Isolate CTP in worker process and improve strategy roll UX.

Split vn.py into qihuo-ctp worker with IPC client bridge, keep CTP connected during breaks with cached account fallback, speed up strategy page loads, and allow off-session breakout roll submissions.

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

static/js/trade.js

@@ -34,6 +34,8 @@
     var ctpConnecting = false;
     var ctpAutoConnectEnabled = true;
     var positionsRendered = false;
+    var posFastPollTimer = null;
+    var posFastPollCount = 0;
     var lastPosRowCount = 0;
     var selectedMaxLots = null;
     var recommendMaxByProduct = {};
@@ -248,6 +250,24 @@
         });
     }
 
+    function stopPosFastPoll() {
+        if (posFastPollTimer) {
+            clearInterval(posFastPollTimer);
+            posFastPollTimer = null;
+        }
+        posFastPollCount = 0;
+    }
+
+    function startPosFastPoll() {
+        if (posFastPollTimer) return;
+        posFastPollCount = 0;
+        posFastPollTimer = setInterval(function () {
+            pollPositions();
+            posFastPollCount += 1;
+            if (posFastPollCount >= 90) stopPosFastPoll();
+        }, 1000);
+    }
+
     function applyPositionsData(data) {
         if (!data) return;
         var cap = document.getElementById('cap-display');
@@ -312,6 +332,7 @@
             if (!connected) {
                 if (connecting) {
                     list.innerHTML = '<div class="empty-hint">CTP 连接中，请稍候…</div>';
+                    startPosFastPoll();
                     return;
                 }
                 if (cooldownSec > 0 || (data.ctp_status && data.ctp_status.last_error)) {
@@ -325,8 +346,8 @@
                     list.innerHTML = '<div class="empty-hint text-muted">' + offHint + '</div>';
                     return;
                 }
-                list.innerHTML = '<div class="empty-hint">CTP 未连接，正在尝试自动重连…</div>';
-                if (ctpAutoConnectEnabled) tryAutoCtpReconnect();
+                list.innerHTML = '<div class="empty-hint">CTP 未连接，后台自动连接中…</div>';
+                if (ctpAutoConnectEnabled) refreshCtpStatusPassive();
                 return;
             }
             var syncing = data.sync_state === 'syncing';
@@ -339,6 +360,7 @@
                     syncBadge.textContent = data.sync_label || '持仓同步中…';
                     syncBadge.className = 'sync-badge text-accent';
                 }
+                startPosFastPoll();
                 return;
             }
             list.innerHTML = '<div class="empty-hint">暂无持仓。</div>';
@@ -347,9 +369,7 @@
             return;
         }
         lastPosRowCount = rows.length;
-        if (!connected && ctpAutoConnectEnabled) {
-            tryAutoCtpReconnect();
-        }
+        stopPosFastPoll();
         list.innerHTML = rows.map(buildPosCard).join('');
         syncPositionListScroll(rows.length);
         bindPendingDismiss(list);
@@ -610,8 +630,9 @@
                     }
                     if (st.connecting && Date.now() < deadline) {
                         syncCtpBadgeFromStatus(st);
+                        pollPositions();
                         return new Promise(function (resolve) {
-                            setTimeout(function () { resolve(tick()); }, 2000);
+                            setTimeout(function () { resolve(tick()); }, 800);
                         });
                     }
                     syncCtpBadgeFromStatus(st);
@@ -795,18 +816,31 @@
         });
     }
 
-    function tryAutoCtpReconnect() {
-        if (!ctpAutoConnectEnabled) return;
-        if (ctpReconnecting || ctpConnectInflight) return;
+    /** 只读 CTP 状态；连接由 qihuo-ctp 后台 worker 负责，前端不发起 connect。 */
+    function refreshCtpStatusPassive() {
+        if (ctpConnected || ctpConnecting) return;
         var now = Date.now();
-        if (now - lastCtpReconnectAt < 60000) return;
-        if (lastCtpLoginBanAt && now - lastCtpLoginBanAt < 2700000) return;
-        if (lastCtpUnreachableAt && now - lastCtpUnreachableAt < 300000) return;
+        if (now - lastCtpReconnectAt < 8000) return;
         lastCtpReconnectAt = now;
-        ctpReconnecting = true;
-        requestCtpConnect(false).finally(function () {
-            ctpReconnecting = false;
-        });
+        fetch('/api/ctp/status')
+            .then(function (r) { return r.json(); })
+            .then(function (d) {
+                var st = d.status || {};
+                syncCtpBadgeFromStatus(st);
+                if (st.connected) {
+                    showCtpError('');
+                    pollPositions();
+                    startPosFastPoll();
+                } else if (st.connecting) {
+                    updateCtpBadge(false, true);
+                    startPosFastPoll();
+                } else if (st.last_error) {
+                    showCtpError(st.last_error);
+                } else if (st.disabled_hint) {
+                    showCtpError(st.disabled_hint);
+                }
+            })
+            .catch(function () {});
     }
 
     function showOrderMsg(text, ok) {
@@ -1911,12 +1945,22 @@
                 } else if (st.last_error) {
                     showCtpError(st.last_error);
                 }
-                if (st.connected) pollPositions();
+                if (st.connected) {
+                    pollPositions();
+                    startPosFastPoll();
+                } else if (st.connecting) {
+                    startPosFastPoll();
+                    waitForCtpConnected(90000);
+                } else if (ctpAutoConnectEnabled && !(st.login_cooldown_sec > 0)) {
+                    refreshCtpStatusPassive();
+                    startPosFastPoll();
+                }
             })
             .catch(function () {});
     }
 
     function cleanupTradePage() {
+        stopPosFastPoll();
         if (sessionClockTickTimer) {
             clearInterval(sessionClockTickTimer);
             sessionClockTickTimer = null;