearImport } = useImport();
 
   useEffect(() => {
     getAccounts().then(setAccounts).catch(() => {});
@@ -197,7 +198,8 @@ export function HistoryPage() {
   };
 
   const handleImportDone = () => {
-    setShowImport(false);
+    closeImport();
+    clearImport();
     fetchData();
     getAccounts().then(setAccounts).catch(() => {});
   };
@@ -208,7 +210,7 @@ export function HistoryPage() {
         <h1>История операций</h1>
         <button
           className="btn btn-primary"
-          onClick={() => setShowImport(true)}
+          onClick={openImport}
         >
           Импорт выписки
         </button>
@@ -262,7 +264,7 @@ export function HistoryPage() {
 
       {showImport && (
         <ImportModal
-          onClose={() => setShowImport(false)}
+          onClose={closeImport}
           onDone={handleImportDone}
         />
       )}

frontend/src/styles/index.css

@@ -1058,6 +1058,152 @@ textarea {
   font-weight: 500;
 }
 
+/* Import progress bar in modal */
+.import-progress-modal {
+  padding: 20px 0;
+}
+
+.import-progress-modal-bar {
+  height: 8px;
+  background: var(--color-border);
+  border-radius: 4px;
+  overflow: hidden;
+  margin-bottom: 10px;
+}
+
+.import-progress-modal-fill {
+  height: 100%;
+  background: linear-gradient(90deg, var(--color-primary), #6366f1);
+  border-radius: 4px;
+  transition: width 0.3s ease;
+  position: relative;
+}
+
+.import-progress-modal-fill::after {
+  content: '';
+  position: absolute;
+  inset: 0;
+  background: linear-gradient(
+    90deg,
+    transparent 0%,
+    rgba(255, 255, 255, 0.3) 50%,
+    transparent 100%
+  );
+  animation: shimmer 1.5s infinite;
+}
+
+.import-progress-modal-label {
+  text-align: center;
+  color: var(--color-text-secondary);
+  font-size: 14px;
+}
+
+/* ================================================================
+   Import progress bar (fixed top, Layout)
+   ================================================================ */
+
+.import-progress-bar {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 300;
+  height: 4px;
+  background: var(--color-border);
+}
+
+.import-progress-bar--done {
+  background: var(--color-success-light);
+}
+
+.import-progress-bar--error {
+  background: var(--color-danger-light);
+}
+
+.import-progress-bar__fill {
+  height: 100%;
+  border-radius: 0 2px 2px 0;
+  transition: width 0.3s ease;
+  position: relative;
+  background: linear-gradient(90deg, var(--color-primary), #6366f1);
+}
+
+.import-progress-bar__fill::after {
+  content: '';
+  position: absolute;
+  inset: 0;
+  background: linear-gradient(
+    90deg,
+    transparent 0%,
+    rgba(255, 255, 255, 0.4) 50%,
+    transparent 100%
+  );
+  animation: shimmer 1.5s infinite;
+}
+
+.import-progress-bar--done .import-progress-bar__fill {
+  background: var(--color-success);
+}
+
+.import-progress-bar--done .import-progress-bar__fill::after {
+  animation: none;
+}
+
+.import-progress-bar--error .import-progress-bar__fill {
+  background: var(--color-danger);
+  width: 100% !important;
+}
+
+.import-progress-bar--error .import-progress-bar__fill::after {
+  animation: none;
+}
+
+@keyframes shimmer {
+  0% {
+    transform: translateX(-100%);
+  }
+  100% {
+    transform: translateX(100%);
+  }
+}
+
+.import-progress-label {
+  position: fixed;
+  top: 6px;
+  right: 16px;
+  z-index: 301;
+  background: var(--color-surface);
+  border: 1px solid var(--color-border);
+  border-radius: 16px;
+  padding: 4px 14px;
+  font-size: 12px;
+  font-weight: 500;
+  color: var(--color-text-secondary);
+  box-shadow: var(--shadow-sm);
+  white-space: nowrap;
+  cursor: default;
+  font-family: inherit;
+}
+
+.import-progress-label--clickable {
+  cursor: pointer;
+}
+
+.import-progress-label--clickable:hover {
+  background: var(--color-bg);
+  border-color: var(--color-border-hover);
+}
+
+.import-progress-bar--done .import-progress-label {
+  color: var(--color-success);
+  border-color: var(--color-success);
+}
+
+.import-progress-bar--error .import-progress-label {
+  color: var(--color-danger);
+  border-color: var(--color-danger);
+}
+
 /* ================================================================
    Tabs
    ================================================================ */

package-lock.json

@@ -24,7 +24,7 @@
         "express": "^5.2.1",
         "multer": "^2.1.1",
         "openai": "^6.27.0",
-        "pdf-parse": "^2.4.5",
+        "pdf-parse": "1.1.1",
         "pg": "^8.19.0",
         "uuid": "^13.0.0"
       },
@@ -40,6 +40,28 @@
         "typescript": "^5.9.3"
       }
     },
+    "backend/node_modules/debug": {
+      "version": "3.2.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+      "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "^2.1.1"
+      }
+    },
+    "backend/node_modules/pdf-parse": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pdf-parse/-/pdf-parse-1.1.1.tgz",
+      "integrity": "sha512-v6ZJ/efsBpGrGGknjtq9J/oC8tZWq0KWL5vQrk2GlzLEQPUDB1ex+13Rmidl1neNN358Jn9EHZw5y07FFtaC7A==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^3.1.0",
+        "node-ensure": "^0.0.0"
+      },
+      "engines": {
+        "node": ">=6.8.1"
+      }
+    },
     "frontend": {
       "name": "@family-budget/frontend",
       "version": "0.1.0",
@@ -89,7 +111,6 @@
       "integrity": "sha512-CGOfOJqWjg2qW/Mb6zNsDm+u5vFQ8DxXfbM09z69p5Z6+mE1ikP2jUXw+j42Pf1XTYED2Rni5f95npYeuwMDQA==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.29.0",
         "@babel/generator": "^7.29.0",
@@ -854,190 +875,6 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
-    "node_modules/@napi-rs/canvas": {
-      "version": "0.1.80",
-      "resolved": "https://registry.npmjs.org/@napi-rs/canvas/-/canvas-0.1.80.tgz",
-      "integrity": "sha512-DxuT1ClnIPts1kQx8FBmkk4BQDTfI5kIzywAaMjQSXfNnra5UFU9PwurXrl+Je3bJ6BGsp/zmshVVFbCmyI+ww==",
-      "license": "MIT",
-      "workspaces": [
-        "e2e/*"
-      ],
-      "engines": {
-        "node": ">= 10"
-      },
-      "optionalDependencies": {
-        "@napi-rs/canvas-android-arm64": "0.1.80",
-        "@napi-rs/canvas-darwin-arm64": "0.1.80",
-        "@napi-rs/canvas-darwin-x64": "0.1.80",
-        "@napi-rs/canvas-linux-arm-gnueabihf": "0.1.80",
-        "@napi-rs/canvas-linux-arm64-gnu": "0.1.80",
-        "@napi-rs/canvas-linux-arm64-musl": "0.1.80",
-        "@napi-rs/canvas-linux-riscv64-gnu": "0.1.80",
-        "@napi-rs/canvas-linux-x64-gnu": "0.1.80",
-        "@napi-rs/canvas-linux-x64-musl": "0.1.80",
-        "@napi-rs/canvas-win32-x64-msvc": "0.1.80"
-      }
-    },
-    "node_modules/@napi-rs/canvas-android-arm64": {
-      "version": "0.1.80",
-      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-android-arm64/-/canvas-android-arm64-0.1.80.tgz",
-      "integrity": "sha512-sk7xhN/MoXeuExlggf91pNziBxLPVUqF2CAVnB57KLG/pz7+U5TKG8eXdc3pm0d7Od0WreB6ZKLj37sX9muGOQ==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "MIT",
-      "optional": true,
-      "os": [
-        "android"
-      ],
-      "engines": {
-        "node": ">= 10"
-      }
-    },
-    "node_modules/@napi-rs/canvas-darwin-arm64": {
-      "version": "0.1.80",
-      "resolved": "https://registry.npmjs.org/@napi-rs/canvas-darwin-arm64/-/canvas-darwin-arm64-0.1.80.tgz",
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-      ],
-      "license": "MIT",
-      "optional": true,
-      "os": [
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-      ],
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-      }
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-    "node_modules/@napi-rs/canvas-linux-arm-gnueabihf": {
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