Hide unused risk-policy nav and options-account env for hedge-only.

Gate system-settings options panels on STANDALONE_OPTIONS_UI so settings no longer 500 without the options trading module.

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

lib/env/env_ui_manifest.py

@@ -258,7 +258,13 @@ _HEDGE_COMMON_FIELDS: list[tuple[str, str, str]] = [
     (
         "HEDGE_PLAN_BUDGET_BUFFER",
         "对冲预算缓冲比例",
-        "默认 0.95;仅对冲计划;与期权页 OKX_OPTIONS_BUDGET_BUFFER 独立",
+        "默认 0.95;仅对冲计划",
+    ),
+    ("OKX_OPTIONS_DEFAULT_UNDERLY", "默认标的", "如 ETH;对冲页期权链默认标的"),
+    (
+        "OKX_OPTIONS_CHAIN_MAX_DTE_DAYS",
+        "期权链展示天数",
+        "默认 14;对冲页到期日只出现该天数内的合约",
     ),
     (
         "HEDGE_PLAN_MANUAL_COMPLETE_ON_PARTIAL",
@@ -495,7 +501,9 @@ def ui_sections_for_exchange(
         if not m:
             m = _okx_mode_for_env_ui()
         sections.append(_MODE_SECTION)
-        sections.append({"title": "期权账户", "fields": _options_fields_for_mode(m)})
+        # 单独期权模式才展示「期权账户」;对冲模式相关项已并入下方对冲分区
+        if m == "options":
+            sections.append({"title": "期权账户", "fields": _options_fields_for_mode(m)})
         hedge_fields = _hedge_fields_for_mode(m)
         if hedge_fields:
             title = "对冲计划·永期" if m == "perp_options" else "对冲计划·期期"