docs(config-settings): fix stale __config_toggle_* references in helper docstrings

functions/__config_settings_apply.fish

@@ -2,11 +2,11 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 # SYNOPSIS
-#   __config_toggle_apply <varname> <scope> <value>
+#   __config_settings_apply <varname> <scope> <value>
 #
 # DESCRIPTION
 #   Applies a state value to an opinionated-component variable in the given
-#   scope, immediately and persistently. Used by config-toggle's Left/Right
+#   scope, immediately and persistently. Used by config-settings's Left/Right
 #   (and vim h/l) directional handlers so the set/erase logic lives in one
 #   place. A value of "DEFAULT" erases the variable in that scope so the
 #   master switch / built-in default takes over again.
@@ -17,7 +17,7 @@
 # ARGUMENTS
 #   varname  Variable name without the $ prefix
 #   scope    "universal" or "session"
-#   value    "on", "off", or "DEFAULT"
+#   value    "on", "off", "DEFAULT", or any arbitrary string (universal scope only)
 #
 # RETURNS
 #   0  Always
@@ -33,7 +33,7 @@ function __config_settings_apply
     # stderr is suppressed because setting a value in one scope while the
     # other scope already holds the same variable makes interactive fish
     # emit a shadowing warning ("set: successfully set universal 'X'; but a
-    # global by that name shadows it"). config-toggle intentionally edits
+    # global by that name shadows it"). config-settings intentionally edits
     # both scopes independently, so the warning is expected noise — and if
     # it reached the terminal it would push the cursor down a row and
     # corrupt the in-place panel redraw (leaving a stacked top border

functions/__config_settings_draw.fish

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 # SYNOPSIS
-#   __config_toggle_draw <cur_row> <cur_scope> <var1> ... <var8>
+#   __config_settings_draw <cur_row> <cur_scope> <var1> ... <var8>
 #
 # DESCRIPTION
 #   Renders the 16-line config-toggle TUI panel to stdout. Panel width and

functions/__config_settings_get_val.fish

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 # SYNOPSIS
-#   __config_toggle_get_val <varname> <scope>
+#   __config_settings_get_val <varname> <scope>
 #
 # DESCRIPTION
 #   Returns the current value of a named variable in the specified scope by

functions/__config_settings_read_key.fish

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 # SYNOPSIS
-#   __config_toggle_read_key
+#   __config_settings_read_key
 #
 # DESCRIPTION
 #   Reads a single keypress directly from the controlling terminal in raw