feat: Update web UI for domain-keyed service model

- RegisteredService: removed name, added subdomains bool
- CertEntry: removed service field (domain is the key)
- Ingress page: domain as primary label, subdomains badge
- Certificates page: source shown under domain
- All type-check passes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web/src/services/api/networking.ts

@@ -3,9 +3,9 @@ import { apiClient } from './client';
 // Services
 
 export interface RegisteredService {
-  name: string;
-  source: string;
   domain: string;
+  source: string;
+  subdomains: boolean;
   backend: {
     address: string;
     type: string;
@@ -24,10 +24,8 @@ export const servicesApi = {
 // HAProxy
 
 export interface HaproxyInstanceRoute {
-  name: string;
   domain: string;
   backendIP: string;
-  extraDomains?: string[];
 }
 
 export interface HaproxyStatus {