diff --git a/app/Http/Controllers/Admin/SourceTypeController.php b/app/Http/Controllers/Admin/SourceTypeController.php
index 2fc05fa..88b4d04 100644
--- a/app/Http/Controllers/Admin/SourceTypeController.php
+++ b/app/Http/Controllers/Admin/SourceTypeController.php
@@ -76,7 +76,15 @@ class SourceTypeController extends Controller
     public function updateField(StoreSourceTypeFieldRequest $request, SourceType $sourceType, SourceTypeField $field): RedirectResponse
     {
         abort_if($field->source_type_id !== $sourceType->id, 404);
-        $field->update($request->validated());
+        $data = $request->validated();
+
+        if ($request->filled('options_raw')) {
+            $data['options'] = array_filter(array_map('trim', explode("\n", $request->input('options_raw'))));
+        } elseif ($request->input('type') !== 'select') {
+            $data['options'] = null;
+        }
+
+        $field->update($data);
         return back()->with('success', 'Champ mis à jour.');
     }
 
diff --git a/resources/views/admin/source-types/show.blade.php b/resources/views/admin/source-types/show.blade.php
index c214c02..bbc7f82 100644
--- a/resources/views/admin/source-types/show.blade.php
+++ b/resources/views/admin/source-types/show.blade.php
@@ -33,23 +33,74 @@
 
             <ul id="fields-list" class="divide-y divide-gray-100 dark:divide-gray-700">
                 @foreach($sourceType->fields as $field)
-                <li class="px-6 py-3 flex items-center gap-4" data-id="{{ $field->id }}">
-                    <span class="cursor-move text-gray-300 dark:text-gray-600 hover:text-gray-500 select-none">⠿</span>
-                    <div class="flex-1 grid grid-cols-4 gap-3 text-sm">
-                        <span class="font-mono text-indigo-700">{{ $field->name }}</span>
-                        <span class="text-gray-700 dark:text-gray-300">{{ $field->label }}</span>
-                        <span class="text-gray-500 dark:text-gray-400">{{ $field->type->value }}</span>
-                        <span class="text-gray-400 dark:text-gray-500">{{ $field->required ? 'Obligatoire' : 'Optionnel' }}</span>
+                <li class="px-6 py-3" data-id="{{ $field->id }}"
+                    x-data="{
+                        open: false,
+                        type: '{{ $field->type->value }}',
+                        optionsRaw: {{ json_encode(collect($field->options ?? [])->join("\n")) }}
+                    }">
+                    <div class="flex items-center gap-4">
+                        <span class="cursor-move text-gray-300 dark:text-gray-600 hover:text-gray-500 select-none">⠿</span>
+                        <div class="flex-1 grid grid-cols-4 gap-3 text-sm">
+                            <span class="font-mono text-indigo-700">{{ $field->name }}</span>
+                            <span class="text-gray-700 dark:text-gray-300">{{ $field->label }}</span>
+                            <span class="text-gray-500 dark:text-gray-400">{{ $field->type->value }}</span>
+                            <span class="text-gray-400 dark:text-gray-500">{{ $field->required ? 'Obligatoire' : 'Optionnel' }}</span>
+                        </div>
+                        <div class="flex gap-2">
+                            <button type="button" @click="open = !open"
+                                    class="text-xs text-gray-500 dark:text-gray-400 hover:text-indigo-600"
+                                    x-text="open ? 'Annuler' : 'Modifier'">Modifier</button>
+                            <form method="POST" action="{{ route('admin.source-types.fields.destroy', [$sourceType, $field]) }}"
+                                  x-data @submit.prevent="if(confirm('Supprimer ce champ ?')) $el.submit()">
+                                @csrf @method('DELETE')
+                                <button type="submit" class="text-xs text-red-500 hover:text-red-700">Supprimer</button>
+                            </form>
+                        </div>
                     </div>
-                    <div class="flex gap-2">
-                        <button type="button"
-                                x-data="{ open: false }"
-                                @click="open = !open"
-                                class="text-xs text-gray-500 dark:text-gray-400 hover:text-indigo-600">Modifier</button>
-                        <form method="POST" action="{{ route('admin.source-types.fields.destroy', [$sourceType, $field]) }}"
-                              x-data @submit.prevent="if(confirm('Supprimer ce champ ?')) $el.submit()">
-                            @csrf @method('DELETE')
-                            <button type="submit" class="text-xs text-red-500 hover:text-red-700">Supprimer</button>
+
+                    {{-- Formulaire d'édition inline --}}
+                    <div x-show="open" x-cloak class="mt-3 pl-8 border-t border-gray-100 dark:border-gray-700 pt-3">
+                        <form method="POST" action="{{ route('admin.source-types.fields.update', [$sourceType, $field]) }}">
+                            @csrf @method('PUT')
+                            <div class="grid grid-cols-2 gap-3">
+                                <div>
+                                    <label class="block text-xs font-medium text-gray-600 dark:text-gray-400 mb-1">Nom technique</label>
+                                    <input type="text" name="name" value="{{ $field->name }}" required
+                                           class="block w-full rounded-md border-gray-300 dark:border-gray-600 shadow-sm text-sm focus:border-indigo-500 focus:ring-indigo-500">
+                                </div>
+                                <div>
+                                    <label class="block text-xs font-medium text-gray-600 dark:text-gray-400 mb-1">Libellé affiché</label>
+                                    <input type="text" name="label" value="{{ $field->label }}" required
+                                           class="block w-full rounded-md border-gray-300 dark:border-gray-600 shadow-sm text-sm focus:border-indigo-500 focus:ring-indigo-500">
+                                </div>
+                                <div>
+                                    <label class="block text-xs font-medium text-gray-600 dark:text-gray-400 mb-1">Type</label>
+                                    <select name="type" x-model="type"
+                                            class="block w-full rounded-md border-gray-300 dark:border-gray-600 shadow-sm text-sm focus:border-indigo-500 focus:ring-indigo-500">
+                                        @foreach(\App\Enums\FieldType::cases() as $ft)
+                                            <option value="{{ $ft->value }}" {{ $field->type->value === $ft->value ? 'selected' : '' }}>{{ $ft->value }}</option>
+                                        @endforeach
+                                    </select>
+                                    <div x-show="type === 'select'" x-cloak class="mt-2">
+                                        <label class="block text-xs font-medium text-gray-600 dark:text-gray-400 mb-1">Options (une par ligne)</label>
+                                        <textarea name="options_raw" rows="3" x-model="optionsRaw"
+                                                  class="block w-full rounded-md border-gray-300 dark:border-gray-600 shadow-sm text-sm focus:border-indigo-500 focus:ring-indigo-500"></textarea>
+                                    </div>
+                                </div>
+                                <div class="flex items-end">
+                                    <label class="flex items-center gap-2 text-sm text-gray-700 dark:text-gray-300">
+                                        <input type="checkbox" name="required" value="1" {{ $field->required ? 'checked' : '' }}
+                                               class="rounded border-gray-300 dark:border-gray-600 text-indigo-600 focus:ring-indigo-500">
+                                        Champ obligatoire
+                                    </label>
+                                </div>
+                            </div>
+                            <div class="mt-3">
+                                <button type="submit" class="px-3 py-1.5 bg-indigo-600 text-white text-xs rounded-md hover:bg-indigo-700">
+                                    Enregistrer
+                                </button>
+                            </div>
                         </form>
                     </div>
                 </li>