You type it
Plain language, one prompt per click. The panel is a chat drawer — full conversation visible, every answer shown.
AI Studio
Say it.The furniture lands.
Type what you want in plain language — the model answers with ops in exactly three kinds: place, move, remove. A guard in code, not in the prompt, drops everything else; every placement is re-checked against the geometry before it lands; and the whole answer applies as one undoable step.
The contract, end to end.
"Turn this into a family living room with a big sectional and a reading corner." That is the whole input. Everything after it is mechanical — three op kinds, one guard, one geometry check, one undoable step.
The model answers in ops
Exactly 3 op kinds exist: place, move, remove. Nothing else is representable, so nothing else can arrive.
The guard runs in code
An allow-list enforced in code — not in the prompt. Unknown op kinds and unknown assets are dropped before anything touches the design.
Geometry re-checks every placement
No standing inside walls, no overlaps, ceiling and floor limits — the same legality the catalogue obeys. Rugs and tucked chairs exempt.
One undoable step
The survivors apply as a single step. Ctrl+Z takes it all back at once. Dropped ops are reported — never hidden.
Said plainly
The panel doesn't pretend.
What leaves the page
The panel states plainly that the prompt and the room layout are sent to the model. No fine print, no surprises.
Rate limits surface
Hit the limit and it arrives as its own message — readable, not a spinner that spins forever.
Dropped ops are reported
"2 ops dropped: unknown asset." You see what didn't land and why — the guard is auditable, not magical.
Same gesture as the room thread
In a shared design, two docks share one gesture: say what you want — a person answers in the room thread, the builder in the AI Studio.
What the guard refuses.
The model proposes. Code decides what lands — the same geometric legality every hand-placed object obeys.
- Unknown op kinds — only
place,moveandremoveexist; anything else is dropped - Unknown assets — a model id that isn't in the 381-model library never reaches the scene
- Illegal placements — inside walls, overlaps, ceiling and floor limits are re-checked geometrically before each op lands
- Half-applied answers — survivors apply as one undoable step or not at all
- Silent failures — dropped ops and rate limits are reported as their own messages
- One prompt per click — no runaway loops, no background batching
"The model proposes. Geometry disposes — in code."
— the AI Studio contractType one line.
Watch it land.
Three op kinds, one guard, one undoable step — and the dropped ops tell you why.