Covers task 14.3: verify UPSTREAM_MACHINES/UPSTREAM_MATERIALS list format, WAFER_ROOT field, multi-reason row expansion, machine deduplication, and CSV export flatten logic. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Covers task 14.3: verify UPSTREAM_MACHINES/UPSTREAM_MATERIALS list format, WAFER_ROOT field, multi-reason row expansion, machine deduplication, and CSV export flatten logic. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>