重构项目架构，新增 MT5 代理服务

- 重构核心模块：DataProvider 依赖注入、RiskController 门面、信号注册表
- 新增 FastAPI 代理服务 (run/server.py)，支持局域网远程调用 MT5
- 新增 RemoteDataProvider + AttrDict，远端无缝替代 LiveDataProvider
- 新增序列化模块，MT5 对象转 JSON 兼容格式
- 重构入口点至 run/ 包，支持 python -m run.realtime/server/backtest/optimize
- 更新 CLAUDE.md 文档

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Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

run/backtest.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""回测入口 — python -m run.backtest"""
+
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from core.utils import get_rates, initialize, shutdown
+from execution.backtest import BacktestEngine
+from config import SYMBOL, TIMEFRAME, BACKTEST_COUNT, BACKTEST_START_DATE, BACKTEST_END_DATE, USE_DATE_RANGE
+from logger import logger
+
+
+def main():
+    print("=" * 60)
+    print("MT5 智能交易系统 - 回测")
+    print("=" * 60)
+
+    try:
+        initialize()
+        if USE_DATE_RANGE:
+            rates = get_rates(SYMBOL, TIMEFRAME, BACKTEST_COUNT,
+                            BACKTEST_START_DATE, BACKTEST_END_DATE)
+        else:
+            rates = get_rates(SYMBOL, TIMEFRAME, BACKTEST_COUNT)
+        shutdown()
+
+        if rates is None or len(rates) == 0:
+            logger.error("未能获取历史数据，回测终止。")
+            return
+
+        logger.info(f"获取数据: {len(rates)} 条")
+
+        engine = BacktestEngine(use_dynamic_weights=False)
+        summary = engine.run(rates)
+        print(f"\n回测完成！总盈亏: ${summary.get('total_profit_loss', 0):.2f}")
+
+    except Exception as e:
+        import traceback
+        logger.error(f"回测出错: {e}")
+        traceback.print_exc()
+
+
+if __name__ == "__main__":
+    main()