feat: Exp E LSF job logs (stdout/stderr)

feat: Exp E transition data (100K transitions x 5 seeds x 10 DMControl tasks, 828MB)

feat: Exp E student models — dyn+rew checkpoints (10 tasks, 150 configs)

feat: Exp E benchmark results (200 JSON, 10 DMControl tasks x 4 budgets x 5 seeds)

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initial commit