Fix: Pass correct branch names to MCP file ops server (#279)

* Reapply "feat: defer remote branch creation until first commit (#244)" (#278)

This reverts commit 018533dc9a.

* fix branch names

src/entrypoints/update-comment-link.ts

@@ -201,7 +201,7 @@ async function run() {
       jobUrl,
       branchLink,
       prLink,
-      branchName: shouldDeleteBranch ? undefined : claudeBranch,
+      branchName: shouldDeleteBranch || !branchLink ? undefined : claudeBranch,
       triggerUsername,
       errorDetails,
     };