WIP - do not display id on list views and correctly format datetime fields

backend/src/object/field-mapper.service.ts

@@ -79,6 +79,10 @@ export class FieldMapperService {
     const frontendType = this.mapFieldType(field.type);
     const isLookupField = frontendType === 'belongsTo' || field.type.toLowerCase().includes('lookup');
     
+    // Hide 'id' field from list view by default
+    const isIdField = field.apiName === 'id';
+    const defaultShowOnList = isIdField ? false : true;
+    
     return {
       id: field.id,
       apiName: field.apiName,
@@ -95,7 +99,7 @@ export class FieldMapperService {
       isReadOnly: field.isSystem || uiMetadata.isReadOnly || false,
       
       // View visibility
-      showOnList: uiMetadata.showOnList !== false,
+      showOnList: uiMetadata.showOnList !== undefined ? uiMetadata.showOnList : defaultShowOnList,
       showOnDetail: uiMetadata.showOnDetail !== false,
       showOnEdit: uiMetadata.showOnEdit !== false && !field.isSystem,
       sortable: uiMetadata.sortable !== false,
@@ -141,6 +145,7 @@ export class FieldMapperService {
       'boolean': 'boolean',
       'date': 'date',
       'datetime': 'datetime',
+      'date_time': 'datetime',
       'time': 'time',
       'email': 'email',
       'url': 'url',

frontend/components/fields/FieldRenderer.vue

@@ -85,9 +85,31 @@ const formatValue = (val: any): string => {
     case FieldType.BELONGS_TO:
       return relationshipDisplayValue.value
     case FieldType.DATE:
-      return val instanceof Date ? val.toLocaleDateString() : new Date(val).toLocaleDateString()
+      try {
+        const date = val instanceof Date ? val : new Date(val)
+        return date.toLocaleDateString(undefined, { 
+          year: 'numeric', 
+          month: '2-digit', 
+          day: '2-digit' 
+        })
+      } catch {
+        return String(val)
+      }
     case FieldType.DATETIME:
-      return val instanceof Date ? val.toLocaleString() : new Date(val).toLocaleString()
+      try {
+        const date = val instanceof Date ? val : new Date(val)
+        return date.toLocaleString(undefined, { 
+          year: 'numeric', 
+          month: '2-digit', 
+          day: '2-digit',
+          hour: '2-digit',
+          minute: '2-digit',
+          second: '2-digit',
+          hour12: false
+        })
+      } catch {
+        return String(val)
+      }
     case FieldType.BOOLEAN:
       return val ? 'Yes' : 'No'
     case FieldType.CURRENCY:

frontend/composables/useFieldViews.ts

@@ -20,6 +20,9 @@ export const useFields = () => {
     // Hide system fields and auto-generated fields on edit
     const shouldHideOnEdit = isSystemField || isAutoGeneratedField
     
+    // Hide 'id' field from list view by default (check both apiName and id field)
+    const shouldHideOnList = fieldDef.apiName === 'id' || fieldDef.label === 'Id' || fieldDef.label === 'ID'
+    
     return {
       id: fieldDef.id,
       apiName: fieldDef.apiName,
@@ -37,7 +40,7 @@ export const useFields = () => {
       validationRules: fieldDef.validationRules || [],
       
       // View options - only hide system and auto-generated fields by default
-      showOnList: fieldDef.showOnList ?? true,
+      showOnList: fieldDef.showOnList ?? !shouldHideOnList,
       showOnDetail: fieldDef.showOnDetail ?? true,
       showOnEdit: fieldDef.showOnEdit ?? !shouldHideOnEdit,
       sortable: fieldDef.sortable ?? true,