feat: Implementar sistema de disponibilidad y corregir errores de kiosko

- Agregar API routes de disponibilidad (blocks, staff, time-slots, staff-unavailable)
- Corregir autenticación en availability routes (reemplazar get_current_user_role con validación Bearer)
- Corregir DELETE en blocks/route.ts para usar query parameters
- Corregir errores de tipos en kiosk routes (supabase → supabaseAdmin)
- Agregar layout raíz de Next.js y estilos globales
- Agregar componente Badge UI
- Corregir tipos TypeScript en WalkInFlow
- Instalar dependencias necesarias (@radix-ui/*, class-variance-authority, etc)
- Agregar migraciones de disponibilidad

supabase/migrations/20260116040000_availability_system.sql

@@ -0,0 +1,52 @@
+-- ============================================
+-- FASE 2.1 - DISPONIBILIDAD DOBLE CAPA (SIMPLIFICADA)
+-- Horarios de staff y validación básica
+-- ============================================
+
+-- ============================================
+-- AGREGAR CAMPOS DE HORARIO A STAFF
+-- ============================================
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'staff' AND column_name = 'work_hours_start') THEN
+        ALTER TABLE staff ADD COLUMN work_hours_start TIME;
+        RAISE NOTICE 'Added work_hours_start to staff';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'staff' AND column_name = 'work_hours_end') THEN
+        ALTER TABLE staff ADD COLUMN work_hours_end TIME;
+        RAISE NOTICE 'Added work_hours_end to staff';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'staff' AND column_name = 'work_days') THEN
+        ALTER TABLE staff ADD COLUMN work_days TEXT DEFAULT 'MON,TUE,WED,THU,FRI,SAT';
+        RAISE NOTICE 'Added work_days to staff';
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'staff' AND column_name = 'is_available_for_booking') THEN
+        ALTER TABLE staff ADD COLUMN is_available_for_booking BOOLEAN DEFAULT true;
+        RAISE NOTICE 'Added is_available_for_booking to staff';
+    END IF;
+END
+$$;
+
+-- ============================================
+-- VERIFICACIÓN
+-- ============================================
+
+DO $$
+BEGIN
+    RAISE NOTICE '==========================================';
+    RAISE NOTICE 'FASE 2.1 - DISPONIBILIDAD COMPLETADA';
+    RAISE NOTICE '==========================================';
+    RAISE NOTICE 'Campos agregados a staff:';
+    RAISE NOTICE '  - work_hours_start';
+    RAISE NOTICE '  - work_hours_end';
+    RAISE NOTICE '  - work_days';
+    RAISE NOTICE '  - is_available_for_booking';
+    RAISE NOTICE '==========================================';
+    RAISE NOTICE 'Est listo para la Fase 2.2 - Servicios Express';
+    RAISE NOTICE '==========================================';
+END
+$$;