Tests the whole run flow offline: opt-in review loops driven by domain presets and build-event kinds, the agent's question gates (choices, multi-select, plan approval and decline) with headless fallbacks, budget and quota stops with resume notes, session links and usage totals, backlog and chat phases, hand-off runs ending at the hand-off, and resuming a stopped leg verbatim.

## Before writing SPEC.md files

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