[{"type":"thinking","thinking":"Backend build in progress: block 571/1579 after ~4 min of building (plus sieve time). ~36% → total build ~11 min, then the a-sweep. Total maybe 25-40 min. Poll periodically. Meanwhile, I could prepare... nothing needed; just wait. Poll in a few minutes.","signature":""},{"type":"text","text":"Backend building (36% through blocks). The full run should take ~20–40 min. Polling periodically."},{"type":"tool_use","id":"Bash_97","name":"Bash","input":{"command":"sleep 420 && tail -3 /d/Python/Quantum/research/numerics/data/E-022-run.log","description":"Poll E-022 progress","timeout":440000},"extra_content":null}]