Update field-selection v4 preferences

Add field selection v1 eval

Add field selection v4 preference data

Upload preferences/overrefusal_v3_pairs.jsonl with huggingface_hub

Upload sft/overrefusal_v3_messages.jsonl with huggingface_hub

Add hard v2 abstention eval

Add overrefusal v2 preference data

Add overrefusal v2 SFT data

Add hard abstention eval

Fix eval v2 train duration answer

Add abstention eval v2

Add abstention seed datasets

initial commit