feat(gateway): add system.services and dashboard services grid

src/gateway/handlers/handlers.test.ts

@@ -40,6 +40,30 @@ describe('system handlers', () => {
     expect(typeof r.uptime).toBe('number');
     expect(r.uptime).toBeGreaterThanOrEqual(59);
   });
+
+  it('system.services returns empty list when getServices is not provided', async () => {
+    const req: GatewayRequest = { id: 2, method: 'system.services' };
+    const result = await handlers['system.services'](req) as GatewayResponse;
+    expect(result.id).toBe(2);
+    expect((result.result as any).services).toEqual([]);
+  });
+
+  it('system.services returns services from getServices callback', async () => {
+    const handlers = createSystemHandlers({
+      ...deps,
+      getServices: () => ([
+        { name: 'telegram', type: 'channel', status: 'connected', description: 'Telegram bot' },
+        { name: 'cron', type: 'automation', status: 'configured', description: 'Cron scheduler', itemCount: 2 },
+      ] as any),
+    });
+
+    const req: GatewayRequest = { id: 3, method: 'system.services' };
+    const result = await handlers['system.services'](req) as GatewayResponse;
+    expect((result.result as any).services).toEqual([
+      { name: 'telegram', type: 'channel', status: 'connected', description: 'Telegram bot' },
+      { name: 'cron', type: 'automation', status: 'configured', description: 'Cron scheduler', itemCount: 2 },
+    ]);
+  });
 });
 
 describe('system.tokenUsage handler', () => {