Group server and host details into task sections

src/lib/server-sections.ts

@@ -0,0 +1,13 @@
+export type ServerSection = 'live' | 'matches' | 'configuration' | 'diagnostics' | 'history';
+
+/** Legacy URLs still select their original content inside the new section. */
+export function serverSection(tab: string | null): ServerSection {
+    if (tab === 'matches' || tab === 'history' || tab === 'diagnostics') return tab;
+    if (tab === 'config' || tab === 'inventory' || tab === 'configuration') return 'configuration';
+    if (tab === 'logs') return 'diagnostics';
+    return 'live';
+}
+
+export function serverSectionAnchor(tab: string | null): string | null {
+    return tab === 'chat' || tab === 'logs' || tab === 'inventory' ? tab : null;
+}