key_config.cpp i keys.yaml per a centralitzar i no hardcodejar tecles

data/console/commands.yaml

@@ -182,7 +182,7 @@ categories:
       - keyword: HELP
         handler: cmd_help
         description: "Show this help"
-        usage: "HELP [<command>]"
+        usage: "HELP [KEYS [scope]|<command>]"
         dynamic_completions: true
 
       - keyword: "?"