webshop_single_expert_qwen2_5_3_step_300_seed0: add best_val official eval (0.590/0.732)

webshop_single_expert_qwen2_5_3_step_300_seed0: add best_val official eval (0.590/0.732)

webshop_single_expert_qwen2_5_3_step_300_seed0: LoRA adapters (steps 100/200/300, best_val) + manifest/README; first 3B run, below 1.5B reference

Remove pre-fix and legacy-layout WebShop results

Publish canonical sampler-fixed WebShop training checkpoints

Add sampler-fixed WebShop step-300 single- and 2-expert checkpoints

Add 2expert clusterF nothinking final (step1000)

Add 2expert clusterF nothinking best (step500, val SR 0.742)

Add 1expert nothinking final (step1000)

Add 1expert nothinking best (step980, val SR 0.805)

Add 2expert mlp random: best==last==step1000 (val SR 0.758)

add single-expert global_step_400

add single-expert best_val (step620 succ0.828)

add single-expert global_step_1000

initial commit