docs: add comprehensive code comments, update README and TASKS, create training and troubleshooting guides

- Add JSDoc comments to API routes and business logic functions
- Update README.md with Phase 2 status and deployment/production notes
- Enhance TASKS.md with estimated timelines and dependencies
- Create docs/STAFF_TRAINING.md for team onboarding
- Create docs/CLIENT_ONBOARDING.md for customer experience
- Create docs/OPERATIONAL_PROCEDURES.md for daily operations
- Create docs/TROUBLESHOOTING.md for common setup issues
- Fix TypeScript errors in hq/page.tsx

app/booking/confirmacion/page.tsx

@@ -7,6 +7,7 @@ import { CheckCircle2, Calendar, Clock, MapPin, User, Mail } from 'lucide-react'
 import { format } from 'date-fns'
 import { es } from 'date-fns/locale'
 
+/** @description Booking confirmation page component displaying appointment details and important information after successful booking. */
 export default function ConfirmacionPage() {
   const [bookingDetails, setBookingDetails] = useState<any>(null)
   const [loading, setLoading] = useState(true)