Origin

Dependency-free leaf src/0. Fold = identity.

KERNEL_SEALED: true

Boundary: exact fold math; refused Clay/FTL/Payload.

Receipt: 06189e3d-48f2-82e6-95c5-92f273ff8261 · set 0eed975c-2b44-87d3-b56b-3fea8ab14f83