docs : add custom fields simplification implementation plan

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2026-04-04 12:37:15 +02:00
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# Custom Fields Simplification — Implementation Plan
> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
**Goal:** Replace 3 parallel custom fields frontend implementations (~2900 lines, 9 files) with a single unified module (~400 lines, 2 files), then migrate all consumers.
**Architecture:** One pure-logic module (`customFields.ts`) with types + helpers, one reactive composable (`useCustomFieldInputs.ts`) wrapping it. The existing API composable `useCustomFields.ts` stays as-is (it's the HTTP layer). The backend already returns a consistent format — only one minor fix needed (add `defaultValue` to serialization groups).
**Tech Stack:** TypeScript, Vue 3 Composition API, Nuxt 4 auto-imports
**Spec:** `docs/superpowers/specs/2026-04-04-custom-fields-simplification-design.md`
---
## File Map
### New files
- `frontend/app/shared/utils/customFields.ts` — types + pure helpers (merge, filter, format, sort)
- `frontend/app/composables/useCustomFieldInputs.ts` — reactive composable wrapping pure helpers + API
### Files to delete (end of migration)
- `frontend/app/shared/utils/entityCustomFieldLogic.ts`
- `frontend/app/shared/utils/customFieldUtils.ts`
- `frontend/app/shared/utils/customFieldFormUtils.ts`
- `frontend/app/composables/useEntityCustomFields.ts`
### Backend file (minor fix)
- `src/Entity/CustomField.php` — add `defaultValue` to serialization groups
### Files to refactor (update imports)
- `frontend/app/composables/useComponentEdit.ts`
- `frontend/app/composables/useComponentCreate.ts`
- `frontend/app/composables/usePieceEdit.ts`
- `frontend/app/composables/useMachineDetailCustomFields.ts`
- `frontend/app/components/ComponentItem.vue`
- `frontend/app/components/PieceItem.vue`
- `frontend/app/components/common/CustomFieldDisplay.vue`
- `frontend/app/components/common/CustomFieldInputGrid.vue`
- `frontend/app/components/machine/MachineCustomFieldsCard.vue`
- `frontend/app/components/machine/MachineInfoCard.vue`
- `frontend/app/pages/pieces/create.vue`
- `frontend/app/pages/product/create.vue`
- `frontend/app/pages/product/[id]/edit.vue`
- `frontend/app/pages/product/[id]/index.vue`
- `frontend/app/shared/model/componentStructure.ts`
- `frontend/app/shared/model/componentStructureSanitize.ts`
- `frontend/app/shared/model/componentStructureHydrate.ts`
---
## Task 1: Backend — Add `defaultValue` to serialization groups
**Files:**
- Modify: `src/Entity/CustomField.php:62-63`
- [ ] **Step 1: Add Groups attribute to defaultValue**
In `src/Entity/CustomField.php`, the `defaultValue` property (line 62-63) currently has no `#[Groups]` attribute. Add it so API Platform includes `defaultValue` in all read responses, matching what `MachineStructureController` already returns.
```php
#[ORM\Column(type: Types::STRING, length: 255, nullable: true, name: 'defaultValue')]
#[Groups(['composant:read', 'piece:read', 'product:read', 'machine:read'])]
private ?string $defaultValue = null;
```
- [ ] **Step 2: Run linter**
```bash
make php-cs-fixer-allow-risky
```
- [ ] **Step 3: Commit**
```bash
git add src/Entity/CustomField.php
git commit -m "fix(api) : expose defaultValue in custom field serialization groups"
```
---
## Task 2: Create unified pure-logic module `customFields.ts`
**Files:**
- Create: `frontend/app/shared/utils/customFields.ts`
This replaces all the types and pure functions from `entityCustomFieldLogic.ts` (335 lines), `customFieldUtils.ts` (440 lines), and `customFieldFormUtils.ts` (404 lines).
- [ ] **Step 1: Write the types and all pure helper functions**
```typescript
/**
* Unified custom field types and pure helpers.
*
* Replaces: entityCustomFieldLogic.ts, customFieldUtils.ts, customFieldFormUtils.ts
*/
// ---------------------------------------------------------------------------
// Types
// ---------------------------------------------------------------------------
/** A custom field definition (from ModelType structure or CustomField entity) */
export interface CustomFieldDefinition {
id: string | null
name: string
type: string
required: boolean
options: string[]
defaultValue: string | null
orderIndex: number
machineContextOnly: boolean
}
/** A persisted custom field value (from CustomFieldValue entity via API) */
export interface CustomFieldValue {
id: string
value: string
customField: CustomFieldDefinition
}
/** Merged definition + value for form display and editing */
export interface CustomFieldInput {
customFieldId: string | null
customFieldValueId: string | null
name: string
type: string
required: boolean
options: string[]
defaultValue: string | null
orderIndex: number
machineContextOnly: boolean
value: string
}
// ---------------------------------------------------------------------------
// Normalization — accept any shape, return canonical types
// ---------------------------------------------------------------------------
const ALLOWED_TYPES = ['text', 'number', 'select', 'boolean', 'date'] as const
/**
* Normalize any raw field definition object into a CustomFieldDefinition.
* Handles both standard `{name, type}` and legacy `{key, value: {type}}` formats.
*/
export function normalizeDefinition(raw: any, fallbackIndex = 0): CustomFieldDefinition | null {
if (!raw || typeof raw !== 'object') return null
// Resolve name: standard → legacy key → label
const name = (
typeof raw.name === 'string' ? raw.name.trim() :
typeof raw.key === 'string' ? raw.key.trim() :
typeof raw.label === 'string' ? raw.label.trim() :
''
)
if (!name) return null
// Resolve type: standard → nested in value → fallback
const rawType = (
typeof raw.type === 'string' ? raw.type :
typeof raw.value?.type === 'string' ? raw.value.type :
'text'
).toLowerCase()
const type = ALLOWED_TYPES.includes(rawType as any) ? rawType : 'text'
// Resolve required
const required = typeof raw.required === 'boolean' ? raw.required
: typeof raw.value?.required === 'boolean' ? raw.value.required
: false
// Resolve options
const optionSource = Array.isArray(raw.options) ? raw.options
: Array.isArray(raw.value?.options) ? raw.value.options
: []
const options = optionSource
.map((o: any) => typeof o === 'string' ? o.trim() : typeof o?.value === 'string' ? o.value.trim() : String(o ?? '').trim())
.filter((o: string) => o.length > 0 && o !== '[object Object]')
// Resolve defaultValue
const dv = raw.defaultValue ?? raw.value?.defaultValue ?? null
const defaultValue = dv !== null && dv !== undefined && dv !== '' ? String(dv) : null
// Resolve orderIndex
const orderIndex = typeof raw.orderIndex === 'number' ? raw.orderIndex : fallbackIndex
// Resolve machineContextOnly
const machineContextOnly = !!raw.machineContextOnly
// Resolve id
const id = typeof raw.id === 'string' ? raw.id
: typeof raw.customFieldId === 'string' ? raw.customFieldId
: null
return { id, name, type, required, options, defaultValue, orderIndex, machineContextOnly }
}
/**
* Normalize a raw value entry into a CustomFieldValue.
* Accepts the API format: `{ id, value, customField: {...} }`
*/
export function normalizeValue(raw: any): CustomFieldValue | null {
if (!raw || typeof raw !== 'object') return null
const cf = raw.customField
const definition = normalizeDefinition(cf)
if (!definition) return null
const id = typeof raw.id === 'string' ? raw.id : ''
const value = raw.value !== null && raw.value !== undefined ? String(raw.value) : ''
return { id, value, customField: definition }
}
/**
* Normalize an array of raw definitions into CustomFieldDefinition[].
*/
export function normalizeDefinitions(raw: any): CustomFieldDefinition[] {
if (!Array.isArray(raw)) return []
return raw
.map((item: any, i: number) => normalizeDefinition(item, i))
.filter((d: any): d is CustomFieldDefinition => d !== null)
.sort((a, b) => a.orderIndex - b.orderIndex)
}
/**
* Normalize an array of raw values into CustomFieldValue[].
*/
export function normalizeValues(raw: any): CustomFieldValue[] {
if (!Array.isArray(raw)) return []
return raw
.map((item: any) => normalizeValue(item))
.filter((v: any): v is CustomFieldValue => v !== null)
}
// ---------------------------------------------------------------------------
// Merge — THE one merge function
// ---------------------------------------------------------------------------
/**
* Merge definitions from a ModelType with persisted values from an entity.
* Returns a CustomFieldInput[] ready for form display.
*
* Match strategy: by customField.id first, then by name (case-sensitive).
* When no value exists for a definition, uses defaultValue as initial value.
*/
export function mergeDefinitionsWithValues(
rawDefinitions: any,
rawValues: any,
): CustomFieldInput[] {
const definitions = normalizeDefinitions(rawDefinitions)
const values = normalizeValues(rawValues)
// Build lookup maps for values
const valueById = new Map<string, CustomFieldValue>()
const valueByName = new Map<string, CustomFieldValue>()
for (const v of values) {
if (v.customField.id) valueById.set(v.customField.id, v)
valueByName.set(v.customField.name, v)
}
const matchedValueIds = new Set<string>()
const matchedNames = new Set<string>()
// 1. Map definitions to inputs, matching values
const result: CustomFieldInput[] = definitions.map((def) => {
const matched = (def.id ? valueById.get(def.id) : undefined) ?? valueByName.get(def.name)
if (matched) {
if (matched.id) matchedValueIds.add(matched.id)
matchedNames.add(def.name)
return {
customFieldId: def.id,
customFieldValueId: matched.id || null,
name: def.name,
type: def.type,
required: def.required,
options: def.options,
defaultValue: def.defaultValue,
orderIndex: def.orderIndex,
machineContextOnly: def.machineContextOnly,
value: matched.value,
}
}
// No value found — use defaultValue
return {
customFieldId: def.id,
customFieldValueId: null,
name: def.name,
type: def.type,
required: def.required,
options: def.options,
defaultValue: def.defaultValue,
orderIndex: def.orderIndex,
machineContextOnly: def.machineContextOnly,
value: def.defaultValue ?? '',
}
})
// 2. Add orphan values (have a value but no matching definition)
for (const v of values) {
if (matchedValueIds.has(v.id)) continue
if (matchedNames.has(v.customField.name)) continue
result.push({
customFieldId: v.customField.id,
customFieldValueId: v.id || null,
name: v.customField.name,
type: v.customField.type,
required: v.customField.required,
options: v.customField.options,
defaultValue: v.customField.defaultValue,
orderIndex: v.customField.orderIndex,
machineContextOnly: v.customField.machineContextOnly,
value: v.value,
})
}
return result.sort((a, b) => a.orderIndex - b.orderIndex)
}
// ---------------------------------------------------------------------------
// Filter & sort
// ---------------------------------------------------------------------------
/** Filter fields by context: standalone hides machineContextOnly, machine shows only machineContextOnly */
export function filterByContext(
fields: CustomFieldInput[],
context: 'standalone' | 'machine',
): CustomFieldInput[] {
if (context === 'machine') return fields.filter((f) => f.machineContextOnly)
return fields.filter((f) => !f.machineContextOnly)
}
/** Sort fields by orderIndex */
export function sortByOrder(fields: CustomFieldInput[]): CustomFieldInput[] {
return [...fields].sort((a, b) => a.orderIndex - b.orderIndex)
}
// ---------------------------------------------------------------------------
// Display helpers
// ---------------------------------------------------------------------------
/** Format a field value for display (e.g. boolean → Oui/Non) */
export function formatValueForDisplay(field: CustomFieldInput): string {
const raw = field.value ?? ''
if (field.type === 'boolean') {
const normalized = String(raw).toLowerCase()
if (normalized === 'true' || normalized === '1') return 'Oui'
if (normalized === 'false' || normalized === '0') return 'Non'
}
return raw || 'Non défini'
}
/** Whether a field has a displayable value */
export function hasDisplayableValue(field: CustomFieldInput): boolean {
if (field.type === 'boolean') return field.value !== undefined && field.value !== null && field.value !== ''
return typeof field.value === 'string' && field.value.trim().length > 0
}
/** Stable key for v-for rendering */
export function fieldKey(field: CustomFieldInput, index: number): string {
return field.customFieldValueId || field.customFieldId || `${field.name}-${index}`
}
// ---------------------------------------------------------------------------
// Persistence helpers
// ---------------------------------------------------------------------------
/** Whether a field should be persisted (non-empty value) */
export function shouldPersist(field: CustomFieldInput): boolean {
if (field.type === 'boolean') return field.value === 'true' || field.value === 'false'
return typeof field.value === 'string' && field.value.trim() !== ''
}
/** Format value for save (trim, boolean coercion) */
export function formatValueForSave(field: CustomFieldInput): string {
if (field.type === 'boolean') return field.value === 'true' ? 'true' : 'false'
return typeof field.value === 'string' ? field.value.trim() : ''
}
/** Check if all required fields are filled */
export function requiredFieldsFilled(fields: CustomFieldInput[]): boolean {
return fields.every((field) => {
if (!field.required) return true
return shouldPersist(field)
})
}
```
- [ ] **Step 2: Run lint**
```bash
cd frontend && npm run lint:fix
```
- [ ] **Step 3: Commit**
```bash
git add frontend/app/shared/utils/customFields.ts
git commit -m "feat(custom-fields) : add unified pure-logic custom fields module"
```
---
## Task 3: Create unified composable `useCustomFieldInputs.ts`
**Files:**
- Create: `frontend/app/composables/useCustomFieldInputs.ts`
This replaces `useEntityCustomFields.ts` (181 lines) and the custom field parts of `useMachineDetailCustomFields.ts`.
- [ ] **Step 1: Write the composable**
```typescript
/**
* Unified reactive custom field management composable.
*
* Replaces: useEntityCustomFields.ts, custom field parts of useMachineDetailCustomFields.ts,
* and inline custom field logic in useComponentEdit/useComponentCreate/usePieceEdit.
*/
import { computed, type MaybeRef, toValue } from 'vue'
import { useCustomFields } from '~/composables/useCustomFields'
import { useToast } from '~/composables/useToast'
import {
mergeDefinitionsWithValues,
filterByContext,
formatValueForSave,
shouldPersist,
requiredFieldsFilled,
type CustomFieldDefinition,
type CustomFieldValue,
type CustomFieldInput,
} from '~/shared/utils/customFields'
export type { CustomFieldDefinition, CustomFieldValue, CustomFieldInput }
export type CustomFieldEntityType =
| 'machine'
| 'composant'
| 'piece'
| 'product'
| 'machineComponentLink'
| 'machinePieceLink'
export interface UseCustomFieldInputsOptions {
/** Custom field definitions (from ModelType structure or machine.customFields) */
definitions: MaybeRef<any[]>
/** Persisted custom field values (from entity.customFieldValues or link.contextCustomFieldValues) */
values: MaybeRef<any[]>
/** Entity type for API upsert calls */
entityType: CustomFieldEntityType
/** Entity ID for API upsert calls */
entityId: MaybeRef<string | null>
/** Filter context: 'standalone' hides machineContextOnly, 'machine' shows only machineContextOnly */
context?: 'standalone' | 'machine'
}
export function useCustomFieldInputs(options: UseCustomFieldInputsOptions) {
const { entityType, context } = options
const {
updateCustomFieldValue: updateApi,
upsertCustomFieldValue,
} = useCustomFields()
const { showSuccess, showError } = useToast()
// Merged fields: definitions + values
const allFields = computed<CustomFieldInput[]>(() => {
const defs = toValue(options.definitions)
const vals = toValue(options.values)
return mergeDefinitionsWithValues(defs, vals)
})
// Filtered by context (standalone vs machine)
const fields = computed<CustomFieldInput[]>(() => {
if (!context) return allFields.value
return filterByContext(allFields.value, context)
})
// Validation
const requiredFilled = computed(() => requiredFieldsFilled(fields.value))
// Update a single field value
const update = async (field: CustomFieldInput): Promise<boolean> => {
const id = toValue(options.entityId)
if (!id) {
showError(`Impossible de sauvegarder le champ "${field.name}"`)
return false
}
const value = formatValueForSave(field)
// Update existing value
if (field.customFieldValueId) {
const result: any = await updateApi(field.customFieldValueId, { value })
if (result.success) {
showSuccess(`Champ "${field.name}" mis à jour`)
return true
}
showError(`Erreur lors de la mise à jour du champ "${field.name}"`)
return false
}
// Create new value via upsert
if (!field.customFieldId) {
showError(`Impossible de sauvegarder le champ "${field.name}" (identifiant manquant)`)
return false
}
const result: any = await upsertCustomFieldValue(
field.customFieldId,
entityType,
id,
value,
)
if (result.success) {
// Update field with the newly created value ID
if (result.data?.id) {
field.customFieldValueId = result.data.id
}
showSuccess(`Champ "${field.name}" enregistré`)
return true
}
showError(`Erreur lors de l'enregistrement du champ "${field.name}"`)
return false
}
// Save all fields that have values
const saveAll = async (): Promise<string[]> => {
const id = toValue(options.entityId)
if (!id) return ['(entity ID missing)']
const failed: string[] = []
for (const field of fields.value) {
if (!shouldPersist(field)) continue
const value = formatValueForSave(field)
if (field.customFieldValueId) {
const result: any = await updateApi(field.customFieldValueId, { value })
if (!result.success) failed.push(field.name)
continue
}
if (!field.customFieldId) {
failed.push(field.name)
continue
}
const result: any = await upsertCustomFieldValue(
field.customFieldId,
entityType,
id,
value,
)
if (result.success) {
if (result.data?.id) {
field.customFieldValueId = result.data.id
}
} else {
failed.push(field.name)
}
}
return failed
}
return {
/** All merged fields filtered by context */
fields,
/** All merged fields (unfiltered) */
allFields,
/** Whether all required fields have values */
requiredFilled,
/** Update a single field value via API */
update,
/** Save all fields with values, returns list of failed field names */
saveAll,
}
}
```
- [ ] **Step 2: Run lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
- [ ] **Step 3: Commit**
```bash
git add frontend/app/composables/useCustomFieldInputs.ts
git commit -m "feat(custom-fields) : add unified useCustomFieldInputs composable"
```
---
## Task 4: Migrate `CustomFieldInputGrid.vue` and `CustomFieldDisplay.vue`
These are shared components used everywhere. Migrate them first so downstream consumers can use the new types.
**Files:**
- Modify: `frontend/app/components/common/CustomFieldInputGrid.vue`
- Modify: `frontend/app/components/common/CustomFieldDisplay.vue`
- [ ] **Step 1: Migrate `CustomFieldInputGrid.vue`**
Replace the import from `customFieldFormUtils`:
```typescript
// OLD
import { fieldKey, type CustomFieldInput } from '~/shared/utils/customFieldFormUtils'
// NEW
import { fieldKey, type CustomFieldInput } from '~/shared/utils/customFields'
```
- [ ] **Step 2: Migrate `CustomFieldDisplay.vue`**
Replace all imports from `entityCustomFieldLogic` with the new module. Read the file first to identify the exact imports, then replace:
```typescript
// OLD
import {
resolveFieldKey,
resolveFieldName,
resolveFieldType,
resolveFieldOptions,
resolveFieldReadOnly,
formatFieldDisplayValue,
resolveCustomFieldId,
} from '~/shared/utils/entityCustomFieldLogic'
// NEW
import {
fieldKey,
formatValueForDisplay,
hasDisplayableValue,
type CustomFieldInput,
} from '~/shared/utils/customFields'
```
Note: `CustomFieldDisplay.vue` accesses field properties directly (`.name`, `.type`, `.options`, `.value`). With the new typed `CustomFieldInput`, direct property access replaces the `resolveFieldXxx()` wrapper functions. Read the full file and adapt the template accordingly.
- [ ] **Step 3: Run lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
- [ ] **Step 4: Commit**
```bash
git add frontend/app/components/common/CustomFieldInputGrid.vue frontend/app/components/common/CustomFieldDisplay.vue
git commit -m "refactor(custom-fields) : migrate shared display components to unified module"
```
---
## Task 5: Migrate standalone composables (`useComponentEdit`, `useComponentCreate`, `usePieceEdit`)
**Files:**
- Modify: `frontend/app/composables/useComponentEdit.ts`
- Modify: `frontend/app/composables/useComponentCreate.ts`
- Modify: `frontend/app/composables/usePieceEdit.ts`
For each file:
1. Read the full file to understand the current custom field logic
2. Replace imports from `customFieldFormUtils` with the new module
3. Replace `buildCustomFieldInputs(structure, values)` with `mergeDefinitionsWithValues(structure?.customFields, values)`
4. Replace `requiredCustomFieldsFilled(customFieldInputs.value)` with `requiredFieldsFilled(fields)`
5. Replace `saveCustomFieldValues(...)` with `saveAll()` from `useCustomFieldInputs`
6. Replace `normalizeCustomFieldInputs(structure)` with `normalizeDefinitions(structure?.customFields)`
- [ ] **Step 1: Migrate `useComponentEdit.ts`**
Read the file. Replace the `customFieldFormUtils` imports and the `refreshCustomFieldInputs` / `buildCustomFieldInputs` calls with `useCustomFieldInputs`. The composable should receive `selectedTypeStructure.value?.customFields` as definitions and `component.value?.customFieldValues` as values.
- [ ] **Step 2: Migrate `useComponentCreate.ts`**
Same pattern. Definitions come from `selectedType.value?.structure?.customFields`, values are empty `[]` for creation.
- [ ] **Step 3: Migrate `usePieceEdit.ts`**
Same pattern. Definitions come from the piece type structure, values from `piece.customFieldValues`.
- [ ] **Step 4: Run lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
- [ ] **Step 5: Verify**
Open each page in the browser:
- `/component/{id}` — check custom fields display and edit
- `/component/create` — check custom fields with default values
- `/pieces/{id}/edit` — check custom fields display and edit
- [ ] **Step 6: Commit**
```bash
git add frontend/app/composables/useComponentEdit.ts frontend/app/composables/useComponentCreate.ts frontend/app/composables/usePieceEdit.ts
git commit -m "refactor(custom-fields) : migrate standalone composables to unified module"
```
---
## Task 6: Migrate standalone pages (product + piece create)
**Files:**
- Modify: `frontend/app/pages/pieces/create.vue`
- Modify: `frontend/app/pages/product/create.vue`
- Modify: `frontend/app/pages/product/[id]/edit.vue`
- Modify: `frontend/app/pages/product/[id]/index.vue`
These pages import directly from `customFieldFormUtils`. Replace with the new module.
- [ ] **Step 1: Read each file and identify all `customFieldFormUtils` imports**
- [ ] **Step 2: For each page, replace imports**
Replace:
```typescript
import { CustomFieldInput, normalizeCustomFieldInputs, buildCustomFieldInputs, requiredCustomFieldsFilled, saveCustomFieldValues } from '~/shared/utils/customFieldFormUtils'
```
With:
```typescript
import { type CustomFieldInput, normalizeDefinitions, mergeDefinitionsWithValues, requiredFieldsFilled } from '~/shared/utils/customFields'
import { useCustomFieldInputs } from '~/composables/useCustomFieldInputs'
```
Adapt the logic in each page to use `useCustomFieldInputs` or the pure helpers as appropriate.
- [ ] **Step 3: Run lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
- [ ] **Step 4: Verify**
Open each page in the browser:
- `/pieces/create` — check custom fields appear when selecting a type
- `/product/create` — same
- `/product/{id}/edit` — check fields display with values
- `/product/{id}` — check read-only display
- [ ] **Step 5: Commit**
```bash
git add frontend/app/pages/pieces/create.vue frontend/app/pages/product/create.vue frontend/app/pages/product/\[id\]/edit.vue frontend/app/pages/product/\[id\]/index.vue
git commit -m "refactor(custom-fields) : migrate product and piece pages to unified module"
```
---
## Task 7: Migrate machine page — `MachineCustomFieldsCard`, `MachineInfoCard`, `useMachineDetailCustomFields`
**Files:**
- Modify: `frontend/app/components/machine/MachineCustomFieldsCard.vue`
- Modify: `frontend/app/components/machine/MachineInfoCard.vue`
- Modify: `frontend/app/composables/useMachineDetailCustomFields.ts`
- [ ] **Step 1: Migrate `MachineCustomFieldsCard.vue` and `MachineInfoCard.vue`**
Replace:
```typescript
import { formatCustomFieldValue } from '~/shared/utils/customFieldUtils'
```
With:
```typescript
import { formatValueForDisplay, type CustomFieldInput } from '~/shared/utils/customFields'
```
Replace all calls to `formatCustomFieldValue(field)` with `formatValueForDisplay(field)`.
- [ ] **Step 2: Migrate `useMachineDetailCustomFields.ts`**
This is the biggest migration. Read the full file. The custom field logic needs to be replaced:
1. Replace imports from `customFieldUtils` with the new module
2. Replace `syncMachineCustomFields()` — use `mergeDefinitionsWithValues(machine.customFields, machine.customFieldValues)`
3. Replace `transformComponentCustomFields()` and `transformCustomFields()` — for each component/piece in the hierarchy, use `mergeDefinitionsWithValues(type.customFields, entity.customFieldValues)` then `filterByContext(fields, 'standalone')`
4. For context fields on links: `mergeDefinitionsWithValues(link.contextCustomFields, link.contextCustomFieldValues)`
5. Replace `updateMachineCustomField()`, `saveAllMachineCustomFields()`, `saveAllContextCustomFields()` with `useCustomFieldInputs` instances or direct API calls from `useCustomFields`
Keep the non-custom-field logic (constructeurs, products, transforms) in this file.
- [ ] **Step 3: Run lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
- [ ] **Step 4: Verify**
Open a machine page (`/machine/{id}`) that has:
- Machine-level custom fields
- Components with regular custom fields
- Components with machineContextOnly fields
Check display, edit, and save for all three.
- [ ] **Step 5: Commit**
```bash
git add frontend/app/components/machine/MachineCustomFieldsCard.vue frontend/app/components/machine/MachineInfoCard.vue frontend/app/composables/useMachineDetailCustomFields.ts
git commit -m "refactor(custom-fields) : migrate machine page to unified module"
```
---
## Task 8: Migrate hierarchy components (`ComponentItem.vue`, `PieceItem.vue`)
**Files:**
- Modify: `frontend/app/components/ComponentItem.vue`
- Modify: `frontend/app/components/PieceItem.vue`
- [ ] **Step 1: Migrate `ComponentItem.vue`**
Read the file. Replace:
```typescript
import { useEntityCustomFields } from '~/composables/useEntityCustomFields'
import { resolveFieldKey, resolveFieldName, ... } from '~/shared/utils/entityCustomFieldLogic'
```
With:
```typescript
import { useCustomFieldInputs } from '~/composables/useCustomFieldInputs'
import { fieldKey, formatValueForDisplay, hasDisplayableValue, type CustomFieldInput } from '~/shared/utils/customFields'
```
Replace `useEntityCustomFields({ entity: () => props.component, entityType: 'composant' })` with `useCustomFieldInputs(...)`, passing the type's customFields as definitions and the entity's customFieldValues as values.
Update the template to use the new field properties directly instead of `resolveFieldXxx()` functions.
- [ ] **Step 2: Migrate `PieceItem.vue`**
Same pattern as ComponentItem but with `entityType: 'piece'` and piece type fields.
- [ ] **Step 3: Run lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
- [ ] **Step 4: Verify**
Open a machine page and expand components/pieces in the hierarchy. Check custom fields display correctly.
- [ ] **Step 5: Commit**
```bash
git add frontend/app/components/ComponentItem.vue frontend/app/components/PieceItem.vue
git commit -m "refactor(custom-fields) : migrate ComponentItem and PieceItem to unified module"
```
---
## Task 9: Clean category editor files (`componentStructure*.ts`)
**Files:**
- Modify: `frontend/app/shared/model/componentStructure.ts`
- Modify: `frontend/app/shared/model/componentStructureSanitize.ts`
- Modify: `frontend/app/shared/model/componentStructureHydrate.ts`
- [ ] **Step 1: Read the three files and identify custom field code**
The custom field code in these files handles the category editor (defining fields on a ModelType skeleton). It's the `sanitizeCustomFields` and `hydrateCustomFields` functions, plus custom field handling in `normalizeStructureForEditor` and `normalizeStructureForSave`.
- [ ] **Step 2: Replace custom field sanitize/hydrate with `normalizeDefinitions` from the unified module**
In `componentStructure.ts`, replace the custom field handling in `normalizeStructureForEditor`:
```typescript
// OLD
const sanitizedCustomFields = sanitizeCustomFields(source.customFields)
const customFields = sanitizedCustomFields.map((field) => { ... })
// NEW
import { normalizeDefinitions } from '~/shared/utils/customFields'
const customFields = normalizeDefinitions(source.customFields)
```
Note: The category editor needs additional properties (`optionsText` for textarea display). These can be computed in the editor component itself rather than in the structure normalization.
- [ ] **Step 3: Run lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
- [ ] **Step 4: Verify**
Open `/component-category/{id}/edit` — check that custom fields are displayed, can be added/removed/reordered, and save correctly.
- [ ] **Step 5: Commit**
```bash
git add frontend/app/shared/model/componentStructure.ts frontend/app/shared/model/componentStructureSanitize.ts frontend/app/shared/model/componentStructureHydrate.ts
git commit -m "refactor(custom-fields) : clean category editor structure files"
```
---
## Task 10: Delete old files + final cleanup
**Files:**
- Delete: `frontend/app/shared/utils/entityCustomFieldLogic.ts`
- Delete: `frontend/app/shared/utils/customFieldUtils.ts`
- Delete: `frontend/app/shared/utils/customFieldFormUtils.ts`
- Delete: `frontend/app/composables/useEntityCustomFields.ts`
- Delete or rewrite: `frontend/tests/shared/customFieldFormUtils.test.ts`
- [ ] **Step 1: Verify no remaining imports of old files**
```bash
cd frontend && grep -r "entityCustomFieldLogic\|customFieldUtils\|customFieldFormUtils\|useEntityCustomFields" app/ --include="*.ts" --include="*.vue" -l
```
Expected: no results (0 files).
- [ ] **Step 2: Delete old files**
```bash
rm frontend/app/shared/utils/entityCustomFieldLogic.ts
rm frontend/app/shared/utils/customFieldUtils.ts
rm frontend/app/shared/utils/customFieldFormUtils.ts
rm frontend/app/composables/useEntityCustomFields.ts
rm frontend/tests/shared/customFieldFormUtils.test.ts
```
- [ ] **Step 3: Run full lint + typecheck**
```bash
cd frontend && npm run lint:fix && npx nuxi typecheck
```
Expected: 0 errors.
- [ ] **Step 4: Final smoke test**
Test all 4 contexts in the browser:
1. **Machine fields**`/machine/{id}` → machine-level custom fields
2. **Standalone entity**`/component/{id}` → custom fields display and edit
3. **Machine context**`/machine/{id}` → expand a component → machineContextOnly fields
4. **Category editor**`/component-category/{id}/edit` → custom field definitions
- [ ] **Step 5: Commit**
```bash
git add -A
git commit -m "refactor(custom-fields) : delete old parallel custom field modules"
```