Potential fix for pull request finding 'Unused local variable'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>

Author: mnriem

src/specify_cli/integrations/copilot/__init__.py

@@ -193,7 +193,7 @@ def dispatch_command(
 
         cli_args = ["copilot", "-p", prompt]
         if not skills_mode:
-            cli_args.extend(["--agent", f"speckit.{stem}"])
+            cli_args.extend(["--agent", agent_name])
         if _allow_all():
             cli_args.append("--yolo")
         if model: