Can anyone recommend a resource for walking through a build for these Chinese frames?
Youtube is where I would go - here is a two-part series specific to the Hygge model by Henry Chung (who also posts on here I believe).
Part 1 - https://www.youtube.com/watch?v=qz9O7tMQVe4
Part 2 - https://www.youtube.com/watch?v=58-htKDpXQ0
Maybe it's helpful to watch a few general build videos in addition to the above, starting with everyone's favorite Youtuber*, Trace Velo.
£1000 AliExpress Carbon road bike build - https://www.youtube.com/watch?v=FRVsX2WEkqg
Jourdain Coleman has several build series that provide additional details.
See the four 'Bike Build' playlists - https://www.youtube.com/@JourdainColeman/playlists (I'd focus on the 'build process' videos within the respective playlists, the rest aren't that relevant to the assembly of the various bikes)
* Sorry, couldn't find a build video by everyone's other favorite Youtuber, Patrick Lino.