(function () {
  const toast = document.getElementById("toast");
  let settingsCache = null;
  let authState = { required: false, logged_in: true };
  let tpslPending = null;
  let lastMonitorRows = [];
  let expandedExchangeId = sessionStorage.getItem("hub_expanded_ex") || "";
  const HUB_MONITOR_BOARD_CACHE_KEY = "hub_monitor_board_v1";
  const HUB_MONITOR_CACHE_MAX_AGE_MS = 6 * 60 * 60 * 1000;
  const MONITOR_BOARD_SNAPSHOT_URL = "/api/monitor/board/snapshot";
  const HUB_MONITOR_SNAPSHOT_TIMEOUT_MS = 15000;
  /** 关注：浮亏超过交易账户余额的比例（10%） */
  const HUB_ALERT_FLOAT_LOSS_RATIO = 0.1;
  let lastMonitorBoardUpdatedAt = "";
  let localBoardVersion = 0;
  let monitorBoardInFlight = false;
  let monitorBoardFetchPending = false;
  let monitorBoardSlowHintTimer = null;
  let boardEventSource = null;
  let sseReconnectTimer = null;

  async function apiFetch(url, opts) {
    const r = await fetch(url, opts);
    if (r.status === 401) {
      const next = encodeURIComponent(location.pathname + location.search);
      location.href = "/login?next=" + next;
      throw new Error("未登录");
    }
    return r;
  }

  let instanceFrameUrl = "";
  /** @type {{ exchangeId: string, nextPath: string, title: string } | null} */
  let instanceFrameCtx = null;

  function isHubEmbedded() {
    try {
      return window.self !== window.top;
    } catch (_) {
      return true;
    }
  }

  /** 在 LocalNav 等父页 iframe 内：直接替换本 iframe 地址，避免 postMessage / 三层嵌套 */
  function openInstanceInParentFrame(url) {
    try {
      window.location.assign(url);
      return true;
    } catch (_) {
      return false;
    }
  }

  async function fetchInstanceOpenUrl(exchangeId, nextPath, opts) {
    const options = opts || {};
    const next = nextPath || "/";
    const q = new URLSearchParams({ exchange_id: String(exchangeId), next });
    if (options.embed) q.set("embed", "1");
    const r = await apiFetch("/api/instance/open-url?" + q.toString());
    const j = await r.json();
    if (!j.ok || !j.url) {
      throw new Error(j.detail || "无法生成打开链接");
    }
    return j.url;
  }

  async function openInstance(exchangeId, nextPath, opts) {
    const options = opts || {};
    const newTab = !!options.newTab;
    const next = nextPath || "/";
    try {
      const embedded = isHubEmbedded();
      const url = await fetchInstanceOpenUrl(exchangeId, next, { embed: embedded });
      if (newTab) {
        window.open(url, "_blank", "noopener");
        return;
      }
      const row = lastMonitorRows.find((x) => String(x.id) === String(exchangeId));
      const title = row ? row.name : exchangeId;
      instanceFrameCtx = { exchangeId: String(exchangeId), nextPath: next, title };
      if (embedded) {
        try {
          window.parent.postMessage(
            {
              type: "hub:open-instance-nav",
              exchangeId: String(exchangeId),
              nextPath: next,
              title,
            },
            "*"
          );
        } catch (_) {}
        if (openInstanceInParentFrame(url)) return;
      }
      openInstanceFrame(url, title);
    } catch (e) {
      showToast(String(e), true);
    }
  }

  async function refreshInstanceFrame() {
    if (!instanceFrameCtx) {
      if (instanceFrameUrl) {
        const frame = document.getElementById("instance-frame");
        if (frame) frame.src = instanceFrameUrl;
      }
      return;
    }
    try {
      const url = await fetchInstanceOpenUrl(
        instanceFrameCtx.exchangeId,
        instanceFrameCtx.nextPath,
        { embed: isHubEmbedded() }
      );
      instanceFrameUrl = url;
      const frame = document.getElementById("instance-frame");
      if (frame) frame.src = url;
    } catch (e) {
      showToast(String(e), true);
    }
  }

  function openInstanceFrame(url, title) {
    const shell = document.getElementById("instance-frame-shell");
    const frame = document.getElementById("instance-frame");
    const titleEl = document.getElementById("instance-frame-title");
    if (!shell || !frame) {
      window.open(url, "_blank", "noopener");
      return;
    }
    closeExchangeFullscreen();
    instanceFrameUrl = url;
    if (titleEl) titleEl.textContent = title || "实例";
    frame.src = url;
    shell.classList.remove("hidden");
    shell.setAttribute("aria-hidden", "false");
    document.body.classList.add("hub-instance-frame-open");
  }

  function closeInstanceFrame() {
    const shell = document.getElementById("instance-frame-shell");
    const frame = document.getElementById("instance-frame");
    instanceFrameUrl = "";
    instanceFrameCtx = null;
    if (frame) frame.src = "about:blank";
    if (shell) {
      shell.classList.add("hidden");
      shell.setAttribute("aria-hidden", "true");
    }
    document.body.classList.remove("hub-instance-frame-open");
  }

  /** @deprecated use openInstance */
  async function openInstanceInBrowser(exchangeId, nextPath) {
    return openInstance(exchangeId, nextPath, { newTab: false });
  }

  async function initAuth() {
    try {
      const r = await fetch("/api/auth/status");
      authState = await r.json();
      const btn = document.getElementById("btn-logout");
      if (btn) btn.style.display = authState.required ? "" : "none";
      if (authState.required && !authState.logged_in) {
        location.href =
          "/login?next=" + encodeURIComponent(location.pathname + location.search);
        return false;
      }
      return true;
    } catch (_) {
      return true;
    }
  }

  function showToast(msg, isErr) {
    toast.textContent = msg;
    toast.style.borderColor = isErr ? "var(--red)" : "var(--border)";
    toast.classList.add("show");
    clearTimeout(showToast._t);
    showToast._t = setTimeout(() => toast.classList.remove("show"), 7000);
  }

  function esc(s) {
    return String(s)
      .replace(/&/g, "&")
      .replace(/</g, "&lt;")
      .replace(/>/g, "&gt;")
      .replace(/"/g, "&quot;");
  }

  function fmt(n, d) {
    if (n === null || n === undefined || Number.isNaN(Number(n))) return "—";
    return Number(n).toLocaleString(undefined, { maximumFractionDigits: d });
  }

  /** 交易所持仓开仓价（四所子代理 entry_price） */
  function positionEntryPrice(pos) {
    if (!pos) return null;
    const n = Number(pos.entry_price);
    if (!Number.isFinite(n) || n <= 0) return null;
    return n;
  }

  function symbolPriceKey(sym) {
    return (sym || "").trim().toUpperCase();
  }

  function buildPriceTickMap(row) {
    const map = Object.create(null);
    const put = (sym, tick) => {
      const k = symbolPriceKey(sym);
      if (!k || tick == null || !Number.isFinite(Number(tick))) return;
      if (map[k] == null) map[k] = Number(tick);
    };
    ((row && row.agent && row.agent.positions) || []).forEach((p) => put(p.symbol, p.price_tick));
    const hm = (row && row.hub_monitor) || {};
    (hm.trends || []).forEach((t) => put(t.exchange_symbol || t.symbol, t.price_tick));
    (hm.orders || []).forEach((o) => put(o.exchange_symbol || o.symbol, o.price_tick));
    return map;
  }

  function lookupPriceTick(symbol, tickMap) {
    if (!tickMap || !symbol) return null;
    const k = symbolPriceKey(symbol);
    if (tickMap[k] != null) return tickMap[k];
    const base = normSym(symbol);
    if (base && tickMap[base] != null) return tickMap[base];
    return null;
  }

  function decimalsFromTick(tick) {
    if (tick == null || !Number.isFinite(Number(tick)) || Number(tick) <= 0) return null;
    const t = Number(tick);
    if (t >= 1) return 0;
    const s = t.toFixed(12).replace(/0+$/, "");
    const frac = s.split(".")[1];
    return frac ? Math.min(12, frac.length) : 0;
  }

  function defaultPriceDecimals(value) {
    const n = Number(value);
    if (!Number.isFinite(n)) return 4;
    const av = Math.abs(n);
    if (av >= 10000) return 2;
    if (av >= 100) return 3;
    if (av >= 1) return 4;
    if (av >= 0.01) return 6;
    return 8;
  }

  /** 按交易所 tick（子代理/Flask 下发）格式化价格 */
  function fmtSymbolPrice(value, symbol, tickMap, displayFallback) {
    if (displayFallback != null && displayFallback !== "") return String(displayFallback);
    if (value == null || value === "") return "—";
    const n = Number(value);
    if (!Number.isFinite(n)) return "—";
    const tick = lookupPriceTick(symbol, tickMap);
    const d = decimalsFromTick(tick);
    return fmt(n, d != null ? d : defaultPriceDecimals(n));
  }

  function fmtEntryPrice(pos, tickMap) {
    if (pos && pos.entry_price_fmt) return String(pos.entry_price_fmt);
    return fmtSymbolPrice(positionEntryPrice(pos), pos && pos.symbol, tickMap);
  }

  function positionMarkPrice(pos) {
    if (!pos) return null;
    const n = Number(pos.mark_price);
    if (!Number.isFinite(n) || n <= 0) return null;
    return n;
  }

  function fmtMarkPrice(pos, tickMap) {
    if (pos && pos.mark_price_fmt) return String(pos.mark_price_fmt);
    return fmtSymbolPrice(positionMarkPrice(pos), pos && pos.symbol, tickMap);
  }

  function pnlCls(v) {
    const n = Number(v);
    if (!Number.isFinite(n) || n === 0) return "";
    return n > 0 ? "pnl-pos" : "pnl-neg";
  }

  function normSide(side) {
    const s = (side || "").toLowerCase();
    if (s === "buy") return "long";
    if (s === "sell") return "short";
    return s;
  }

  function sideDirCls(side) {
    const s = normSide(side);
    if (s === "long") return "side-long";
    if (s === "short") return "side-short";
    return "";
  }

  function sideDirLabel(side) {
    const s = normSide(side);
    if (s === "long") return "做多";
    if (s === "short") return "做空";
    return side || "—";
  }

  function renderDirectionHtml(side) {
    const cls = sideDirCls(side);
    const label = sideDirLabel(side);
    if (!cls) return esc(String(label));
    return `<span class="${cls}">${esc(label)}</span>`;
  }

  function keyHasPendingOrder(keyRow, keyPrice) {
    const kp = keyPrice || {};
    const oid = keyRow.fib_limit_order_id;
    if (oid != null && String(oid).trim() !== "") return true;
    const gm = String(kp.gate_metrics || "");
    if (gm.includes("限价单") || gm.includes("挂单")) return true;
    const gs = String(kp.gate_summary || "");
    if (/挂|限价|等待成交/.test(gs)) return true;
    return false;
  }

  function fmtKeyOrderAmount(keyRow) {
    const raw = keyRow.fib_order_amount;
    if (raw == null || raw === "") return "";
    const n = Number(raw);
    if (!Number.isFinite(n) || n <= 0) return "";
    return `${fmt(n, 4)} 张`;
  }

  /** 全屏持仓区：按仓位数量附加布局 class（1～6 固定列数，7+ 自动填充） */
  function hubPosListCountClass(n) {
    const c = Math.max(0, parseInt(n, 10) || 0);
    if (c <= 0) return "count-0";
    if (c <= 6) return `count-${c}`;
    return "count-many";
  }

  function currentPage() {
    const p = window.location.pathname.replace(/\/$/, "") || "/monitor";
    if (p.includes("settings")) return "settings";
    if (p.includes("market")) return "market";
    return "monitor";
  }

  function setActiveNav() {
    const page = currentPage();
    document.querySelectorAll(".top-nav a").forEach((a) => {
      a.classList.toggle("active", a.getAttribute("href").includes(page));
    });
    document.querySelectorAll(".page").forEach((el) => {
      el.classList.toggle("hidden", !el.id.includes(page));
    });
    if (page === "monitor") startMonitorPoll();
    else stopMonitorPoll();
    if (page === "settings") loadSettingsUI();
    if (page === "market" && window.hubMarketChart) {
      window.hubMarketChart.init();
    } else if (window.hubMarketChart) {
      if (window.hubMarketChart.stopAutoRefresh) window.hubMarketChart.stopAutoRefresh();
      if (window.hubMarketChart.stopPriceTagTimer) window.hubMarketChart.stopPriceTagTimer();
    }
  }

  function stopMonitorPoll() {
    closeMonitorBoardStream();
    if (sseReconnectTimer) {
      clearTimeout(sseReconnectTimer);
      sseReconnectTimer = null;
    }
  }

  function closeMonitorBoardStream() {
    if (boardEventSource) {
      boardEventSource.close();
      boardEventSource = null;
    }
  }

  function connectMonitorBoardStream() {
    closeMonitorBoardStream();
    if (!document.getElementById("auto-monitor")?.checked) return;
    if (currentPage() !== "monitor") return;
    boardEventSource = new EventSource("/api/monitor/board/stream");
    boardEventSource.addEventListener("board", (ev) => {
      try {
        const st = JSON.parse(ev.data || "{}");
        const ver = Number(st.board_version) || 0;
        if (ver !== localBoardVersion) {
          void fetchMonitorBoardSnapshot({ background: true });
        } else if (st.aggregating && lastMonitorRows.length) {
          applyMonitorBoardUi(lastMonitorRows, st.updated_at || lastMonitorBoardUpdatedAt, {
            stale: true,
          });
        }
      } catch (_) {}
    });
    boardEventSource.onerror = () => {
      closeMonitorBoardStream();
      if (sseReconnectTimer) clearTimeout(sseReconnectTimer);
      sseReconnectTimer = setTimeout(() => {
        if (currentPage() === "monitor" && document.getElementById("auto-monitor")?.checked) {
          connectMonitorBoardStream();
          void fetchMonitorBoardSnapshot({ background: true });
        }
      }, 8000);
    };
  }

  async function requestMonitorBoardRefresh() {
    await apiFetch("/api/monitor/board/refresh", { method: "POST" });
  }

  function clearMonitorBoardSlowHint() {
    if (monitorBoardSlowHintTimer) {
      clearTimeout(monitorBoardSlowHintTimer);
      monitorBoardSlowHintTimer = null;
    }
  }

  function scheduleMonitorBoardSlowHint(box) {
    clearMonitorBoardSlowHint();
    if (!box) return;
    monitorBoardSlowHintTimer = setTimeout(() => {
      if (lastMonitorRows.length) return;
      const el = box.querySelector(".board-loading");
      if (!el) return;
      const sub = el.querySelector(".board-loading-sub");
      if (sub) {
        sub.textContent =
          "后台首次聚合较慢（四所子代理 + Flask）。可检查 PM2、或设 HUB_BOARD_KEY_PRICES=false 加速。";
      }
    }, 12000);
  }

  function saveMonitorBoardCache(rows, updatedAt, boardVersion) {
    try {
      sessionStorage.setItem(
        HUB_MONITOR_BOARD_CACHE_KEY,
        JSON.stringify({
          version: 1,
          board_version: boardVersion != null ? boardVersion : localBoardVersion,
          updated_at: updatedAt || "",
          rows: rows || [],
          saved_at: Date.now(),
        })
      );
    } catch (_) {}
  }

  function loadMonitorBoardFromCache() {
    try {
      const raw = sessionStorage.getItem(HUB_MONITOR_BOARD_CACHE_KEY);
      if (!raw) return null;
      const data = JSON.parse(raw);
      if (!data || !Array.isArray(data.rows) || !data.rows.length) return null;
      const age = Date.now() - Number(data.saved_at || 0);
      if (!Number.isFinite(age) || age > HUB_MONITOR_CACHE_MAX_AGE_MS) {
        sessionStorage.removeItem(HUB_MONITOR_BOARD_CACHE_KEY);
        return null;
      }
      return data;
    } catch (_) {
      return null;
    }
  }

  function restoreMonitorBoardFromCache() {
    const cached = loadMonitorBoardFromCache();
    if (!cached) return false;
    lastMonitorRows = cached.rows;
    lastMonitorBoardUpdatedAt = cached.updated_at || "";
    localBoardVersion = 0;
    applyMonitorBoardUi(cached.rows, lastMonitorBoardUpdatedAt, { stale: true });
    return true;
  }

  function applyMonitorBoardUi(rows, updatedAt, opts) {
    const options = opts || {};
    const tsRaw = updatedAt || lastMonitorBoardUpdatedAt || "";
    if (updatedAt) lastMonitorBoardUpdatedAt = updatedAt;
    const online = (rows || []).filter((x) => x.http_ok && (x.agent || {}).ok !== false).length;
    const pill = document.getElementById("sys-status");
    if (pill) {
      pill.textContent = rows.length ? `LINK ${online}/${rows.length}` : "NO DATA";
      pill.classList.toggle("warn", rows.length && online < rows.length);
      if (options.stale) pill.classList.add("syncing");
      else pill.classList.remove("syncing");
    }
    const upd = document.getElementById("monitor-updated");
    if (upd) {
      const ts = tsRaw.replace("T", " ");
      upd.textContent = options.stale
        ? ts
          ? `缓存 ${ts} · 后台聚合中…`
          : "后台聚合中…"
        : ts
          ? `UPD ${ts}`
          : "";
    }
    updateMonitorAlertSummary(rows || []);
    renderMonitorGrid(rows || []);
  }

  function startMonitorPoll() {
    const hadCache = restoreMonitorBoardFromCache();
    void fetchMonitorBoardSnapshot({ showLoading: !hadCache });
    connectMonitorBoardStream();
  }

  async function loadSettings() {
    const r = await apiFetch("/api/settings");
    settingsCache = await r.json();
    return settingsCache;
  }

  function enabledAccounts() {
    return (settingsCache?.exchanges || []).filter((x) => x.enabled);
  }

  function isMobileLayout() {
    return window.matchMedia("(max-width: 720px)").matches;
  }

  function positionHasContracts(p) {
    const c = Number(p && p.contracts);
    return Number.isFinite(c) && Math.abs(c) >= 1e-12;
  }

  function exchangeNeedsFlask(row) {
    const caps = row.capabilities || [];
    return caps.includes("key") || caps.includes("trend");
  }

  function positionMissingStopLoss(pos, orders, trends) {
    if (!positionHasContracts(pos)) return false;
    const mo = findMonitorOrder(orders, pos.symbol, pos.side);
    const tp = findTrendPlan(trends, pos.symbol, pos.side);
    const tpsl = resolvePositionTpsl(pos, mo, tp);
    const sl = tpsl.sl;
    if (sl !== "" && sl != null && Number.isFinite(Number(sl))) return false;
    const cond = condOrdersFromPosition(pos);
    const picked = pickExTpslOrders(cond);
    if (picked.sl && picked.sl.trigger_price != null) return false;
    const et = pos.exchange_tpsl;
    if (et && et.sl) return false;
    return true;
  }

  function analyzeExchangeAlert(row) {
    const ag = row.agent || {};
    const hm = row.hub_monitor || {};
    const pos = Array.isArray(ag.positions) ? ag.positions : [];
    const flaskOk = row.flask_ok !== false && hm.ok !== false;
    const upnl = Number(ag.total_unrealized_pnl);
    const balance = Number(ag.balance_usdt);
    const sortUpnl = Number.isFinite(upnl) ? upnl : 0;

    if (!row.http_ok) {
      return { level: "error", summary: "子代理离线", sortUpnl: 0 };
    }
    if (ag.ok === false) {
      return {
        level: "error",
        summary: (ag.error || row.error || "子代理异常").slice(0, 24),
        sortUpnl: 0,
      };
    }
    if (exchangeNeedsFlask(row) && !flaskOk) {
      const fe = row.flask_error || hm.error || hm.msg || "Flask未连通";
      return { level: "error", summary: String(fe).slice(0, 24), sortUpnl };
    }

    const orders = flaskOk ? hm.orders || [] : [];
    const trends = flaskOk ? hm.trends || [] : [];
    let missingSl = false;
    for (const p of pos) {
      if (positionMissingStopLoss(p, orders, trends)) {
        missingSl = true;
        break;
      }
    }

    if (Number.isFinite(upnl) && upnl < 0 && Number.isFinite(balance) && balance > 0) {
      const lossPct = (Math.abs(upnl) / balance) * 100;
      if (lossPct >= HUB_ALERT_FLOAT_LOSS_RATIO * 100) {
        return {
          level: "warn",
          summary: `浮亏超10% · ${fmt(upnl, 2)}U`,
          sortUpnl,
        };
      }
    }
    if (missingSl) {
      return { level: "warn", summary: "缺止损", sortUpnl };
    }

    const openCount = pos.filter(positionHasContracts).length;
    return {
      level: "ok",
      summary: openCount ? "正常" : "空仓",
      sortUpnl,
    };
  }

  function sortRowsForMobileDashboard(rows) {
    const levelOrder = { error: 0, warn: 1, ok: 2 };
    return rows
      .map((r) => ({ r, a: analyzeExchangeAlert(r) }))
      .sort((x, y) => {
        const ld = levelOrder[x.a.level] - levelOrder[y.a.level];
        if (ld !== 0) return ld;
        return (x.a.sortUpnl || 0) - (y.a.sortUpnl || 0);
      })
      .map((x) => x.r);
  }

  function updateMonitorAlertSummary(rows) {
    const el = document.getElementById("monitor-alert-summary");
    if (!el) return;
    if (!isMobileLayout() || !rows.length) {
      el.classList.add("hidden");
      el.innerHTML = "";
      return;
    }
    let err = 0;
    let warn = 0;
    let ok = 0;
    rows.forEach((r) => {
      const lv = analyzeExchangeAlert(r).level;
      if (lv === "error") err += 1;
      else if (lv === "warn") warn += 1;
      else ok += 1;
    });
    el.classList.remove("hidden");
    el.innerHTML = `<span class="mas-item mas-ok">正常 ${ok}</span><span class="mas-sep">·</span><span class="mas-item mas-warn">关注 ${warn}</span><span class="mas-sep">·</span><span class="mas-item mas-err">异常 ${err}</span>`;
  }

  /** 监控卡片列数：桌面 3/2 列；手机端 2 列瓦片 */
  function syncMonitorGridColumns(gridEl, count) {
    if (!gridEl) return;
    if (isMobileLayout()) {
      gridEl.style.gridTemplateColumns = "repeat(2, minmax(0, 1fr))";
      return;
    }
    let cols = 3;
    if (count <= 1) cols = 1;
    else if (count === 2) cols = 2;
    else if (count === 3) cols = 3;
    else if (count === 4) cols = 2;
    else cols = 3;
    gridEl.style.gridTemplateColumns = `repeat(${cols}, minmax(0, 1fr))`;
  }

  function initMobileLayout() {
    let resizeTimer = null;
    let wasMobile = isMobileLayout();
    window.addEventListener("resize", () => {
      clearTimeout(resizeTimer);
      resizeTimer = setTimeout(() => {
        const nowMobile = isMobileLayout();
        if (lastMonitorRows.length && nowMobile !== wasMobile) {
          wasMobile = nowMobile;
          renderMonitorGrid(lastMonitorRows);
          updateMonitorAlertSummary(lastMonitorRows);
          return;
        }
        wasMobile = nowMobile;
        const box = document.getElementById("monitor-grid");
        if (box && lastMonitorRows.length) {
          syncMonitorGridColumns(box, lastMonitorRows.length);
          updateMonitorAlertSummary(lastMonitorRows);
        }
      }, 120);
    });
  }

  function normSym(s) {
    return String(s || "")
      .toUpperCase()
      .replace(/:USDT$/i, "")
      .replace(/\/USDT:USDT$/i, "")
      .replace(/\/USDT$/i, "");
  }

  function symbolsMatchHub(a, b) {
    const x = normSym(a);
    const y = normSym(b);
    if (!x || !y) return false;
    return x === y;
  }

  function ordersCollapseKey(exchangeId, symbol) {
    const sym = normSym(symbol) || "unknown";
    return `hub_orders_${exchangeId}_${sym}`;
  }

  function isOrdersCollapseOpen(exchangeId, symbol) {
    return localStorage.getItem(ordersCollapseKey(exchangeId, symbol)) === "1";
  }

  function condOrdersFromPosition(pos) {
    const cond = Array.isArray(pos.conditional_orders) ? pos.conditional_orders : [];
    if (cond.length) return cond;
    const et = pos.exchange_tpsl;
    if (!et) return [];
    const out = [];
    if (et.sl && et.sl.trigger_price != null) {
      out.push({
        label: "止损",
        trigger_price: Number(et.sl.trigger_price),
        amount: null,
        id: et.sl.order_id,
        channel: "algo",
      });
    }
    if (et.tp && et.tp.trigger_price != null) {
      out.push({
        label: "止盈",
        trigger_price: Number(et.tp.trigger_price),
        amount: null,
        id: et.tp.order_id,
        channel: "algo",
      });
    }
    return out;
  }

  function findMonitorOrder(orders, symbol, side) {
    const want = (side || "").toLowerCase();
    for (const o of orders || []) {
      const sym = o.exchange_symbol || o.symbol || "";
      if (!symbolsMatchHub(sym, symbol)) continue;
      const d = (o.direction || "").toLowerCase();
      if (!d || d === want) return o;
    }
    return null;
  }

  function calcRrRatio(side, entry, sl, tp) {
    const e = Number(entry);
    const s = Number(sl);
    const t = Number(tp);
    if (![e, s, t].every((n) => Number.isFinite(n) && n > 0)) return null;
    if ((side || "long").toLowerCase() === "short") {
      const risk = s - e;
      const reward = e - t;
      if (risk <= 0 || reward <= 0) return null;
      return reward / risk;
    }
    const risk = e - s;
    const reward = t - e;
    if (risk <= 0 || reward <= 0) return null;
    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, pos) {
    const mo = monitorOrder || {};
    const p = pos || {};
    if (mo.sl_breakeven_secured === true || mo.sl_breakeven_secured === 1) return true;
    if (p.sl_breakeven_secured === true || p.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;
  }

  function breakevenBadgeHtml() {
    return `<span class="pos-breakeven-badge">已保本</span>`;
  }

  async function fetchMonitorBoardSnapshot(opts) {
    const options = opts || {};
    const background = !!options.background;
    const showLoading = !!options.showLoading && !lastMonitorRows.length;
    const box = document.getElementById("monitor-grid");
    if (monitorBoardInFlight) {
      if (background) monitorBoardFetchPending = true;
      else return;
    }
    if (showLoading && box) {
      box.innerHTML =
        '<div class="board-loading"><span class="board-loading-spin" aria-hidden="true"></span>正在加载监控快照…<p class="board-loading-sub"></p></div>';
      scheduleMonitorBoardSlowHint(box);
    } else if (background && lastMonitorRows.length) {
      applyMonitorBoardUi(lastMonitorRows, null, { stale: true });
    }
    monitorBoardInFlight = true;
    const ctrl = new AbortController();
    const fetchTimer = setTimeout(() => ctrl.abort(), HUB_MONITOR_SNAPSHOT_TIMEOUT_MS);
    try {
      const r = await apiFetch(MONITOR_BOARD_SNAPSHOT_URL, { signal: ctrl.signal });
      const data = await r.json();
      if (!r.ok) {
        throw new Error(data.msg || data.detail || `HTTP ${r.status}`);
      }
      const ver = Number(data.board_version) || 0;
      const rows = data.rows || [];
      const waitingFirst = data.aggregating && !rows.length && ver <= localBoardVersion;
      if (waitingFirst && showLoading) {
        if (box) {
          const sub = box.querySelector(".board-loading-sub");
          if (sub) sub.textContent = "后台正在首次聚合四所数据（约 5～15 秒）…";
        }
        return;
      }
      const ts = data.updated_at || "";
      const versionChanged = ver !== localBoardVersion;
      const timeChanged = ts && ts !== lastMonitorBoardUpdatedAt;
      if (versionChanged || timeChanged || !lastMonitorRows.length) {
        localBoardVersion = ver;
        lastMonitorRows = rows;
        saveMonitorBoardCache(lastMonitorRows, ts, ver);
        applyMonitorBoardUi(lastMonitorRows, ts, {
          stale: !!data.aggregating,
        });
      } else if (data.aggregating && lastMonitorRows.length) {
        applyMonitorBoardUi(lastMonitorRows, data.updated_at || lastMonitorBoardUpdatedAt, {
          stale: true,
        });
      }
      if (data.ok === false && data.msg && !background) {
        showToast(String(data.msg), true);
      }
    } catch (e) {
      const msg =
        e && e.name === "AbortError" ? "读取监控快照超时，请检查中控是否运行" : String(e);
      if (background && lastMonitorRows.length) {
        showToast("快照读取失败，仍显示上次数据", true);
        applyMonitorBoardUi(lastMonitorRows, null, { stale: false });
        return;
      }
      if (box) box.innerHTML = `<div class="err">${esc(msg)}</div>`;
    } finally {
      clearTimeout(fetchTimer);
      clearMonitorBoardSlowHint();
      monitorBoardInFlight = false;
      if (monitorBoardFetchPending) {
        monitorBoardFetchPending = false;
        void fetchMonitorBoardSnapshot({ background: true });
      }
    }
  }

  async function refreshMonitorBoardNow() {
    if (lastMonitorRows.length) {
      applyMonitorBoardUi(lastMonitorRows, lastMonitorBoardUpdatedAt, { stale: true });
    }
    try {
      await requestMonitorBoardRefresh();
      await fetchMonitorBoardSnapshot({ background: false });
    } catch (e) {
      showToast(String(e), true);
    }
  }

  function closeExchangeFullscreen() {
    expandedExchangeId = "";
    sessionStorage.removeItem("hub_expanded_ex");
    const fs = document.getElementById("exchange-fullscreen");
    if (fs) {
      fs.classList.add("hidden");
      fs.setAttribute("aria-hidden", "true");
    }
    document.body.classList.remove("hub-fullscreen-open");
  }

  function openExchangeFullscreen(exId) {
    expandedExchangeId = String(exId);
    sessionStorage.setItem("hub_expanded_ex", expandedExchangeId);
    renderMonitorGrid(lastMonitorRows);
  }

  function renderMonitorGrid(rows) {
    const box = document.getElementById("monitor-grid");
    const fs = document.getElementById("exchange-fullscreen");
    const fsInner = document.getElementById("exchange-fullscreen-inner");
    if (!box) return;
    if (expandedExchangeId && !rows.some((r) => String(r.id) === String(expandedExchangeId))) {
      closeExchangeFullscreen();
    }
    const mobileTiles = isMobileLayout() && !expandedExchangeId;
    const displayRows = mobileTiles ? sortRowsForMobileDashboard(rows) : rows;
    box.classList.toggle("grid-monitor-tiles", mobileTiles);
    box.innerHTML =
      displayRows
        .map((r) => (mobileTiles ? renderMonitorTile(r) : renderMonitorCard(r)))
        .join("") || '<div class="err">无已启用账户</div>';
    syncMonitorGridColumns(box, displayRows.length);
    bindMonitorInteractions(box);

    if (expandedExchangeId && fs && fsInner) {
      const row = rows.find((r) => String(r.id) === String(expandedExchangeId));
      if (row) {
        try {
          fsInner.innerHTML = renderFullscreenExchange(row);
          fs.classList.remove("hidden");
          fs.setAttribute("aria-hidden", "false");
          document.body.classList.add("hub-fullscreen-open");
          bindMonitorInteractions(fsInner);
          fsInner.querySelectorAll(".btn-expand-back").forEach((btn) => {
            btn.onclick = (ev) => {
              ev.stopPropagation();
              closeExchangeFullscreen();
              renderMonitorGrid(lastMonitorRows);
            };
          });
        } catch (err) {
          console.error("renderFullscreenExchange", err);
          closeExchangeFullscreen();
          showToast("全屏渲染失败: " + err, true);
        }
      } else {
        closeExchangeFullscreen();
      }
    } else {
      closeExchangeFullscreen();
    }
  }

  function normalizeMarketSymbol(raw) {
    let s = (raw || "").trim().toUpperCase();
    if (!s) return "";
    if (s.includes(":")) {
      const base = s.split(":")[0];
      if (base.includes("/")) return base;
    }
    return s;
  }

  function resolveExchangeKey(exchangeId) {
    const row = (lastMonitorRows || []).find((r) => String(r.id) === String(exchangeId));
    return (row && (row.key || row.id)) || exchangeId;
  }

  function findTrendPlan(trends, symbol, side) {
    const want = (side || "").toLowerCase();
    for (const t of trends || []) {
      const sym = t.symbol || t.exchange_symbol || "";
      if (!symbolsMatchHub(sym, symbol)) continue;
      const d = (t.direction || "").toLowerCase();
      if (!d || d === want) return t;
    }
    return null;
  }

  function inferTpslFromCondOrders(side, cond, entry) {
    const picked = pickExTpslOrders(cond);
    let sl = picked.sl && picked.sl.trigger_price != null ? picked.sl.trigger_price : "";
    let tp = picked.tp && picked.tp.trigger_price != null ? picked.tp.trigger_price : "";
    if (sl !== "" && tp !== "" && Number(sl) !== Number(tp)) {
      return { sl, tp };
    }

    const triggers = (cond || [])
      .map(function (o) {
        return { price: Number(o.trigger_price), label: o.label || "" };
      })
      .filter(function (o) {
        return o.price != null && !Number.isNaN(o.price) && o.price > 0;
      });
    if (!triggers.length) return { sl: sl || "", tp: tp || "" };

    const s = (side || "long").toLowerCase();
    const e = entry != null && Number.isFinite(Number(entry)) ? Number(entry) : null;

    if (e != null) {
      const below = triggers.filter(function (t) {
        return t.price < e;
      });
      const above = triggers.filter(function (t) {
        return t.price > e;
      });
      if (s === "long") {
        if (sl === "" && below.length) {
          sl = Math.max.apply(
            null,
            below.map(function (t) {
              return t.price;
            })
          );
        }
        if (tp === "" && above.length) {
          tp = Math.min.apply(
            null,
            above.map(function (t) {
              return t.price;
            })
          );
        }
      } else {
        if (sl === "" && above.length) {
          sl = Math.min.apply(
            null,
            above.map(function (t) {
              return t.price;
            })
          );
        }
        if (tp === "" && below.length) {
          tp = Math.max.apply(
            null,
            below.map(function (t) {
              return t.price;
            })
          );
        }
      }
    }

    if (triggers.length === 1 && sl === "" && tp === "") {
      const one = triggers[0];
      const p = one.price;
      const lbl = one.label;
      if (e != null) {
        if (s === "long") {
          if (p < e) sl = p;
          else if (p > e) tp = p;
        } else if (p > e) sl = p;
        else if (p < e) tp = p;
      } else if (/止损/.test(lbl)) sl = p;
      else if (/止盈/.test(lbl) && !/止盈止损/.test(lbl)) tp = p;
    }

    if (sl !== "" && tp !== "" && Number(sl) === Number(tp)) tp = "";
    return { sl: sl || "", tp: tp || "" };
  }

  function resolvePositionTpsl(pos, monitorOrder, trendPlan) {
    const mo = monitorOrder || {};
    const tp = trendPlan || {};
    const cond = condOrdersFromPosition(pos);
    const entryRaw =
      pos.entry_price != null
        ? pos.entry_price
        : mo.trigger_price != null
          ? mo.trigger_price
          : tp.avg_entry_price;
    const entryN = entryRaw != null && entryRaw !== "" ? Number(entryRaw) : null;
    const isTrend =
      !!(trendPlan && trendPlan.id) || String(mo.monitor_type || "").trim() === "趋势回调";

    let sl = mo.stop_loss != null && mo.stop_loss !== "" ? mo.stop_loss : "";
    let takeProfit = mo.take_profit != null && mo.take_profit !== "" ? mo.take_profit : "";
    let tpMonitored = false;

    if (isTrend) {
      tpMonitored = true;
      takeProfit = "";
      if (trendPlan && trendPlan.stop_loss != null && trendPlan.stop_loss !== "") {
        sl = trendPlan.stop_loss;
      }
    }

    const inferred = inferTpslFromCondOrders(pos.side, cond, entryN);
    if (sl === "" || sl == null) sl = inferred.sl;
    if (!tpMonitored && (takeProfit === "" || takeProfit == null)) takeProfit = inferred.tp;

    if (sl !== "" && takeProfit !== "" && Number(sl) === Number(takeProfit)) {
      takeProfit = "";
    }

    return {
      entry: entryRaw,
      sl,
      tp: takeProfit,
      tp_monitored: tpMonitored,
      is_trend: isTrend,
    };
  }

  function buildPositionMarketContext(pos, monitorOrder, trendPlan) {
    const tpsl = resolvePositionTpsl(pos, monitorOrder, trendPlan);
    const cond = condOrdersFromPosition(pos);
    const reg = Array.isArray(pos.regular_orders) ? pos.regular_orders : [];
    const num = function (v) {
      if (v == null || v === "") return null;
      const n = Number(v);
      return Number.isFinite(n) ? n : null;
    };
    const orders = [];
    cond.forEach(function (o) {
      orders.push({
        kind: "条件",
        label: o.label || "条件单",
        price: num(o.trigger_price),
        amount: num(o.amount),
      });
    });
    reg.forEach(function (o) {
      orders.push({
        kind: "普通",
        label: o.label || o.type || "委托",
        price: num(o.price != null ? o.price : o.trigger_price),
        amount: num(o.amount),
      });
    });
    return {
      side: (pos.side || "long").toLowerCase(),
      entry: num(tpsl.entry),
      stop_loss: num(tpsl.sl),
      take_profit: num(tpsl.tp),
      tp_monitored: !!tpsl.tp_monitored,
      is_trend: !!tpsl.is_trend,
      contracts: num(pos.contracts),
      orders: orders,
    };
  }

  const HUB_MARKET_POS_CTX_KEY = "hubMarketPosContext";

  function encodePosCtx(ctx) {
    try {
      return btoa(unescape(encodeURIComponent(JSON.stringify(ctx))));
    } catch (e) {
      return "";
    }
  }

  function decodePosCtx(raw) {
    if (!raw) return null;
    try {
      return JSON.parse(decodeURIComponent(escape(atob(raw))));
    } catch (e) {
      return null;
    }
  }

  function marketOpenBtnAttrs(exchangeId, exchangeKey, symbol, pos, monitorOrder, trendPlan) {
    const symAttr = esc(symbol || "").replace(/"/g, "&quot;");
    const exKeyAttr = esc(exchangeKey || exchangeId || "").replace(/"/g, "&quot;");
    const ctxEnc = esc(encodePosCtx(buildPositionMarketContext(pos, monitorOrder, trendPlan))).replace(
      /"/g,
      "&quot;"
    );
    return (
      'data-ex-id="' +
      esc(exchangeId) +
      '" data-ex-key="' +
      exKeyAttr +
      '" data-symbol="' +
      symAttr +
      '" data-pos-ctx="' +
      ctxEnc +
      '"'
    );
  }

  function openMarketForPosition(exchangeId, symbol, exchangeKey, posCtxRaw) {
    const exKey = exchangeKey || resolveExchangeKey(exchangeId);
    const sym = normalizeMarketSymbol(symbol);
    if (!exKey || !sym) {
      showToast("无法打开行情：缺少交易所或合约", true);
      return;
    }
    const ctx = decodePosCtx(posCtxRaw);
    if (ctx) {
      ctx.symbol = sym;
      ctx.exchange_key = exKey;
      sessionStorage.setItem(HUB_MARKET_POS_CTX_KEY, JSON.stringify(ctx));
    } else {
      sessionStorage.removeItem(HUB_MARKET_POS_CTX_KEY);
    }
    if (expandedExchangeId) {
      closeExchangeFullscreen();
    }
    const qs = new URLSearchParams({ exchange_key: exKey, symbol: sym });
    history.pushState({}, "", "/market?" + qs.toString());
    setActiveNav();
    if (window.hubMarketChart && window.hubMarketChart.openWith) {
      window.hubMarketChart.openWith(exKey, sym);
    }
  }

  function bindMonitorInteractions(box) {
    box.querySelectorAll(".btn-open-market").forEach((btn) => {
      btn.onclick = (ev) => {
        ev.preventDefault();
        ev.stopPropagation();
        openMarketForPosition(btn.dataset.exId, btn.dataset.symbol, btn.dataset.exKey, btn.dataset.posCtx);
      };
    });
    box.querySelectorAll(".btn-open-instance").forEach((btn) => {
      btn.onclick = (ev) => {
        ev.preventDefault();
        ev.stopPropagation();
        openInstance(btn.dataset.exId, btn.dataset.next || "/", {
          newTab: ev.ctrlKey || ev.metaKey,
        });
      };
    });
    box.querySelectorAll(".btn-close-ex").forEach((btn) => {
      btn.onclick = () => closeOne(btn.dataset.id);
    });
    box.querySelectorAll(".btn-close-pos").forEach((btn) => {
      btn.onclick = (ev) => {
        ev.stopPropagation();
        closeOnePosition(btn.dataset.exId, btn.dataset.symbol, btn.dataset.side);
      };
    });
    box.querySelectorAll(".btn-cancel-order").forEach((btn) => {
      btn.onclick = (ev) => {
        ev.stopPropagation();
        cancelOneOrder(
          btn.dataset.exId,
          btn.dataset.symbol,
          btn.dataset.orderId,
          btn.dataset.channel
        );
      };
    });
    box.querySelectorAll(".btn-cancel-cond-all").forEach((btn) => {
      btn.onclick = (ev) => {
        ev.preventDefault();
        ev.stopPropagation();
        cancelSymbolOrders(btn.dataset.exId, btn.dataset.symbol, "conditional");
      };
    });
    box.querySelectorAll(".btn-place-tpsl").forEach((btn) => {
      btn.onclick = (ev) => {
        ev.stopPropagation();
        openTpslModal(
          btn.dataset.exId,
          btn.dataset.symbol,
          btn.dataset.side,
          btn.dataset.contracts,
          btn.dataset.sl || "",
          btn.dataset.tp || ""
        );
      };
    });
    box.querySelectorAll(".card-expand-zone").forEach((zone) => {
      zone.onclick = (ev) => {
        if (ev.target.closest("a, button, input, summary, details, .card-actions")) return;
        const id = zone.closest(".card")?.dataset.exId;
        if (id) openExchangeFullscreen(id);
      };
    });
    box.querySelectorAll("details.pos-orders-collapse[data-collapse-key]").forEach((el) => {
      el.addEventListener("toggle", () => {
        const k = el.dataset.collapseKey;
        if (k) localStorage.setItem(k, el.open ? "1" : "0");
      });
    });
  }

  function renderOrderRows(exchangeId, symbol, orders, kind, tickMap) {
    if (!orders || !orders.length) {
      const hint =
        kind === "conditional"
          ? "暂无条件单（止盈/止损等）"
          : "暂无普通委托";
      return `<div class="order-empty">${hint}</div>`;
    }
    const symAttr = esc(symbol || "").replace(/"/g, "&quot;");
    const rows = orders
      .map((o) => {
        const oidAttr = esc(o.id || "").replace(/"/g, "&quot;");
        const chAttr = esc(o.channel || "regular").replace(/"/g, "&quot;");
        const trig =
          o.trigger_price != null
            ? fmtSymbolPrice(o.trigger_price, symbol, tickMap)
            : o.price != null
              ? fmtSymbolPrice(o.price, symbol, tickMap)
              : "—";
        return `<tr>
          <td>${esc(o.label || o.type || "委托")}</td>
          <td>${fmt(o.amount, 4)}</td>
          <td>${trig}</td>
          <td class="td-actions"><button type="button" class="btn-cancel-order ghost" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-order-id="${oidAttr}" data-channel="${chAttr}">撤单</button></td>
        </tr>`;
      })
      .join("");
    return `<table class="data-table data-table-sub"><thead><tr><th>类型</th><th>数量</th><th>触发/价格</th><th>操作</th></tr></thead><tbody>${rows}</tbody></table>`;
  }

  function guessTpslFromCondOrders(side, cond, entry) {
    return inferTpslFromCondOrders(side, cond, entry);
  }

  function renderOrdersCollapse(exchangeId, symbol, cond, reg, tickMap) {
    const symAttr = esc(symbol || "").replace(/"/g, "&quot;");
    const orderTotal = cond.length + reg.length;
    const collapseKey = ordersCollapseKey(exchangeId, symbol);
    const openAttr = isOrdersCollapseOpen(exchangeId, symbol) ? " open" : "";
    const condAllBtn =
      cond.length > 0
        ? `<button type="button" class="btn-cancel-cond-all btn-sm ghost" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}">撤销条件单</button>`
        : "";
    const condBody = renderOrderRows(exchangeId, symbol, cond, "conditional", tickMap);
    const regBody = renderOrderRows(exchangeId, symbol, reg, "limit", tickMap);
    return `<details class="pos-orders-collapse"${openAttr} data-collapse-key="${esc(collapseKey)}">
        <summary class="pos-orders-collapse-summary">
          <span class="pos-orders-collapse-label">委托单 <em>${orderTotal}</em></span>
          <span class="pos-orders-collapse-meta">条件 ${cond.length} · 普通 ${reg.length}</span>
          ${condAllBtn}
        </summary>
        <div class="pos-orders-collapse-body">
          <div class="orders-section">
            <div class="orders-section-head">条件单</div>
            ${condBody}
          </div>
          <div class="orders-section">
            <div class="orders-section-head">普通委托</div>
            ${regBody}
          </div>
        </div>
      </details>`;
  }

  function pickExTpslOrders(cond) {
    let sl = cond.find((o) => /^止损\b/.test(o.label || ""));
    let tp = cond.find((o) => /^止盈\b/.test(o.label || "") && !(o.label || "").includes("止盈止损"));
    if (!sl || !tp) {
      const combo = cond.find((o) => (o.label || "").includes("止盈止损"));
      if (combo) {
        const m = (combo.label || "").match(/SL=([\d.eE+-]+).*TP=([\d.eE+-]+)/i);
        if (m) {
          if (!sl) sl = { ...combo, label: "止损", trigger_price: Number(m[1]) };
          if (!tp) tp = { ...combo, label: "止盈", trigger_price: Number(m[2]) };
        }
      }
    }
    if (!sl) sl = cond.find((o) => (o.label || "").includes("止损"));
    if (!tp) tp = cond.find((o) => (o.label || "").includes("止盈") && o !== sl);
    return { sl, tp };
  }

  function renderExTpslRows(exchangeId, symbol, cond, tickMap) {
    const symAttr = esc(symbol || "").replace(/"/g, "&quot;");
    const { sl, tp } = pickExTpslOrders(cond);
    function row(label, o) {
      if (!o) {
        return `<div class="pos-ex-order-row"><span class="pos-ex-order-main">${label}：—</span></div>`;
      }
      const oid = esc(o.id || "").replace(/"/g, "&quot;");
      const ch = esc(o.channel || "regular").replace(/"/g, "&quot;");
      const trig =
        o.trigger_price != null ? fmtSymbolPrice(o.trigger_price, symbol, tickMap) : "—";
      return `<div class="pos-ex-order-row">
        <span class="pos-ex-order-main">${label}：触发 ${trig} · 数量 ${fmt(o.amount, 4)}</span>
        <button type="button" class="pos-ex-cancel-btn btn-cancel-order" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-order-id="${oid}" data-channel="${ch}">撤单</button>
      </div>`;
    }
    return row("止损", sl) + row("止盈", tp);
  }

  function trendAddSummaryHtml(t, tickMap) {
    const done = t.add_count != null ? t.add_count : t.legs_done;
    const total = t.add_count_total != null ? t.add_count_total : t.dca_legs;
    const sym = t.exchange_symbol || t.symbol || "";
    let html = "";
    if (done != null && Number(done) >= 0) {
      html += total != null ? ` · 补仓 <strong>${esc(done)}/${esc(total)}</strong>` : ` · 补仓 <strong>${esc(done)}</strong> 次`;
      const pxs = t.add_prices_display;
      if (Array.isArray(pxs) && pxs.length) {
        html += ` · 加仓价 ${pxs.map((p) => esc(p)).join(" / ")}`;
      } else if (Array.isArray(t.add_prices) && t.add_prices.length) {
        html += ` · 加仓价 ${t.add_prices.map((p) => esc(fmtSymbolPrice(p, sym, tickMap))).join(" / ")}`;
      } else if (Number(done) === 0) {
        html += " · 加仓价 —";
      }
    }
    return html;
  }

  function renderTrendSection(trends, tickMap) {
    if (!trends || !trends.length) return "";
    return trends
      .map((t) => {
        const sym = t.exchange_symbol || t.symbol || "";
        const sl = t.stop_loss_display || fmtSymbolPrice(t.stop_loss, sym, tickMap);
        const tp = t.take_profit_display || fmtSymbolPrice(t.take_profit, sym, tickMap);
        const avg = t.avg_entry_price_display || fmtSymbolPrice(t.avg_entry_price, sym, tickMap);
        return `<div class="hub-mini-card">
        <div class="hub-mini-title">#${esc(t.id)} · ${esc(t.symbol)} · ${renderDirectionHtml(t.direction)}</div>
        <div class="hub-mini-line">均价 ${esc(avg)} · SL ${esc(sl)} · TP ${esc(tp)}${trendAddSummaryHtml(t, tickMap)} · 状态 ${esc(t.status || "active")}</div>
      </div>`;
      })
      .join("");
  }

  function renderLivePositionCard(exchangeId, exchangeKey, pos, monitorOrder, trendPlan, tickMap) {
    const symbol = pos.symbol || "";
    const exKeyAttr = esc(exchangeKey || exchangeId || "").replace(/"/g, "&quot;");
    const side = (pos.side || "long").toLowerCase();
    const sideCn = sideDirLabel(side);
    const sideCls = sideDirCls(side) || "side-long";
    const mo = monitorOrder || {};
    const cond = condOrdersFromPosition(pos);
    const reg = Array.isArray(pos.regular_orders) ? pos.regular_orders : [];
    const tpsl = resolvePositionTpsl(pos, mo, trendPlan);
    const symAttr = esc(symbol).replace(/"/g, "&quot;");
    const sideAttr = esc(side).replace(/"/g, "&quot;");
    const contractsAttr = esc(String(pos.contracts != null ? pos.contracts : "")).replace(/"/g, "&quot;");
    const slAttr = esc(String(tpsl.sl)).replace(/"/g, "&quot;");
    const tpAttr = esc(String(tpsl.tp)).replace(/"/g, "&quot;");
    const entry = tpsl.entry;
    const sl = tpsl.sl;
    const tp = tpsl.tp;
    const tpMonitored = tpsl.tp_monitored;
    const rr = resolveSnapshotRr(mo, side, entry, sl, tp, tpMonitored);
    const beSecured = isBreakevenSecured(side, entry, mo, cond, pos);
    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) {
      const pct = (Number(upnl) / Math.abs(Number(pos.notional_usdt))) * 100;
      pnlText += ` (${pct >= 0 ? "" : ""}${pct.toFixed(2)}%)`;
    }
    const meta = [];
    if (mo.monitor_type || mo.key_signal_type) {
      meta.push(
        `来源: ${esc(mo.monitor_type || "下单监控")}${mo.key_signal_type ? " · " + esc(mo.key_signal_type) : ""}`
      );
    } else {
      meta.push("来源: 交易所持仓");
    }
    if (mo.trade_style) meta.push(`风格: ${esc(mo.trade_style)}`);
    else meta.push("风格: —");
    if (mo.risk_percent != null) {
      meta.push(`风险: ${esc(mo.risk_percent)}%`);
    }
    const beOn = mo.breakeven_enabled === 1 || mo.breakeven_enabled === true;
    meta.push(
      `<span class="${beOn ? "pos-meta-on" : "pos-meta-off"}">移动保本:${beOn ? "开" : "关"}</span>`
    );
    if (trendPlan && trendPlan.id) {
      meta.push(`趋势回调${trendAddSummaryHtml(trendPlan, tickMap)}`);
    }
    const symBeBadge = beSecured ? ` ${breakevenBadgeHtml()}` : "";
    const mktAttrs = marketOpenBtnAttrs(exchangeId, exchangeKey, symbol, pos, monitorOrder, trendPlan);
    return `<div class="pos-card hub-pos-card">
      <div class="pos-card-head">
        <div class="pos-card-symbol">
          <button type="button" class="btn-open-market sym-link pos-symbol-link" ${mktAttrs} title="打开行情区（含入场/止盈止损）"><strong>${esc(symbol)}</strong></button>${symBeBadge}
          <span class="pos-side-badge ${sideCls}">${sideCn}</span>
        </div>
        <div class="pos-head-actions">
          <button type="button" class="pos-entrust-btn btn-place-tpsl" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-side="${sideAttr}" data-contracts="${contractsAttr}" data-sl="${slAttr}" data-tp="${tpAttr}">委托</button>
          <button type="button" class="pos-close-btn btn-close-pos" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-side="${sideAttr}">平仓</button>
        </div>
      </div>
      <div class="pos-meta">${meta.map((m) => `<span class="pos-meta-item">${m}</span>`).join("")}</div>
      <div class="pos-grid">
        <div class="pos-cell"><span class="pos-label">开仓价</span><span class="pos-value">${fmtEntryPrice(pos, tickMap)}</span></div>
        <div class="pos-cell"><span class="pos-label">标记价</span><span class="pos-value">${fmtMarkPrice(pos, tickMap)}</span></div>
        <div class="pos-cell"><span class="pos-label">止损</span><span class="pos-value">${sl != null && sl !== "" ? fmtSymbolPrice(sl, symbol, tickMap) : "—"}</span></div>
        <div class="pos-cell"><span class="pos-label">止盈</span><span class="pos-value">${tpMonitored ? "程序监控" : tp != null && tp !== "" ? fmtSymbolPrice(tp, symbol, tickMap) : "—"}</span></div>
        <div class="pos-cell"><span class="pos-label">盈亏比</span><span class="pos-value">${tpMonitored ? "—" : rr != null ? fmt(rr, 2) + ":1" : "-:1"}</span></div>
        <div class="pos-cell"><span class="pos-label">张数</span><span class="pos-value">${fmt(pos.contracts, 4)}</span></div>
        <div class="pos-cell"><span class="pos-label">浮盈亏</span><span class="pos-value ${pnlCls(upnl)}">${pnlText}</span></div>
      </div>
      <div class="pos-footer">
        <span>杠杆: ${mo.leverage != null ? esc(mo.leverage) + "x" : "—"}</span>
        <span>计划基数: ${mo.margin_capital != null ? fmt(mo.margin_capital, 2) + "U" : "—"}</span>
        <span>仓位占比: ${mo.position_ratio != null ? esc(mo.position_ratio) + "%" : "—"}</span>
      </div>
      <div class="pos-ex-orders">
        <div class="pos-ex-orders-title">交易所止盈止损</div>
        ${renderExTpslRows(exchangeId, symbol, cond, tickMap)}
      </div>
      ${renderOrdersCollapse(exchangeId, symbol, cond, reg, tickMap)}
    </div>`;
  }

  function renderHubSectionCard(title, bodyHtml, emptyHint) {
    const inner = bodyHtml || `<div class="pos-empty">${esc(emptyHint || "暂无")}</div>`;
    return `<div class="hub-section-card">
      <div class="hub-section-head">${esc(title)}</div>
      <div class="hub-section-body">${inner}</div>
    </div>`;
  }

  function renderKeySection(keys, kmap) {
    if (!keys.length) return "";
    const cards = keys
      .map((k) => {
        const kp = kmap[k.id] || kmap[String(k.id)] || {};
        const mt = k.monitor_type || k.type || "";
        const pending = keyHasPendingOrder(k, kp);
        const cardCls = pending ? "hub-mini-card hub-key-pending" : "hub-mini-card";
        const dir = k.direction ? ` · ${renderDirectionHtml(k.direction)}` : "";
        const pendingTag = pending
          ? `<span class="hub-key-pending-tag">挂单中</span>`
          : "";
        const amtTxt = fmtKeyOrderAmount(k);
        const amtLine = amtTxt
          ? `<div class="hub-mini-line">挂单数量 ${esc(amtTxt)}</div>`
          : "";
        return `<div class="${cardCls}">
          <div class="hub-mini-title">${esc(k.symbol)} · ${esc(mt)}${dir} ${pendingTag}</div>
          <div class="hub-mini-line">上沿 ${esc(k.upper)} / 下沿 ${esc(k.lower)}</div>
          ${amtLine}
          <div class="hub-mini-line hub-key-status-line">${esc(kp.gate_summary || kp.price_display || kp.price || "—")}${kp.gate_metrics ? ` · ${esc(kp.gate_metrics)}` : ""}</div>
        </div>`;
      })
      .join("");
    return `<div class="hub-key-list">${cards}</div>`;
  }

  function renderOrderMonitorSection(orders, tickMap) {
    if (!orders || !orders.length) return "";
    return orders
      .map((o) => {
        const sym = o.exchange_symbol || o.symbol || "";
        return `<div class="hub-mini-card">
        <div class="hub-mini-title">#${esc(o.id)} · ${esc(o.symbol || o.exchange_symbol)} · ${renderDirectionHtml(o.direction)}</div>
        <div class="hub-mini-line">触发 ${fmtSymbolPrice(o.trigger_price, sym, tickMap)} · SL ${fmtSymbolPrice(o.stop_loss, sym, tickMap)} · TP ${fmtSymbolPrice(o.take_profit, sym, tickMap)} · ${esc(o.trade_style || o.monitor_type || "下单监控")}</div>
      </div>`;
      })
      .join("");
  }

  function renderRollSection(rolls, tickMap) {
    if (!rolls || !rolls.length) return "";
    return rolls
      .map(
        (g) => `<div class="hub-mini-card">
        <div class="hub-mini-title">组 #${esc(g.id)} · 监控单 #${esc(g.order_monitor_id || "—")}</div>
        <div class="hub-mini-line">腿数 ${esc(g.leg_count != null ? g.leg_count : "—")} · 止损 ${fmtSymbolPrice(g.current_stop_loss, g.symbol, tickMap)} · ${esc(g.status || "active")}</div>
      </div>`
      )
      .join("");
  }

  function renderPositionBlock(exchangeId, exchangeKey, x, monitorOrder, trendPlan, tickMap, opts) {
    const options = opts || {};
    const compact = !!options.compact;
    const symAttr = esc(x.symbol || "").replace(/"/g, "&quot;");
    const exKeyAttr = esc(exchangeKey || exchangeId || "").replace(/"/g, "&quot;");
    const sideAttr = esc((x.side || "").toLowerCase()).replace(/"/g, "&quot;");
    const side = sideAttr || "long";
    const contractsAttr = esc(String(x.contracts != null ? x.contracts : "")).replace(/"/g, "&quot;");
    const cond = condOrdersFromPosition(x);
    const reg = Array.isArray(x.regular_orders) ? x.regular_orders : [];
    const tpsl = resolvePositionTpsl(x, monitorOrder, trendPlan);
    const beSecured = isBreakevenSecured(side, tpsl.entry, monitorOrder, cond, x);
    const slAttr = esc(String(tpsl.sl)).replace(/"/g, "&quot;");
    const tpAttr = esc(String(tpsl.tp)).replace(/"/g, "&quot;");
    const mktAttrs = marketOpenBtnAttrs(exchangeId, exchangeKey, x.symbol, x, monitorOrder, trendPlan);
    const symBeBadge = beSecured ? ` ${breakevenBadgeHtml()}` : "";
    const actionCell = compact
      ? `<button type="button" class="btn-close-pos btn-sm danger" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-side="${sideAttr}">平仓</button>`
      : `<div class="pos-action-group">
              <button type="button" class="btn-place-tpsl btn-sm ghost" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-side="${sideAttr}" data-contracts="${contractsAttr}" data-sl="${slAttr}" data-tp="${tpAttr}">委托</button>
              <button type="button" class="btn-close-pos btn-sm danger" data-ex-id="${esc(exchangeId)}" data-symbol="${symAttr}" data-side="${sideAttr}">平仓</button>
            </div>`;
    const ordersBlock = compact
      ? ""
      : renderOrdersCollapse(exchangeId, x.symbol, cond, reg, tickMap);
    return `<div class="pos-block">
      <div class="table-scroll">
      <table class="data-table"><thead><tr><th>合约</th><th>方向</th><th>开仓价</th><th>标记价</th><th>张数</th><th>浮盈</th><th>操作</th></tr></thead><tbody>
        <tr>
          <td class="td-symbol"><button type="button" class="btn-open-market sym-link" ${mktAttrs} title="打开行情区（含入场/止盈止损）">${esc(x.symbol)}</button>${symBeBadge}</td>
          <td class="${sideDirCls(x.side)}">${renderDirectionHtml(x.side)}</td>
          <td class="td-entry">${fmtEntryPrice(x, tickMap)}</td>
          <td>${fmtMarkPrice(x, tickMap)}</td>
          <td>${fmt(x.contracts, 4)}</td>
          <td class="${pnlCls(x.unrealized_pnl)}">${fmt(x.unrealized_pnl, 2)}</td>
          <td class="td-actions">${actionCell}</td>
        </tr>
      </tbody></table>
      </div>
      ${ordersBlock}
    </div>`;
  }

  function renderGridBody(row, ag, pos, hm, flaskOk, keys, orders, trends, rolls, kmap) {
    const tickMap = buildPriceTickMap(row);
    let inner = `<div class="stat-row">
      <div class="stat-box"><div class="stat-label">余额</div><div class="stat-value">${fmt(ag.balance_usdt, 2)} <small style="font-size:12px;color:var(--muted)">U</small></div></div>
      <div class="stat-box"><div class="stat-label">浮盈合计</div><div class="stat-value ${pnlCls(ag.total_unrealized_pnl)}">${fmt(ag.total_unrealized_pnl, 2)}</div></div>
    </div>`;
    inner += `<div class="section-title">交易所持仓 · ${pos.length} 仓</div>`;
    if (pos.length) {
      inner += pos
        .map((p) =>
          renderPositionBlock(
            row.id,
            row.key || row.id,
            p,
            findMonitorOrder(orders, p.symbol, p.side),
            findTrendPlan(trends, p.symbol, p.side),
            tickMap,
            { compact: true }
          )
        )
        .join("");
    } else {
      inner += '<div class="empty-hint">无持仓</div>';
    }
    inner += `<div class="card-expand-hint">点击标题栏进入全屏 · 委托 / 关键位 / 下单监控 / 趋势回调 / 顺势加仓</div>`;
    return inner;
  }

  function renderFullscreenExchange(row) {
    const tickMap = buildPriceTickMap(row);
    const ag = row.agent || {};
    const pos = Array.isArray(ag.positions) ? ag.positions : [];
    const hm = row.hub_monitor || {};
    const flaskOk = row.flask_ok !== false && hm.ok !== false;
    const keys = flaskOk ? hm.keys || [] : [];
    const orders = flaskOk ? hm.orders || [] : [];
    const trends = flaskOk ? hm.trends || [] : [];
    const rolls = flaskOk ? hm.rolls || [] : [];
    const kmap = {};
    (row.key_prices || []).forEach((k) => {
      kmap[k.id] = k;
    });
    const flaskOpen = row.flask_url_browser || row.flask_url;
    let html = `<div class="fs-head">
      <div>
        <h2 class="fs-title">${esc(row.name)}</h2>
        <div class="fs-sub">${esc(flaskOpen || "")}</div>
      </div>
      <div class="fs-head-actions">
        <button type="button" class="ghost btn-expand-back">返回监控</button>
        ${flaskOpen ? `<a class="btn-link btn-open-instance" href="#" data-ex-id="${esc(row.id)}" data-next="/">打开实例</a>` : ""}
        ${flaskOpen ? `<a class="btn-link btn-open-instance" href="#" data-ex-id="${esc(row.id)}" data-next="/strategy">策略交易</a>` : ""}
        <button type="button" class="danger btn-close-ex" data-id="${esc(row.id)}">全平</button>
      </div>
    </div>`;
    if (!row.http_ok || ag.ok === false) {
      html += `<div class="err">${esc(row.error || ag.error || "子代理不可用")}</div>`;
      return html;
    }
    html += `<div class="stat-row">
      <div class="stat-box"><div class="stat-label">余额</div><div class="stat-value">${fmt(ag.balance_usdt, 2)} U</div></div>
      <div class="stat-box"><div class="stat-label">浮盈合计</div><div class="stat-value ${pnlCls(ag.total_unrealized_pnl)}">${fmt(ag.total_unrealized_pnl, 2)}</div></div>
    </div>`;
    const posCount = pos.length;
    const posListCls = hubPosListCountClass(posCount);
    html += `<div class="section-title">持仓（${posCount} 仓 · 每币种一卡）</div>`;
    html += `<div class="hub-pos-list ${posListCls}" data-pos-count="${posCount}">`;
    if (posCount) {
      pos.forEach((p) => {
        html += renderLivePositionCard(
          row.id,
          row.key || row.id,
          p,
          findMonitorOrder(orders, p.symbol, p.side),
          findTrendPlan(trends, p.symbol, p.side),
          tickMap
        );
      });
    } else {
      html += '<div class="pos-empty">暂无持仓</div>';
    }
    html += "</div>";
    if ((row.capabilities || []).includes("key")) {
      if (!flaskOk) {
        html += renderHubSectionCard("关键位", `<div class="err">${esc(row.flask_error || hm.error || "Flask 未连通")}</div>`, "");
      } else {
        html += renderHubSectionCard(
          `关键位 · ${keys.length}`,
          renderKeySection(keys, kmap),
          "当前无关键位记录"
        );
      }
    }
    html += renderHubSectionCard("下单监控", renderOrderMonitorSection(orders, tickMap), "暂无运行中的下单监控");
    if ((row.capabilities || []).includes("trend")) {
      html += renderHubSectionCard("趋势回调", renderTrendSection(trends, tickMap), "暂无运行中的趋势回调计划");
    }
    html += renderHubSectionCard("顺势加仓", renderRollSection(rolls, tickMap), "暂无运行中的顺势加仓组");
    return html;
  }

  function openTpslModal(exchangeId, symbol, side, contracts, slHint, tpHint) {
    tpslPending = {
      exchangeId,
      symbol,
      side: (side || "long").toLowerCase(),
      contracts: parseFloat(contracts),
    };
    const modal = document.getElementById("tpsl-modal");
    const meta = document.getElementById("tpsl-modal-meta");
    const slIn = document.getElementById("tpsl-sl");
    const tpIn = document.getElementById("tpsl-tp");
    if (!modal || !meta || !slIn || !tpIn) return;
    meta.textContent = `${symbol} · ${side} · ${contracts} 张`;
    slIn.value = slHint !== "" && slHint != null ? String(slHint) : "";
    tpIn.value = tpHint !== "" && tpHint != null ? String(tpHint) : "";
    modal.classList.remove("hidden");
    modal.setAttribute("aria-hidden", "false");
    slIn.focus();
  }

  function closeTpslModal() {
    tpslPending = null;
    const modal = document.getElementById("tpsl-modal");
    if (modal) {
      modal.classList.add("hidden");
      modal.setAttribute("aria-hidden", "true");
    }
  }

  async function submitTpslModal() {
    if (!tpslPending) return;
    const slIn = document.getElementById("tpsl-sl");
    const tpIn = document.getElementById("tpsl-tp");
    const sl = parseFloat(slIn && slIn.value);
    const tp = parseFloat(tpIn && tpIn.value);
    if (!sl || sl <= 0 || !tp || tp <= 0) {
      showToast("请填写有效的止损价与止盈价", true);
      return;
    }
    const { exchangeId, symbol, side, contracts } = tpslPending;
    if (
      !confirm(
        `确认 ${symbol} ${side}\n先撤销全部条件单，再挂止损 ${sl}、止盈 ${tp}？`
      )
    ) {
      return;
    }
    const btn = document.getElementById("tpsl-submit");
    if (btn) btn.disabled = true;
    try {
      const r = await apiFetch(
        "/api/orders/" + encodeURIComponent(exchangeId) + "/place-tpsl",
        {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({
            symbol,
            side,
            stop_loss: sl,
            take_profit: tp,
            contracts: contracts > 0 ? contracts : null,
          }),
        }
      );
      const j = await r.json();
      const pl = j.payload || {};
      const ok = j.ok && pl.ok !== false;
      const n = pl.placed && pl.placed.cancelled_conditional;
      showToast(
        ok
          ? `已挂单（已撤 ${n != null ? n : "?"} 笔旧条件单）`
          : pl.error || JSON.stringify(j),
        !ok
      );
      if (ok) {
        closeTpslModal();
        refreshMonitorBoardNow();
      }
    } catch (e) {
      showToast(String(e), true);
    } finally {
      if (btn) btn.disabled = false;
    }
  }

  function initInstanceFrame() {
    const back = document.getElementById("instance-frame-back");
    const refresh = document.getElementById("instance-frame-refresh");
    const newTab = document.getElementById("instance-frame-newtab");
    const frame = document.getElementById("instance-frame");
    if (back) back.onclick = () => closeInstanceFrame();
    if (refresh) refresh.onclick = () => refreshInstanceFrame();
    if (newTab) {
      newTab.onclick = () => {
        if (instanceFrameCtx) {
          openInstance(instanceFrameCtx.exchangeId, instanceFrameCtx.nextPath, {
            newTab: true,
          });
          return;
        }
        if (instanceFrameUrl) window.open(instanceFrameUrl, "_blank", "noopener");
      };
    }
  }

  function initFullscreen() {
    const backdrop = document.getElementById("exchange-fullscreen-backdrop");
    if (backdrop) {
      backdrop.onclick = () => {
        closeExchangeFullscreen();
        renderMonitorGrid(lastMonitorRows);
      };
    }
    const fs = document.getElementById("exchange-fullscreen");
    if (fs && !expandedExchangeId) {
      fs.classList.add("hidden");
      fs.setAttribute("aria-hidden", "true");
    }
  }

  function initTpslModal() {
    const backdrop = document.getElementById("tpsl-modal-backdrop");
    const cancel = document.getElementById("tpsl-cancel");
    const submit = document.getElementById("tpsl-submit");
    if (backdrop) backdrop.onclick = closeTpslModal;
    if (cancel) cancel.onclick = closeTpslModal;
    if (submit) submit.onclick = () => submitTpslModal();
    document.addEventListener("keydown", (ev) => {
      if (ev.key === "Escape") {
        closeTpslModal();
        const shell = document.getElementById("instance-frame-shell");
        if (shell && !shell.classList.contains("hidden")) {
          closeInstanceFrame();
          return;
        }
        if (expandedExchangeId) {
          closeExchangeFullscreen();
          renderMonitorGrid(lastMonitorRows);
        }
      }
    });
  }

  async function cancelOneOrder(exchangeId, symbol, orderId, channel) {
    if (!confirm(`撤销委托 ${symbol} #${orderId}？`)) return;
    try {
      const r = await apiFetch("/api/orders/" + encodeURIComponent(exchangeId) + "/cancel", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ symbol, order_id: orderId, channel: channel || "regular" }),
      });
      const j = await r.json();
      const pl = j.payload || {};
      const ok = j.ok && pl.ok !== false;
      showToast(ok ? "已撤单" : pl.error || JSON.stringify(j), !ok);
      refreshMonitorBoardNow();
    } catch (e) {
      showToast(String(e), true);
    }
  }

  async function cancelSymbolOrders(exchangeId, symbol, scope) {
    const label = scope === "conditional" ? "全部条件单" : "全部委托";
    if (!confirm(`确认撤销 ${symbol} 的${label}？`)) return;
    try {
      const r = await apiFetch(
        "/api/orders/" + encodeURIComponent(exchangeId) + "/cancel-symbol",
        {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ symbol, scope }),
        }
      );
      const j = await r.json();
      const pl = j.payload || {};
      const ok = j.ok && pl.ok !== false;
      const n = pl.cancelled_count != null ? pl.cancelled_count : "?";
      showToast(ok ? `已撤销 ${n} 笔` : pl.error || JSON.stringify(j), !ok);
      refreshMonitorBoardNow();
    } catch (e) {
      showToast(String(e), true);
    }
  }

  function renderMonitorTile(row) {
    const ag = row.agent || {};
    const pos = Array.isArray(ag.positions) ? ag.positions : [];
    const alert = analyzeExchangeAlert(row);
    const upnl = ag.total_unrealized_pnl;
    const openCount = pos.filter(positionHasContracts).length;
    const dotCls =
      alert.level === "error" ? "bad" : alert.level === "warn" ? "warn" : "ok";
    const tileCls =
      alert.level === "error"
        ? "hub-tile-error"
        : alert.level === "warn"
          ? "hub-tile-warn"
          : "hub-tile-ok";
    const ts = (lastMonitorBoardUpdatedAt || "").replace("T", " ");
    const tsShort = ts ? ts.slice(-8) : "—";
    const posLine =
      openCount > 0 ? `${openCount}仓 · ${alert.summary}` : alert.summary;
    return `<div class="card hub-tile ${tileCls}" data-ex-id="${esc(row.id)}">
      <div class="hub-tile-body card-expand-zone" title="点击进入全屏详情">
        <div class="hub-tile-top">
          <span class="status-dot ${dotCls}" aria-hidden="true"></span>
          <span class="hub-tile-name">${esc(row.name)}</span>
        </div>
        <div class="hub-tile-pnl ${pnlCls(upnl)}">${fmt(upnl, 2)} <small>U</small></div>
        <div class="hub-tile-meta">${esc(posLine)}</div>
        <div class="hub-tile-foot">UPD ${esc(tsShort)}</div>
      </div>
    </div>`;
  }

  function renderMonitorCard(row) {
    const ag = row.agent || {};
    const pos = Array.isArray(ag.positions) ? ag.positions : [];
    const hm = row.hub_monitor || {};
    const flaskOk = row.flask_ok !== false && hm.ok !== false;
    const keys = flaskOk ? hm.keys || [] : [];
    const orders = flaskOk ? hm.orders || [] : [];
    const trends = flaskOk ? hm.trends || [] : [];
    const rolls = flaskOk ? hm.rolls || [] : [];
    const kmap = {};
    (row.key_prices || []).forEach((k) => {
      kmap[k.id] = k;
    });
    let inner = "";
    const agOk = ag.ok !== false;
    const agErr = ag.error || row.error || "";
    if (!row.http_ok) {
      inner = `<div class="err">${esc(row.error || "子代理不可用")}</div>`;
    } else if (!agOk) {
      inner = `<div class="err">${esc(agErr || "子代理返回失败")}</div>`;
      inner += `<div class="empty-hint">请检查 PM2 子代理与 <code>${esc(row.agent_url || "")}/status</code></div>`;
    } else {
      inner = renderGridBody(row, ag, pos, hm, flaskOk, keys, orders, trends, rolls, kmap);
    }
    const online = row.http_ok && agOk;
    const cardCls = online ? "card-online" : "card-offline";
    const dotCls = online ? "ok" : "bad";
    const flaskOpen = row.flask_url_browser || row.flask_url;
    const openFlask = flaskOpen
      ? `<a class="btn-link btn-open-instance" href="#" data-ex-id="${esc(row.id)}" data-next="/">实例</a>`
      : "";
    const openReview = flaskOpen
      ? `<a class="btn-link btn-open-instance" href="#" data-ex-id="${esc(row.id)}" data-next="/records">复盘</a>`
      : "";
    return `<div class="card ${cardCls}" data-ex-id="${esc(row.id)}">
      <div class="card-head card-expand-zone" title="点击放大全屏">
        <div>
          <div class="card-title-row">
            <span class="status-dot ${dotCls}" title="${online ? "在线" : "离线"}"></span>
            <div class="card-title">${esc(row.name)}</div>
          </div>
          <div class="card-sub">${esc(flaskOpen || "")}</div>
        </div>
        <div class="card-actions">
          ${openFlask}
          ${openReview}
          <button type="button" class="danger btn-close-ex" data-id="${esc(row.id)}">全平</button>
        </div>
      </div>
      <div class="card-body">${inner}</div>
    </div>`;
  }

  async function closeOnePosition(exchangeId, symbol, side) {
    const label = `${symbol} · ${side}`;
    if (!confirm(`确认对该账户市价平仓：${label}？`)) return;
    try {
      const r = await apiFetch(
        "/api/close/" + encodeURIComponent(exchangeId) + "/position",
        {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ symbol, side }),
        }
      );
      const j = await r.json();
      const pl = j.payload || {};
      const ok = j.ok && pl.ok !== false;
      const msg =
        (ok && pl.closed
          ? `已平仓 ${pl.closed.symbol} ${pl.closed.side} · 张数 ${pl.closed.amount}`
          : pl.error) || JSON.stringify(j, null, 2);
      showToast(msg, !ok);
      refreshMonitorBoardNow();
    } catch (e) {
      showToast(String(e), true);
    }
  }

  async function closeOne(id) {
    if (!confirm("确认对该账户市价全平？")) return;
    try {
      const r = await apiFetch("/api/close/" + encodeURIComponent(id), { method: "POST" });
      const j = await r.json();
      showToast(JSON.stringify(j, null, 2), !r.ok);
      refreshMonitorBoardNow();
    } catch (e) {
      showToast(String(e), true);
    }
  }

  async function closeAll() {
    const n = enabledAccounts().length;
    if (!confirm(`对 ${n} 个已启用账户执行紧急全平？`)) return;
    try {
      const r = await apiFetch("/api/close-all", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ exclude_ids: [] }),
      });
      const j = await r.json();
      showToast(JSON.stringify(j, null, 2), !r.ok);
      refreshMonitorBoardNow();
    } catch (e) {
      showToast(String(e), true);
    }
  }

  async function loadSettingsMetaLine() {
    try {
      const r = await apiFetch("/api/settings/meta");
      const m = await r.json();
      const el = document.getElementById("settings-meta-line");
      if (!el) return;
      const parts = [];
      if (m.password_required) parts.push("已启用用户名+密码登录");
      else parts.push("未设 HUB_PASSWORD（反代公网暴露时建议设置 HUB_USERNAME + HUB_PASSWORD）");
      if (m.hub_bridge_token_set) parts.push("中控已配置 HUB_BRIDGE_TOKEN");
      else parts.push("中控未设 HUB_BRIDGE_TOKEN（实例需 APP_AUTH_DISABLED 或同令牌）");
      if (m.public_origin) parts.push("浏览器外链基址: " + m.public_origin);
      else parts.push("未设 HUB_PUBLIC_ORIGIN（复盘链接仅本机可开）");
      if ((m.env_disabled_ids || []).length) {
        parts.push("环境强制关闭 id: " + m.env_disabled_ids.join(", ") + "（改 .env 后须重启 hub）");
      } else {
        parts.push("HUB_DISABLED_IDS 未强制关闭任何账户");
      }
      el.textContent = parts.join(" · ");
    } catch (_) {}
  }

  function renderSettingsList(data) {
    const list = document.getElementById("settings-list");
    if (!list) return;
    list.innerHTML = (data.exchanges || [])
      .map((ex, idx) => renderSettingsCard(ex, idx))
      .join("");
    list.querySelectorAll(".btn-del-ex").forEach((btn) => {
      btn.onclick = () => {
        const i = Number(btn.dataset.idx);
        data.exchanges.splice(i, 1);
        settingsCache = data;
        renderSettingsList(data);
      };
    });
  }

  function loadSettingsUI() {
    loadSettingsMetaLine();
    loadSettings().then((data) => {
      renderSettingsList(data);
    });
  }

  function renderSettingsCard(ex, idx) {
    const caps = ex.capabilities || [];
    const envOff = ex.env_disabled
      ? '<span class="badge">环境变量强制关</span>'
      : "";
    return `<div class="settings-card" data-idx="${idx}" data-key="${esc(ex.key || ex.id || "")}">
      <div class="settings-card-head">
        <label class="chk-label"><input type="checkbox" class="ex-enabled" ${ex.enabled ? "checked" : ""} ${ex.env_disabled ? "disabled" : ""}/> 启用</label>
        ${envOff}
        <input class="ex-name" value="${esc(ex.name || "")}" placeholder="显示名称" />
      </div>
      <div class="settings-grid">
        <div class="field"><label>Flask URL</label><input class="ex-flask" value="${esc(ex.flask_url || "")}" /></div>
        <div class="field"><label>Agent URL</label><input class="ex-agent" value="${esc(ex.agent_url || "")}" /></div>
        <div class="field field-wide"><label>复盘链接（可空）</label><input class="ex-review" value="${esc(ex.review_url || "")}" placeholder="留空则自动生成 /records" /></div>
      </div>
      <div class="cap-chips">
        <label><input type="checkbox" class="cap-key" ${caps.includes("key") ? "checked" : ""}/> 监控关键位</label>
        <label><input type="checkbox" class="cap-trend" ${caps.includes("trend") ? "checked" : ""}/> 监控趋势计划</label>
      </div>
      <div class="settings-card-foot">
        <div class="field"><label>id</label><input class="ex-id" value="${esc(ex.id || "")}" /></div>
        <button type="button" class="danger btn-del-ex" data-idx="${idx}">删除账户</button>
      </div>
    </div>`;
  }

  function collectSettingsFromUI() {
    const rows = [...document.querySelectorAll("#settings-list .settings-card")];
    return {
      version: 1,
      exchanges: rows.map((card) => {
        const caps = [];
        if (card.querySelector(".cap-key").checked) caps.push("key");
        if (card.querySelector(".cap-trend").checked) caps.push("trend");
        const id = card.querySelector(".ex-id").value.trim();
        const stableKey = (card.dataset.key || id).trim();
        return {
          id: id,
          key: stableKey,
          name: card.querySelector(".ex-name").value.trim(),
          flask_url: card.querySelector(".ex-flask").value.trim(),
          agent_url: card.querySelector(".ex-agent").value.trim(),
          review_url: card.querySelector(".ex-review").value.trim(),
          enabled: card.querySelector(".ex-enabled").checked,
          capabilities: caps,
        };
      }),
    };
  }

  async function saveSettings() {
    const body = collectSettingsFromUI();
    try {
      const r = await apiFetch("/api/settings", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify(body),
      });
      const j = await r.json();
      if (j.ok) {
        showToast("设置已保存（已写入 hub_settings.json）");
        if (j.settings) {
          settingsCache = j.settings;
          renderSettingsList(j.settings);
          loadSettingsMetaLine();
        } else {
          await loadSettingsUI();
        }
      } else showToast("保存失败", true);
    } catch (e) {
      showToast(String(e), true);
    }
  }

  document.getElementById("btn-logout").onclick = async () => {
    try {
      await fetch("/api/auth/logout", { method: "POST" });
    } catch (_) {}
    location.href = "/login";
  };

  document.getElementById("btn-monitor-refresh").onclick = () => refreshMonitorBoardNow();
  document.getElementById("auto-monitor").onchange = () => {
    if (document.getElementById("auto-monitor").checked) {
      connectMonitorBoardStream();
    } else {
      closeMonitorBoardStream();
    }
  };
  document.getElementById("btn-close-all").onclick = closeAll;
  document.getElementById("btn-settings-save").onclick = saveSettings;
  document.getElementById("btn-settings-reload").onclick = loadSettingsUI;
  document.getElementById("btn-settings-add").onclick = () => {
    const data = settingsCache || { exchanges: [] };
    const nid = String(Date.now() % 100000);
    data.exchanges.push({
      id: nid,
      key: "custom_" + nid,
      name: "新交易所",
      flask_url: "http://127.0.0.1:5000",
      agent_url: "http://127.0.0.1:15200",
      review_url: "",
      enabled: false,
      capabilities: ["key"],
    });
    settingsCache = data;
    renderSettingsList(data);
    showToast("已添加一行，请填写 URL 后点「保存设置」");
  };

  initTpslModal();
  initInstanceFrame();
  initFullscreen();
  initMobileLayout();

  function initShellNav() {
    document.querySelectorAll(".top-nav a[href^='/']").forEach((a) => {
      a.addEventListener("click", (ev) => {
        const href = a.getAttribute("href");
        if (!href || ev.ctrlKey || ev.metaKey || ev.shiftKey || ev.altKey) return;
        ev.preventDefault();
        const path = href.split("?")[0];
        if (path === window.location.pathname) {
          setActiveNav();
          return;
        }
        history.pushState({}, "", href);
        setActiveNav();
      });
    });
    window.addEventListener("popstate", setActiveNav);
  }

  initAuth().then((ok) => {
    if (!ok) return;
    initShellNav();
    setActiveNav();
    if (currentPage() === "settings") {
      loadSettings().catch(() => {});
    }
  });
})();