feat(integrations): add @mem0/eve memory provider

Give Eve agents a first-class Mem0 recall/capture provider so they can use Mem0 in the agent loop instead of MCP.

Co-authored-by: Cursor <cursoragent@cursor.com>

integrations/eve/tests/options.test.ts

@@ -0,0 +1,30 @@
+import { describe, expect, it } from "vitest";
+import { resolveOptions } from "../src/options.js";
+import { createFakeStore } from "./helpers.js";
+
+describe("resolveOptions", () => {
+  it("applies defaults", () => {
+    expect(resolveOptions({ apiKey: "m0-test" })).toMatchObject({
+      host: "https://api.mem0.ai",
+      topK: 5,
+      threshold: 0.1,
+      rerank: false,
+      infer: true,
+      autoSearch: { enabled: true },
+      capture: { enabled: true },
+    });
+  });
+
+  it("rejects an empty api key", () => {
+    expect(() => resolveOptions({ apiKey: "   " })).toThrow(/empty/);
+  });
+
+  it("rejects an invalid topK", () => {
+    expect(() => resolveOptions({ apiKey: "m0-test", topK: 0 })).toThrow(/topK/);
+  });
+
+  it("keeps an injected store", () => {
+    const store = createFakeStore();
+    expect(resolveOptions({ apiKey: "m0-test", store }).store).toBe(store);
+  });
+});