feat: 持仓快照盈亏比与交易所止损已保本标识

盈亏比固定用开仓 initial_stop_loss 计算，人工改委托后不变化；轮询交易所止损触发价相对成交价判定已保本，四所实例与中控统一显示绿色标识。

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

manual_trading_hub/static/app.js

@@ -403,6 +403,28 @@
     return reward / risk;
   }
 
+  function resolveSnapshotRr(mo, side, entry, sl, tp, tpMonitored) {
+    if (tpMonitored) return null;
+    const snap = mo && mo.rr_ratio;
+    if (snap != null && snap !== "") {
+      const n = Number(snap);
+      if (Number.isFinite(n)) return n;
+    }
+    const initSl = mo && (mo.initial_stop_loss != null ? mo.initial_stop_loss : mo.stop_loss);
+    return calcRrRatio(side, entry, initSl || sl, tp);
+  }
+
+  function isBreakevenSecured(side, entry, monitorOrder, cond) {
+    const mo = monitorOrder || {};
+    if (mo.sl_breakeven_secured === true || mo.sl_breakeven_secured === 1) return true;
+    const { sl } = pickExTpslOrders(cond);
+    const trig = sl && sl.trigger_price != null ? Number(sl.trigger_price) : NaN;
+    const e = Number(entry);
+    if (!Number.isFinite(trig) || !Number.isFinite(e)) return false;
+    if ((side || "long").toLowerCase() === "short") return trig <= e;
+    return trig >= e;
+  }
+
   async function loadMonitorBoard() {
     const box = document.getElementById("monitor-grid");
     const showLoading = !lastMonitorRows.length;
@@ -932,7 +954,8 @@
     const sl = tpsl.sl;
     const tp = tpsl.tp;
     const tpMonitored = tpsl.tp_monitored;
-    const rr = tpMonitored ? null : calcRrRatio(side, entry, sl, tp);
+    const rr = resolveSnapshotRr(mo, side, entry, sl, tp, tpMonitored);
+    const beSecured = isBreakevenSecured(side, entry, mo, cond);
     const upnl = pos.unrealized_pnl;
     let pnlText = fmt(upnl, 2) + "U";
     if (pos.notional_usdt && upnl != null && Math.abs(Number(pos.notional_usdt)) > 1e-8) {
@@ -956,6 +979,9 @@
     meta.push(
       `<span class="${beOn ? "pos-meta-on" : "pos-meta-off"}">移动保本:${beOn ? "开" : "关"}</span>`
     );
+    if (beSecured) {
+      meta.push(`<span class="pos-meta-item"><span class="pos-breakeven-badge">已保本</span></span>`);
+    }
     const mktAttrs = marketOpenBtnAttrs(exchangeId, exchangeKey, symbol, pos, monitorOrder, trendPlan);
     return `<div class="pos-card hub-pos-card">
       <div class="pos-card-head">