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

This reverts commit cefe963a6b.

src/entrypoints/prepare.ts

@@ -12,6 +12,7 @@ import { checkHumanActor } from "../github/validation/actor";
 import { checkWritePermissions } from "../github/validation/permissions";
 import { createInitialComment } from "../github/operations/comments/create-initial";
 import { setupBranch } from "../github/operations/branch";
+import { updateTrackingComment } from "../github/operations/comments/update-with-branch";
 import { configureGitAuth } from "../github/operations/git-config";
 import { prepareMcpConfig } from "../mcp/install-mcp-server";
 import { createPrompt } from "../create-prompt";
@@ -66,7 +67,17 @@ async function run() {
     // Step 8: Setup branch
     const branchInfo = await setupBranch(octokit, githubData, context);
 
-    // Step 9: Configure git authentication if not using commit signing
+    // Step 9: Update initial comment with branch link (only for issues that created a new branch)
+    if (branchInfo.claudeBranch) {
+      await updateTrackingComment(
+        octokit,
+        context,
+        commentId,
+        branchInfo.claudeBranch,
+      );
+    }
+
+    // Step 10: Configure git authentication if not using commit signing
     if (!context.inputs.useCommitSigning) {
       try {
         await configureGitAuth(githubToken, context, commentData.user);
@@ -76,7 +87,7 @@ async function run() {
       }
     }
 
-    // Step 10: Create prompt file
+    // Step 11: Create prompt file
     await createPrompt(
       commentId,
       branchInfo.baseBranch,
@@ -85,7 +96,7 @@ async function run() {
       context,
     );
 
-    // Step 11: Get MCP configuration
+    // Step 12: Get MCP configuration
     const additionalMcpConfig = process.env.MCP_CONFIG || "";
     const mcpConfig = await prepareMcpConfig({
       githubToken,