diff --git a/scripts/prompt.md b/scripts/prompt.md
index d1d8582..d2564d2 100644
--- a/scripts/prompt.md
+++ b/scripts/prompt.md
@@ -10,8 +10,10 @@ Install missing tools yourself when needed, including Rust, uv, Node, Deno, or
 system packages.
 
 Prefer minimal, correct changes. Run relevant checks or tests if practical.
-Commit your changes locally. Do not expose secrets. Finish by reporting what
-changed and what tests ran.
+Treat code changes as a request to create a pull request. If a prior Codex pull
+request already exists for this issue, update that same pull request instead of
+creating a new one. Finish by reporting what changed and what tests ran. Wait
+for Gitea Actions CI to complete, and fix any failures.
 
 # Comment body
 
@@ -23,4 +25,4 @@ ${COMMENT_BODY}
 
 ```
 ${ISSUE_COMMENTS}
-```
\ No newline at end of file
+```