Code clean up
Squashed 'lib/aihrus/' content from commit 3da6248

git-subtree-dir: lib/aihrus
git-subtree-split: 3da6248330a65a4b87e6d4355a0b930622d34211
Merge commit '32c71884d4dc0cb0b67b75f7af8bc91ab9cad92c' as 'lib/aihrus'