The Artifact Icons — 1 px line-art, optional red focal dot
Topo map lines Obs. Post Topo Map
Compass SEO / AEP Compass
Rotary phone Service Rotary
Metronome Integrations Metronome
Engine   Engine
Suspension bridge Tension Bridge Bridge

Hard rule: abstract tech shapes (clouds, gears, generic nodes) are forbidden. Replace with literal vintage artifacts. Lucide is the sanctioned CDN fallback for utility UI. Pending: monocle artifact not yet in asset library.