Feature/identify inactive assignment groups

Server-Side Components/Background Scripts/Get Inactive Assignment Groups/README.md

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+# ServiceNow Background Script – Identify Inactive Assignment Groups
+
+## Overview
+This background script identifies **assignment groups that have no active members**.  
+Such groups can cause issues with **incident routing**, **task assignment**, or **notification delivery**, since tickets assigned to these groups may never reach an active user.

Server-Side Components/Background Scripts/Get Inactive Assignment Groups/get_inactive_assignment_groups.js

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+var activeGroups = {};
+var member = new GlideAggregate('sys_user_grmember');
+member.addQuery('user.active', true);
+member.groupBy('group');
+member.query();
+while (member.next()) {
+    activeGroups[member.group.toString()] = true;
+}
+
+var inactiveCount = 0;
+var grp = new GlideRecord('sys_user_group');
+grp.addQuery('active', true); // optional filter
+grp.query();
+while (grp.next()) {
+    if (!activeGroups[grp.sys_id.toString()]) {
+        gs.info('Inactive group (no active members): ' + grp.name);
+        inactiveCount++;
+    }
+}
+
+gs.info('Total inactive groups found: ' + inactiveCount);