app/ui: fix to point ollama client to ui backend in dev mode (#13079)

app/ui/app/src/api.ts

@@ -15,6 +15,7 @@ import {
 import { parseJsonlFromResponse } from "./util/jsonl-parsing";
 import { ollamaClient as ollama } from "./lib/ollama-client";
 import type { ModelResponse } from "ollama/browser";
+import { API_BASE } from "./lib/config";
 
 // Extend Model class with utility methods
 declare module "@/gotypes" {
@@ -27,8 +28,6 @@ Model.prototype.isCloud = function (): boolean {
   return this.model.endsWith("cloud");
 };
 
-const API_BASE = import.meta.env.DEV ? "http://127.0.0.1:3001" : "";
-
 // Helper function to convert Uint8Array to base64
 function uint8ArrayToBase64(uint8Array: Uint8Array): string {
   const chunkSize = 0x8000; // 32KB chunks to avoid stack overflow

app/ui/app/src/lib/config.ts

+// API configuration
+const DEV_API_URL = "http://127.0.0.1:3001";
+
+// Base URL for fetch API calls (can be relative in production)
+export const API_BASE = import.meta.env.DEV ? DEV_API_URL : "";
+
+// Full host URL for Ollama client (needs full origin in production)
+export const OLLAMA_HOST = import.meta.env.DEV
+  ? DEV_API_URL
+  : window.location.origin;

app/ui/app/src/lib/ollama-client.ts

 import { Ollama } from "ollama/browser";
+import { OLLAMA_HOST } from "./config";
 
 let _ollamaClient: Ollama | null = null;
 
@@ -6,7 +7,7 @@ export const ollamaClient = new Proxy({} as Ollama, {
   get(_target, prop) {
     if (!_ollamaClient) {
       _ollamaClient = new Ollama({
-        host: window.location.origin,
+        host: OLLAMA_HOST,
       });
     }
     const value = _ollamaClient[prop as keyof Ollama];