fix(webhook):with Issue.IsPullRequest()

Author: luoliwoshang

internal/webhook/handler.go

@@ -203,7 +203,7 @@ func (h *Handler) handleIssueComment(ctx context.Context, w http.ResponseWriter,
 	// Handle /code command for Issues only (not for PRs)
 	if strings.HasPrefix(comment, "/code") {
 		// Check if this is a PR comment, ignore if it is
-		if event.Issue.PullRequestLinks != nil {
+		if event.Issue.IsPullRequest() {
 			log.Infof("Ignoring /code command in PR #%d (use /continue or /fix instead)", issueNumber)
 			w.WriteHeader(http.StatusOK)
 			w.Write([]byte("/code command is not supported in PRs, use /continue or /fix instead"))