Configurar Top-Rack como ajuste global

server.js

@@ -49,6 +49,7 @@ async function readConfig() {
   parsed.temperatureThresholdsC = normalizeTemperatureThresholds(parsed.temperatureThresholdsC);
   parsed.metricThresholdsPercent = normalizeMetricThresholds(parsed.metricThresholdsPercent);
   parsed.devices = Array.isArray(parsed.devices) ? parsed.devices.map(normalizeDeviceConfig) : [];
+  normalizeRackTemperatureConfig(parsed);
   return parsed;
 }
 
@@ -65,6 +66,7 @@ async function writeConfig(nextConfig) {
     metricThresholdsPercent: normalizeMetricThresholds(nextConfig.metricThresholdsPercent),
     devices: Array.isArray(nextConfig.devices) ? nextConfig.devices.map(normalizeDeviceConfig) : []
   };
+  normalizeRackTemperatureConfig(normalized);
   await fs.mkdir(path.dirname(CONFIG_PATH), { recursive: true });
   await fs.writeFile(CONFIG_PATH, JSON.stringify(normalized, null, 2) + "\n", "utf8");
   config = normalized;
@@ -80,6 +82,19 @@ function normalizeDeviceConfig(device = {}) {
   };
 }
 
+function normalizeRackTemperatureConfig(nextConfig) {
+  nextConfig.rackTemperatureSourceDeviceId = String(nextConfig.rackTemperatureSourceDeviceId || "");
+  nextConfig.rackTemperatureFile = String(nextConfig.rackTemperatureFile || "");
+
+  if (!nextConfig.rackTemperatureSourceDeviceId || !nextConfig.rackTemperatureFile) {
+    const legacyDevice = nextConfig.devices.find((device) => device.rackTemperatureFile);
+    if (legacyDevice) {
+      nextConfig.rackTemperatureSourceDeviceId = legacyDevice.id || "";
+      nextConfig.rackTemperatureFile = legacyDevice.rackTemperatureFile || "";
+    }
+  }
+}
+
 function classifyTemp(tempC) {
   const thresholds = config.temperatureThresholdsC || {};
   if (tempC >= (thresholds.critical || 80)) return "critical";
@@ -130,6 +145,7 @@ function mockMetrics(device) {
   const temp = seededNumber(`${device.id}:temp`, baseTemp - 4, baseTemp + 18);
   const dockerRole = /docker|gitea|nginx/i.test(device.role || "");
   const haRole = /home assistant/i.test(device.role || "");
+  const rackTemperatureFile = rackTemperatureFileForDevice(device);
 
   return {
     cpuTempC: Number(temp.toFixed(1)),
@@ -166,13 +182,13 @@ function mockMetrics(device) {
       rxBytesPerSecond: Math.round(seededNumber(`${device.id}:rx`, 1200, 95000)),
       txBytesPerSecond: Math.round(seededNumber(`${device.id}:tx`, 700, 55000))
     },
-    rackTemperature: device.rackTemperatureFile
+    rackTemperature: rackTemperatureFile
       ? {
           temperatureC: Number(seededNumber(`${device.id}:rack-temp`, 25, 37).toFixed(1)),
           sensor: "rack-top",
           updatedAt: new Date().toISOString(),
           ageSeconds: 0,
-          sourceFile: device.rackTemperatureFile
+          sourceFile: rackTemperatureFile
         }
       : null
   };
@@ -340,6 +356,13 @@ function shellQuote(value) {
   return `'${String(value || "").replace(/'/g, `'\\''`)}'`;
 }
 
+function rackTemperatureFileForDevice(device) {
+  const sourceId = config.rackTemperatureSourceDeviceId || "";
+  const sourceMatches = sourceId && [device.id, device.host, device.name].includes(sourceId);
+  if (sourceMatches) return config.rackTemperatureFile || "";
+  return device.rackTemperatureFile || "";
+}
+
 function networkRates(device, values) {
   const sampleKey = device.id || `${device.host}:${device.port || 22}`;
   const now = Date.now();
@@ -470,7 +493,8 @@ async function sshMetrics(device) {
     ];
   }
 
-  const remoteScript = `RACK_TEMPERATURE_FILE=${shellQuote(device.rackTemperatureFile || "")}\n${REMOTE_METRICS_SCRIPT}`;
+  const rackTemperatureFile = rackTemperatureFileForDevice(device);
+  const remoteScript = `RACK_TEMPERATURE_FILE=${shellQuote(rackTemperatureFile)}\n${REMOTE_METRICS_SCRIPT}`;
   const { stdout } = await runCommandWithInput(command, args, remoteScript, timeoutMs);
   const values = parseKeyValueOutput(stdout);
   const temp = toNumber(values.cpuTempC, 0);
@@ -511,7 +535,7 @@ async function sshMetrics(device) {
           sensor: values.rackTemperatureSensor || "",
           updatedAt: values.rackTemperatureUpdatedAt || "",
           ageSeconds: toNumber(values.rackTemperatureAgeSeconds, null),
-          sourceFile: device.rackTemperatureFile || ""
+          sourceFile: rackTemperatureFile
         }
       : null
   };