Write Story

Generate a branch story that serves as the single source of truth for PR content.

Agent Output Mapping

Story sections are populated from parallel agent outputs:

Agent	Sections	Fields
overview-writer	1, 2, 3	`overview`, `highlights[]`, `motivation`, `journey.mermaid`, `journey.summary`
section-reviewer	5, 6, 7, 8	`outcome`, `historical_analysis`, `concerns`, `ideas`
performance-analyst	9	metrics JSON + decision review markdown
release-readiness	10	`verdict`, `concerns[]`, `instructions.pre_release[]`, `instructions.post_release[]`

Section 4 (Changes) comes from archived tickets. Section 11 (Notes) is optional context.