fix: rename ambiguous variable 'l' to 'layer' (ruff E741)

Author: mnriem

src/specify_cli/presets.py

@@ -628,7 +628,7 @@ def _reconcile_composed_commands(self, command_names: List[str]) -> None:
             if not layers:
                 continue
 
-            has_composition = any(l["strategy"] != "replace" for l in layers)
+            has_composition = any(layer["strategy"] != "replace" for layer in layers)
             if not has_composition:
                 # Pure replace — the top layer wins.
                 top_layer = layers[0]