Show control monitor mode as SIM/A or SIM/B sizing codes.

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

control/frontend/src/pages/Monitor.tsx

@@ -221,8 +221,8 @@ function riskLines(strat: Record<string, unknown>): RiskLines {
   const riskOrOpen = `${lossPct || "—"}/${openRatio}`;
   return {
     riskBased,
-    sizing: riskBased ? "以损定仓" : "手动仓位",
-    sizingShort: riskBased ? "以损" : "手动",
+    sizing: riskBased ? "以损定仓(A)" : "手动开仓(B)",
+    sizingShort: riskBased ? "A" : "B",
     lossPct,
     exit,
     openRatio,
@@ -234,9 +234,17 @@ function riskLines(strat: Record<string, unknown>): RiskLines {
 function modeLabel(mode: string, strat: Record<string, unknown>): string {
   const m = String(mode || "-").toUpperCase();
   const short = m.includes("LIVE") ? "LIVE" : m.includes("SIM") ? "SIM" : m || "-";
+  // A=以损定仓，B=手动开仓
   return `${short}/${riskLines(strat).sizingShort}`;
 }
 
+function modeLabelTitle(mode: string, strat: Record<string, unknown>): string {
+  const label = modeLabel(mode, strat);
+  const riskBased =
+    strat.sizing_mode === "risk_based" || strat.risk_based === true;
+  return `${label}（${riskBased ? "A=以损定仓" : "B=手动开仓"}）`;
+}
+
 function tokenDotClass(n: {
   token_configured?: boolean;
   fleet_ok?: boolean | null;
@@ -768,7 +776,12 @@ export default function MonitorPage() {
                     <td>
                       <strong className="machine-name">{n.name}</strong>
                     </td>
-                    <td className="mono">{modeLabel(s.mode, s.strat)}</td>
+                    <td
+                      className="mono"
+                      title={modeLabelTitle(s.mode, s.strat)}
+                    >
+                      {modeLabel(s.mode, s.strat)}
+                    </td>
                     <td className="mono">{s.exchange}</td>
                     <td className={inPos ? "pnl-pos" : "pnl-neg"}>
                       {inPos ? "持仓中" : "无持仓"}