Covers the questions hub: answers post against the asking session's run, the card header jumps into that session, answered cards collapse to a ✓ line while failed posts leave the gate open, the Autopilot countdown never runs, and the jump-nav appears only with more than one question.

## Before writing SPEC.md files

Read https://raw.githubusercontent.com/brillout/sdd/refs/heads/main/sdd.md
