feat: integrar utilidades de WhatsApp y servicios en server.ts

Co-authored-by: aider (openrouter/openai/gpt-5) <aider@aider.chat>

src/server.ts

@@ -5,10 +5,17 @@ import { ContactsService } from './services/contacts';
 import { Migrator } from './db/migrator';
 import { Metrics } from './services/metrics';
 import { AllowedGroups } from './services/allowed-groups';
-import { db } from './db';
+import { db, ensureUserExists } from './db';
 import { handleMetricsRequest } from './http/metrics';
 import { handleHealthRequest } from './http/health';
 import { startServices } from './http/bootstrap';
+import { normalizeWhatsAppId, isGroupId } from './utils/whatsapp';
+import { IdentityService } from './services/identity';
+import { ResponseQueue } from './services/response-queue';
+import { AdminService } from './services/admin';
+import { CommandService } from './services/command';
+import { TaskService } from './tasks/service';
+import { RateLimiter } from './services/rate-limit';
 
 // Bun is available globally when running under Bun runtime
 declare global {