Restructure into modules/ with single-process CTP and config/ layout.

Move business code under modules/, env template to config/, PM2 single qihuo process, and _legacy shims for old imports.

Co-authored-by: Cursor <cursoragent@cursor.com>

modules/ctp/ctp_reconnect.py

@@ -0,0 +1,59 @@
+# Copyright (c) 2025-2026 马建军. All rights reserved.
+# 专有软件 — 未经授权禁止复制、传播、转售。
+# 严禁用于：带单/代客理财、向他人推荐期货品种或买卖建议、融资配资等业务。
+# 详见 LICENSE.zh-CN.txt 与 docs/软件购买与使用协议.md
+
+"""CTP 断线自动重连（后台线程）。"""
+from __future__ import annotations
+
+import logging
+import os
+import threading
+import time
+from typing import Callable
+
+from modules.ctp.ctp_premarket_connect import premarket_minutes_before, should_auto_connect_now
+from modules.market.market_sessions import in_premarket_connect_window, is_trading_session
+from modules.ctp.vnpy_bridge import ctp_try_auto_reconnect
+
+logger = logging.getLogger(__name__)
+
+RECONNECT_INTERVAL_SEC = 60
+TRADING_RECONNECT_INTERVAL_SEC = 15
+PREMARKET_RECONNECT_INTERVAL_SEC = 30
+
+
+def _auto_reconnect_enabled() -> bool:
+    return (os.getenv("CTP_AUTO_RECONNECT", "true") or "true").strip().lower() in (
+        "1",
+        "true",
+        "yes",
+    )
+
+
+def start_ctp_reconnect_worker(
+    *,
+    get_mode_fn: Callable[[], str],
+    get_setting_fn: Callable[[str, str], str] | None = None,
+    interval: int = RECONNECT_INTERVAL_SEC,
+) -> None:
+    """交易时段 / 盘前窗口内检测 CTP；断线则后台自动重连。"""
+
+    def _loop() -> None:
+        while True:
+            sleep_sec = max(5, interval)
+            try:
+                if _auto_reconnect_enabled() and should_auto_connect_now():
+                    mode = get_mode_fn()
+                    ctp_try_auto_reconnect(mode)
+                    if is_trading_session():
+                        sleep_sec = TRADING_RECONNECT_INTERVAL_SEC
+                    elif in_premarket_connect_window(
+                        minutes_before=premarket_minutes_before(),
+                    ):
+                        sleep_sec = PREMARKET_RECONNECT_INTERVAL_SEC
+            except Exception as exc:
+                logger.warning("CTP reconnect worker: %s", exc)
+            time.sleep(sleep_sec)
+
+    threading.Thread(target=_loop, daemon=True, name="ctp-reconnect-worker").start()