When looking at the instructions for how to submit bug reports, the topic linked to this post of known issues. I found the fluid post there.

And I've expanded on it at least, the inconsistent behavior between manual building and bot building in this scenario cannot be a feature.

Not a not-a-bug, it's linked under known issues.

Similar to this known issue , but I cannot verify that it is the same due to the full description of the bug becoming inaccessible.

Trying to combine 2 fluid "networks" containing the same fluid produces a "Cannot connect systems with different fluids" error if one of the systems is already ...