refac: model selection

src/lib/components/chat/Chat.svelte

@@ -685,10 +685,16 @@
 	//////////////////////////
 
 	const initNewChat = async () => {
-		if ($page.url.searchParams.get('models')) {
-			selectedModels = $page.url.searchParams.get('models')?.split(',');
-		} else if ($page.url.searchParams.get('model')) {
-			const urlModels = $page.url.searchParams.get('model')?.split(',');
+		const availableModels = $models
+			.filter((m) => !(m?.info?.meta?.hidden ?? false))
+			.map((m) => m.id);
+
+		if ($page.url.searchParams.get('models') || $page.url.searchParams.get('model')) {
+			const urlModels = (
+				$page.url.searchParams.get('models') ||
+				$page.url.searchParams.get('model') ||
+				''
+			)?.split(',');
 
 			if (urlModels.length === 1) {
 				const m = $models.find((m) => m.id === urlModels[0]);
@@ -711,6 +717,10 @@
 			} else {
 				selectedModels = urlModels;
 			}
+
+			selectedModels = selectedModels.filter((modelId) =>
+				$models.map((m) => m.id).includes(modelId)
+			);
 		} else {
 			if (sessionStorage.selectedModels) {
 				selectedModels = JSON.parse(sessionStorage.selectedModels);
@@ -723,12 +733,12 @@
 					selectedModels = $config?.default_models.split(',');
 				}
 			}
+			selectedModels = selectedModels.filter((modelId) => availableModels.includes(modelId));
 		}
 
-		selectedModels = selectedModels.filter((modelId) => $models.map((m) => m.id).includes(modelId));
 		if (selectedModels.length === 0 || (selectedModels.length === 1 && selectedModels[0] === '')) {
-			if ($models.length > 0) {
-				selectedModels = [$models[0].id];
+			if (availableModels.length > 0) {
+				selectedModels = [availableModels?.at(0) ?? ''];
 			} else {
 				selectedModels = [''];
 			}