- Updated all 23 skill org files to use absolute path
- Tangle now outputs directly to ~/.local/share/opencortex/skills/
- Removed env var (org-babel doesn't expand it)
- Updated all 22 skill org files to use $OC_DATA_DIR/skills/ paths
- Removed manually created .lisp file (tangling now targets XDG)
- Files will now tangle to ~/.local/share/opencortex/skills/