Replace copy button with a save button

Remove .env from Docker image, replace copy button with save

Remove line coverage metric

Broaden line-reference extraction for coverage metric

Fix line coverage regex and add debug logging

Remove Share on X button, add review quality metrics bar

Add Share on X button after review completes

Add brutality selector, issue badge, and copy review button

Add Verdicts tab with Linus/Donald/Bjarne opinions

Add sample files from popular open-source projects

Initial deployment