Add sweep67 method results (gpt5mini, fix-mode rescore 2026-06-09)

Update batch_0602 typeI: refresh tasks (Jun 8 edits)

Sanitize prompt-slot prose: remove baseline-name/answer-form/exponent leaks + distractor labels + internal meta from input/target descriptions and priors descriptions/sources (LLM per-task audit)

Sync local: train/test range split + metadata consistency fixes (measured/best_baseline, ranges) + field cleanup (drop problem_statement/auditor_notes/reference_baseline_id) + trim redundant range prose

Add batch_0602 typeI: 67 tasks (binaries via LFS; excl. data_raw symlinks & cache cruft)

initial commit