The Manor in the Demo
The publisher’s answer to the Manor question suggests that entry may need to wait for the full game. That is a hint, rather than a definitive explanation of every possible Demo path.
There is no established key, topic pair or entry sequence to recommend here. If you have already tried your available actions, repeating random combinations around the Manor is not a reliable way to find extra trial content.
Is this the same as the torn-paper limit?
No. For that separate clue, read the torn-paper page. Do not assume that every obstacle in the Demo has the same explanation.
For the opening investigation, follow Abigail’s office hints. For the upcoming launch, see release date and platforms.