Knowing there is no way they're going go back and change the whole SI story from Taris on to in-cooperate Thana instead of Ashara, I would totally settle for/purchase with CC's an unlock for her on the cartel market or do an HK type mission chain.
Oh, I never meant instead of Ashara. I meant it more along the lines of making a follow-up questline where you can recruit her as an extra companion, just like HK. They could even explain why she's still alive for those who originally killed her. (and maybe give her a cyborg customization option
I'd be more than happy to have it be a CM purchase too.