Handbook
PoC — Proof of Concept
Time-boxed validation slice — often packaged as a Product Spark type, not a Forge Spark task label.
What it is
Product-level PoC in planning/PLANNING-FLOW.md. Distinct from exploration/discipline spike.
When people say this
When scoping earliest shippable learning for investors or Assay Gate evidence.
Where it lives
blueprints/sdlc/methodologies/forge/planning/
How it fits the ecosystem
Aliases: release slice, product increment for Product Spark family.
Typical usage in plans and chat
Do not label a learning spike as PoC if it is spike_discipline work — see DISCIPLINE-SPIKE.md.
Do not confuse with
MVP Product-Spark
Related terms
Term page — canonical catalog entry poc.