2d. Contextual buttons

Citekey pages

For citekey pages (starting with @), a full on-page menu will be displayed at the top.

Daily Notes pages

DNPs will show a "XX items added" button if any items were added to Zotero on that day

All other pages

"XX tagged items" = item's tags include 'systems' // "YY abstracts" = item's abstract contains 'systems'

Settings

Rules can be written to specify on which pages the on-page menu/contextual buttons should be displayed. Read how to set a display trigger for more information.