Use OpenAI-compatible `/v1/models` endpoint by default (#17689)

* refactor: Data fetching via stores

* chore: update webui build output

* refactor: Use OpenAI compat `/v1/models` endpoint by default to list models

* chore: update webui build output

* chore: update webui build output

tools/server/webui/docs/flows/data-flow-simplified-router-mode.md

@@ -15,7 +15,7 @@ sequenceDiagram
     Stores->>DB: load conversations
     Stores->>API: GET /props
     API-->>Stores: {role: "router"}
-    Stores->>API: GET /models
+    Stores->>API: GET /v1/models
     API-->>Stores: models[] with status (loaded/available)
     loop each loaded model
         Stores->>API: GET /props?model=X
@@ -28,7 +28,7 @@ sequenceDiagram
     alt model not loaded
         Stores->>API: POST /models/load
         loop poll status
-            Stores->>API: GET /models
+            Stores->>API: GET /v1/models
             API-->>Stores: check if loaded
         end
         Stores->>API: GET /props?model=X

tools/server/webui/docs/flows/models-flow.md

@@ -56,7 +56,7 @@ sequenceDiagram
     UI->>modelsStore: fetchRouterModels()
     activate modelsStore
     modelsStore->>ModelsSvc: listRouter()
-    ModelsSvc->>API: GET /models
+    ModelsSvc->>API: GET /v1/models
     API-->>ModelsSvc: ApiRouterModelsListResponse
     Note right of API: {data: [{id, status, path, in_cache}]}
     modelsStore->>modelsStore: routerModels = $state(data)
@@ -132,7 +132,7 @@ sequenceDiagram
     loop poll every 500ms (max 60 attempts)
         modelsStore->>modelsStore: fetchRouterModels()
         modelsStore->>ModelsSvc: listRouter()
-        ModelsSvc->>API: GET /models
+        ModelsSvc->>API: GET /v1/models
         API-->>ModelsSvc: models[]
         modelsStore->>modelsStore: getModelStatus(modelId)
         alt status === LOADED
@@ -165,7 +165,7 @@ sequenceDiagram
     modelsStore->>modelsStore: pollForModelStatus(modelId, UNLOADED)
     loop poll until unloaded
         modelsStore->>ModelsSvc: listRouter()
-        ModelsSvc->>API: GET /models
+        ModelsSvc->>API: GET /v1/models
     end
 
     modelsStore->>modelsStore: modelLoadingStates.set(modelId, false)

tools/server/webui/src/lib/components/app/chat/ChatMessages/ChatMessages.svelte

@@ -1,6 +1,5 @@
 <script lang="ts">
 	import { ChatMessage } from '$lib/components/app';
-	import { DatabaseService } from '$lib/services/database';
 	import { chatStore } from '$lib/stores/chat.svelte';
 	import { conversationsStore, activeConversation } from '$lib/stores/conversations.svelte';
 	import { getMessageSiblings } from '$lib/utils';
@@ -19,7 +18,7 @@
 		const conversation = activeConversation();
 
 		if (conversation) {
-			DatabaseService.getConversationMessages(conversation.id).then((messages) => {
+			conversationsStore.getConversationMessages(conversation.id).then((messages) => {
 				allConversationMessages = messages;
 			});
 		} else {

tools/server/webui/src/lib/components/app/chat/ChatSettings/ChatSettingsFields.svelte

@@ -7,7 +7,6 @@
 	import { Textarea } from '$lib/components/ui/textarea';
 	import { SETTING_CONFIG_DEFAULT, SETTING_CONFIG_INFO } from '$lib/constants/settings-config';
 	import { settingsStore } from '$lib/stores/settings.svelte';
-	import { ParameterSyncService } from '$lib/services/parameter-sync';
 	import { ChatSettingsParameterSourceIndicator } from '$lib/components/app';
 	import type { Component } from 'svelte';
 
@@ -22,7 +21,7 @@
 
 	// Helper function to get parameter source info for syncable parameters
 	function getParameterSourceInfo(key: string) {
-		if (!ParameterSyncService.canSyncParameter(key)) {
+		if (!settingsStore.canSyncParameter(key)) {
 			return null;
 		}
 

tools/server/webui/src/lib/components/app/chat/ChatSettings/ChatSettingsImportExportTab.svelte

@@ -2,9 +2,8 @@
 	import { Download, Upload } from '@lucide/svelte';
 	import { Button } from '$lib/components/ui/button';
 	import { DialogConversationSelection } from '$lib/components/app';
-	import { DatabaseService } from '$lib/services/database';
 	import { createMessageCountMap } from '$lib/utils';
-	import { conversationsStore } from '$lib/stores/conversations.svelte';
+	import { conversationsStore, conversations } from '$lib/stores/conversations.svelte';
 
 	let exportedConversations = $state<DatabaseConversation[]>([]);
 	let importedConversations = $state<DatabaseConversation[]>([]);
@@ -21,15 +20,15 @@
 
 	async function handleExportClick() {
 		try {
-			const allConversations = await DatabaseService.getAllConversations();
+			const allConversations = conversations();
 			if (allConversations.length === 0) {
 				alert('No conversations to export');
 				return;
 			}
 
 			const conversationsWithMessages = await Promise.all(
-				allConversations.map(async (conv) => {
-					const messages = await DatabaseService.getConversationMessages(conv.id);
+				allConversations.map(async (conv: DatabaseConversation) => {
+					const messages = await conversationsStore.getConversationMessages(conv.id);
 					return { conv, messages };
 				})
 			);
@@ -47,7 +46,7 @@
 		try {
 			const allData: ExportedConversations = await Promise.all(
 				selectedConversations.map(async (conv) => {
-					const messages = await DatabaseService.getConversationMessages(conv.id);
+					const messages = await conversationsStore.getConversationMessages(conv.id);
 					return { conv: $state.snapshot(conv), messages: $state.snapshot(messages) };
 				})
 			);
@@ -135,9 +134,7 @@
 				.snapshot(fullImportData)
 				.filter((item) => selectedIds.has(item.conv.id));
 
-			await DatabaseService.importConversations(selectedData);
-
-			await conversationsStore.loadConversations();
+			await conversationsStore.importConversationsData(selectedData);
 
 			importedConversations = selectedConversations;
 			showImportSummary = true;

tools/server/webui/src/lib/components/app/dialogs/DialogModelInformation.svelte

@@ -3,8 +3,7 @@
 	import * as Table from '$lib/components/ui/table';
 	import { BadgeModality, CopyToClipboardIcon } from '$lib/components/app';
 	import { serverStore } from '$lib/stores/server.svelte';
-	import { modelsStore } from '$lib/stores/models.svelte';
-	import { ChatService } from '$lib/services/chat';
+	import { modelsStore, modelOptions, modelsLoading } from '$lib/stores/models.svelte';
 	import { formatFileSize, formatParameters, formatNumber } from '$lib/utils';
 
 	interface Props {
@@ -16,38 +15,24 @@
 
 	let serverProps = $derived(serverStore.props);
 	let modelName = $derived(modelsStore.singleModelName);
+	let models = $derived(modelOptions());
+	let isLoadingModels = $derived(modelsLoading());
+
+	// Get the first model for single-model mode display
+	let firstModel = $derived(models[0] ?? null);
 
 	// Get modalities from modelStore using the model ID from the first model
-	// For now it supports only for single-model mode, will be extended with further improvements for multi-model functioanlities
 	let modalities = $derived.by(() => {
-		if (!modelsData?.data?.[0]?.id) return [];
-
-		return modelsStore.getModelModalitiesArray(modelsData.data[0].id);
+		if (!firstModel?.id) return [];
+		return modelsStore.getModelModalitiesArray(firstModel.id);
 	});
 
-	let modelsData = $state<ApiModelListResponse | null>(null);
-	let isLoadingModels = $state(false);
-
-	// Fetch models data when dialog opens
+	// Ensure models are fetched when dialog opens
 	$effect(() => {
-		if (open && !modelsData) {
-			loadModelsData();
+		if (open && models.length === 0) {
+			modelsStore.fetch();
 		}
 	});
-
-	async function loadModelsData() {
-		isLoadingModels = true;
-
-		try {
-			modelsData = await ChatService.getModels();
-		} catch (error) {
-			console.error('Failed to load models data:', error);
-			// Set empty data to prevent infinite loading
-			modelsData = { object: 'list', data: [] };
-		} finally {
-			isLoadingModels = false;
-		}
-	}
 </script>
 
 <Dialog.Root bind:open {onOpenChange}>
@@ -70,8 +55,8 @@
 				<div class="flex items-center justify-center py-8">
 					<div class="text-sm text-muted-foreground">Loading model information...</div>
 				</div>
-			{:else if modelsData && modelsData.data.length > 0}
-				{@const modelMeta = modelsData.data[0].meta}
+			{:else if firstModel}
+				{@const modelMeta = firstModel.meta}
 
 				{#if serverProps}
 					<Table.Root>

tools/server/webui/src/lib/services/chat.ts

@@ -677,48 +677,6 @@ export class ChatService {
 	// Utilities
 	// ─────────────────────────────────────────────────────────────────────────────
 
-	/**
-	 * Get server properties - static method for API compatibility (to be refactored)
-	 */
-	static async getServerProps(): Promise<ApiLlamaCppServerProps> {
-		try {
-			const response = await fetch(`./props`, {
-				headers: getJsonHeaders()
-			});
-
-			if (!response.ok) {
-				throw new Error(`Failed to fetch server props: ${response.status}`);
-			}
-
-			const data = await response.json();
-			return data;
-		} catch (error) {
-			console.error('Error fetching server props:', error);
-			throw error;
-		}
-	}
-
-	/**
-	 * Get model information from /models endpoint (to be refactored)
-	 */
-	static async getModels(): Promise<ApiModelListResponse> {
-		try {
-			const response = await fetch(`./models`, {
-				headers: getJsonHeaders()
-			});
-
-			if (!response.ok) {
-				throw new Error(`Failed to fetch models: ${response.status} ${response.statusText}`);
-			}
-
-			const data = await response.json();
-			return data;
-		} catch (error) {
-			console.error('Error fetching models:', error);
-			throw error;
-		}
-	}
-
 	/**
 	 * Injects a system message at the beginning of the conversation if provided.
 	 * Checks for existing system messages to avoid duplication.

tools/server/webui/src/lib/services/models.ts

@@ -7,7 +7,7 @@ import { getJsonHeaders } from '$lib/utils';
  *
  * This service handles communication with model-related endpoints:
  * - `/v1/models` - OpenAI-compatible model list (MODEL + ROUTER mode)
- * - `/models` - Router-specific model management (ROUTER mode only)
+ * - `/models/load`, `/models/unload` - Router-specific model management (ROUTER mode only)
  *
  * **Responsibilities:**
  * - List available models
@@ -43,7 +43,7 @@ export class ModelsService {
 	 * Returns models with load status, paths, and other metadata
 	 */
 	static async listRouter(): Promise<ApiRouterModelsListResponse> {
-		const response = await fetch(`${base}/models`, {
+		const response = await fetch(`${base}/v1/models`, {
 			headers: getJsonHeaders()
 		});
 

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

@@ -519,6 +519,19 @@ class ConversationsStore {
 		return await DatabaseService.getConversationMessages(convId);
 	}
 
+	/**
+	 * Imports conversations from provided data (without file picker)
+	 * @param data - Array of conversation data with messages
+	 * @returns Import result with counts
+	 */
+	async importConversationsData(
+		data: ExportedConversations
+	): Promise<{ imported: number; skipped: number }> {
+		const result = await DatabaseService.importConversations(data);
+		await this.loadConversations();
+		return result;
+	}
+
 	/**
 	 * Adds a message to the active messages array
 	 * Used by chatStore when creating new messages

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

@@ -370,6 +370,10 @@ class SettingsStore {
 		return { ...this.config };
 	}
 
+	canSyncParameter(key: string): boolean {
+		return ParameterSyncService.canSyncParameter(key);
+	}
+
 	/**
 	 * Get parameter information including source for a specific parameter
 	 */