Use bid1-only option closes with hard-disabled market exits.

Manual close checks liquidity only; target auto still requires 2x recycle hold once, then reuses the shared bid1 executor. Add /options/guide doc and update hedge-plan refs.

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

docs/期权方案.md

@@ -92,9 +92,14 @@ OKX_OPTIONS_ITM_MAX_DIST_USD=30
 OKX_OPTIONS_PROFIT_ALERT_RATIO=1.0
 OKX_OPTIONS_POLL_SECONDS=15
 OKX_OPTIONS_TD_MODE=cross
-OKX_OPTIONS_ALLOW_MARKET_CLOSE=false
+# 市价平仓已在代码中硬关闭,此变量无效,可删
+# OKX_OPTIONS_ALLOW_MARKET_CLOSE=false
+OKX_OPTIONS_CLOSE_RECYCLE_MULT=2
+OKX_OPTIONS_CLOSE_HOLD_SECONDS=120
 ```
 
+平仓执行:**只锁买一限价**,说明见 [期权开平仓与监控说明.md](./期权开平仓与监控说明.md);线上 `/options/guide`.
+
 修改 `.env` 后须 `pm2 restart crypto_okx`.
 
 ## 6. 数据库
@@ -112,6 +117,7 @@ OKX_OPTIONS_ALLOW_MARKET_CLOSE=false
 | 方法 | 路径 |
 |------|------|
 | GET | `/options` |
+| GET | `/options/guide` | 开平仓与监控说明(独立页) |
 | GET | `/api/options/balances` |
 | GET | `/api/options/chain` |
 | GET | `/api/options/quote` |