Replace benchmark_v2/task3_temporal_generalization/test.jsonl: drop legacy title/split fields

Replace benchmark_v2/task3_temporal_generalization/val.jsonl: drop legacy title/split fields

Replace benchmark_v2/task3_temporal_generalization/train.jsonl: drop legacy title/split fields

Replace benchmark_v2/task1_cve_linkage/test.jsonl: drop legacy title/split fields

Replace benchmark_v2/task1_cve_linkage/val.jsonl: drop legacy title/split fields

Replace benchmark_v2/task1_cve_linkage/train.jsonl: drop legacy title/split fields

Remove stale task2_signal_detection (replaced by task2_exploit_type)

Add benchmark_v2/task2_exploit_type/meta.json

Add benchmark_v2/task2_exploit_type/test.jsonl

Add benchmark_v2/task2_exploit_type/val.jsonl

Add benchmark_v2/task2_exploit_type/train.jsonl

Clean up Task 2 results (remove DeBERTa error)

Fix Task 2 split counts in meta

Upload benchmark_v2/dense_results_minilm.json with huggingface_hub

Upload benchmark_v2/bm25_results.json with huggingface_hub

Remove intermediate Task 3 CVE files

Upload benchmark_v2/task2_signal_detection/test.jsonl with huggingface_hub

Upload benchmark_v2/task2_signal_detection/val.jsonl with huggingface_hub

Upload benchmark_v2/task2_signal_detection/train.jsonl with huggingface_hub

Upload folder using huggingface_hub