fix(hub): use green/red host status indicator at 85% CPU memory disk threshold

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

manual_trading_hub/static/app.js

@@ -112,8 +112,16 @@
   function hostMetricLevel(percent) {
     const p = Number(percent);
     if (!Number.isFinite(p)) return "ok";
-    if (p >= 90) return "bad";
-    if (p >= 75) return "warn";
+    if (p >= HOST_RESOURCE_ALERT_THRESHOLD) return "bad";
+    return "ok";
+  }
+
+  function hostOverallLevel(cpu, mem, disk) {
+    const vals = [cpu && cpu.percent, mem && mem.percent, disk && disk.percent];
+    for (let i = 0; i < vals.length; i++) {
+      const p = Number(vals[i]);
+      if (Number.isFinite(p) && p >= HOST_RESOURCE_ALERT_THRESHOLD) return "bad";
+    }
     return "ok";
   }
 
@@ -122,9 +130,8 @@
     const p = Math.max(0, Math.min(100, Number(percent) || 0));
     const level = hostMetricLevel(p);
     fillEl.style.width = p + "%";
-    fillEl.classList.remove("warn", "bad");
-    if (level === "warn") fillEl.classList.add("warn");
-    if (level === "bad") fillEl.classList.add("bad");
+    fillEl.classList.remove("warn", "bad", "ok");
+    fillEl.classList.add(level === "bad" ? "bad" : "ok");
   }
 
   function checkHostResourceAlert(cpu, mem) {
@@ -225,14 +232,7 @@
     const disk = data.disk || {};
     const net = data.network || {};
     checkHostResourceAlert(cpu, mem);
-    const levels = [
-      hostMetricLevel(cpu.percent),
-      hostMetricLevel(mem.percent),
-      hostMetricLevel(disk.percent),
-    ];
-    let overall = "ok";
-    if (levels.includes("bad")) overall = "bad";
-    else if (levels.includes("warn")) overall = "warn";
+    const overall = hostOverallLevel(cpu, mem, disk);
     if (dot) dot.className = "host-status-dot " + overall;
     const hostname = data.hostname || "服务器";
     if (name) {