A technical architecture diagram in the style of a dark-theme code editor. Dark navy background (#070d1c). Three stacked horizontal tier boxes with teal/cyan borders and small-caps tier labels, connected by downward arrows with short italic labels. Monospace font throughout. No photorealism.

Top box — label "DOMAIN LAYER":
Contents in two columns:
Left: "Collections" with bullet list: search-campaign, shortlist, watchlist
Right: "Entities · Relations" with bullet list: person, company, role — connected by "works-at", "applied-to", "interviewed-by"
Small flat icons inline: person silhouette, building, briefcase

Downward arrow labeled "supports definition of"

Middle box — label "INFORMATION LAYER":
Contents: "Artifacts" — job-posting PDF, LinkedIn page, email thread. "Fragments" — extracted requirements, salary range, company summary.
Small flat icons inline: document, globe, envelope

Downward arrow labeled "informs"

Bottom box — label "NOTES LAYER [LLM output]":
Contents: fit-analysis-note, skill-gap-note, interview-debrief-note
Three small card outlines with short italic text snippets inside each

Overall aesthetic: teal borders, monospace text, minimal flat icons, dark terminal feel. 16:9 aspect ratio, suitable for a presentation slide.
