fix(ts-oss): isolate entity store from memory store by default (#4829)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-authored-by: kartik-mem0 <kartik.labhshetwar@mem0.ai>

mem0-ts/src/client/tests/integration/batch.test.ts

@@ -26,7 +26,7 @@ describeIntegration("MemoryClient Integration — Batch Operations", () => {
 
   beforeAll(async () => {
     cleanup = suppressTelemetryNoise();
-    client = createTestClient();
+    client = await createTestClient();
     memoryIds = await seedTestMemories(client, TEST_USER_ID);
   });
 

mem0-ts/src/client/tests/integration/crud.test.ts

@@ -26,9 +26,9 @@ describeIntegration("MemoryClient Integration — CRUD", () => {
   let cleanup: () => void;
   let memoryIds: string[] = [];
 
-  beforeAll(() => {
+  beforeAll(async () => {
     cleanup = suppressTelemetryNoise();
-    client = createTestClient();
+    client = await createTestClient();
   });
 
   afterAll(async () => {

mem0-ts/src/client/tests/integration/helpers.ts

@@ -18,9 +18,13 @@ export const describeIntegration = API_KEY ? describe : describe.skip;
  * Create a MemoryClient with the real API key.
  * Call this inside beforeAll — not at module scope — so it only
  * runs when the suite is not skipped.
+ *
+ * Returns an initialized client ready for immediate use.
  */
-export function createTestClient(): MemoryClient {
-  return new MemoryClient({ apiKey: API_KEY! });
+export async function createTestClient(): Promise<MemoryClient> {
+  const client = new MemoryClient({ apiKey: API_KEY! });
+  await client.ping();
+  return client;
 }
 
 /**

mem0-ts/src/client/tests/integration/initialization.test.ts

@@ -24,9 +24,9 @@ describeIntegration("MemoryClient Integration — Initialization", () => {
   let client: MemoryClient;
   let cleanup: () => void;
 
-  beforeAll(() => {
+  beforeAll(async () => {
     cleanup = suppressTelemetryNoise();
-    client = createTestClient();
+    client = await createTestClient();
   });
 
   afterAll(() => cleanup());

mem0-ts/src/client/tests/integration/management.test.ts

@@ -27,7 +27,7 @@ describeIntegration("MemoryClient Integration — Users & Project", () => {
 
   beforeAll(async () => {
     cleanup = suppressTelemetryNoise();
-    client = createTestClient();
+    client = await createTestClient();
     await seedTestMemories(client, TEST_USER_ID);
   });
 

mem0-ts/src/client/tests/integration/search.test.ts

@@ -27,7 +27,7 @@ describeIntegration("MemoryClient Integration — Search & History", () => {
 
   beforeAll(async () => {
     cleanup = suppressTelemetryNoise();
-    client = createTestClient();
+    client = await createTestClient();
     memoryIds = await seedTestMemories(client, TEST_USER_ID);
   });
 

mem0-ts/src/oss/src/config/defaults.ts

@@ -22,7 +22,7 @@ export const DEFAULT_MEMORY_CONFIG: MemoryConfig = {
     config: {
       baseURL: "https://api.openai.com/v1",
       apiKey: process.env.OPENAI_API_KEY || "",
-      model: "gpt-4.1-nano-2025-04-14",
+      model: "gpt-5-mini",
       modelProperties: undefined,
     },
   },

mem0-ts/src/oss/src/llms/azure.ts

@@ -18,7 +18,7 @@ export class AzureOpenAILLM implements LLM {
       endpoint: endpoint as string,
       ...rest,
     });
-    this.model = config.model || "gpt-4";
+    this.model = config.model || "gpt-5-mini";
   }
 
   async generateResponse(

mem0-ts/src/oss/src/llms/openai.ts

@@ -11,7 +11,7 @@ export class OpenAILLM implements LLM {
       apiKey: config.apiKey,
       baseURL: config.baseURL,
     });
-    this.model = config.model || "gpt-4.1-nano-2025-04-14";
+    this.model = config.model || "gpt-5-mini";
   }
 
   async generateResponse(

mem0-ts/src/oss/src/llms/openai_structured.ts

@@ -8,7 +8,7 @@ export class OpenAIStructuredLLM implements LLM {
 
   constructor(config: LLMConfig) {
     this.openai = new OpenAI({ apiKey: config.apiKey });
-    this.model = config.model || "gpt-4-turbo-preview";
+    this.model = config.model || "gpt-5-mini";
   }
 
   async generateResponse(