Initial commit: lottery project structure

Add core project files including:
- Client and server directories
- Backup script
- Package configuration
- Git ignore rules

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/routes/ocr.js

@@ -0,0 +1,54 @@
+const express = require('express');
+const multer = require('multer');
+const path = require('path');
+const fs = require('fs');
+const { authMiddleware } = require('../middleware/auth');
+const { parseTicketImage } = require('../services/ocr');
+
+const router = express.Router();
+
+// 配置文件上传
+const uploadDir = path.join(__dirname, '../uploads');
+if (!fs.existsSync(uploadDir)) {
+  fs.mkdirSync(uploadDir, { recursive: true });
+}
+
+const storage = multer.diskStorage({
+  destination: (req, file, cb) => cb(null, uploadDir),
+  filename: (req, file, cb) => {
+    const ext = path.extname(file.originalname);
+    cb(null, `${Date.now()}-${Math.random().toString(36).slice(2)}${ext}`);
+  }
+});
+
+const upload = multer({
+  storage,
+  limits: { fileSize: 10 * 1024 * 1024 },
+  fileFilter: (req, file, cb) => {
+    // 放宽图片类型限制
+    if (file.mimetype.startsWith('image/')) {
+      cb(null, true);
+    } else {
+      cb(new Error('只支持图片文件'));
+    }
+  }
+});
+
+router.use(authMiddleware);
+
+// 上传并解析彩票图片
+router.post('/parse', upload.single('image'), async (req, res) => {
+  if (!req.file) {
+    return res.status(400).json({ error: '请上传图片' });
+  }
+
+  try {
+    const result = await parseTicketImage(req.file.path);
+    result.image_path = `/uploads/${req.file.filename}`;
+    res.json(result);
+  } catch (err) {
+    res.status(500).json({ error: err.message || '解析失败' });
+  }
+});
+
+module.exports = router;