feat: add targeted lab preparation workflow

TROUBLESHOOTING.md

@@ -43,6 +43,10 @@ groups $USER
 
 **Soluzioni:**
 ```bash
+# Prima prova la pulizia mirata del corso
+./scripts/prepare-lab.sh --dry-run
+./scripts/prepare-lab.sh
+
 # Trova processo usando la porta
 sudo lsof -i :<porta>
 sudo netstat -tulpn | grep <porta>
@@ -186,7 +190,12 @@ docker network prune
 # Rimuovi container stopped
 docker container prune
 
+# Pulizia mirata dei laboratori cloud
+./scripts/prepare-lab.sh --dry-run
+./scripts/prepare-lab.sh
+
 # Reset completo
+./scripts/reset-env.sh --dry-run
 ./scripts/reset-env.sh
 ```