12. Platform-Specific Mapping

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At the PSM level, the DDS implementation may represent the plane through topics and IDL types. Candidate topics include the items in Table 1:

Table 12-1: Candidate DDS topics for the Cost Recovery, Compensation, and Settlement Plane

Topic	Purpose
Cost.Work.Performed	Records governed work performed by a Node
Cost.Work.Evidence	Links work records to evidence references
Cost.Provider.Qualification	Records which Nodes may perform which work types
Cost.Compensation.Claim	Publishes compensation claims
Cost.Settlement.Instruction	Publishes accounting or settlement instructions
Cost.NonPerformance.Alert	Reports required work without required evidence
Cost.Rule.Version	Publishes the applicable version of cost rules

These topics shall use governed identifiers, policy references, evidence references, and classification metadata. They shall not contain full transaction payloads unless a specific policy authorizes that exposure.