fix(options): expose chain DTE in env UI and show nearest expiries for OO

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

lib/env/env_schema.py

@@ -92,6 +92,8 @@ HOT_RELOAD_EXACT = frozenset({
     "HEDGE_PLAN_SHOW_OPTIONS_OPTIONS",
     "OKX_SHOW_PERP_FUNDS",
     "OKX_OPTIONS_CHAIN_ASK_LIQ_FILTER_ENABLED",
+    "OKX_OPTIONS_CHAIN_MAX_DTE_DAYS",
+    "OKX_OPTIONS_MAX_DTE_DAYS",
     "OKX_OPTIONS_MAX_ACTIVE_POSITIONS",
     "OKX_TRADE_MODE",
     "MAX_ACTIVE_HEDGE_PLANS",

lib/env/env_ui_manifest.py

@@ -151,6 +151,16 @@ _OPTIONS_SECTION: dict[str, Any] = {
             "仅「单独期权」模式生效;默认 0=不限制;按交易所期权合约笔数计数,同合约加仓不占新笔数",
         ),
         ("OKX_OPTIONS_DEFAULT_UNDERLY", "默认标的", "如 ETH"),
+        (
+            "OKX_OPTIONS_CHAIN_MAX_DTE_DAYS",
+            "期权链展示天数",
+            "默认 14;下拉到期日只出现该天数内的合约(含明天)",
+        ),
+        (
+            "OKX_OPTIONS_MAX_DTE_DAYS",
+            "开仓最大剩余天数",
+            "默认 2;单独开期权时拒绝更远到期(与链展示天数独立)",
+        ),
         (
             "OKX_OPTIONS_CHAIN_ASK_LIQ_FILTER_ENABLED",
             "链上仅显示有卖一",
@@ -261,6 +271,8 @@ _RUNTIME_ENV_DEFAULTS: dict[str, str] = {
     "HEDGE_PLAN_SHOW_OPTIONS_OPTIONS": "true",
     "OKX_SHOW_PERP_FUNDS": "true",
     "OKX_OPTIONS_CHAIN_ASK_LIQ_FILTER_ENABLED": "true",
+    "OKX_OPTIONS_CHAIN_MAX_DTE_DAYS": "14",
+    "OKX_OPTIONS_MAX_DTE_DAYS": "2",
     "OKX_OPTIONS_MAX_ACTIVE_POSITIONS": "0",
     "OKX_TRADE_MODE": "options",
     "MAX_ACTIVE_HEDGE_PLANS": "1",