Round 2: each agent read all four briefs and synthesized. Key convergences: the doors as load-bearing detail, Adams & Ford entry as mechanic, community warmth-without-origin. Nigel self-cut "memory-without-event" archetype. Paula revised tier 4 from "they know" to "they've stopped asking." Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>