feat(machine) : single save button + link versioning display

- Replace auto-save-on-blur with single "Enregistrer" button
- Add Cancel button that resets local state
- Expose saveFieldDefinitions via defineExpose on MachineInfoCard
- Remove standalone save button from MachineCustomFieldDefEditor
- Add saveAllMachineCustomFields batch method
- Add submitEdition/cancelEdition/saving/canSubmit to orchestrator
- Show diff summary badges in version list entries
- Show link changes in restore modal description

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/components/machine/MachineInfoCard.vue

@@ -14,7 +14,6 @@
             type="text"
             class="input input-bordered"
             @input="$emit('update:machine-name', ($event.target as HTMLInputElement).value)"
-            @blur="$emit('blur-field')"
           />
           <div v-else class="input input-bordered bg-base-200">
             {{ machineName }}
@@ -28,7 +27,7 @@
             v-if="isEditMode"
             :value="machineSiteId"
             class="select select-bordered"
-            @change="$emit('update:machine-site-id', ($event.target as HTMLSelectElement).value); $emit('blur-field')"
+            @change="$emit('update:machine-site-id', ($event.target as HTMLSelectElement).value)"
           >
             <option value="">Sélectionner un site</option>
             <option
@@ -54,7 +53,6 @@
             type="text"
             class="input input-bordered"
             @input="$emit('update:machine-reference', ($event.target as HTMLInputElement).value)"
-            @blur="$emit('blur-field')"
           />
           <div v-else class="input input-bordered bg-base-200">
             {{ machineReference }}
@@ -115,7 +113,6 @@
                 class="input input-bordered input-sm"
                 :required="field.required"
                 @input="$emit('set-custom-field-value', field, ($event.target as HTMLInputElement).value)"
-                @blur="$emit('update-custom-field', field)"
               />
               <input
                 v-else-if="field.type === 'number'"
@@ -124,7 +121,6 @@
                 class="input input-bordered input-sm"
                 :required="field.required"
                 @input="$emit('set-custom-field-value', field, ($event.target as HTMLInputElement).value)"
-                @blur="$emit('update-custom-field', field)"
               />
               <select
                 v-else-if="field.type === 'select'"
@@ -132,7 +128,6 @@
                 class="select select-bordered select-sm"
                 :required="field.required"
                 @change="$emit('set-custom-field-value', field, ($event.target as HTMLSelectElement).value)"
-                @blur="$emit('update-custom-field', field)"
               >
                 <option value="">Sélectionner...</option>
                 <option
@@ -149,7 +144,6 @@
                   class="toggle toggle-primary toggle-sm"
                   :checked="String(field.value).toLowerCase() === 'true'"
                   @change="$emit('set-custom-field-value', field, ($event.target as HTMLInputElement).checked ? 'true' : 'false')"
-                  @blur="$emit('update-custom-field', field)"
                 >
                 <span class="text-sm" :class="String(field.value).toLowerCase() === 'true' ? 'text-success font-medium' : 'text-base-content/60'">{{ String(field.value).toLowerCase() === 'true' ? 'Oui' : 'Non' }}</span>
               </label>
@@ -160,7 +154,6 @@
                 class="input input-bordered input-sm"
                 :required="field.required"
                 @input="$emit('set-custom-field-value', field, ($event.target as HTMLInputElement).value)"
-                @blur="$emit('update-custom-field', field)"
               />
               <div v-else class="text-xs text-error">
                 Type de champ non pris en charge
@@ -184,7 +177,6 @@
           :on-drag-enter="fieldDefs.onDragEnter"
           :on-drop="fieldDefs.onDrop"
           :on-drag-end="fieldDefs.onDragEnd"
-          @save="fieldDefs.saveDefinitions()"
           @add-field="fieldDefs.addField()"
           @remove-field="fieldDefs.removeField($event)"
         />
@@ -224,9 +216,7 @@ const emit = defineEmits<{
   'update:machine-reference': [value: string]
   'update:machine-site-id': [value: string]
   'update:constructeur-ids': [ids: unknown]
-  'blur-field': []
   'set-custom-field-value': [field: any, value: unknown]
-  'update-custom-field': [field: any]
   'custom-fields-saved': []
 }>()
 
@@ -239,4 +229,8 @@ const fieldDefs = useMachineCustomFieldDefs({
 watch(() => props.machineCustomFieldDefs, (newDefs) => {
   fieldDefs.reinit(newDefs)
 }, { deep: true })
+
+defineExpose({
+  saveFieldDefinitions: () => fieldDefs.saveDefinitions(),
+})
 </script>