Real T3 Code dev-server reproduction; fresh synthetic repositories and databases.
Browser: Chromium, light theme, 1280 x 800 CSS pixels; captures cropped identically to conversation.
Attribution config: {"attribution": {"attributeCommitsToAgent": false, "attributePRsToAgent": false}}
Prompt: Stage hello.txt and commit it with a concise commit message. Do not change the file contents.

BASE b3fdf2b10fb92e5dbc71a83381c602a8a464bbca
$ git log -1 --format=%B
Add hello.txt.

Co-authored-by: Cursor <cursoragent@cursor.com>


$ git status --porcelain

$ git show HEAD:hello.txt
Hello attribution


HEAD 83002caa2bdea008dd5a895439811937516f6e1d
$ git log -1 --format=%B
Add hello.txt.


$ git status --porcelain

$ git show HEAD:hello.txt
Hello attribution