diff --git a/action.yml b/action.yml
index 8fb4dfa..920e284 100644
--- a/action.yml
+++ b/action.yml
@@ -15,8 +15,7 @@ runs:
         apt-get update
         apt-get install -y --no-install-recommends gettext-base jq ansifilter
         npm install -g @openai/codex
-
-    - name: Run Codex Bot
+    - name: Run Codex
       shell: bash
       run: bash "${ACTION_PATH}/scripts/run-codex.sh"
       env:
@@ -26,4 +25,4 @@ runs:
         GITEA_TOKEN: ${{ inputs.gitea-token }}
         EVENT_NAME: ${{ gitea.event_name }}
         ISSUE_INDEX: ${{ gitea.event.issue.number || gitea.event.pull_request.number }}
-        COMMENT_BODY: ${{ gitea.event.comment.body }}
+        COMMENT: ${{ toJSON(gitea.event.comment || gitea.event.review) }}
diff --git a/scripts/prompt.md b/scripts/prompt.md
index 6044bd2..7a63c2f 100644
--- a/scripts/prompt.md
+++ b/scripts/prompt.md
@@ -14,8 +14,8 @@ fix the findings. Otherwise, do not mention `@bot`. For UI changes, check that
 the result is aligned, clean, and pixel-perfect, and that included screenshots
 prove the intended result was achieved.
 
-For an `issue_comment` event, treat the triggering comment body below as the
-user's exact instruction.
+For an `issue_comment` or `pull_request_review_comment` event, treat the `body`
+in the triggering comment payload below as the user's exact instruction.
 
 Install missing tools yourself when needed, including Rust, uv, Node, Deno, or
 system packages.
@@ -37,10 +37,10 @@ for Gitea Actions CI to complete, and fix any failures.
 If you modify UI code, include Playwright screenshots in your PR or issue
 comments. If you need UI clarification, ask with screenshots when helpful.
 
-# Comment body
+# Comment payload
 
 ```
-${COMMENT_BODY}
+${COMMENT}
 ```
 
 # Full issue comment history