Content pillars

Use pillars when the lifecycle phase is not the right entry — e.g. "everything about security" spans Plan through Operate.

Pillar	Concern	Hub
Delivery	Planning, specs, AI-assisted coding, governance	Delivery →
Quality	Testing, linters, guardrails, monitoring-as-QA	Quality →
Platform	CI/CD, runtime AWS, deploy mechanics	Platform →
Data & security	Classification, IAM, secrets, AI data policy	Data & security →
Operations	Observability, dashboards, incidents	Operations →

vs lifecycle

Navigate by…	When
Lifecycle	"What happens in this phase?"
Pillars	"Everything about this concern"
Role	"What do I care about?"