style: fix f-string formatting in _reregister_extension_commands

Co-authored-by: mnriem <15701806+mnriem@users.noreply.github.com>
Agent-Logs-Url: https://github.com/github/spec-kit/sessions/32e470fc-6bf5-453c-bf6c-79a8521efa56

Author: Copilot

src/specify_cli/__init__.py

@@ -2713,8 +2713,9 @@ def _reregister_extension_commands(project_path: Path, agent_id: str) -> List[Pa
                     created_files.append(p)
 
     if reregistered:
-        console.print(f"  [green]✓[/green] Re-registered {reregistered} extension command(s)"
-                       f" ({len(created_files)} file(s))")
+        console.print(
+            f"  [green]✓[/green] Re-registered {reregistered} extension command(s) ({len(created_files)} file(s))"
+        )
 
     return created_files