onlysuites surely a partner redemption would be on partner ticket stock? QR ticket stock always starts with 157.
The terms and conditions
https://transitvisa.qatarairways.com...plyVisa/search say "Confirmed tickets for a journey into Qatar and the onward journey out of Qatar must be on Qatar Airways ticket document. Both the flights must be operated by Qatar Airways. The facility is not applicable for travel where Doha is the point of turnaround e.g. BOM-DOH-BOM."
"Both the flights must be operated by Qatar Airways." also excludes codeshare when operated by another carrier.