refactor(config): migrate C4 integrations call sites to self-identifying guard

functions/split.fish

@@ -4,6 +4,9 @@
 # CATEGORY
 #   08-terminal-management
 #
+# COMPONENT
+#   integrations/window-mgmt
+#
 # SYNOPSIS
 #   split [-h | -v] [command...]
 #
@@ -27,7 +30,7 @@
 #   split -v nvim README.md
 function split --description 'Run a command in a new terminal split'
     # Opinionated guard (C4): integrations disabled
-    if not __fish_config_op_enabled __fish_config_op_integrations
+    if not __fish_config_op_enabled (status current-function)
         set -l c_err (set_color red)
         set -l c_reset (set_color normal)
         echo "$c_err"'split: disabled by __fish_config_op_integrations'"$c_reset" >&2