WRONG YELLOW - RUNTIME MONOROOM POOL NOTES
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This folder contains prebuilt monoroom templates used by the runtime giga-content builder.

Current family:
- monoroom_8*
- monoroom_16*
- monoroom_24*
- monoroom_32*
- monoroom_48*

Runtime intent:
- A free macrocell can place well content or monoroom content.
- Monorooms are selected from a storage-backed runtime pool.
- The current density pass uses two possible content candidates inside each 128x128 macrocell.
- Candidate placement is aligned to the 16-block grid.
- Runtime monoroom content is not planned below Y=64.

How to add a simple prebuilt monoroom:
1. Add the `.nbt` template in `data/backrooms/structure/yellow/`.
2. Add the corresponding entry to the runtime pool builder/storage function.
3. Keep the template aligned to the expected 8/16/24/32/48 family size.
4. Test the placement with the giga/matrix debug helpers before adding it to natural runtime selection.

Anti-floating-carpet placement rule:
Before the NBT is placed, the builder progressively fills the target cube with smooth_sandstone in 8-block-high horizontal slices. Only one slice is prepared per builder pulse, then the template is placed once the foundation is ready. This avoids visible worldgen carpet leftovers inside large runtime monoroom volumes.

Cleanup note:
This is a technical README kept next to the runtime templates. Public-facing documentation lives in `/docs/`.
