# Spec lineage manifest Policy: [living spec / flow forward / flow back] | Artifact | Revision | Derived from | Status after change | Evidence | | --- | --- | --- | --- | --- | | Specification | | | | | | Plan | | | | | | Tasks | | | | | | Checks | | | | | Change summary: Required review stops: This blank worksheet records declared lineage. It does not prove that an upstream tool generated, reviewed, or executed any artifact.