Remove empty XML tags in Issue context to reduce token usage (#369)

* chore: remove empty xml tags

* format

src/create-prompt/index.ts

@@ -587,23 +587,28 @@ ${formattedBody}
 ${formattedComments || "No comments"}
 </comments>
 
-<review_comments>
-${eventData.isPR ? formattedReviewComments || "No review comments" : ""}
-</review_comments>
+${
+  eventData.isPR
+    ? `<review_comments>
+${formattedReviewComments || "No review comments"}
+</review_comments>`
+    : ""
+}
 
-<changed_files>
-${eventData.isPR ? formattedChangedFiles || "No files changed" : ""}
-</changed_files>${imagesInfo}
+${
+  eventData.isPR
+    ? `<changed_files>
+${formattedChangedFiles || "No files changed"}
+</changed_files>`
+    : ""
+}${imagesInfo}
 
 <event_type>${eventType}</event_type>
 <is_pr>${eventData.isPR ? "true" : "false"}</is_pr>
 <trigger_context>${triggerContext}</trigger_context>
 <repository>${context.repository}</repository>
-${
-  eventData.isPR
-    ? `<pr_number>${eventData.prNumber}</pr_number>`
-    : `<issue_number>${eventData.issueNumber ?? ""}</issue_number>`
-}
+${eventData.isPR && eventData.prNumber ? `<pr_number>${eventData.prNumber}</pr_number>` : ""}
+${!eventData.isPR && eventData.issueNumber ? `<issue_number>${eventData.issueNumber}</issue_number>` : ""}
 <claude_comment_id>${context.claudeCommentId}</claude_comment_id>
 <trigger_username>${context.triggerUsername ?? "Unknown"}</trigger_username>
 <trigger_display_name>${githubData.triggerDisplayName ?? context.triggerUsername ?? "Unknown"}</trigger_display_name>