feat: Improve update stability and fix server dependencies

- Refactor backend data fetching to use parallel Promises for nodes - Replace backend setInterval with setTimeout for accurate polling interval - Decouple frontend UI render interval from backend data arrival - Add missing dotenv dependency to server package.json - Update server Express dependency to stable v4
2026-09-22 19:23:31 +00:00 · 2025-04-21 10:26:50 +01:00
parent 2d1a1b6e9b
commit cc20e77fea
5 changed files with 393 additions and 358 deletions
@@ -132,6 +132,7 @@ document.addEventListener('DOMContentLoaded', function() {
  const AVERAGING_WINDOW_SIZE = 5;
  const dashboardHistory = {};
  let filterStatus = 'all'; // New state variable for status filter
+  let initialDataReceived = false; // Flag to control initial rendering

  // --- WebSocket Connection ---
  const socket = io();
@@ -759,14 +760,22 @@ document.addEventListener('DOMContentLoaded', function() {
        vmsData = data.vms || [];
        containersData = data.containers || [];
        metricsData = data.metrics || [];
-        console.log('[socket.on("rawData")] Parsed data');
+        console.log('[socket.on("rawData")] Parsed data and updated stores');

-        // Update UI tables
-        updateNodesTable(nodesData);
-        updateVmsTable(vmsData);
-        updateContainersTable(containersData);
-        refreshDashboardData(); // Process and update the main dashboard
-        console.log('[socket.on("rawData")] Processed data and updated UI');
+        // Set flag after first successful data parse
+        if (!initialDataReceived) {
+          initialDataReceived = true;
+          console.log('[socket.on("rawData")] Initial data received, enabling UI updates.');
+          // Optional: Trigger immediate first render instead of waiting for interval
+          // updateAllUITables(); 
+        }
+
+        // --- REMOVED UI update calls from here ---
+        // updateNodesTable(nodesData);
+        // updateVmsTable(vmsData);
+        // updateContainersTable(containersData);
+        // refreshDashboardData(); 
+        // console.log('[socket.on("rawData")] Processed data and updated UI');

    } catch (e) {
        console.error('Error processing received rawData:', e, jsonData);
@@ -843,6 +852,23 @@ document.addEventListener('DOMContentLoaded', function() {
  updateSortUI('main-table', document.querySelector('#main-table th[data-sort="id"]'));
  // Data is requested on socket 'connect' event

+  // --- Frontend Render Interval ---
+  function updateAllUITables() {
+    // Update UI tables using the currently stored data
+    updateNodesTable(nodesData);
+    updateVmsTable(vmsData);
+    updateContainersTable(containersData);
+    refreshDashboardData(); // Process and update the main dashboard
+  }
+
+  setInterval(() => {
+    if (initialDataReceived) {
+      // console.log('[UI Interval] Updating UI tables...');
+      updateAllUITables();
+    }
+  }, 2000); // Update UI every 2 seconds
+  // --- End Frontend Render Interval ---
+
  // --- Fetch and display version ---
  fetch('/api/version')
      .then(response => response.json())
@@ -6,4 +6,4 @@ PROXMOX_ENABLED=true
 PROXMOX_ALLOW_SELF_SIGNED_CERTS=true
 PORT=7654
 USE_MOCK_DATA=false
-VERBOSE=false 
+VERBOSE=false
@@ -155,9 +155,100 @@ const io = new Server(server, {
 // let connectedClients = 0;
 let initialNodesLogged = false; // Flag to log node count only once

+// Helper function to fetch data for a single node
+async function fetchDataForNode(nodeName) {
+  const nodeData = {
+    vms: [],
+    containers: [],
+    metrics: []
+  };
+
+  try {
+    // Fetch VMs
+    const vmsResponse = await proxmoxApi.get(`/nodes/${nodeName}/qemu`);
+    if (vmsResponse.data.data && Array.isArray(vmsResponse.data.data)) {
+      nodeData.vms = vmsResponse.data.data.map(vm => ({ ...vm, node: nodeName }));
+
+      // Collect metrics for running VMs in parallel
+      const vmMetricPromises = nodeData.vms
+        .filter(vm => vm.status === 'running')
+        .map(async (vm) => {
+          try {
+            const [rrdData, currentData] = await Promise.all([
+              proxmoxApi.get(`/nodes/${nodeName}/qemu/${vm.vmid}/rrddata`, { params: { timeframe: 'hour', cf: 'AVERAGE' } }),
+              proxmoxApi.get(`/nodes/${nodeName}/qemu/${vm.vmid}/status/current`)
+            ]);
+
+            let metricData = {
+              id: vm.vmid, name: vm.name, node: nodeName, type: 'qemu', data: [],
+              current: currentData?.data?.data || null
+            };
+            if (rrdData?.data?.data?.length > 0) metricData.data = rrdData.data.data;
+            return metricData; // Return successful metric data
+          } catch (err) {
+            console.error(`Failed to get metrics for VM ${vm.vmid} on node ${nodeName}: ${err.message}`);
+            return null; // Return null on error for this specific VM
+          }
+        });
+      const vmMetricsResults = await Promise.allSettled(vmMetricPromises);
+      vmMetricsResults.forEach(result => {
+          if (result.status === 'fulfilled' && result.value) {
+              nodeData.metrics.push(result.value);
+          }
+          // Optionally log rejected promises if needed:
+          // else if (result.status === 'rejected') { console.error(...) }
+      });
+    }
+  } catch (err) {
+    console.error(`Error fetching VMs from ${nodeName}: ${err.message}`);
+    // Continue to fetch containers even if VMs fail
+  }
+
+  try {
+    // Fetch containers
+    const ctsResponse = await proxmoxApi.get(`/nodes/${nodeName}/lxc`);
+    if (ctsResponse.data.data && Array.isArray(ctsResponse.data.data)) {
+      nodeData.containers = ctsResponse.data.data.map(ct => ({ ...ct, node: nodeName }));
+
+      // Collect metrics for running containers in parallel
+      const ctMetricPromises = nodeData.containers
+        .filter(ct => ct.status === 'running')
+        .map(async (ct) => {
+          try {
+            const [rrdData, currentData] = await Promise.all([
+               proxmoxApi.get(`/nodes/${nodeName}/lxc/${ct.vmid}/rrddata`, { params: { timeframe: 'hour', cf: 'AVERAGE' } }),
+               proxmoxApi.get(`/nodes/${nodeName}/lxc/${ct.vmid}/status/current`)
+            ]);
+
+            let metricData = {
+              id: ct.vmid, name: ct.name, node: nodeName, type: 'lxc', data: [],
+              current: currentData?.data?.data || null
+            };
+            if (rrdData?.data?.data?.length > 0) metricData.data = rrdData.data.data;
+             return metricData; // Return successful metric data
+          } catch (err) {
+            console.error(`Failed to get metrics for container ${ct.vmid} on node ${nodeName}: ${err.message}`);
+            return null; // Return null on error for this specific container
+          }
+        });
+
+       const ctMetricsResults = await Promise.allSettled(ctMetricPromises);
+        ctMetricsResults.forEach(result => {
+            if (result.status === 'fulfilled' && result.value) {
+                nodeData.metrics.push(result.value);
+            }
+             // Optionally log rejected promises if needed
+        });
+    }
+  } catch (err) {
+    console.error(`Error fetching containers from ${nodeName}: ${err.message}`);
+  }
+
+  return nodeData; // Return collected data for this node
+}
+
 // Helper function to get raw Proxmox data
 async function fetchRawProxmoxData() {
-  // const configuredNodeName = proxmoxConfig.node1.name; // No longer needed for API calls
  const rawData = {
    nodes: [],
    vms: [],
@@ -166,13 +257,13 @@ async function fetchRawProxmoxData() {
  };

  let nodesToQuery = [];
-  let discoveredNodeName = null; // To store the node name discovered via /version
+  let discoveredNodeName = null;

  try {
    // Attempt to fetch cluster nodes
    const nodesResponse = await proxmoxApi.get('/nodes');
    nodesToQuery = nodesResponse.data.data || [];
-    rawData.nodes = nodesToQuery; // Store the nodes list if successful
+    rawData.nodes = nodesToQuery;

    if (nodesToQuery.length === 0) {
      console.warn('Proxmox API returned 0 nodes from /nodes endpoint. Attempting single node discovery.');
@@ -227,97 +318,32 @@ async function fetchRawProxmoxData() {
    }
  }

-  // For each node (either from /nodes or the single discovered node), fetch guests and metrics
-  for (const node of nodesToQuery) {
-    const nodeName = node.node; // Use the node name from the list (discovered or from /nodes)
-    if (!nodeName) {
-        console.error("Node object missing 'node' property:", node);
-        continue; // Skip if node name is missing
-    }
-    try {
-      // Fetch VMs
-      const vmsResponse = await proxmoxApi.get(`/nodes/${nodeName}/qemu`);
-      if (vmsResponse.data.data && Array.isArray(vmsResponse.data.data)) {
-        rawData.vms.push(...vmsResponse.data.data.map(vm => ({
-          ...vm,
-          node: nodeName // Ensure node name is correctly assigned
-        })));
+   // --- Start Parallel Fetching ---
+   const nodeDataPromises = nodesToQuery.map(node => {
+       const nodeName = node.node;
+       if (!nodeName) {
+           console.error("Node object missing 'node' property:", node);
+           return Promise.resolve(null); // Resolve immediately for invalid node objects
+       }
+       return fetchDataForNode(nodeName);
+   });

-        // Collect metrics for running VMs
-        for (const vm of vmsResponse.data.data.filter(vm => vm.status === 'running')) {
-          try {
-            // Get traditional RRD data
-            const rrdData = await proxmoxApi.get(`/nodes/${nodeName}/qemu/${vm.vmid}/rrddata`, {
-              params: { timeframe: 'hour', cf: 'AVERAGE' }
-            });
+   const results = await Promise.allSettled(nodeDataPromises);

-            // Try to get real-time "current" values
-            const currentData = await proxmoxApi.get(`/nodes/${nodeName}/qemu/${vm.vmid}/status/current`);
-
-            let metricData = {
-              id: vm.vmid, name: vm.name, node: nodeName, type: 'qemu', data: [],
-              current: currentData?.data?.data || null
-            };
-            if (rrdData?.data?.data?.length > 0) metricData.data = rrdData.data.data;
-            rawData.metrics.push(metricData);
-
-            if (rrdData?.data?.data?.length > 1 && DEBUG_METRICS) {
-              const newest = rrdData.data.data[rrdData.data.data.length - 1].time;
-              const secondNewest = rrdData.data.data[rrdData.data.data.length - 2].time;
-              console.log(`VM ${vm.name || vm.vmid} metrics update interval: ${newest - secondNewest} seconds`);
-              if (currentData?.data?.data) console.log(`VM ${vm.name || vm.vmid} current metrics: CPU=${currentData.data.data.cpu}, Memory=${currentData.data.data.mem}`, `[RRD last update: ${new Date(newest * 1000).toISOString()}]`);
-            }
-          } catch (err) {
-            console.error(`Failed to get metrics for VM ${vm.vmid} on node ${nodeName}: ${err.message}`);
-          }
-        }
-      }
-    } catch (err) {
-      console.error(`Error fetching VMs from ${nodeName}: ${err.message}`);
-    }
-
-    try {
-      // Fetch containers
-      const ctsResponse = await proxmoxApi.get(`/nodes/${nodeName}/lxc`);
-      if (ctsResponse.data.data && Array.isArray(ctsResponse.data.data)) {
-        rawData.containers.push(...ctsResponse.data.data.map(ct => ({
-          ...ct,
-          node: nodeName // Ensure node name is correctly assigned
-        })));
-
-        // Collect metrics for running containers
-        for (const ct of ctsResponse.data.data.filter(ct => ct.status === 'running')) {
-          try {
-            // Get traditional RRD data
-            const rrdData = await proxmoxApi.get(`/nodes/${nodeName}/lxc/${ct.vmid}/rrddata`, {
-              params: { timeframe: 'hour', cf: 'AVERAGE' }
-            });
-
-            // Try to get real-time "current" values
-            const currentData = await proxmoxApi.get(`/nodes/${nodeName}/lxc/${ct.vmid}/status/current`);
-
-            let metricData = {
-              id: ct.vmid, name: ct.name, node: nodeName, type: 'lxc', data: [],
-              current: currentData?.data?.data || null
-            };
-            if (rrdData?.data?.data?.length > 0) metricData.data = rrdData.data.data;
-            rawData.metrics.push(metricData);
-
-             if (rrdData?.data?.data?.length > 1 && DEBUG_METRICS) {
-              const newest = rrdData.data.data[rrdData.data.data.length - 1].time;
-              const secondNewest = rrdData.data.data[rrdData.data.data.length - 2].time;
-               console.log(`Container ${ct.name || ct.vmid} metrics update interval: ${newest - secondNewest} seconds`);
-               if (currentData?.data?.data) console.log(`Container ${ct.name || ct.vmid} current metrics: CPU=${currentData.data.data.cpu}, Memory=${currentData.data.data.mem}`, `[RRD last update: ${new Date(newest * 1000).toISOString()}]`);
-            }
-          } catch (err) {
-            console.error(`Failed to get metrics for container ${ct.vmid} on node ${nodeName}: ${err.message}`);
-          }
-        }
-      }
-    } catch (err) {
-      console.error(`Error fetching containers from ${nodeName}: ${err.message}`);
-    }
-  } // End loop through nodesToQuery
+   results.forEach((result, index) => {
+       const nodeName = nodesToQuery[index]?.node; // Get corresponding node name
+       if (result.status === 'fulfilled' && result.value) {
+           // Aggregate successful results
+           const nodeData = result.value;
+           rawData.vms.push(...nodeData.vms);
+           rawData.containers.push(...nodeData.containers);
+           rawData.metrics.push(...nodeData.metrics);
+       } else if (result.status === 'rejected') {
+           console.error(`Failed to fetch data for node ${nodeName || 'UNKNOWN'}: ${result.reason}`);
+           // Optionally add placeholder data or mark node as errored in rawData.nodes if needed
+       }
+   });
+   // --- End Parallel Fetching ---

  // console.log(`Collected raw data: ${rawData.nodes.length} nodes, ${rawData.vms.length} VMs, ${rawData.containers.length} containers, ${rawData.metrics.length} metric sets`);
  return rawData;
@@ -359,7 +385,43 @@ io.on('connection', (socket) => {
  });
 });

-// Periodic update interval for all connected clients
+// --- Use recursive setTimeout for reliable interval after async operations ---
+let updateTimeoutId = null; // To potentially clear timeout if needed
+
+async function runUpdateCycle() {
+  // Clear previous timeout ID if somehow it was still set (belt-and-suspenders)
+  if (updateTimeoutId) clearTimeout(updateTimeoutId);
+  updateTimeoutId = null;
+
+  // Only poll if clients are connected
+  if (io.engine.clientsCount > 0) {
+    try {
+      console.log(`[interval] Updating raw data for ${io.engine.clientsCount} client(s)...`);
+      const data = await fetchRawProxmoxData();
+      io.emit('rawData', data);
+    } catch (error) {
+      console.error(`[interval] Error during update: ${error.message}`);
+    }
+  } else {
+    // console.log('[interval] No clients connected, skipping Proxmox API poll.');
+  }
+
+  // Schedule the next update cycle regardless of errors or client count
+  // This ensures polling resumes when clients reconnect
+  scheduleNextUpdate();
+}
+
+function scheduleNextUpdate() {
+  // Schedule the next run after UPDATE_INTERVAL milliseconds
+  updateTimeoutId = setTimeout(runUpdateCycle, UPDATE_INTERVAL);
+}
+
+// Start the first update cycle
+scheduleNextUpdate();
+// --- End recursive setTimeout implementation ---
+
+// Periodic update interval for all connected clients - REMOVED
+/*
 const updateInterval = setInterval(async () => {
  // Only poll if clients are connected
  if (io.engine.clientsCount > 0) {
@@ -375,6 +437,7 @@ const updateInterval = setInterval(async () => {
    // console.log('[interval] No clients connected, skipping Proxmox API poll.');
  }
 }, UPDATE_INTERVAL);
+*/

 // Start the server
 server.listen(PORT, () => {
@@ -10,7 +10,8 @@
      "dependencies": {
        "axios": "^1.6.0",
        "cors": "^2.8.5",
-        "express": "^5.1.0",
+        "dotenv": "^16.3.1",
+        "express": "^4.18.2",
        "socket.io": "^4.7.2"
      },
      "devDependencies": {
@@ -54,6 +55,12 @@
        "node": ">= 0.6"
      }
    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
+      "license": "MIT"
+    },
    "node_modules/asynckit": {
      "version": "0.4.0",
      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -81,23 +88,27 @@
      }
    },
    "node_modules/body-parser": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.2.0.tgz",
-      "integrity": "sha512-02qvAaxv8tp7fBa/mw1ga98OGm+eCbqzJOKoRt70sLmfEEi+jyBYVTDGfCL/k06/4EMk/z01gCe7HoCH/f2LTg==",
+      "version": "1.20.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.3.tgz",
+      "integrity": "sha512-7rAxByjUMqQ3/bHJy7D6OGXvx/MMc4IqBn/X0fcM1QUcAItpZrBEYhWGem+tzXH90c+G01ypMcYJBO9Y30203g==",
      "license": "MIT",
      "dependencies": {
-        "bytes": "^3.1.2",
-        "content-type": "^1.0.5",
-        "debug": "^4.4.0",
-        "http-errors": "^2.0.0",
-        "iconv-lite": "^0.6.3",
-        "on-finished": "^2.4.1",
-        "qs": "^6.14.0",
-        "raw-body": "^3.0.0",
-        "type-is": "^2.0.0"
+        "bytes": "3.1.2",
+        "content-type": "~1.0.5",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "1.2.0",
+        "http-errors": "2.0.0",
+        "iconv-lite": "0.4.24",
+        "on-finished": "2.4.1",
+        "qs": "6.13.0",
+        "raw-body": "2.5.2",
+        "type-is": "~1.6.18",
+        "unpipe": "1.0.0"
      },
      "engines": {
-        "node": ">=18"
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
      }
    },
    "node_modules/bytes": {
@@ -167,9 +178,9 @@
      }
    },
    "node_modules/content-disposition": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.0.0.tgz",
-      "integrity": "sha512-Au9nRL8VNUut/XSzbQA38+M78dzP4D+eqg3gfJHMIHHYa3bg067xj1KxMUWj+VULbiZMowKngFFbKczUrNJ1mg==",
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
      "license": "MIT",
      "dependencies": {
        "safe-buffer": "5.2.1"
@@ -197,13 +208,10 @@
      }
    },
    "node_modules/cookie-signature": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.2.2.tgz",
-      "integrity": "sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=6.6.0"
-      }
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ==",
+      "license": "MIT"
    },
    "node_modules/cors": {
      "version": "2.8.5",
@@ -219,22 +227,20 @@
      }
    },
    "node_modules/debug": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.0.tgz",
-      "integrity": "sha512-6WTZ/IxCY/T6BALoZHaE4ctp9xm+Z5kY/pzYaCHRFeyVhojxlrm+46y68HA6hr0TcwEssoxNiDEUJQjfPZ/RYA==",
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
      "license": "MIT",
      "dependencies": {
-        "ms": "^2.1.3"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "peerDependenciesMeta": {
-        "supports-color": {
-          "optional": true
-        }
+        "ms": "2.0.0"
      }
    },
+    "node_modules/debug/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
+      "license": "MIT"
+    },
    "node_modules/delayed-stream": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -253,6 +259,28 @@
        "node": ">= 0.8"
      }
    },
+    "node_modules/destroy": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
+      "integrity": "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
+      }
+    },
+    "node_modules/dotenv": {
+      "version": "16.5.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.5.0.tgz",
+      "integrity": "sha512-m/C+AwOAr9/W1UOIZUo232ejMNnJAJtYQjUbHoNTBNTJSvqzzDh7vnrei3o3r3m9blf6ZoDkvcw0VmozNRFJxg==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
    "node_modules/dunder-proto": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
@@ -398,102 +426,64 @@
      }
    },
    "node_modules/express": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/express/-/express-5.1.0.tgz",
-      "integrity": "sha512-DT9ck5YIRU+8GYzzU5kT3eHGA5iL+1Zd0EutOmTE9Dtk+Tvuzd23VBU+ec7HPNSTxXYO55gPV/hq4pSBJDjFpA==",
+      "version": "4.21.2",
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-      "license": "MIT",
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-      "license": "MIT",
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+        "media-typer": "0.3.0",
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@@ -1234,6 +1176,15 @@
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+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
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+      "license": "MIT",
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-    "express": "^5.1.0",
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+    "express": "^4.18.2",
    "socket.io": "^4.7.2"
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