feat(studio): add Object Designer protocol schemas with field editor, relationship mapper, ER diagram, and object manager specs

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/spec/src/studio/index.ts

@@ -7,6 +7,8 @@
  * 
  * Defines the extension model that allows metadata types to contribute
  * custom viewers, designers, sidebar groups, actions, and commands.
+ * Also includes the Object Designer protocol for visual field editing,
+ * relationship mapping, and ER diagram configuration.
  */
 
 export {
@@ -38,3 +40,44 @@ export {
   // Helpers
   defineStudioPlugin,
 } from './plugin.zod';
+
+export {
+  // Object Designer Schemas
+  FieldPropertySectionSchema,
+  FieldGroupSchema,
+  FieldEditorConfigSchema,
+  RelationshipDisplaySchema,
+  RelationshipMapperConfigSchema,
+  ERLayoutAlgorithmSchema,
+  ERNodeDisplaySchema,
+  ERDiagramConfigSchema,
+  ObjectListDisplayModeSchema,
+  ObjectSortFieldSchema,
+  ObjectFilterSchema,
+  ObjectManagerConfigSchema,
+  ObjectPreviewTabSchema,
+  ObjectPreviewConfigSchema,
+  ObjectDesignerDefaultViewSchema,
+  ObjectDesignerConfigSchema,
+
+  // Object Designer Types
+  type FieldPropertySection,
+  type FieldGroup,
+  type FieldEditorConfig,
+  type RelationshipDisplay,
+  type RelationshipMapperConfig,
+  type ERLayoutAlgorithm,
+  type ERNodeDisplay,
+  type ERDiagramConfig,
+  type ObjectListDisplayMode,
+  type ObjectSortField,
+  type ObjectFilter,
+  type ObjectManagerConfig,
+  type ObjectPreviewTab,
+  type ObjectPreviewConfig,
+  type ObjectDesignerDefaultView,
+  type ObjectDesignerConfig,
+
+  // Object Designer Helpers
+  defineObjectDesignerConfig,
+} from './object-designer.zod';