Refactor the React OpenAPI admin framework to support fully customizable field rendering and UI composition. (#11)

# Summary

Refactor the React OpenAPI admin framework to support fully customizable field rendering and UI composition.

## Changes

### Admin UI Customization

* Added support for custom:

  * Dashboard component
  * Layout component
  * Login page component
* Introduced `AdminAppProps` and extended `Admin` configuration API.
* Renamed internal dashboard implementation to `DefaultDashboard`.

### Field Component Architecture

* Extracted field rendering into dedicated field components:

  * TextField
  * NumberField
  * BooleanField
  * DateField
  * EnumField
  * RelationField
  * ObjectField
  * FallbackField
  * DateRangeField
  * NumberRangeField
* Added `defaultFieldComponents` registry.
* Refactored `FormField` to resolve components dynamically from a component map instead of hardcoded field type handling.

### Resource Customization

* Added `FieldComponents` support across:

  * Admin
  * ResourceView
  * GenericForm
  * useResource
* Introduced wrapped `FormField` and `GenericForm` components generated from configured field overrides.

### Table Customization

* Added `EnhancedTableComponents`.
* Added support for custom cell renderers per field type.
* Enabled custom rendering for both desktop and mobile table layouts.

### Filter Improvements

* Exported `FilterAutocomplete`.
* Added support for custom date-range and number-range filter components.
* Added filter component extension points.
* Updated filter option label resolution to support `displayFormat`.

### Display Formatting

* Replaced `displayField` usage with `displayFormat`.
* Added template-based display rendering support through `resolveTemplate`.
* Improved relation display configuration handling.

### TypeScript Improvements

* Added TypeScript as a project dependency.
* Removed multiple `@ts-ignore` usages.
* Added strongly typed Axios wrapper methods with generic response support.
* Improved typing across hooks and component interfaces.

### OpenAPI Configuration Validation

* Added validation for enum fields without enum values.
* Added validation for relation resources missing `referenceOptions.enumOption`.
* Improved relation metadata propagation during schema parsing.

### Library Exports

* Exported:

  * Field component types
  * Override types
  * EnhancedTable
  * GenericForm
  * ResourceView
  * Field components and defaults
* Expanded public API surface for consumers extending the framework.

## Benefits

* Enables complete UI customization without modifying framework internals.
* Simplifies creation of custom field types and renderers.
* Improves type safety and developer experience.
* Provides consistent extension points for forms, tables, filters, and admin layouts.
* Makes the framework more suitable for reusable library distribution.

Reviewed-on: #11
Co-authored-by: Vishesh 'ironeagle' Bangotra <aetoskia@gmail.com>
Co-committed-by: Vishesh 'ironeagle' Bangotra <aetoskia@gmail.com>

react-openapi/components/ProfileView.tsx

@@ -3,6 +3,7 @@ import { Box, Typography, Paper, CircularProgress, Alert } from '@mui/material';
 import { useResource } from '../hooks/useResource';
 import GenericForm from './GenericForm';
 import { ConfigContext } from '../providers/ConfigContext';
+import { defaultFieldComponents } from './fields/DefaultFieldComponents';
 
 export default function ProfileView() {
   const appConfig = React.useContext(ConfigContext);
@@ -13,11 +14,10 @@ export default function ProfileView() {
     return <Alert severity="error">Profile configuration not found.</Alert>;
   }
 
-  // Create a modified config where only extraFields are editable
   const editableConfig = React.useMemo(() => {
     const newFields = { ...resourceConfig.fields };
     const extraFields = profileConfig.extraFields || [];
-    
+
     Object.keys(newFields).forEach(key => {
       newFields[key] = {
         ...newFields[key],
@@ -31,13 +31,12 @@ export default function ProfileView() {
     };
   }, [resourceConfig, profileConfig.extraFields]);
 
-  const { useMe, useUpdateMe } = useResource(resourceConfig);
+  const { useMe, useUpdateMe } = useResource(resourceConfig, { fieldComponents: defaultFieldComponents });
   const { data: profile, isLoading, error } = useMe();
   const updateMutation = useUpdateMe();
 
   const handleSave = async (formData: any) => {
     try {
-      // Only send editable fields to prevent accidental overwrites of read-only data
       const extraFields = profileConfig.extraFields || [];
       const dataToSave = Object.keys(formData)
         .filter(key => extraFields.includes(key))
@@ -76,6 +75,7 @@ export default function ProfileView() {
           onSave={handleSave}
           onCancel={() => window.history.back()}
           loading={updateMutation.isPending}
+          fieldComponents={defaultFieldComponents}
         />
       </Paper>
     </Box>