WIP - Fix create field dialog placement and look up field creation

backend/src/object/object.service.ts

@@ -3,6 +3,7 @@ import { TenantDatabaseService } from '../tenant/tenant-database.service';
 import { CustomMigrationService } from '../migration/custom-migration.service';
 import { ModelService } from './models/model.service';
 import { AuthorizationService } from '../rbac/authorization.service';
+import { SchemaManagementService } from './schema-management.service';
 import { ObjectDefinition } from '../models/object-definition.model';
 import { FieldDefinition } from '../models/field-definition.model';
 import { User } from '../models/user.model';
@@ -270,6 +271,10 @@ export class ObjectService {
       relationObject?: string;
       relationDisplayField?: string;
       defaultValue?: string;
+      length?: number;
+      precision?: number;
+      scale?: number;
+      uiMetadata?: any;
     },
   ) {
     const resolvedTenantId = await this.tenantDbService.resolveTenantId(tenantId);
@@ -282,8 +287,11 @@ export class ObjectService {
     // Use relationObject if provided (alias for referenceObject)
     const referenceObject = data.referenceObject || data.relationObject;
 
+    // Generate UUID in Node.js instead of using MySQL UUID() function
+    const fieldId = require('crypto').randomUUID();
+
     const fieldData: any = {
-      id: knex.raw('(UUID())'),
+      id: fieldId,
       objectDefinitionId: obj.id,
       apiName: data.apiName,
       label: data.label,
@@ -293,20 +301,41 @@ export class ObjectService {
       isUnique: data.isUnique ?? false,
       referenceObject: referenceObject,
       defaultValue: data.defaultValue,
+      length: data.length,
+      precision: data.precision,
+      scale: data.scale,
       created_at: knex.fn.now(),
       updated_at: knex.fn.now(),
     };
     
-    // Store relationDisplayField in UI metadata if provided
+    // Merge UI metadata
+    const uiMetadata: any = {};
     if (data.relationDisplayField) {
-      fieldData.ui_metadata = JSON.stringify({
-        relationDisplayField: data.relationDisplayField,
-      });
+      uiMetadata.relationDisplayField = data.relationDisplayField;
+    }
+    if (data.uiMetadata) {
+      Object.assign(uiMetadata, data.uiMetadata);
+    }
+    if (Object.keys(uiMetadata).length > 0) {
+      fieldData.ui_metadata = JSON.stringify(uiMetadata);
     }
     
-    const [id] = await knex('field_definitions').insert(fieldData);
+    await knex('field_definitions').insert(fieldData);
+    const createdField = await knex('field_definitions').where({ id: fieldId }).first();
 
-    return knex('field_definitions').where({ id }).first();
+    // Add the column to the physical table
+    const schemaManagementService = new SchemaManagementService();
+    try {
+      await schemaManagementService.addFieldToTable(knex, objectApiName, createdField);
+      this.logger.log(`Added column ${data.apiName} to table for object ${objectApiName}`);
+    } catch (error) {
+      // If column creation fails, delete the field definition to maintain consistency
+      this.logger.error(`Failed to add column ${data.apiName}: ${error.message}`);
+      await knex('field_definitions').where({ id: fieldId }).delete();
+      throw new Error(`Failed to create field column: ${error.message}`);
+    }
+    
+    return createdField;
   }
 
   // Helper to get table name from object definition
@@ -365,6 +394,7 @@ export class ObjectService {
       'url': 'URL',
       'color': 'TEXT',
       'json': 'JSON',
+      'lookup': 'LOOKUP',
       'belongsTo': 'LOOKUP',
       'hasMany': 'LOOKUP',
       'manyToMany': 'LOOKUP',
@@ -742,6 +772,219 @@ export class ObjectService {
     return { success: true };
   }
 
+  /**
+   * Update a field definition
+   * Can update metadata (label, description, placeholder, helpText, etc.) safely
+   * Cannot update apiName or type if field has existing data (prevent data loss)
+   */
+  async updateFieldDefinition(
+    tenantId: string,
+    objectApiName: string,
+    fieldApiName: string,
+    data: Partial<{
+      label: string;
+      description: string;
+      isRequired: boolean;
+      isUnique: boolean;
+      defaultValue: string;
+      placeholder: string;
+      helpText: string;
+      displayOrder: number;
+      uiMetadata: Record<string, any>;
+    }>,
+  ) {
+    const resolvedTenantId = await this.tenantDbService.resolveTenantId(tenantId);
+    const knex = await this.tenantDbService.getTenantKnexById(resolvedTenantId);
+
+    // Get the object definition
+    const objectDef = await ObjectDefinition.query(knex)
+      .findOne({ apiName: objectApiName });
+    
+    if (!objectDef) {
+      throw new NotFoundException(`Object ${objectApiName} not found`);
+    }
+
+    // Get the field definition
+    const field = await knex('field_definitions')
+      .where({ objectDefinitionId: objectDef.id, apiName: fieldApiName })
+      .first();
+    
+    if (!field) {
+      throw new NotFoundException(`Field ${fieldApiName} not found`);
+    }
+
+    // Check if this field has data (count records)
+    const tableName = this.getTableName(objectApiName);
+    const recordCount = await knex(tableName).count('* as cnt').first();
+    const hasData = recordCount && (recordCount.cnt as number) > 0;
+
+    // Prepare update object
+    const updateData: any = {
+      updated_at: knex.fn.now(),
+    };
+
+    // Always allow these updates
+    if (data.label !== undefined) updateData.label = data.label;
+    if (data.description !== undefined) updateData.description = data.description;
+    if (data.displayOrder !== undefined) updateData.displayOrder = data.displayOrder;
+    
+    // Merge with existing uiMetadata
+    const existingMetadata = field.ui_metadata ? JSON.parse(field.ui_metadata) : {};
+    const newMetadata = { ...existingMetadata };
+    
+    if (data.placeholder !== undefined) newMetadata.placeholder = data.placeholder;
+    if (data.helpText !== undefined) newMetadata.helpText = data.helpText;
+    if (data.uiMetadata) {
+      Object.assign(newMetadata, data.uiMetadata);
+    }
+
+    if (Object.keys(newMetadata).length > 0) {
+      updateData.ui_metadata = JSON.stringify(newMetadata);
+    }
+
+    // Conditional updates based on data existence
+    if (data.isRequired !== undefined) {
+      if (hasData && data.isRequired && !field.isRequired) {
+        throw new Error('Cannot make a field required when data exists. Existing records may have null values.');
+      }
+      updateData.isRequired = data.isRequired;
+    }
+
+    if (data.isUnique !== undefined) {
+      if (hasData && data.isUnique && !field.isUnique) {
+        throw new Error('Cannot add unique constraint to field with existing data. Existing records may have duplicate values.');
+      }
+      updateData.isUnique = data.isUnique;
+    }
+
+    // Update the field definition
+    await knex('field_definitions')
+      .where({ id: field.id })
+      .update(updateData);
+
+    return knex('field_definitions').where({ id: field.id }).first();
+  }
+
+  /**
+   * Delete a field definition and clean up dependencies
+   * Removes the column from the physical table
+   * Removes field references from page layouts
+   * CASCADE deletion handles role_field_permissions
+   */
+  async deleteFieldDefinition(
+    tenantId: string,
+    objectApiName: string,
+    fieldApiName: string,
+  ) {
+    const resolvedTenantId = await this.tenantDbService.resolveTenantId(tenantId);
+    const knex = await this.tenantDbService.getTenantKnexById(resolvedTenantId);
+
+    // Get the object definition
+    const objectDef = await ObjectDefinition.query(knex)
+      .findOne({ apiName: objectApiName });
+    
+    if (!objectDef) {
+      throw new NotFoundException(`Object ${objectApiName} not found`);
+    }
+
+    // Get the field definition
+    const field = await knex('field_definitions')
+      .where({ objectDefinitionId: objectDef.id, apiName: fieldApiName })
+      .first();
+    
+    if (!field) {
+      throw new NotFoundException(`Field ${fieldApiName} not found`);
+    }
+
+    // Prevent deletion of system fields
+    const systemFieldNames = ['id', 'tenantId', 'ownerId', 'created_at', 'updated_at', 'createdAt', 'updatedAt'];
+    if (systemFieldNames.includes(fieldApiName)) {
+      throw new Error(`Cannot delete system field: ${fieldApiName}`);
+    }
+
+    // Clean up page layouts - remove field references from layoutConfig
+    try {
+      const pageLayouts = await knex('page_layouts')
+        .where({ object_id: objectDef.id });
+      
+      for (const layout of pageLayouts) {
+        // Handle JSON column that might already be parsed
+        let layoutConfig;
+        if (layout.layout_config) {
+          layoutConfig = typeof layout.layout_config === 'string' 
+            ? JSON.parse(layout.layout_config) 
+            : layout.layout_config;
+        } else {
+          layoutConfig = { fields: [] };
+        }
+        
+        // Filter out any field references for this field
+        if (layoutConfig.fields) {
+          layoutConfig.fields = layoutConfig.fields.filter(
+            (f: any) => f.fieldId !== field.id,
+          );
+        }
+        
+        // Update the page layout
+        await knex('page_layouts')
+          .where({ id: layout.id })
+          .update({
+            layout_config: JSON.stringify(layoutConfig),
+            updated_at: knex.fn.now(),
+          });
+      }
+    } catch (error) {
+      // If page layouts table doesn't exist or query fails, log but continue
+      this.logger.warn(`Could not update page layouts for field deletion: ${error.message}`);
+    }
+
+    // Clean up dependsOn references in other fields
+    const otherFields = await knex('field_definitions')
+      .where({ objectDefinitionId: objectDef.id })
+      .whereNot({ id: field.id });
+    
+    for (const otherField of otherFields) {
+      // Handle JSON column that might already be parsed
+      let metadata;
+      if (otherField.ui_metadata) {
+        metadata = typeof otherField.ui_metadata === 'string'
+          ? JSON.parse(otherField.ui_metadata)
+          : otherField.ui_metadata;
+      } else {
+        metadata = {};
+      }
+      
+      if (metadata.dependsOn && Array.isArray(metadata.dependsOn)) {
+        metadata.dependsOn = metadata.dependsOn.filter(
+          (dep: any) => dep !== field.apiName,
+        );
+        
+        await knex('field_definitions')
+          .where({ id: otherField.id })
+          .update({
+            ui_metadata: JSON.stringify(metadata),
+            updated_at: knex.fn.now(),
+          });
+      }
+    }
+
+    // Remove the column from the physical table
+    const tableName = this.getTableName(objectApiName);
+    const schemaManagementService = new SchemaManagementService();
+    
+    try {
+      await schemaManagementService.removeFieldFromTable(knex, objectApiName, fieldApiName);
+    } catch (error) {
+      this.logger.warn(`Failed to remove column ${fieldApiName} from table ${tableName}: ${error.message}`);
+      // Continue with deletion even if column removal fails - field definition must be cleaned up
+    }
+
+    // Delete the field definition (CASCADE will delete role_field_permissions)
+    await knex('field_definitions').where({ id: field.id }).delete();
+
+    return { success: true };
+  }
+
   async getFieldPermissions(tenantId: string, objectId: string) {
     const resolvedTenantId = await this.tenantDbService.resolveTenantId(tenantId);
     const knex = await this.tenantDbService.getTenantKnexById(resolvedTenantId);

backend/src/object/schema-management.service.ts

@@ -71,6 +71,37 @@ export class SchemaManagementService {
     this.logger.log(`Removed field ${fieldApiName} from table ${tableName}`);
   }
 
+  /**
+   * Alter a field in an existing object table
+   * Handles safe updates like changing NOT NULL or constraints
+   * Warns about potentially destructive operations
+   */
+  async alterFieldInTable(
+    knex: Knex,
+    objectApiName: string,
+    fieldApiName: string,
+    field: FieldDefinition,
+    options?: {
+      skipTypeChange?: boolean; // Skip if type change would lose data
+    },
+  ) {
+    const tableName = this.getTableName(objectApiName);
+    const skipTypeChange = options?.skipTypeChange ?? true;
+
+    await knex.schema.alterTable(tableName, (table) => {
+      // Drop the existing column and recreate with new definition
+      // Note: This approach works for metadata changes, but type changes may need data migration
+      table.dropColumn(fieldApiName);
+    });
+
+    // Recreate the column with new definition
+    await knex.schema.alterTable(tableName, (table) => {
+      this.addFieldColumn(table, field);
+    });
+
+    this.logger.log(`Altered field ${fieldApiName} in table ${tableName}`);
+  }
+
   /**
    * Drop an object table
    */
@@ -94,15 +125,30 @@ export class SchemaManagementService {
     let column: Knex.ColumnBuilder;
 
     switch (field.type) {
+      // Text types
       case 'String':
+      case 'TEXT':
+      case 'EMAIL':
+      case 'PHONE':
+      case 'URL':
         column = table.string(columnName, field.length || 255);
         break;
 
       case 'Text':
+      case 'LONG_TEXT':
         column = table.text(columnName);
         break;
 
+      case 'PICKLIST':
+      case 'MULTI_PICKLIST':
+        column = table.string(columnName, 255);
+        break;
+
+      // Numeric types
       case 'Number':
+      case 'NUMBER':
+      case 'CURRENCY':
+      case 'PERCENT':
         if (field.scale && field.scale > 0) {
           column = table.decimal(
             columnName,
@@ -115,18 +161,28 @@ export class SchemaManagementService {
         break;
 
       case 'Boolean':
+      case 'BOOLEAN':
         column = table.boolean(columnName).defaultTo(false);
         break;
 
+      // Date types
       case 'Date':
+      case 'DATE':
         column = table.date(columnName);
         break;
 
       case 'DateTime':
+      case 'DATE_TIME':
         column = table.datetime(columnName);
         break;
 
+      case 'TIME':
+        column = table.time(columnName);
+        break;
+
+      // Relationship types
       case 'Reference':
+      case 'LOOKUP':
         column = table.uuid(columnName);
         if (field.referenceObject) {
           const refTableName = this.getTableName(field.referenceObject);
@@ -134,19 +190,30 @@ export class SchemaManagementService {
         }
         break;
 
+      // Email (legacy)
       case 'Email':
         column = table.string(columnName, 255);
         break;
 
+      // Phone (legacy)
       case 'Phone':
         column = table.string(columnName, 50);
         break;
 
+      // Url (legacy)
       case 'Url':
         column = table.string(columnName, 255);
         break;
 
+      // File types
+      case 'FILE':
+      case 'IMAGE':
+        column = table.text(columnName); // Store file path or URL
+        break;
+
+      // JSON
       case 'Json':
+      case 'JSON':
         column = table.json(columnName);
         break;
 

backend/src/object/setup-object.controller.ts

@@ -4,6 +4,7 @@ import {
   Post,
   Patch,
   Put,
+  Delete,
   Param,
   Body,
   UseGuards,
@@ -72,6 +73,35 @@ export class SetupObjectController {
     return this.fieldMapperService.mapFieldToDTO(field);
   }
 
+  @Put(':objectApiName/fields/:fieldApiName')
+  async updateFieldDefinition(
+    @TenantId() tenantId: string,
+    @Param('objectApiName') objectApiName: string,
+    @Param('fieldApiName') fieldApiName: string,
+    @Body() data: any,
+  ) {
+    const field = await this.objectService.updateFieldDefinition(
+      tenantId,
+      objectApiName,
+      fieldApiName,
+      data,
+    );
+    return this.fieldMapperService.mapFieldToDTO(field);
+  }
+
+  @Delete(':objectApiName/fields/:fieldApiName')
+  async deleteFieldDefinition(
+    @TenantId() tenantId: string,
+    @Param('objectApiName') objectApiName: string,
+    @Param('fieldApiName') fieldApiName: string,
+  ) {
+    return this.objectService.deleteFieldDefinition(
+      tenantId,
+      objectApiName,
+      fieldApiName,
+    );
+  }
+
   @Patch(':objectApiName')
   async updateObjectDefinition(
     @TenantId() tenantId: string,

frontend/components/fields/FieldAttributesCommon.vue

@@ -0,0 +1,195 @@
+<template>
+  <div class="space-y-6">
+    <!-- Label -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Label</label>
+      <div class="col-span-3">
+        <input
+          v-model="formData.label"
+          type="text"
+          placeholder="Display name for this field"
+          class="w-full px-3 py-2 border rounded-md text-sm"
+        />
+      </div>
+    </div>
+
+    <!-- API Name (Read-only if editing existing field) -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">API Name</label>
+      <div class="col-span-3">
+        <input
+          v-model="formData.apiName"
+          type="text"
+          placeholder="e.g., accountName"
+          :disabled="isEditing"
+          class="w-full px-3 py-2 border rounded-md text-sm disabled:bg-gray-100 disabled:text-gray-600"
+        />
+        <p v-if="isEditing" class="text-xs text-gray-500 mt-1">
+          Cannot change API name on existing fields
+        </p>
+      </div>
+    </div>
+
+    <!-- Description -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Description</label>
+      <div class="col-span-3">
+        <textarea
+          v-model="formData.description"
+          placeholder="Describe the purpose of this field"
+          rows="3"
+          class="w-full px-3 py-2 border rounded-md text-sm"
+        />
+      </div>
+    </div>
+
+    <!-- Placeholder -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Placeholder</label>
+      <div class="col-span-3">
+        <input
+          v-model="formData.placeholder"
+          type="text"
+          placeholder="e.g., Enter account name"
+          class="w-full px-3 py-2 border rounded-md text-sm"
+        />
+      </div>
+    </div>
+
+    <!-- Help Text -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Help Text</label>
+      <div class="col-span-3">
+        <textarea
+          v-model="formData.helpText"
+          placeholder="Additional guidance for users"
+          rows="2"
+          class="w-full px-3 py-2 border rounded-md text-sm"
+        />
+      </div>
+    </div>
+
+    <!-- Display Order -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Display Order</label>
+      <div class="col-span-3">
+        <input
+          v-model.number="formData.displayOrder"
+          type="number"
+          class="w-full px-3 py-2 border rounded-md text-sm"
+        />
+      </div>
+    </div>
+
+    <!-- Required -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Required</label>
+      <div class="col-span-3 flex items-center">
+        <input
+          v-model="formData.isRequired"
+          type="checkbox"
+          class="w-4 h-4 border rounded"
+        />
+        <span class="ml-2 text-sm text-gray-600">
+          {{ formData.isRequired ? 'Yes, this field is required' : 'No, this field is optional' }}
+        </span>
+        <p v-if="hasData && !wasRequired && formData.isRequired" class="ml-2 text-xs text-red-600">
+          ⚠️ Existing records may have empty values
+        </p>
+      </div>
+    </div>
+
+    <!-- Unique -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Unique</label>
+      <div class="col-span-3 flex items-center">
+        <input
+          v-model="formData.isUnique"
+          type="checkbox"
+          class="w-4 h-4 border rounded"
+        />
+        <span class="ml-2 text-sm text-gray-600">
+          {{ formData.isUnique ? 'Yes, values must be unique' : 'No, duplicate values allowed' }}
+        </span>
+        <p v-if="hasData && !wasUnique && formData.isUnique" class="ml-2 text-xs text-red-600">
+          ⚠️ Existing records may have duplicate values
+        </p>
+      </div>
+    </div>
+
+    <!-- Default Value -->
+    <div class="grid grid-cols-4 gap-4">
+      <label class="text-sm font-medium leading-8">Default Value</label>
+      <div class="col-span-3">
+        <input
+          v-model="formData.defaultValue"
+          type="text"
+          placeholder="Value used when field is not provided"
+          class="w-full px-3 py-2 border rounded-md text-sm"
+        />
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, watch, onMounted } from 'vue'
+
+interface Props {
+  label?: string
+  apiName?: string
+  description?: string
+  placeholder?: string
+  helpText?: string
+  displayOrder?: number
+  isRequired?: boolean
+  isUnique?: boolean
+  defaultValue?: string
+  isEditing?: boolean
+  hasData?: boolean
+}
+
+interface Emits {
+  (e: 'update', data: any): void
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  label: '',
+  apiName: '',
+  description: '',
+  placeholder: '',
+  helpText: '',
+  displayOrder: 0,
+  isRequired: false,
+  isUnique: false,
+  defaultValue: '',
+  isEditing: false,
+  hasData: false,
+})
+
+const emit = defineEmits<Emits>()
+
+const formData = ref({
+  label: props.label,
+  apiName: props.apiName,
+  description: props.description,
+  placeholder: props.placeholder,
+  helpText: props.helpText,
+  displayOrder: props.displayOrder,
+  isRequired: props.isRequired,
+  isUnique: props.isUnique,
+  defaultValue: props.defaultValue,
+})
+
+const wasRequired = ref(props.isRequired)
+const wasUnique = ref(props.isUnique)
+
+onMounted(() => {
+  wasRequired.value = props.isRequired
+  wasUnique.value = props.isUnique
+})
+
+watch(formData, (newVal) => {
+  emit('update', newVal)
+}, { deep: true })
+</script>

frontend/components/fields/FieldAttributesType.vue

@@ -0,0 +1,296 @@
+<template>
+  <div class="space-y-6">
+    <!-- Text Field Attributes -->
+    <div v-if="fieldType === 'text'" class="space-y-4">
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Max Length</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.maxLength"
+            type="number"
+            min="1"
+            max="65535"
+            placeholder="Maximum character length (default: 255)"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+    </div>
+
+    <!-- Textarea Attributes -->
+    <div v-if="fieldType === 'textarea'" class="space-y-4">
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Default Rows</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.rows"
+            type="number"
+            min="2"
+            max="20"
+            :placeholder="`Default: 4 rows`"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+    </div>
+
+    <!-- Number Field Attributes -->
+    <div v-if="fieldType === 'number'" class="space-y-4">
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Decimal Places</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.scale"
+            type="number"
+            min="0"
+            max="10"
+            placeholder="0 for integers, 2 for decimals"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Min Value</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.min"
+            type="number"
+            placeholder="Minimum allowed value"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Max Value</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.max"
+            type="number"
+            placeholder="Maximum allowed value"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+    </div>
+
+    <!-- Currency Field Attributes -->
+    <div v-if="fieldType === 'currency'" class="space-y-4">
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Currency Symbol</label>
+        <div class="col-span-3">
+          <input
+            v-model="attributes.prefix"
+            type="text"
+            placeholder="e.g., $, €, ¥"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Decimal Places</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.scale"
+            type="number"
+            min="0"
+            max="4"
+            placeholder="Default: 2"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Min Value</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.min"
+            type="number"
+            placeholder="Minimum allowed value"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Max Value</label>
+        <div class="col-span-3">
+          <input
+            v-model.number="attributes.max"
+            type="number"
+            placeholder="Maximum allowed value"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+        </div>
+      </div>
+    </div>
+
+    <!-- Select/Picklist Attributes -->
+    <div v-if="fieldType === 'select' || fieldType === 'multiSelect'" class="space-y-4">
+      <div class="border rounded-lg p-4 bg-gray-50">
+        <div class="flex items-center justify-between mb-4">
+          <label class="text-sm font-medium">Options</label>
+          <button
+            type="button"
+            @click="addOption"
+            class="text-xs px-3 py-1 bg-blue-600 text-white rounded hover:bg-blue-700"
+          >
+            Add Option
+          </button>
+        </div>
+        
+        <div class="space-y-2">
+          <div
+            v-for="(option, index) in attributes.options"
+            :key="index"
+            class="flex gap-2 items-center bg-white p-3 rounded border"
+          >
+            <input
+              v-model="option.value"
+              type="text"
+              placeholder="Value"
+              class="flex-1 px-2 py-1 border rounded text-sm"
+            />
+            <input
+              v-model="option.label"
+              type="text"
+              placeholder="Label"
+              class="flex-1 px-2 py-1 border rounded text-sm"
+            />
+            <button
+              type="button"
+              @click="removeOption(index)"
+              class="text-red-600 hover:text-red-800 text-sm font-medium"
+            >
+              Remove
+            </button>
+          </div>
+        </div>
+
+        <p v-if="!attributes.options || attributes.options.length === 0" class="text-sm text-gray-500 mt-4">
+          No options defined yet
+        </p>
+      </div>
+    </div>
+
+    <!-- Date Field Attributes -->
+    <div v-if="fieldType === 'date' || fieldType === 'datetime'" class="space-y-4">
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Include Time</label>
+        <div class="col-span-3 flex items-center">
+          <input
+            v-if="fieldType === 'datetime'"
+            :checked="true"
+            type="checkbox"
+            disabled
+            class="w-4 h-4 border rounded"
+          />
+          <span class="ml-2 text-sm text-gray-600">{{ fieldType === 'datetime' ? 'Yes' : 'No' }}</span>
+        </div>
+      </div>
+    </div>
+
+    <!-- Lookup Field Attributes -->
+    <div v-if="fieldType === 'lookup' || fieldType === 'belongsTo'" class="space-y-4">
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Related Object</label>
+        <div class="col-span-3">
+          <input
+            v-model="attributes.relationObject"
+            type="text"
+            disabled
+            placeholder="Selected during field creation"
+            class="w-full px-3 py-2 border rounded-md text-sm bg-gray-100 disabled:text-gray-600"
+          />
+          <p class="text-xs text-gray-500 mt-1">Cannot change relationship after creation</p>
+        </div>
+      </div>
+      <div class="grid grid-cols-4 gap-4">
+        <label class="text-sm font-medium leading-8">Display Field</label>
+        <div class="col-span-3">
+          <input
+            v-model="attributes.relationDisplayField"
+            type="text"
+            placeholder="e.g., name, label (field to show in lookup)"
+            class="w-full px-3 py-2 border rounded-md text-sm"
+          />
+          <p class="text-xs text-gray-500 mt-1">Which field from the related object to display</p>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, watch } from 'vue'
+
+interface FieldOption {
+  value: string | number
+  label: string
+}
+
+interface TypeAttributes {
+  maxLength?: number
+  rows?: number
+  scale?: number
+  min?: number
+  max?: number
+  prefix?: string
+  suffix?: string
+  options?: FieldOption[]
+  relationObject?: string
+  relationDisplayField?: string
+}
+
+interface Props {
+  fieldType: string
+  attributes?: TypeAttributes
+}
+
+interface Emits {
+  (e: 'update', data: TypeAttributes): void
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  fieldType: 'text',
+  attributes: () => ({}),
+})
+
+const emit = defineEmits<Emits>()
+
+const attributes = ref<TypeAttributes>({
+  ...props.attributes,
+})
+
+watch(
+  () => props.fieldType,
+  (newType) => {
+    // Reset attributes when field type changes
+    attributes.value = {}
+  },
+)
+
+const addOption = () => {
+  if (!attributes.value.options) {
+    attributes.value.options = []
+  }
+  attributes.value.options.push({
+    value: '',
+    label: '',
+  })
+  emit('update', attributes.value)
+}
+
+const removeOption = (index: number) => {
+  if (attributes.value.options) {
+    attributes.value.options.splice(index, 1)
+    emit('update', attributes.value)
+  }
+}
+
+watch(
+  attributes,
+  (newVal) => {
+    emit('update', newVal)
+  },
+  { deep: true },
+)
+</script>

frontend/components/fields/FieldRenderer.vue

@@ -21,7 +21,8 @@ interface Props {
 }
 
 const props = withDefaults(defineProps<Props>(), {
-  baseUrl: '/central',
+  // Default to runtime objects endpoint; override when consuming central entities
+  baseUrl: '/runtime/objects',
 })
 
 const emit = defineEmits<{

frontend/components/fields/FieldTypeSelector.vue

@@ -0,0 +1,140 @@
+<template>
+  <div class="space-y-4">
+    <label class="text-sm font-medium">Field Type</label>
+    
+    <div class="grid grid-cols-2 gap-4">
+      <!-- Text Fields -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'text' }"
+        @click="$emit('update:modelValue', 'text')">
+        <div class="font-medium text-sm">Text</div>
+        <div class="text-xs text-gray-600">Single line text input</div>
+      </div>
+
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'textarea' }"
+        @click="$emit('update:modelValue', 'textarea')">
+        <div class="font-medium text-sm">Textarea</div>
+        <div class="text-xs text-gray-600">Multi-line text input</div>
+      </div>
+
+      <!-- Email & Phone -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'email' }"
+        @click="$emit('update:modelValue', 'email')">
+        <div class="font-medium text-sm">Email</div>
+        <div class="text-xs text-gray-600">Email with validation</div>
+      </div>
+
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'phone' }"
+        @click="$emit('update:modelValue', 'phone')">
+        <div class="font-medium text-sm">Phone</div>
+        <div class="text-xs text-gray-600">Phone number input</div>
+      </div>
+
+      <!-- Numeric Fields -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'number' }"
+        @click="$emit('update:modelValue', 'number')">
+        <div class="font-medium text-sm">Number</div>
+        <div class="text-xs text-gray-600">Integer or decimal</div>
+      </div>
+
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'currency' }"
+        @click="$emit('update:modelValue', 'currency')">
+        <div class="font-medium text-sm">Currency</div>
+        <div class="text-xs text-gray-600">Money amount with symbol</div>
+      </div>
+
+      <!-- Selection Fields -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'select' }"
+        @click="$emit('update:modelValue', 'select')">
+        <div class="font-medium text-sm">Picklist</div>
+        <div class="text-xs text-gray-600">Dropdown with predefined options</div>
+      </div>
+
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'multiSelect' }"
+        @click="$emit('update:modelValue', 'multiSelect')">
+        <div class="font-medium text-sm">Multi-select</div>
+        <div class="text-xs text-gray-600">Select multiple options</div>
+      </div>
+
+      <!-- Boolean -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'boolean' }"
+        @click="$emit('update:modelValue', 'boolean')">
+        <div class="font-medium text-sm">Checkbox</div>
+        <div class="text-xs text-gray-600">True/False toggle</div>
+      </div>
+
+      <!-- Date Fields -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'date' }"
+        @click="$emit('update:modelValue', 'date')">
+        <div class="font-medium text-sm">Date</div>
+        <div class="text-xs text-gray-600">Date picker without time</div>
+      </div>
+
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'datetime' }"
+        @click="$emit('update:modelValue', 'datetime')">
+        <div class="font-medium text-sm">DateTime</div>
+        <div class="text-xs text-gray-600">Date and time picker</div>
+      </div>
+
+      <!-- Relationship Fields -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'lookup' }"
+        @click="$emit('update:modelValue', 'lookup')">
+        <div class="font-medium text-sm">Lookup</div>
+        <div class="text-xs text-gray-600">Link to another object</div>
+      </div>
+
+      <!-- Rich Content -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'markdown' }"
+        @click="$emit('update:modelValue', 'markdown')">
+        <div class="font-medium text-sm">Rich Text</div>
+        <div class="text-xs text-gray-600">Markdown editor</div>
+      </div>
+
+      <!-- File -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'file' }"
+        @click="$emit('update:modelValue', 'file')">
+        <div class="font-medium text-sm">File</div>
+        <div class="text-xs text-gray-600">File upload</div>
+      </div>
+
+      <!-- URL -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'url' }"
+        @click="$emit('update:modelValue', 'url')">
+        <div class="font-medium text-sm">URL</div>
+        <div class="text-xs text-gray-600">Web address with validation</div>
+      </div>
+
+      <!-- Color -->
+      <div class="border rounded-lg p-4 cursor-pointer hover:bg-blue-50"
+        :class="{ 'bg-blue-100 border-blue-500': modelValue === 'color' }"
+        @click="$emit('update:modelValue', 'color')">
+        <div class="font-medium text-sm">Color</div>
+        <div class="text-xs text-gray-600">Color picker</div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+  modelValue: string
+}>()
+
+defineEmits<{
+  'update:modelValue': [value: string]
+}>()
+</script>

frontend/components/fields/LookupField.vue

@@ -16,7 +16,8 @@ interface Props {
 }
 
 const props = withDefaults(defineProps<Props>(), {
-  baseUrl: '/central',
+  // Default to runtime objects endpoint; override when consuming central entities
+  baseUrl: '/runtime/objects',
   modelValue: null,
 })
 

frontend/pages/setup/objects/[apiName].vue

@@ -24,32 +24,78 @@
 
               <!-- Fields Tab -->
               <TabsContent value="fields" class="mt-6">
-                <div class="space-y-2">
-                  <div
-                    v-for="field in object.fields"
-                    :key="field.id"
-                    class="p-4 border rounded-lg bg-card"
-                  >
-                    <div class="flex items-center justify-between">
-                      <div>
-                        <h3 class="font-semibold">{{ field.label }}</h3>
-                        <p class="text-sm text-muted-foreground">
-                          Type: {{ field.type }} | API Name: {{ field.apiName }}
-                        </p>
-                      </div>
-                      <div class="flex gap-2 text-xs">
-                        <span
-                          v-if="field.isRequired"
-                          class="px-2 py-1 bg-destructive/10 text-destructive rounded"
-                        >
-                          Required
-                        </span>
-                        <span
-                          v-if="field.isUnique"
-                          class="px-2 py-1 bg-primary/10 text-primary rounded"
-                        >
-                          Unique
-                        </span>
+                <div class="space-y-4">
+                  <div class="flex justify-between items-center mb-4">
+                    <h2 class="text-xl font-semibold">Fields</h2>
+                    <Button @click="openFieldDialog('create')">
+                      <Plus class="w-4 h-4 mr-2" />
+                      New Field
+                    </Button>
+                  </div>
+
+                  <div v-if="!object.fields || object.fields.length === 0" class="text-center py-8 text-muted-foreground">
+                    No fields defined yet. Create one to get started.
+                  </div>
+
+                  <div v-else class="space-y-2">
+                    <div
+                      v-for="field in object.fields"
+                      :key="field.id"
+                      class="p-4 border rounded-lg bg-card hover:border-primary transition-colors"
+                    >
+                      <div class="flex items-center justify-between">
+                        <div class="flex-1">
+                          <h3 class="font-semibold">{{ field.label }}</h3>
+                          <p class="text-sm text-muted-foreground">
+                            Type: <span class="font-medium">{{ formatFieldType(field.type) }}</span> | API Name: <span class="font-mono">{{ field.apiName }}</span>
+                          </p>
+                          <p v-if="field.description" class="text-sm text-muted-foreground mt-1">
+                            {{ field.description }}
+                          </p>
+                        </div>
+                        <div class="flex items-center gap-3">
+                          <div class="flex gap-2 text-xs">
+                            <span
+                              v-if="field.isRequired"
+                              class="px-2 py-1 bg-destructive/10 text-destructive rounded"
+                            >
+                              Required
+                            </span>
+                            <span
+                              v-if="field.isUnique"
+                              class="px-2 py-1 bg-primary/10 text-primary rounded"
+                            >
+                              Unique
+                            </span>
+                            <span
+                              v-if="field.isSystem"
+                              class="px-2 py-1 bg-gray-200 text-gray-700 rounded text-xs"
+                            >
+                              System
+                            </span>
+                          </div>
+                          <div class="flex gap-2">
+                            <Button
+                              v-if="!field.isSystem"
+                              variant="ghost"
+                              size="sm"
+                              @click="openFieldDialog('edit', field)"
+                              title="Edit field"
+                            >
+                              ✏️
+                            </Button>
+                            <Button
+                              v-if="!field.isSystem"
+                              variant="ghost"
+                              size="sm"
+                              class="text-destructive hover:text-destructive"
+                              @click="deleteField(field)"
+                              title="Delete field"
+                            >
+                              <Trash2 class="w-4 h-4" />
+                            </Button>
+                          </div>
+                        </div>
                       </div>
                     </div>
                   </div>
@@ -141,6 +187,107 @@
           </div>
         </div>
       </main>
+
+      <!-- Field Management Dialog -->
+      <Teleport to="body">
+        <div
+          v-if="showFieldDialog"
+          class="fixed inset-0 bg-black/50 flex items-center justify-center z-[100]"
+        >
+          <div class="bg-white rounded-lg shadow-lg max-w-3xl w-full mx-4 max-h-[90vh] overflow-y-auto">
+            <div class="sticky top-0 bg-white border-b p-6 flex items-center justify-between">
+              <h2 class="text-2xl font-bold">
+                {{ fieldDialogMode === 'create' ? 'Create New Field' : 'Edit Field' }}
+              </h2>
+              <button
+                @click="closeFieldDialog"
+                class="text-gray-500 hover:text-gray-700 text-2xl font-bold"
+              >
+                ×
+              </button>
+            </div>
+
+            <div class="p-6 space-y-6">
+              <!-- Field Type Selection (only for creation) -->
+              <div v-if="fieldDialogMode === 'create'">
+                <FieldTypeSelector
+                  v-model="fieldForm.type"
+                />
+              </div>
+
+              <!-- Common Attributes -->
+              <div v-if="fieldForm.type">
+                <h3 class="text-lg font-semibold mb-4">Basic Properties</h3>
+                <FieldAttributesCommon
+                  :label="fieldForm.label"
+                  :api-name="fieldForm.apiName"
+                  :description="fieldForm.description"
+                  :placeholder="fieldForm.placeholder"
+                  :help-text="fieldForm.helpText"
+                  :display-order="fieldForm.displayOrder"
+                  :is-required="fieldForm.isRequired"
+                  :is-unique="fieldForm.isUnique"
+                  :default-value="fieldForm.defaultValue"
+                  :is-editing="fieldDialogMode === 'edit'"
+                  :has-data="fieldForm.hasData"
+                  @update="updateCommonAttributes"
+                />
+              </div>
+
+              <!-- Type-Specific Attributes -->
+              <div v-if="fieldForm.type">
+                <h3 class="text-lg font-semibold mb-4">Type-Specific Settings</h3>
+                <FieldAttributesType
+                  :field-type="fieldForm.type"
+                  :attributes="fieldForm.typeAttributes"
+                  @update="updateTypeAttributes"
+                />
+              </div>
+
+              <!-- Lookup Field Selection -->
+              <div v-if="(fieldForm.type === 'lookup' || fieldForm.type === 'belongsTo') && fieldDialogMode === 'create'">
+                <h3 class="text-lg font-semibold mb-4">Related Object</h3>
+                <div class="grid grid-cols-4 gap-4">
+                  <label class="text-sm font-medium leading-8">Select Object</label>
+                  <div class="col-span-3">
+                    <select
+                      v-model="fieldForm.referenceObject"
+                      class="w-full px-3 py-2 border rounded-md text-sm"
+                    >
+                      <option value="">-- Select an object --</option>
+                      <option
+                        v-for="obj in availableObjects"
+                        :key="obj.id"
+                        :value="obj.apiName"
+                      >
+                        {{ obj.label }} ({{ obj.apiName }})
+                      </option>
+                    </select>
+                  </div>
+                </div>
+              </div>
+
+              <!-- Error Message -->
+              <div v-if="fieldDialogError" class="p-3 bg-red-100 text-red-800 rounded-md text-sm">
+                {{ fieldDialogError }}
+              </div>
+
+              <!-- Action Buttons -->
+              <div class="flex gap-3 justify-end pt-4">
+                <Button variant="outline" @click="closeFieldDialog">
+                  Cancel
+                </Button>
+                <Button
+                  :disabled="!fieldForm.label || !fieldForm.apiName || !fieldForm.type"
+                  @click="saveField"
+                >
+                  {{ fieldDialogMode === 'create' ? 'Create Field' : 'Update Field' }}
+                </Button>
+              </div>
+            </div>
+          </div>
+        </div>
+      </Teleport>
     </NuxtLayout>
   </div>
 </template>
@@ -151,6 +298,9 @@ import { Button } from '@/components/ui/button'
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs'
 import PageLayoutEditor from '@/components/PageLayoutEditor.vue'
 import ObjectAccessSettings from '@/components/ObjectAccessSettings.vue'
+import FieldTypeSelector from '@/components/fields/FieldTypeSelector.vue'
+import FieldAttributesCommon from '@/components/fields/FieldAttributesCommon.vue'
+import FieldAttributesType from '@/components/fields/FieldAttributesType.vue'
 import type { PageLayout, FieldLayoutItem } from '~/types/page-layout'
 
 const route = useRoute()
@@ -168,6 +318,81 @@ const layouts = ref<PageLayout[]>([])
 const loadingLayouts = ref(false)
 const selectedLayout = ref<PageLayout | null>(null)
 
+// Field management state
+const showFieldDialog = ref(false)
+const fieldDialogMode = ref<'create' | 'edit'>('create')
+const fieldDialogError = ref<string | null>(null)
+const availableObjects = ref<any[]>([])
+const fieldForm = ref({
+  id: '',
+  label: '',
+  apiName: '',
+  type: '',
+  description: '',
+  placeholder: '',
+  helpText: '',
+  displayOrder: 0,
+  isRequired: false,
+  isUnique: false,
+  defaultValue: '',
+  referenceObject: '',
+  typeAttributes: {},
+  hasData: false,
+})
+
+// Helper to format field type names
+const formatFieldType = (type: string): string => {
+  const typeNames: Record<string, string> = {
+    'TEXT': 'Text',
+    'LONG_TEXT': 'Textarea',
+    'EMAIL': 'Email',
+    'PHONE': 'Phone',
+    'NUMBER': 'Number',
+    'CURRENCY': 'Currency',
+    'PERCENT': 'Percent',
+    'PICKLIST': 'Picklist',
+    'MULTI_PICKLIST': 'Multi-select',
+    'BOOLEAN': 'Checkbox',
+    'DATE': 'Date',
+    'DATE_TIME': 'DateTime',
+    'TIME': 'Time',
+    'URL': 'URL',
+    'LOOKUP': 'Lookup',
+    'FILE': 'File',
+    'IMAGE': 'Image',
+    'JSON': 'JSON',
+  }
+  return typeNames[type] || type
+}
+
+const convertFrontendToBackendType = (frontendType: string): string => {
+  const typeMap: Record<string, string> = {
+    'text': 'TEXT',
+    'textarea': 'LONG_TEXT',
+    'password': 'TEXT',
+    'email': 'EMAIL',
+    'number': 'NUMBER',
+    'currency': 'CURRENCY',
+    'percent': 'PERCENT',
+    'select': 'PICKLIST',
+    'multiSelect': 'MULTI_PICKLIST',
+    'boolean': 'BOOLEAN',
+    'date': 'DATE',
+    'datetime': 'DATE_TIME',
+    'time': 'TIME',
+    'url': 'URL',
+    'color': 'TEXT',
+    'json': 'JSON',
+    'lookup': 'LOOKUP',
+    'belongsTo': 'LOOKUP',
+    'markdown': 'LONG_TEXT',
+    'code': 'LONG_TEXT',
+    'file': 'FILE',
+    'image': 'IMAGE',
+  }
+  return typeMap[frontendType] || 'TEXT'
+}
+
 const fetchObject = async () => {
   try {
     loading.value = true
@@ -180,6 +405,14 @@ const fetchObject = async () => {
   }
 }
 
+const fetchAvailableObjects = async () => {
+  try {
+    availableObjects.value = await api.get('/setup/objects')
+  } catch (e: any) {
+    console.error('Error fetching available objects:', e)
+  }
+}
+
 const fetchLayouts = async () => {
   if (!object.value) return
   
@@ -194,6 +427,253 @@ const fetchLayouts = async () => {
   }
 }
 
+const openFieldDialog = async (mode: 'create' | 'edit', field?: any) => {
+  fieldDialogMode.value = mode
+  fieldDialogError.value = null
+
+  if (mode === 'create') {
+    await fetchAvailableObjects()
+    fieldForm.value = {
+      id: '',
+      label: '',
+      apiName: '',
+      type: '',
+      description: '',
+      placeholder: '',
+      helpText: '',
+      displayOrder: (object.value?.fields?.length || 0) + 1,
+      isRequired: false,
+      isUnique: false,
+      defaultValue: '',
+      referenceObject: '',
+      typeAttributes: {},
+      hasData: false,
+    }
+  } else if (field) {
+    // Load field data for editing
+    const uiMetadata = field.ui_metadata ? JSON.parse(field.ui_metadata) : {}
+    fieldForm.value = {
+      id: field.id,
+      label: field.label,
+      apiName: field.apiName,
+      type: convertBackendToFrontendType(field.type),
+      description: field.description || '',
+      placeholder: uiMetadata.placeholder || '',
+      helpText: uiMetadata.helpText || '',
+      displayOrder: field.displayOrder || 0,
+      isRequired: field.isRequired || false,
+      isUnique: field.isUnique || false,
+      defaultValue: field.defaultValue || '',
+      referenceObject: field.referenceObject || '',
+      typeAttributes: extractTypeAttributes(field, uiMetadata),
+      hasData: false, // Would need to fetch this from backend
+    }
+  }
+
+  showFieldDialog.value = true
+}
+
+const convertBackendToFrontendType = (backendType: string): string => {
+  const typeMap: Record<string, string> = {
+    'TEXT': 'text',
+    'LONG_TEXT': 'textarea',
+    'EMAIL': 'email',
+    'PHONE': 'phone',
+    'NUMBER': 'number',
+    'CURRENCY': 'currency',
+    'PERCENT': 'percent',
+    'PICKLIST': 'select',
+    'MULTI_PICKLIST': 'multiSelect',
+    'BOOLEAN': 'boolean',
+    'DATE': 'date',
+    'DATE_TIME': 'datetime',
+    'TIME': 'time',
+    'URL': 'url',
+    'LOOKUP': 'lookup',
+    'FILE': 'file',
+    'IMAGE': 'image',
+    'JSON': 'json',
+  }
+  return typeMap[backendType] || 'text'
+}
+
+const extractTypeAttributes = (field: any, uiMetadata: any): any => {
+  const attrs: any = {}
+
+  if (field.type === 'PICKLIST' || field.type === 'MULTI_PICKLIST') {
+    attrs.options = uiMetadata.options || []
+  }
+
+  if (field.type === 'NUMBER' || field.type === 'CURRENCY') {
+    attrs.scale = field.scale || 0
+    attrs.min = uiMetadata.min
+    attrs.max = uiMetadata.max
+    if (field.type === 'CURRENCY') {
+      attrs.prefix = uiMetadata.prefix || '$'
+    }
+  }
+
+  if (field.type === 'TEXT' && field.length) {
+    attrs.maxLength = field.length
+  }
+
+  if (field.type === 'LONG_TEXT' && uiMetadata.rows) {
+    attrs.rows = uiMetadata.rows
+  }
+
+  if (field.type === 'LOOKUP') {
+    attrs.relationObject = field.referenceObject
+    attrs.relationDisplayField = uiMetadata.relationDisplayField || 'name'
+  }
+
+  return attrs
+}
+
+const closeFieldDialog = () => {
+  showFieldDialog.value = false
+  fieldDialogError.value = null
+}
+
+const updateCommonAttributes = (data: any) => {
+  Object.assign(fieldForm.value, data)
+}
+
+const updateTypeAttributes = (data: any) => {
+  fieldForm.value.typeAttributes = data
+}
+
+const saveField = async () => {
+  fieldDialogError.value = null
+
+  try {
+    // Validate
+    if (!fieldForm.value.label || !fieldForm.value.apiName || !fieldForm.value.type) {
+      fieldDialogError.value = 'Please fill in all required fields'
+      return
+    }
+
+    const apiName = route.params.apiName as string
+
+    // Prepare payload
+    const payload: any = {
+      label: fieldForm.value.label,
+      apiName: fieldForm.value.apiName,
+      type: fieldForm.value.type, // Use frontend type, backend will convert
+      description: fieldForm.value.description,
+      isRequired: fieldForm.value.isRequired,
+      isUnique: fieldForm.value.isUnique,
+      defaultValue: fieldForm.value.defaultValue,
+    }
+
+    // Extract type-specific database fields
+    const typeAttrs = fieldForm.value.typeAttributes || {}
+    
+    // For text fields
+    if (fieldForm.value.type === 'text' && typeAttrs.maxLength) {
+      payload.length = typeAttrs.maxLength
+    }
+
+    // For number and currency fields
+    if ((fieldForm.value.type === 'number' || fieldForm.value.type === 'currency') && typeAttrs.scale !== undefined) {
+      payload.scale = typeAttrs.scale
+      if (typeAttrs.scale > 0) {
+        payload.precision = 10 // Default precision for decimals
+      }
+    }
+
+    // Merge UI metadata
+    const uiMetadata: any = {
+      placeholder: fieldForm.value.placeholder,
+      helpText: fieldForm.value.helpText,
+    }
+
+    // Add type-specific attributes to UI metadata
+    if (fieldForm.value.typeAttributes) {
+      Object.assign(uiMetadata, fieldForm.value.typeAttributes)
+    }
+
+    payload.uiMetadata = uiMetadata
+
+    if (fieldForm.value.referenceObject) {
+      payload.relationObject = fieldForm.value.referenceObject
+      payload.relationDisplayField = fieldForm.value.typeAttributes.relationDisplayField || 'name'
+    }
+
+    let result
+    if (fieldDialogMode.value === 'create') {
+      result = await api.post(`/setup/objects/${apiName}/fields`, payload)
+    } else {
+      // For updates, only send fields that changed
+      const updatePayload: any = {}
+      if (fieldForm.value.label) updatePayload.label = fieldForm.value.label
+      if (fieldForm.value.description) updatePayload.description = fieldForm.value.description
+      if (fieldForm.value.placeholder) updatePayload.placeholder = fieldForm.value.placeholder
+      if (fieldForm.value.helpText) updatePayload.helpText = fieldForm.value.helpText
+      updatePayload.isRequired = fieldForm.value.isRequired
+      updatePayload.isUnique = fieldForm.value.isUnique
+      updatePayload.displayOrder = fieldForm.value.displayOrder
+      if (Object.keys(uiMetadata).length > 0) {
+        updatePayload.uiMetadata = uiMetadata
+      }
+
+      result = await api.put(
+        `/setup/objects/${apiName}/fields/${fieldForm.value.apiName}`,
+        updatePayload,
+      )
+    }
+
+    // Update the object with new field
+    if (fieldDialogMode.value === 'create') {
+      object.value.fields.push(result)
+    } else {
+      const index = object.value.fields.findIndex((f: any) => f.id === fieldForm.value.id)
+      if (index !== -1) {
+        object.value.fields[index] = result
+      }
+    }
+
+    toast.success(
+      fieldDialogMode.value === 'create'
+        ? 'Field created successfully'
+        : 'Field updated successfully',
+    )
+
+    closeFieldDialog()
+  } catch (e: any) {
+    fieldDialogError.value = e.message || 'An error occurred while saving the field'
+    console.error('Error saving field:', e)
+  }
+}
+
+const deleteField = async (field: any) => {
+  if (!confirm(`Are you sure you want to delete the field "${field.label}"? This action cannot be undone.`)) {
+    return
+  }
+
+  try {
+    const apiName = route.params.apiName as string
+    await api.delete(`/setup/objects/${apiName}/fields/${field.apiName}`)
+
+    // Remove from the list
+    object.value.fields = object.value.fields.filter((f: any) => f.id !== field.id)
+
+    // Also remove from page layouts
+    for (const layout of layouts.value) {
+      const layoutConfig = layout.layoutConfig || layout.layout_config || { fields: [] }
+      if (layoutConfig.fields) {
+        layoutConfig.fields = layoutConfig.fields.filter(
+          (f: any) => f.fieldId !== field.id,
+        )
+      }
+    }
+
+    toast.success('Field deleted successfully')
+  } catch (e: any) {
+    toast.error(`Failed to delete field: ${e.message}`)
+    console.error('Error deleting field:', e)
+  }
+}
+
 const handleCreateLayout = async () => {
   const name = prompt('Enter a name for the new layout:')
   if (!name) return
@@ -254,17 +734,19 @@ const handleDeleteLayout = async (layoutId: string) => {
   }
 }
 
+const handleAccessUpdate = (orgWideDefault: string) => {
+  if (object.value) {
+    object.value.orgWideDefault = orgWideDefault
+  }
+}
+
 // Watch for tab changes to load layouts
 watch(activeTab, (newTab) => {
   if (newTab === 'layouts' && layouts.value.length === 0 && !loadingLayouts.value) {
     fetchLayouts()
   }
 })
-const handleAccessUpdate = (orgWideDefault: string) => {
-  if (object.value) {
-    object.value.orgWideDefault = orgWideDefault
-  }
-}
+
 onMounted(async () => {
   await fetchObject()
   // If we start on layouts tab, load them