feat: 完成 issue #155 告警确认页补充确认超时自动升级（ackTimeoutS 同源配置）

web/admin/admin.js

@@ -244,15 +244,18 @@ function seedAlerts() {
   return [
     { id: "ALM-2001", severity: "P0", point: "CLF-01.TEMP",
       message: "氯化炉温度骤升越上限（920℃ > 900℃）",
-      time: new Date(now - 12 * 60000).toLocaleString("zh-CN"), status: "pending",
+      time: new Date(now - 12 * 60000).toLocaleString("zh-CN"), ts: now - 12 * 60000,
+      status: "pending",
       sop: "1) 现场确认热电偶；2) 降氯气进料 10%；3) 通知值班长；4) 必要时切旁路。" },
     { id: "ALM-2002", severity: "P1", point: "RF-01.VAC",
       message: "还原炉真空度波动超阈值",
-      time: new Date(now - 45 * 60000).toLocaleString("zh-CN"), status: "pending",
+      time: new Date(now - 45 * 60000).toLocaleString("zh-CN"), ts: now - 45 * 60000,
+      status: "pending",
       sop: "1) 检查真空泵组；2) 核查泄漏点；3) 加强监控 30 分钟。" },
     { id: "ALM-2003", severity: "P2", point: "ST-01.STEAM",
       message: "蒸汽流量低于经验区间",
-      time: new Date(now - 90 * 60000).toLocaleString("zh-CN"), status: "acked",
+      time: new Date(now - 90 * 60000).toLocaleString("zh-CN"), ts: now - 90 * 60000,
+      status: "acked",
       sop: "记录趋势，纳入班报跟踪。" }
   ];
 }
@@ -261,7 +264,29 @@ function getAlerts() {
   if (!a) { a = seedAlerts(); save(ALERTS_KEY, a); }
   return a;
 }
+/* issue #155：确认超时自动升级（alarm_panel.ti.yaml ackTimeoutS=300，
+ * 对齐 alarm_config.py 的 ack_timeout_s 语义：待处理超过阈值 severity 升一级，
+ * 每次渲染前检查一次，升级落审计）。 */
+var SEV_UP = { P2: "P1", P1: "P0" };
+var ackTimeoutS = 300; // alarm plan 加载后被 severityColors 同源配置覆盖
+function escalateOverdueAlerts() {
+  var alerts = getAlerts();
+  var changed = false;
+  alerts.forEach(function (a) {
+    if (a.status !== "pending" || !a.ts || !SEV_UP[a.severity]) return;
+    if (Date.now() - a.ts > ackTimeoutS * 1000 && !a.escalated) {
+      var from = a.severity;
+      a.severity = SEV_UP[a.severity];
+      a.escalated = true;
+      changed = true;
+      audit("update", "alert", a.id + " 超时未确认（>" + ackTimeoutS + "s），severity "
+        + from + " → " + a.severity);
+    }
+  });
+  if (changed) save(ALERTS_KEY, alerts);
+}
 function renderAlerts() {
+  escalateOverdueAlerts();
   var filter = document.getElementById("alert-filter").value;
   var box = document.getElementById("alert-list");
   box.innerHTML = "";
@@ -382,11 +407,15 @@ function renderAudit() {
       download("audit-export-" + Date.now() + ".json",
         JSON.stringify(typeof UserStore !== "undefined" ? UserStore.auditLog() : [], null, 2));
     };
-    // severity 配色资产（与驾驶舱同源；取不到用内置兜底）
+    // severity 配色 + ackTimeoutS 资产（与驾驶舱同源；取不到用内置兜底）
     fetch("../cockpit/plans/alarm_panel.ti.json").then(function (r) {
       return r.ok ? r.json() : null;
     }).then(function (p) {
-      if (p && p.severityStyles) { severityStyles = p.severityStyles; renderAlerts(); }
+      if (p) {
+        if (p.severityStyles) severityStyles = p.severityStyles;
+        if (p.ackTimeoutS) ackTimeoutS = p.ackTimeoutS; // #155 超时升级阈值同源
+        renderAlerts();
+      }
     }).catch(function () {});
     renderModels(); loadKbFromCitations(); renderAlerts(); renderAudit();
   }