feat: exponer la DB global mediante locator en startServices

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

src/http/bootstrap.ts

@@ -1,4 +1,5 @@
 import type { Database } from 'bun:sqlite';
+import { setDb } from '../db/locator';
 import { WebhookManager } from '../services/webhook-manager';
 import { GroupSyncService } from '../services/group-sync';
 import { ResponseQueue } from '../services/response-queue';
@@ -6,6 +7,8 @@ import { RemindersService } from '../services/reminders';
 import { MaintenanceService } from '../services/maintenance';
 
 export async function startServices(_db: Database): Promise<void> {
+  // Exponer la DB globalmente vía locator para servicios que lo usen.
+  try { setDb(_db); } catch {}
   await WebhookManager.registerWebhook();
   // Add small delay to allow webhook to propagate
   await new Promise(resolve => setTimeout(resolve, 1000));