Save one of my Fantacalcio squads

Saves the 25 players you own in one team, as player codes, plus the Classic options your league changed, substitution_mode among them (traditional, hybrid or dynamic, hybrid when omitted). Every code is checked against this season's catalog and the ROLES come from that catalog, never from this request, which is what makes the 3 keepers, 8 defenders, 8 midfielders and 6 forwards check mean something. A code the catalog does not carry is refused with that code in the message rather than guessed at. Resolve names with GET /v1/fantasy/fantacalcio/players first. The save REPLACES that team's squad rather than adding to it, and it bumps a revision, which is how advice computed on the previous squad is marked stale. Saving one team never touches another. This changes Predixsport private state only. It never signs in to any fantasy platform and never changes your squad there. Requires mcp:read and fantasy:fantacalcio:write. The Fantacalcio workspace is in a private beta: this endpoint answers 403 for an account outside it.