Brainstorming artifact: 5 HTML mockups comparing approaches to fill the
sparse right-hand space on /briefwechsel rows (reported by users as
"feels empty"):
1. Rich Rows — dense metadata, no images
2. Thumbnail Rows — PDF preview on the left
3. Master-Detail Split — list + persistent preview panel
4. Gallery Cards — grid of letter cards, album style
5. Person Dashboard — insights live on /persons/[id], not here
Picked: #2 (Thumbnail Rows) + #5 (Person Dashboard), followed up by
final specs in separate commit.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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