I'm not a sadist, I just prefer to assume you (along with everyone else playing my games) are intelligent and capable of critical thinking. Though in this particular case, it seems like you're
overthinking it.
Because what you're looking for
is a literal hedge maze.
It's right here.
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You walk past it a couple of times right at the beginning of the segment.
The reason I'm vague (and probably why everyone else tends to be vague) with hints is that exploration is a part of the game. The people who care enough to give each other hints are most likely, like myself, the kind of person that enjoys that aspect of the game and doesn't want to spoil it for other like-minded people.
As for there not being a detailed walkthrough anywhere - the game is a lot bigger than I originally intended for it to be, and making a detailed guide would take a
lot of work. If I made it, it would only be available to my Patrons and/or for purchase as an extra on itch.io, because it would take me literal months to make if I took the time to do it properly. If I was quick and sloppy about it, it wouldn't be any better than the Task List that already exists, so I'd be wasting my own time. In either case, making more content feels like a better use of my time.
A few people have said they would (and for as far as I know, even started to) make a guide, which I offered to help with when it comes to specific information, but I have yet to even get a question about anything besides the total HP of the rats at the start of the game.
I assume those people have either stopped or are still working on it. Probably because making a detailed guide for a game this big is a lot of hard work.
I'm also not above admitting I'm not perfect and making updates to the game where necessary. If a thing is genuinely so vague that it stops you from making progress, I'm happy to help, and I've reworked both individual puzzles and entire maps in the past to make things more approachable. Even where I don't intend to make any changes (like the mind maze, which you haven't gotten to just yet and I'm sure will drive you up a wall) I check here often enough that you're likely to get a response pretty quickly if you ask for a hint.
It might also be worth mentioning that - while I'm also the sort of person that sees optional content in front of me and insists on completing it - if you get stuck on optional content, you can ignore it for a bit and come back to it later. I try to go out of my way to make optional content available at all times in the game (with the exceptions being seasonal content, but even then, you can access it again once the season rolls back around).