Add qwen_synthetic30v15_seed_trajectories.zip (qwen_synthetic30v15, 36 tasks: 21 train + 15 val)

Add prime25v15r4 seed trajectories and documentation

Add opus5xover25v15 seed trajectories and documentation

Document trajectory archives

Add opus5xover25v15_if-010_trajectories.zip

Add prime25v15r4_if-006_trajectories.zip

initial commit