My apologies if this is inappropriate or posted in the wrong section, but as she spent a lot of time in this forum, I thought you might want to know.
Her SO and best friend,
I'll also put a notice on her profile, for anyone who knew her but doesn't happen to see this post. (I have her credentials, as she left her master passphrase in a sealed envelope for cases like these. This should also be sufficient proof I am her SO and this is no bad joke.)