https://xeiaso.net/notes/2025/assisted-by-footer/

Assisted-by: Claude Sonnet 4 via Claude Code

diff --git a/ai/AI.md b/ai/AI.md
index d233be95..cb10f34f 100644
--- a/ai/AI.md
+++ b/ai/AI.md
@@ -43,12 +43,22 @@ claim. That was incorrect and should have been labeled.
 
 ## Writing
 
-- Never use the "**emphasis**: explanation" pattern in lists (bold text followed by colon and explanation)
+- Never use the "**emphasis**: explanation" pattern in lists (bold text
+  followed by colon and explanation)
 - Bold text in lists is acceptable in other contexts
 - Lists themselves are acceptable
 
 Read ~/.dotfiles/ai/writing.md for more writing guidelines.
 
+## Commit Messages
+
+When AI assists in crafting commit messages, include an "assisted-by" footer
+with model and tool:
+
+```
+Assisted-by: Claude Sonnet 4 via Claude Code
+```
+
 ## Ruby
 
 - Always use double quotes for strings