WIP - add contct and contact details

backend/src/models/contact-detail.model.ts

@@ -4,10 +4,30 @@ export class ContactDetail extends BaseModel {
   static tableName = 'contact_details';
 
   id!: string;
-  relatedObjectType!: string;
+  relatedObjectType!: 'Account' | 'Contact';
   relatedObjectId!: string;
   detailType!: string;
   label?: string;
   value!: string;
   isPrimary!: boolean;
+
+  // Provide optional relations for each supported parent type.
+  static relationMappings = {
+    account: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'account.model',
+      join: {
+        from: 'contact_details.relatedObjectId',
+        to: 'accounts.id',
+      },
+    },
+    contact: {
+      relation: BaseModel.BelongsToOneRelation,
+      modelClass: 'contact.model',
+      join: {
+        from: 'contact_details.relatedObjectId',
+        to: 'contacts.id',
+      },
+    },
+  };
 }

backend/src/models/field-definition.model.ts

@@ -30,6 +30,8 @@ export interface UIMetadata {
   step?: number; // For number
   accept?: string; // For file/image
   relationDisplayField?: string; // Which field to display for relations
+  relationObjects?: string[]; // For polymorphic relations
+  relationTypeField?: string; // Field API name storing the selected relation type
   
   // Formatting
   format?: string; // Date format, number format, etc.