feat: add memory vector search

src/agents/memory-search.test.ts

@@ -0,0 +1,56 @@
+import { describe, expect, it } from "vitest";
+
+import { resolveMemorySearchConfig } from "./memory-search.js";
+
+describe("memory search config", () => {
+  it("returns null when disabled", () => {
+    const cfg = {
+      agents: {
+        defaults: {
+          memorySearch: { enabled: true },
+        },
+        list: [
+          {
+            id: "main",
+            default: true,
+            memorySearch: { enabled: false },
+          },
+        ],
+      },
+    };
+    const resolved = resolveMemorySearchConfig(cfg, "main");
+    expect(resolved).toBeNull();
+  });
+
+  it("merges defaults and overrides", () => {
+    const cfg = {
+      agents: {
+        defaults: {
+          memorySearch: {
+            provider: "openai",
+            model: "text-embedding-3-small",
+            chunking: { tokens: 500, overlap: 100 },
+            query: { maxResults: 4, minScore: 0.2 },
+          },
+        },
+        list: [
+          {
+            id: "main",
+            default: true,
+            memorySearch: {
+              chunking: { tokens: 320 },
+              query: { maxResults: 8 },
+            },
+          },
+        ],
+      },
+    };
+    const resolved = resolveMemorySearchConfig(cfg, "main");
+    expect(resolved?.provider).toBe("openai");
+    expect(resolved?.model).toBe("text-embedding-3-small");
+    expect(resolved?.chunking.tokens).toBe(320);
+    expect(resolved?.chunking.overlap).toBe(100);
+    expect(resolved?.query.maxResults).toBe(8);
+    expect(resolved?.query.minScore).toBe(0.2);
+  });
+});