fix: make session memory indexing async

src/memory/manager.async-search.test.ts

@@ -0,0 +1,82 @@
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+
+import { getMemorySearchManager, type MemoryIndexManager } from "./index.js";
+
+const embedBatch = vi.fn(async () => []);
+const embedQuery = vi.fn(async () => [0.2, 0.2, 0.2]);
+
+vi.mock("./embeddings.js", () => ({
+  createEmbeddingProvider: async () => ({
+    requestedProvider: "openai",
+    provider: {
+      id: "openai",
+      model: "text-embedding-3-small",
+      embedQuery,
+      embedBatch,
+    },
+    openAi: {
+      baseUrl: "https://api.openai.com/v1",
+      headers: { Authorization: "Bearer test", "Content-Type": "application/json" },
+      model: "text-embedding-3-small",
+    },
+  }),
+}));
+
+describe("memory search async sync", () => {
+  let workspaceDir: string;
+  let indexPath: string;
+  let manager: MemoryIndexManager | null = null;
+
+  beforeEach(async () => {
+    workspaceDir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-mem-async-"));
+    indexPath = path.join(workspaceDir, "index.sqlite");
+    await fs.mkdir(path.join(workspaceDir, "memory"));
+    await fs.writeFile(path.join(workspaceDir, "memory", "2026-01-07.md"), "hello\n");
+  });
+
+  afterEach(async () => {
+    vi.unstubAllGlobals();
+    if (manager) {
+      await manager.close();
+      manager = null;
+    }
+    await fs.rm(workspaceDir, { recursive: true, force: true });
+  });
+
+  it("does not await sync when searching", async () => {
+    const cfg = {
+      agents: {
+        defaults: {
+          workspace: workspaceDir,
+          memorySearch: {
+            provider: "openai",
+            model: "text-embedding-3-small",
+            store: { path: indexPath },
+            sync: { watch: false, onSessionStart: false, onSearch: true },
+            query: { minScore: 0 },
+            remote: { batch: { enabled: true, wait: true } },
+          },
+        },
+        list: [{ id: "main", default: true }],
+      },
+    };
+
+    const result = await getMemorySearchManager({ cfg, agentId: "main" });
+    expect(result.manager).not.toBeNull();
+    if (!result.manager) throw new Error("manager missing");
+    manager = result.manager;
+
+    const pending = new Promise<void>(() => {});
+    (manager as unknown as { sync: () => Promise<void> }).sync = vi.fn(async () => pending);
+
+    const resolved = await Promise.race([
+      manager.search("hello").then(() => true),
+      new Promise<boolean>((resolve) => setTimeout(() => resolve(false), 50)),
+    ]);
+    expect(resolved).toBe(true);
+  });
+});