perf: default chat model

Author: feng626

backend/open_webui/jms/data/replay/7ced505e-9a70-44f0-985d-2ed149397265.cast

@@ -0,0 +1,3 @@
+{"version": 2, "width": 80, "height": 40, "timestamp": 1763548901, "title": null, "env": {"shell": "/bin/bash", "term": "xterm"}}
+[0.000969, "o", "[2025-11-19 18:41:41]#: \u518d\u89c1 \r\n"]
+[6.6e-05, "o", "[2025-11-19 18:41:43]#: \u518d\u89c1\uff01\u5e0c\u671b\u4e0b\u6b21\u518d\u548c\u4f60\u4ea4\u6d41\uff01\u5982\u679c\u6709\u95ee\u9898\u6216\u9700\u8981\u5e2e\u52a9\uff0c\u968f\u65f6\u53ef\u4ee5\u6765\u627e\u6211\u3002\u795d\u4f60\u4e00\u5207\u987a\u5229\uff01 \r\n"]

src/lib/apis/index.ts

@@ -1,9 +1,8 @@
-import { WEBUI_API_BASE_URL, WEBUI_BASE_URL } from '$lib/constants';
+import { WEBUI_BASE_URL } from '$lib/constants';
 import { convertOpenApiToToolPayload } from '$lib/utils';
 import { getOpenAIModelsDirect } from './openai';
 
 import { parse } from 'yaml';
-import { toast } from 'svelte-sonner';
 import { apiFetch } from '$lib/net/apiFetch';
 
 export const getModels = async (

src/lib/components/chat/Chat.svelte

@@ -99,6 +99,8 @@
 
 	export let chatIdProp = '';
 
+	const SELECTED_MODELS_STORAGE_KEY = 'kael:selected-models';
+
 	let loading = true;
 
 	const eventTarget = new EventTarget();
@@ -238,11 +240,31 @@
 		console.log('saveSessionSelectedModels', selectedModels, sessionStorage.selectedModels);
 	};
 
+	const saveLocalSelectedModels = () => {
+		const validSelection = selectedModels.filter((modelId) => modelId);
+
+		if (validSelection.length === 0) {
+			localStorage.removeItem(SELECTED_MODELS_STORAGE_KEY);
+			return;
+		}
+
+		const selectionString = JSON.stringify(validSelection);
+		if (localStorage.getItem(SELECTED_MODELS_STORAGE_KEY) === selectionString) {
+			return;
+		}
+
+		localStorage.setItem(SELECTED_MODELS_STORAGE_KEY, selectionString);
+	};
+
 	let oldSelectedModelIds = [''];
 	$: if (JSON.stringify(selectedModelIds) !== JSON.stringify(oldSelectedModelIds)) {
 		onSelectedModelIdsChange();
 	}
 
+	$: if (selectedModels) {
+		saveLocalSelectedModels();
+	}
+
 	const onSelectedModelIdsChange = () => {
 		if (oldSelectedModelIds.filter((id) => id).length > 0) {
 			resetInput();
@@ -954,6 +976,18 @@
 				if (sessionStorage.selectedModels) {
 					selectedModels = JSON.parse(sessionStorage.selectedModels);
 					sessionStorage.removeItem('selectedModels');
+				} else if (localStorage.getItem(SELECTED_MODELS_STORAGE_KEY)) {
+					try {
+						const localSelectedModels = JSON.parse(
+							localStorage.getItem(SELECTED_MODELS_STORAGE_KEY) ?? '[]'
+						);
+
+						if (Array.isArray(localSelectedModels)) {
+							selectedModels = localSelectedModels;
+						}
+					} catch (error) {
+						console.error('Failed to parse stored models from localStorage', error);
+					}
 				} else {
 					if ($settings?.models) {
 						selectedModels = $settings?.models;