diff --git a/files/server/system_metrics.js b/files/server/system_metrics.js
index c27ba0e..5ade6da 100644
--- a/files/server/system_metrics.js
+++ b/files/server/system_metrics.js
@@ -1,14 +1,9 @@
 /* ==============================================================
    system_metrics.js
-   ==============================================================
-   Updated to use the unique `short_id` (the system’s key) rather
-   than the hostname.  Hostnames are still displayed to the user
-   but every internal mapping and URL uses the short_id so duplicate
-   hostnames no longer collide.
    ============================================================== */
 (() => {
   /* ==========================================================
-     Socket.IO setup – unchanged
+     Socket.IO setup
      ========================================================== */
   const socket = io({
     transports: ['websocket', 'polling'],
@@ -22,7 +17,7 @@
   });
 
   /* ==========================================================
-     Color constants – unchanged
+     Color constants
      ========================================================== */
   const GREEN  = [ 39, 174,  96];  // #27ae60
   const YELLOW = [243, 156,  18];  // #f39c12
@@ -65,21 +60,21 @@
     if (el) el.textContent = txt;
   }
 
-  /* ------------------------------------------------------------------
-     Get the *short_id* from the query string
-     ------------------------------------------------------------------ */
+  /* ==========================================================
+     Get the short_id from the query string
+     ========================================================== */
   function getSelectedId() {
     return new URLSearchParams(window.location.search).get('host') || '';
   }
 
   /* ==========================================================
-     Sidebar building – uses short_id for status key
+     Sidebar building - uses short_id for status key
      ========================================================== */
   function buildList(systemList) {
     const ul = document.getElementById('endpointList');
     const current = Array.from(ul.children).map(li => li.dataset.id);
     const newIds   = systemList.map(s => s.short_id);
-    if (arraysEqual(current, newIds)) return; // nothing changed
+    if (arraysEqual(current, newIds)) return;
 
     const selected = getSelectedId().toLowerCase();
     ul.innerHTML = ''; // reset list
@@ -87,12 +82,12 @@
     systemList.forEach(item => {
       const li   = document.createElement('li');
 
-      // status dot – keyed by short_id
+      // status dot - keyed by short_id
       const status = document.createElement('span');
       status.className = 'host-status';
       status.dataset.id = item.short_id;
 
-      // link – display hostname, encode short_id in URL
+      // link - display hostname, encode short_id in URL
       const a = document.createElement('a');
       a.href = '?host=' + encodeURIComponent(item.short_id);
       a.textContent = item.hostname;
@@ -105,7 +100,7 @@
   }
 
   /* ==========================================================
-     Update status colours every second
+     Update status colors every second
      ========================================================== */
   function updateStatusColors() {
     const nowSec = Date.now() / 1000;
@@ -122,7 +117,7 @@
   setInterval(updateStatusColors, 1000);
 
   /* ==========================================================
-     Utility helpers (unchanged)
+     Utility helpers
      ========================================================== */
   function arraysEqual(a, b) {
     if (a.length !== b.length) return false;
@@ -226,17 +221,17 @@
       return;
     }
 
-    // 1) Build the list first (so <span> elements exist)
+    // Build the list first (so <span> elements exist)
     buildList(payload);
 
-    // 2) Store the timestamp for every short_id
+    // Store the timestamp for every short_id
     payload.forEach(hostObj => {
       if (hostObj.short_id && hostObj.data_timestamp) {
         hostTimestamps[hostObj.short_id] = hostObj.data_timestamp; // seconds
       }
     });
 
-    // 3) Immediately update colours for the current view
+    // Immediately update colors for the current view
     updateStatusColors();
 
     // Metric table for selected host
@@ -249,7 +244,7 @@
   }
 
   /* ==========================================================
-     Socket event wiring – unchanged
+     Socket event wiring
      ========================================================== */
   socket.on('client_summary', handleSummary);
   socket.on('connect', () => {
@@ -265,7 +260,7 @@
   });
 
   /* ==========================================================
-     Request logic – unchanged
+     Request logic
      ========================================================== */
   function requestSummary() {
     if (!socket.connected) return;          // guard against stale emits
@@ -273,7 +268,7 @@
   }
 
   /* ==========================================================
-     Recursive polling – unchanged
+     Recursive polling
      ========================================================== */
   let pollTimer = null;
   function pollLoop() {
@@ -286,7 +281,7 @@
   });
 
   /* ==========================================================
-     Watchdog – force reconnect if no data for 15 s
+     Watchdog - force reconnect if no data for 15 s
      ========================================================== */
   function watchdog() {
     if (Date.now() - lastUpdate > 15000 && socket.connected) {