Sort the backlog

Triage moves each ticket through plain states, then writes the brief an agent works from.

needs-triage needs-info ready-for-agent ready-for-human wontfix
Agent brief #0002ready-for-agent
Goal
Show the item's details in the redesigned layout.
Acceptance
Every detail field renders in the new layout.
A missing item shows a friendly message.
A test covers an item with no location set.
An agent builds straight from this brief, with you away from the keyboard.