The Search module from CMS core allows to limit the Content type and is quite suitable for use, the settings are available for understanding. The form is added to the pages like other blocks /...
I played around with metatags and when i revisited those pages they now have description metatags. Not sure what the initial problems were though. Sorry for the time waste.
Layout is not Content, it is not used to create pages, so I think you have chosen the wrong way. To avoid problems, just need to use every tool for its own purpose. This is not a direct answer,...
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I'd like to have a discussion with other linux users in the Backdrop community about their tools and workflows.
Favorite open source linux applications.
Possibly related to @stpaultim's suggestion - command line tools - given Drush 8's end of life seems to be tied to D7 should we focus more on Bee?