docs(readme): auto-sync becomes quick-start step 4 heading (#843)

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

README.md

@@ -82,15 +82,16 @@ codegraph init
 
 <sub>`codegraph init` creates the local `.codegraph/` directory and builds the full graph in the same step — one command, done.</sub>
 
-**From that moment the index keeps itself up to date — it is never stale.** CodeGraph watches the project and auto-syncs on every file change: while your agent edits code, or you add, modify, or delete files, the graph updates automatically. There is nothing to re-run.
-
-
 <div align="center">
 
 ![1_C_VYnhpys0UHrOuOgpgoyw](https://github.com/user-attachments/assets/f168182f-4d9a-44e0-94d7-08d018cc8a3a)
 
 </div>
 
+### 4. No more syncing!
+
+Auto-sync is enabled by default. CodeGraph watches the project and updates the graph on every file change — while your agent edits code, or you add, modify, or delete files. **The index is never stale, and there is nothing to re-run.**
+
 ### Uninstall
 
 Changed your mind? One command removes CodeGraph from every agent it configured: