Standardized YAML frontmatter on all 115 sprint briefing files across
sprints 1-26 with title, description, type, status, sprint number, and
team fields.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Server (6 tickets): template role/spatial/ownership schemas, triangle
definition, generation, and escalation. Client (4 tickets): code quality
refactors from review pass. Planning (1 ticket): #153 station district
layout design discussion with purpose-assembled agent panel.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>