Jun 7

1. 23:24

   cleanup: remove old ssad/promptfree (renamed to emotionfree)

   humanlong
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   4ac7342
2. 23:24

   Rename: prompt-free -> emotion-free (more accurate baseline name)

   humanlong
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   89ab86b
3. 23:18

   Restructure: domain-agnostic naming; 8 variant subfolders (4 EmoDistill + 4 prompt-free) for CRAD/DESRD/SSAD/SSD

   humanlong
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   f3e0310