fix(hedge): filter options-chain by min hours and strike interval for option-primary

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

docs/对冲计划-以期权为主.md

@@ -59,7 +59,7 @@ contracts = perp_eth / contract_size
 | `lib/hedge_plan/hedge_plan_option_primary_lib.py` | 定仓/方向/目标/净利/校验 |
 | `hedge_plan_orders_lib.py` | 路径、开平永续、启动前定仓刷新 |
 | `hedge_plan_monitor_lib.py` | `_tick_po_option_primary*` |
-| `hedge_plan_register.py` / `hedge_plan_db.py` | preview/start/persist 列 |
+| `hedge_plan_register.py` / `hedge_plan_db.py` | preview/start/persist；`options-chain?option_primary&min_hours&strike_interval` |
 | `hedge_plan.js` + `hedge_plan_panel.html` | 开关与左右卡 |
 
 ## 6. 测试