Initial standalone crypto_okx with one-click deploy.

Add deploy/manage.sh bootstrap for git.bz121.com/dekun/crypto_okx and point docs at this repo.

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

lib/sim/mode_lib.py

@@ -0,0 +1,52 @@
+"""交易模式: sim | live, 持久化到 app_runtime_settings."""
+
+from __future__ import annotations
+
+import os
+from typing import Callable
+
+from lib.instance.runtime_settings_lib import runtime_get, runtime_set, with_db
+
+TRADING_MODE_KEY = "trading.mode"
+MODE_SIM = "sim"
+MODE_LIVE = "live"
+VALID_MODES = (MODE_SIM, MODE_LIVE)
+
+
+def default_trading_mode() -> str:
+    raw = (os.getenv("SIM_DEFAULT_MODE") or "").strip().lower()
+    if raw in VALID_MODES:
+        return raw
+    return MODE_SIM
+
+
+def normalize_mode(mode: str | None) -> str:
+    m = (mode or "").strip().lower()
+    if m in VALID_MODES:
+        return m
+    raise ValueError("mode 须为 sim 或 live")
+
+
+def get_trading_mode(get_db: Callable) -> str:
+    def _read(conn):
+        v = runtime_get(conn, TRADING_MODE_KEY)
+        if v is None or str(v).strip() == "":
+            return default_trading_mode()
+        m = str(v).strip().lower()
+        return m if m in VALID_MODES else default_trading_mode()
+
+    return with_db(get_db, _read)
+
+
+def set_trading_mode(get_db: Callable, mode: str) -> str:
+    m = normalize_mode(mode)
+
+    def _write(conn):
+        runtime_set(conn, TRADING_MODE_KEY, m)
+        return m
+
+    return with_db(get_db, _write)
+
+
+def is_sim_mode(get_db: Callable) -> bool:
+    return get_trading_mode(get_db) == MODE_SIM