Use codex-utils-template for review exit XML (#15999)

codex-rs/core/src/tasks/review.rs

@@ -14,6 +14,7 @@ use codex_protocol::protocol::ExitedReviewModeEvent;
 use codex_protocol::protocol::ItemCompletedEvent;
 use codex_protocol::protocol::ReviewOutputEvent;
 use codex_protocol::protocol::SubAgentSource;
+use codex_utils_template::Template;
 use tokio_util::sync::CancellationToken;
 
 use crate::codex::Session;
@@ -25,10 +26,16 @@ use crate::review_format::render_review_output_text;
 use crate::state::TaskKind;
 use codex_features::Feature;
 use codex_protocol::user_input::UserInput;
+use std::sync::LazyLock;
 
 use super::SessionTask;
 use super::SessionTaskContext;
 
+static REVIEW_EXIT_SUCCESS_TEMPLATE: LazyLock<Template> = LazyLock::new(|| {
+    Template::parse(crate::client_common::REVIEW_EXIT_SUCCESS_TMPL)
+        .unwrap_or_else(|err| panic!("review exit success template must parse: {err}"))
+});
+
 #[derive(Clone, Copy)]
 pub(crate) struct ReviewTask;
 
@@ -220,8 +227,7 @@ pub(crate) async fn exit_review_mode(
             let block = format_review_findings_block(&out.findings, /*selection*/ None);
             findings_str.push_str(&format!("\n{block}"));
         }
-        let rendered =
-            crate::client_common::REVIEW_EXIT_SUCCESS_TMPL.replace("{results}", &findings_str);
+        let rendered = render_review_exit_success(&findings_str);
         let assistant_message = render_review_output_text(&out);
         (rendered, assistant_message)
     } else {
@@ -271,3 +277,23 @@ pub(crate) async fn exit_review_mode(
     // file creation + git metadata collection cannot delay client-facing items.
     session.ensure_rollout_materialized().await;
 }
+
+fn render_review_exit_success(results: &str) -> String {
+    REVIEW_EXIT_SUCCESS_TEMPLATE
+        .render([("results", results)])
+        .unwrap_or_else(|err| panic!("review exit success template must render: {err}"))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::render_review_exit_success;
+    use pretty_assertions::assert_eq;
+
+    #[test]
+    fn render_review_exit_success_replaces_results_placeholder() {
+        assert_eq!(
+            render_review_exit_success("Finding A\nFinding B"),
+            "<user_action>\n  <context>User initiated a review task. Here's the full review output from reviewer model. User may select one or more comments to resolve.</context>\n  <action>review</action>\n  <results>\n  Finding A\nFinding B\n  </results>\n  </user_action>\n"
+        );
+    }
+}

codex-rs/core/templates/review/exit_success.xml

@@ -2,7 +2,6 @@
   <context>User initiated a review task. Here's the full review output from reviewer model. User may select one or more comments to resolve.</context>
   <action>review</action>
   <results>
-  {results}
+  {{results}}
   </results>
   </user_action>
-