feat(memory): bind operator plugin to agent sessions (#739)

apps/gateway/src/agent/tools/memory-tools.test.ts

@@ -0,0 +1,41 @@
+import { describe, expect, it, vi } from 'vitest';
+import { createMemoryTools } from './memory-tools.js';
+
+describe('createMemoryTools operator retrieval binding', () => {
+  const memory = {
+    insights: { searchByEmbedding: vi.fn(), create: vi.fn() },
+    preferences: { findByUserAndCategory: vi.fn(), findByUser: vi.fn(), upsert: vi.fn() },
+  };
+  const scope = { tenantId: 'tenant-a', ownerId: 'owner-a', sessionId: 'session-a' };
+
+  it('uses the configured plugin with the server-derived scope for retrieval and capture', async () => {
+    const plugin = {
+      search: vi.fn(async () => []),
+      capture: vi.fn(async () => ({ id: 'insight-1' })),
+    };
+    const tools = createMemoryTools(memory as never, null, 'owner-a', {
+      plugin: plugin as never,
+      scope,
+    });
+
+    await tools
+      .find((tool) => tool.name === 'memory_search')!
+      .execute('call-1', { query: 'plans' }, undefined, undefined, {} as never);
+    await tools
+      .find((tool) => tool.name === 'memory_save_insight')!
+      .execute(
+        'call-2',
+        { content: 'secret', category: 'decision' },
+        undefined,
+        undefined,
+        {} as never,
+      );
+
+    expect(plugin.search).toHaveBeenCalledWith(scope, 'plans', 5);
+    expect(plugin.capture).toHaveBeenCalledWith(scope, {
+      content: 'secret',
+      source: 'agent',
+      category: 'decision',
+    });
+  });
+});