Fix annotation errors: Real2 train image paths All_Samples/ -> Real_2_UAVs/Samples/; Sim6 train options list -> dict {A..D}; Sim3 test unwrap results into plain list; drop malformed (empty/multi-letter) correct_answer items

Update train splits: remove train/test leakage (dedup + label-conflict records)

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

initial commit