chore: import upstream snapshot with attribution

test/openclaw-plugin.test.ts

@@ -0,0 +1,62 @@
+import { describe, expect, it, vi } from "vitest";
+
+type Capability = {
+  promptBuilder?: (params: {
+    availableTools: Set<string>;
+  }) => string[] | undefined;
+};
+
+type RegisterFn = (capability: Capability) => void;
+
+interface FakeApi {
+  registerMemoryCapability: RegisterFn;
+  on: ReturnType<typeof vi.fn>;
+  pluginConfig: Record<string, unknown>;
+  logger: { warn: ReturnType<typeof vi.fn> };
+}
+
+function makeApi(overrides: Partial<FakeApi> = {}): FakeApi {
+  return {
+    registerMemoryCapability: vi.fn(),
+    on: vi.fn(),
+    pluginConfig: { base_url: "http://localhost:3111" },
+    logger: { warn: vi.fn() },
+    ...overrides,
+  };
+}
+
+describe("openclaw plugin — memory capability registration (closes #286 follow-up)", () => {
+  it("calls api.registerMemoryCapability with a promptBuilder when the host supports it", async () => {
+    const mod = await import("../integrations/openclaw/plugin.mjs");
+    const plugin = (mod as unknown as { default: { register(api: FakeApi): void } }).default;
+    const api = makeApi();
+    plugin.register(api);
+    expect(api.registerMemoryCapability).toHaveBeenCalledTimes(1);
+    const capability = (api.registerMemoryCapability as ReturnType<typeof vi.fn>).mock.calls[0][0] as Capability;
+    expect(typeof capability.promptBuilder).toBe("function");
+    const lines = capability.promptBuilder?.({ availableTools: new Set() });
+    expect(Array.isArray(lines)).toBe(true);
+    expect((lines as string[]).join(" ")).toMatch(/agentmemory/i);
+  });
+
+  it("still registers hooks and tolerates older OpenClaw builds without registerMemoryCapability", async () => {
+    const mod = await import("../integrations/openclaw/plugin.mjs");
+    const plugin = (mod as unknown as { default: { register(api: FakeApi): void } }).default;
+    const api = makeApi({ registerMemoryCapability: undefined as unknown as RegisterFn });
+    expect(() => plugin.register(api)).not.toThrow();
+    expect(api.on).toHaveBeenCalled();
+    const events = (api.on as ReturnType<typeof vi.fn>).mock.calls.map((c) => c[0]);
+    expect(events).toContain("before_agent_start");
+    expect(events).toContain("agent_end");
+  });
+
+  it("promptBuilder returns lines that mention the configured base_url", async () => {
+    const mod = await import("../integrations/openclaw/plugin.mjs");
+    const plugin = (mod as unknown as { default: { register(api: FakeApi): void } }).default;
+    const api = makeApi({ pluginConfig: { base_url: "http://memory.internal:9999" } });
+    plugin.register(api);
+    const capability = (api.registerMemoryCapability as ReturnType<typeof vi.fn>).mock.calls[0][0] as Capability;
+    const lines = capability.promptBuilder?.({ availableTools: new Set() }) ?? [];
+    expect(lines.join("\n")).toMatch(/memory\.internal:9999/);
+  });
+});