webui: apply webui_settings on first load (#18223)

* webui: apply webui_settings on first load

The webui_settings from /props were not applied on initial load
when default_generation_settings.params was null

Now syncs whenever serverProps is available, regardless of params,
works for both single-model and router modes

* chore: update webui build output

tools/server/webui/src/lib/stores/settings.svelte.ts

@@ -294,15 +294,14 @@ class SettingsStore {
 	 * This sets up the default values from /props endpoint
 	 */
 	syncWithServerDefaults(): void {
-		const serverParams = serverStore.defaultParams;
-		if (!serverParams) {
-			console.warn('No server parameters available for initialization');
+		const propsDefaults = this.getServerDefaults();
+
+		if (Object.keys(propsDefaults).length === 0) {
+			console.warn('No server defaults available for initialization');
 
 			return;
 		}
 
-		const propsDefaults = this.getServerDefaults();
-
 		for (const [key, propsValue] of Object.entries(propsDefaults)) {
 			const currentValue = getConfigValue(this.config, key);
 

tools/server/webui/src/routes/+layout.svelte

@@ -119,7 +119,7 @@
 	$effect(() => {
 		const serverProps = serverStore.props;
 
-		if (serverProps?.default_generation_settings?.params) {
+		if (serverProps) {
 			settingsStore.syncWithServerDefaults();
 		}
 	});