Remove old data/ and trajectories/ dirs (moved to root)

Move trajectories.jsonl to root for HF viewer

Move benchmark.jsonl to root for HF viewer

Move test.jsonl to root for HF viewer

Move validation.jsonl to root for HF viewer

Move train.jsonl to root for HF viewer

Move JSONL files to root for HF dataset viewer auto-detection

Add explicit configs block + fix manifest path ref in README so HF viewer auto-detects splits

Remove examples/ template folder

Release v1.2.0: SecureCodePairs (470 code pairs + 30 LLM security trajectories)

Release v1.2.0: SecureCodePairs (470 code pairs + 30 LLM security trajectories)

initial commit