Alright, I got my Omake done, so let me know what you think of it. Just a quick warning: this is pretty dark, so if you don't like that you might not want to read it. Enjoy.
Oh shit, that was excellent Blueshift. I always imagined the way Jefferson would react to that kind of situation would be pure cowardice, the kinda pathetic begging and pleading for his life/not to be turned in. Your interpretation is 100x more bone chilling, and using him as a way of turning a mirror onto Max to make her consider her actions is really clever, awesome awesome work. Has been added to the OP.
This was interesting. It's up to Alobomb to say whether it's canon or not
Warning for long rant about silly things, TL;DR at bottom.
I have some mixed thoughts on the topic of canonicity as a whole. When it comes down to it, what do we define as canon? If we take the original application of the word to the Biblical canon, it comes from the Greek work for "rule" or "measuring stick." In that case it refers to what is considered by the largest group of worshipers to be the "authoritative scripture", i.e the scripture that is believed to be "true" and applicable to reality. Funnily enough, things become infinitely more complicated once we apply this same idea to modern fiction.
Take Game of Thrones, a show I haven't watched, for example. George R.R Martin's books can be considered to be the Canon of the ASOIAF series so we'll take that as the base level of "canon" here. Let's go one step "removed" from that and look at the TV show, Game of Thrones. In it, plot elements from the books are changed, character's motivations and personalities take on entirely different tones or bents, and it of course gets it's own "anime original ending" to borrow a phrase. Does this make it a non-canon piece of media? Or does it make it it's own canon as a separate entity from ASOIAF? Is it technically a fanwork?
Let's follow this one step further. As of the end of 2018, the first book of ASOIAF had sold 44 million copies in North America since publication. The average live viewership per episode of Game of Thrones throughout it's whole run was 32.8 million. Taking into account that a large portion of the audience likely did not watch each GoT episode live, I think it is safe to assume that Game of Thrones likely has a much larger consumer base than ASOIAF does. Assuming that we take them as two separate takes on the same universe, does the larger fanbase of the TV show (and therefore the larger amount of people who consider it to be "true") mean that the TV show is "more" canon than the books? Or does the books status as the Originator (roll credits) of the media universe and authorship by George R.R Martin mean that it inherently has more canonicity than the TV show, no matter how much larger the TV show fanbase becomes than the books?
To pivot entirely, there are fanworks out there that I personally believe to be necessary for the full experience of various pieces of media. Both Life is Strange and Homestuck fall into this category. If I personally take these fanworks I consider to be intrinsic to understanding some character's characterizations to be canonical, do they not become so for me? Is canonicity then not an objective property, but a subjective one? What if the author comes right out to me and says "no, Detective Pony is not an accurate assessment of Dirk's personality." Obviously I can disagree and deny this, but will I then be somehow objectively incorrect by doing so? What if 90% of fans believe the fanwork to be "canonical" when the author still disagrees? Who's right?
(Spoiler: I think it's each individual person who's correct about their own canon.)
All of that to say, canonicity is fluid, even moreso when time travel is involved in-universe, and even
moreso when it's a form of collaborative writing, such as a quest. It can be useful nomenclature to keep track of what has or hasn't been confirmed to have happened in a story, but if that is so non-self-evident that it needs that kind of label to confirm it, there's probably bigger issues at play lmao.
TL;DR What's canon or not isn't up to me, all I have control over is the thread of story
I'm writing, not your interpretation of it or others. The world that Max is in cannot be easily confirmed to be similar enough to her previous loops that any information this would mean she knew would be relevant. For all omakes it's up to the individual reading them whether they want to apply them as canon or not. Personally, I really like Blueshift's omake, and I can absolutely see it as canonical, but I also ain't gonna "confirm" that or force it on you guys, it's your story (almost) as much as it is mine.