110 - Feature Overview

Produce D10-feature-overview.md: a concise plan that organizes work into thin vertical slices grouped under customer-facing capabilities.

This document captures what needs to be built and why it matters, not how to build it.

Output path: .specflow/docs/D10-feature-overview.md

Required Inputs

Before proceeding, confirm:

1. Scope — full product or a bounded product area
2. Existing architecture docs — minimum D01 and D02; D03-D08 help when present
3. Known features or priorities — anything already named or ranked by the user