specs/openspec/schemas/wealth-ledger-sdd-lab/templates/data-mapping.md

Data Mapping

Source and Target

Mapping	Source (owner)	Target (owner)	Direction	Trigger

Field Mapping

Target field	Source field(s)	Transformation	Unit / currency / scale	Nullability	Default	Validation	On failure

Invariants

Double-counting and Classification Risks

Transformation Errors

Open Questions