feat(gateway): add optional bonjour/mdns discovery

src/config/schema.test.ts

@@ -74,6 +74,34 @@ describe('configSchema — server', () => {
     expect(result.server.ws_rate_limit.max_violations).toBe(3);
     expect(result.server.ws_rate_limit.violation_window_ms).toBe(2000);
   });
+
+  it('defaults discovery settings', () => {
+    const result = configSchema.parse(minimalConfig);
+    expect(result.server.discovery.enabled).toBe(false);
+    expect(result.server.discovery.service_name).toBe('flynn-gateway');
+    expect(result.server.discovery.service_type).toBe('_flynn._tcp');
+    expect(result.server.discovery.txt).toEqual({});
+  });
+
+  it('accepts custom discovery settings', () => {
+    const result = configSchema.parse({
+      ...minimalConfig,
+      server: {
+        discovery: {
+          enabled: true,
+          service_name: 'flynn-dev',
+          service_type: '_custom._tcp',
+          txt: {
+            env: 'dev',
+          },
+        },
+      },
+    });
+    expect(result.server.discovery.enabled).toBe(true);
+    expect(result.server.discovery.service_name).toBe('flynn-dev');
+    expect(result.server.discovery.service_type).toBe('_custom._tcp');
+    expect(result.server.discovery.txt).toEqual({ env: 'dev' });
+  });
 });
 
 describe('configSchema — agent_configs', () => {