fix(ts-sdk): unwrap v1.1 search response in client, fix TS2339 type errors

search() now unwraps { results: [...] } -> [...] internally (same
pattern getAll() already uses), so callers always get Array<Memory>.

Removes redundant unwrap logic from integration test helpers and
search.test.ts that caused TS2339 'Property results does not exist
on type never' — the false branch of Array.isArray() was unreachable
since search() is typed as returning Array<Memory>.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

mem0-ts/src/client/mem0.ts

@@ -298,7 +298,8 @@ export default class MemoryClient {
         body: JSON.stringify(payload),
       },
     );
-    return response;
+    // Unwrap v1.1 format: { results: [...] } → [...]
+    return Array.isArray(response) ? response : (response?.results ?? response);
   }
 
   async delete(memoryId: string): Promise<{ message: string }> {

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

@@ -92,11 +92,7 @@ export async function waitForSearchResults(
   maxRetries = 4,
 ): Promise<Memory[]> {
   for (let attempt = 1; attempt <= maxRetries; attempt++) {
-    const response = await withRetry(() => client.search(query, options));
-    // v3 returns { results: [...] }, unwrap for backward compat
-    const results = Array.isArray(response)
-      ? response
-      : (response?.results ?? []);
+    const results = await withRetry(() => client.search(query, options));
     if (results.length > 0) {
       return results;
     }

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

@@ -108,30 +108,22 @@ describeIntegration("MemoryClient Integration — Search & History", () => {
   // ─── Edge cases ─────────────────────────────────────────
   describe("edge cases", () => {
     test("search for non-existent user returns empty results", async () => {
-      const response = await client.search("anything", {
+      const results = await client.search("anything", {
         filters: { userId: `nonexistent-user-${randomUUID()}` },
       });
-      // v3 returns { results: [...] }
-      const results = Array.isArray(response)
-        ? response
-        : (response?.results ?? []);
 
       expect(Array.isArray(results)).toBe(true);
       expect(results.length).toBe(0);
     });
 
     test("search with top_k param does not throw", async () => {
-      const response = await client.search(
+      const results = await client.search(
         "Tell me about integration test user",
         {
           filters: { userId: TEST_USER_ID },
           topK: 1,
         },
       );
-      // v3 returns { results: [...] }
-      const results = Array.isArray(response)
-        ? response
-        : (response?.results ?? []);
 
       expect(Array.isArray(results)).toBe(true);
     });