feat(core-dsr): Payload impls, recording doubles, DI binders, contract tests

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/core-dsr/src/index.ts

@@ -14,3 +14,24 @@ export type { IDataExport } from "./data-export.interface";
 export type { IDataDelete } from "./data-delete.interface";
 export type { IDataRectify } from "./data-rectify.interface";
 export type { IProcessingRestriction } from "./processing-restriction.interface";
+
+export type {
+  DsrSubjectLinkKind,
+  DsrSubjectLinkage,
+  DsrCollectionCustom,
+  FieldPii,
+} from "./dsr-collection-custom";
+
+export { PayloadDataExport } from "./payload-data-export";
+export { PayloadDataDelete } from "./payload-data-delete";
+export { PayloadDataRectify } from "./payload-data-rectify";
+export { PayloadProcessingRestriction } from "./payload-processing-restriction";
+
+export { InMemoryDataExport } from "./in-memory-data-export";
+export { InMemoryDataDelete } from "./in-memory-data-delete";
+export { InMemoryDataRectify } from "./in-memory-data-rectify";
+export { InMemoryProcessingRestriction } from "./in-memory-processing-restriction";
+
+export { bindProductionDsr } from "./di/bind-production";
+export type { DsrBinding, BindProductionDsrOpts } from "./di/bind-production";
+export { bindDevSeedDsr } from "./di/bind-dev-seed";