Question juridique clé
Whether the appeal against the detention-extension order was admissible and well-founded in simplified proceedings.
Solution extraite
The filing was treated as a public-law appeal but was, to the extent admissible at all, manifestly unfounded and decided in simplified proceedings.
Motifs extraits
The submission did not satisfy the requirements of Art. 42 BGG; on the merits, the file showed no federal-law violation.