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- Dataset browser: audio/features now resolve through features/ subdir - tier1_sweep.json: update data_dir to BJ dataset path - tier1_thorough.json: 12-experiment overnight sweep across 4 groups (rank 16/32/64, alpha scaling, LoRA+/dropout/curriculum isolation, full Tier 1 stack at r16 and r64) — output to BJ/experiment/ Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>