Questione giuridica chiave
Whether the federal appeal against the cantonal maintenance decision was admissible for review of constitutional rights only.
Decisione estratta
The appeal was admissible; the decision was final, concerned monetary claims above the federal threshold, and as a provisional measure could only be reviewed for violation of constitutional rights.
Motivazione estratta
The Court found the cantonal remedies exhausted and noted the limited scope of review under Art. 98 BGG for precautionary measures.