SDLC blueprint

Spiral Model — deep-dive package (blueprint)

**Purpose:** Prescriptive detail for teams using **risk-driven spiral** development alongside this blueprint: **foundation fit**, **roles**, **ceremonies** (risk reviews, anchor-point milestones), and

Spiral Model — deep-dive package (blueprint)

Purpose: Prescriptive detail for teams using risk-driven spiral development alongside this blueprint: foundation fit, roles, ceremonies (risk reviews, anchor-point milestones), and process maps.

Executive summary + diagram: https://forgesdlc.com/methodologies-spiral.html · Boehm, IEEE Computer 1988.

Related: Ceremony fork · Methodology bridge · Phased delivery (comparison)

Canonical source

Edit https://github.com/autowww/blueprints/blob/main/sdlc/methodologies/spiral/README.md first; regenerate with docs/build-handbook.py.