[t3] attempting HTTP transport at http://localhost:3917/mcp
[t3] HTTP transport connected
[t3] using transport: http — shared HTTP server
[t3] OK  step 1 discover (4ms): building=building_bfqg91ai9ijps9ej, level=level_wyuoxj87czq3v0re (of 1 buildings, 1 levels)
[t3] using buildingId=building_bfqg91ai9ijps9ej levelId=level_wyuoxj87czq3v0re
[t3] OK  step 2 perimeter walls (2ms): created 4 perimeter walls (result.createdIds=["wall_y87bsrljd2245n51","wall_sja6jpda73tlhxwb","wall_aegff27krjwgmkmi","wall_dcymglyle9ff09ti"])
[t3] OK  step 3 interior partitions (1ms): created 7 interior walls
[t3] OK  step 4 set zones (3ms): created 4 zones: bedroom-1, bedroom-2, bathroom, living-kitchen
[t3] OK  step 5 cut openings (6ms): 3 doors, 3 windows
[t3] post-step-5 total node count: 24
[t3] OK  step 6 validate scene (1ms): valid=true, errors=0
[t3] OK  step 7 measure furthest zones (3ms): furthest: zone_3fyksm10tb0dhn1e <-> zone_u95l1bt35jci3gvu = 7.000m
[t3] OK  step 8 export json (1ms): exported 15392 bytes -> apartment.json
[t3] OK  step 9 undo 3 steps (2ms): undone=3, nodes 24 -> 21 (delta=3)
[t3] OK  step 10 redo 3 steps (2ms): redone=3, nodes 21 -> 24
[t3] OK  step 11 duplicate level + validate (2ms): newLevelId=level_cxvltlqvgqcasiep, cloned=22, valid=true, errors=0
[t3] OK  step 12 delete duplicated level (3ms): deleted 22 nodes; nodes 46 -> 24
[t3] done