Studio persistence v2 spec (#2404)

* Initial commit

* initial commit

* Added persistence V2 spec

* Minor fixes + Added studio round trip test

* Added persistence v2 unitemporal/bitemporal spec tests

Added persistence unitemporal/bitmporal spec tests

* Refactoring + Added roundtrip tests

* Create lemon-zebras-talk.md

* Create modern-adults-play.md

* Updated _type for SourceTimeFields and AppendStrategy per latest lenged-engine spec finos/legend-engine#1998

* Deleted redundant changeset file

* lint fixes + added tests for persistent test spec

.changeset/modern-adults-play.md

@@ -0,0 +1,5 @@
+---
+'@finos/legend-extension-dsl-persistence': patch
+---
+
+Added persistence V2 spec

packages/legend-extension-dsl-persistence/src/graph-manager/__tests__/DSL_Persistence_Roundtrip.test.ts

@@ -28,6 +28,11 @@ import {
 } from '@finos/legend-graph/test';
 import { unitTest } from '@finos/legend-shared/test';
 import type { Entity } from '@finos/legend-storage';
+import {
+  TEST_DATA__roundtrip_append_only_allow_duplicates,
+  TEST_DATA__roundtrip_bitemporal_no_del_ind_user_specifies_from,
+  TEST_DATA__roundtrip_non_temporal_snapshot_date_time_audit,
+} from './TEST_DATA_DSL_PersistenceV2_Roundtrip.js';
 
 const pluginManager = new TEST__GraphManagerPluginManager();
 pluginManager
@@ -51,3 +56,18 @@ test(unitTest('DSL Persistence roundtrip'), async () => {
     pluginManager,
   );
 });
+
+test(unitTest('DSL Persistence V2 roundtrip'), async () => {
+  await TEST__checkBuildingElementsRoundtrip(
+    TEST_DATA__roundtrip_append_only_allow_duplicates as Entity[],
+    pluginManager,
+  );
+  await TEST__checkBuildingElementsRoundtrip(
+    TEST_DATA__roundtrip_bitemporal_no_del_ind_user_specifies_from as Entity[],
+    pluginManager,
+  );
+  await TEST__checkBuildingElementsRoundtrip(
+    TEST_DATA__roundtrip_non_temporal_snapshot_date_time_audit as Entity[],
+    pluginManager,
+  );
+});