Make the DOM update a little smoother, only update changed elements

Author: edwilde

README.md

@@ -6,6 +6,7 @@ Adds live auto-refresh capability to the SilverStripe Queued Jobs admin panel.
 
 - Play/pause toggle button positioned next to the filter button
 - Auto-refresh every 5 seconds without full page reload
+- Minimal DOM updates using intelligent diffing (only changed cells are updated, no false positives from action buttons)
 - Subtle refresh indicator in the button icon (no intrusive popups)
 - Preserves scroll position and focus state
 - Smart pausing (10 seconds) on user interaction

client/dist/queuedjobs-admin.css

@@ -148,3 +148,19 @@
         max-width: none;
     }
 }
+
+/* ==========================================================================
+   Live Refresh Optimizations
+   ========================================================================== */
+
+/* Optimize table for live updates */
+.grid-field__table {
+    will-change: contents;
+}
+
+/* Disable transitions during live refresh updates to prevent flicker */
+.queuedjobs-live-updating,
+.queuedjobs-live-updating * {
+    transition: none !important;
+    animation: none !important;
+}

client/dist/queuedjobs-admin.js

@@ -148,3 +148,19 @@
         max-width: none;
     }
 }
+
+/* ==========================================================================
+   Live Refresh Optimizations
+   ========================================================================== */
+
+/* Optimize table for live updates */
+.grid-field__table {
+    will-change: contents;
+}
+
+/* Disable transitions during live refresh updates to prevent flicker */
+.queuedjobs-live-updating,
+.queuedjobs-live-updating * {
+    transition: none !important;
+    animation: none !important;
+}