shopfloor dashboard: Verdana font + full left-edge type-color bar

Switch the dashboard to Verdana (system font on the Windows kiosks - built for
on-screen distance reading, zero bundle) and drop the Archivo package. Restyle
the event card's type-color indicator to span the whole left edge of the card
(old-site style) instead of a small pill.

frontend/src/main.js

@@ -5,9 +5,6 @@ import App from './App.vue'
 
 // Locally-bundled Inter (air-gap safe, no Google Fonts fetch)
 import '@fontsource-variable/inter'
-// Archivo: display/signage font used on the shopfloor dashboard for
-// distance readability on TVs (air-gap safe, bundled).
-import '@fontsource-variable/archivo'
 
 // Initialize theme on app load
 import './stores/theme'