Initial

server/utils/osFamily.js

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+export const OS_FAMILIES = ['windows', 'linux', 'other'];
+
+export function normalizeOsFamily(value, fallback = 'other') {
+  const text = String(value || '').trim().toLowerCase();
+  if (!text) return fallback;
+  if (['win', 'windows', 'windows server', 'microsoft windows'].includes(text) || text.includes('windows')) return 'windows';
+  if (['linux', 'unix'].includes(text) || /ubuntu|debian|rhel|red hat|centos|fedora|suse|oracle linux|rocky|alma|amazon linux|arch|kali/.test(text)) return 'linux';
+  return 'other';
+}
+
+export function osFamilyLabel(value) {
+  const normalized = normalizeOsFamily(value);
+  if (normalized === 'windows') return 'Windows';
+  if (normalized === 'linux') return 'Linux';
+  return 'Other';
+}