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

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

packages/core-testing/src/instrumentation/index.ts

@@ -15,3 +15,19 @@ export {
   RecordingConsent,
   type RecordedConsentGrant,
 } from "./recording-consent";
+export {
+  RecordingDataExport,
+  type RecordedExportCall,
+} from "./recording-data-export";
+export {
+  RecordingDataDelete,
+  type RecordedDeleteCall,
+} from "./recording-data-delete";
+export {
+  RecordingDataRectify,
+  type RecordedRectifyCall,
+} from "./recording-data-rectify";
+export {
+  RecordingProcessingRestriction,
+  type RecordedRestrictionSet,
+} from "./recording-processing-restriction";