Snellisci l'invito a trasmettere e invia l'email automatica.

Il form invito è sulla pagina squadra, genera il link e manda la mail; in caso di errore SMTP resta la copia manuale.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/spec/mailers/previews/teams/invitation_mailer_preview.rb

@@ -0,0 +1,25 @@
+# Anteprima: http://localhost:3000/rails/mailers/teams/invitation_mailer/transmission_invite
+module Teams
+  class InvitationMailerPreview < ActionMailer::Preview
+    def transmission_invite
+      team = Team.includes(:club).order(:created_at).first
+      raise "Nessuna squadra in DB: esegui seed" unless team
+
+      invited_by = User.order(:created_at).first || User.new(name: "Coach Demo", email: "coach@matchlivetv.test")
+      invitation = TeamInvitation.new(
+        email: "demo.streamer@example.com",
+        expires_at: 7.days.from_now,
+        role: "member",
+        staff_kind: "transmission"
+      )
+      invite_url = "http://localhost:3000/join/anteprima-token-esempio"
+
+      ::Teams::InvitationMailer.transmission_invite(
+        team: team,
+        invitation: invitation,
+        invite_url: invite_url,
+        invited_by: invited_by
+      )
+    end
+  end
+end