Allow risk-based 永期 exits via premium multiple as well as base×k.

Settings UI picks 基数 or 权利金×n; sizing preview and control monitor follow.

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

control/frontend/src/pages/Monitor.tsx

@@ -208,10 +208,13 @@ function riskLines(strat: Record<string, unknown>): RiskLines {
     const minH = Number(
       strat.oo_min_option_hours ?? strat.min_option_hours,
     );
+    const ampFilt = strat.oo_amplitude_filter_enabled === true;
     const amp =
       Number.isFinite(ampN) && Number.isFinite(ampH)
-        ? `≤${fmt(ampN, ampN % 1 === 0 ? 0 : 1)}%·${fmt(ampH, 0)}h`
-        : "≤—";
+        ? ampFilt
+          ? `≤${fmt(ampN, ampN % 1 === 0 ? 0 : 1)}%·${fmt(ampH, 0)}h`
+          : `${fmt(ampH, 0)}h`
+        : "—";
     const callQ =
       strat.risk_sizing_preview &&
       typeof strat.risk_sizing_preview === "object" &&
@@ -246,13 +249,15 @@ function riskLines(strat: Record<string, unknown>): RiskLines {
       isOo: true,
       sizing: riskBased ? "以损定仓(A)" : "手动开仓(B)",
       sizingShort: riskBased ? "A" : "B",
-      lossPct: Number.isFinite(ampN)
+      lossPct: ampFilt && Number.isFinite(ampN)
         ? `≤${fmt(ampN, ampN % 1 === 0 ? 0 : 1)}%`
         : null,
       exit,
       openRatio,
       riskOrOpen: `${amp}/${openRatio}/${minHours}`,
-      riskOrOpenTitle: "振幅上限·回看 / Call:Put 数量 / 最短剩余(h)",
+      riskOrOpenTitle: ampFilt
+        ? "振幅上限·回看 / Call:Put 数量 / 最短剩余(h)"
+        : "振幅回看 / Call:Put 数量 / 最短剩余(h)",
       minHours,
       leverage,
       leverageTitle: "期期单腿最低杠杆",
@@ -261,7 +266,12 @@ function riskLines(strat: Record<string, unknown>): RiskLines {
 
   const exitMode = String(strat.exit_mode || "fixed_usdt");
   let exit: string;
-  if (riskBased) {
+  if (riskBased && exitMode === "premium_multiple") {
+    exit =
+      strat.premium_exit_multiple != null
+        ? `权利金×${fmt(strat.premium_exit_multiple, 2)}`
+        : "权利金×—";
+  } else if (riskBased) {
     exit =
       strat.risk_exit_unit != null && Number.isFinite(Number(strat.risk_exit_unit))
         ? `基数${unitLabel(strat.risk_exit_unit)}`