add experimental features flag to be only accessible in core config

docs/source/configurable.rst

@@ -92,6 +92,7 @@ such as ``show_100_pass_modules``.
 * ``verbose`` - Degree of verbosity (values above 0 are experimental, the report & log are authoritative)
 * ``narrow_output`` - Support output on narrower CLIs
 * ``show_z`` - Display Z-scores and visual indicators on CLI. It's good, but may be too much info until one has seen garak run a couple of times
+* ``enable_experimental`` - Enable experimental function CLI flags. Disabled by default. Experimental functions may disrupt your installation and provide unusual/unstable results. Can only be set by editing core config, so a git checkout of garak is recommended for this.
 
 ``run`` config items
 """"""""""""""""""""

garak/cli.py

@@ -247,6 +247,11 @@ def main(arguments=None) -> None:
         help="Launch garak in interactive.py mode",
     )
 
+    ## EXPERIMENTAL FEATURES
+    if _config.system.enable_experimental:
+        # place parser argument defs for experimental features here
+        pass
+
     logging.debug("args - raw argument string received: %s", arguments)
 
     args = parser.parse_args(arguments)

garak/resources/garak.core.yaml

@@ -6,6 +6,7 @@ system:
   parallel_attempts: false
   lite: true
   show_z: false
+  enable_experimental: false
 
 run:
   seed: