feat(audit) : pagination défaut 10 + filtres employé/utilisateur en select

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend/pages/audit-logs.vue

@@ -17,7 +17,7 @@
         :total-items="list.total.value"
         :page="list.page.value"
         :per-page="list.perPage.value"
-        :per-page-options="[25, 50, 100]"
+        :per-page-options="[10, 25, 50, 100]"
         empty-message="Aucune entrée trouvée."
         @row-click="openDetail"
         @update:page="list.goToPage($event)"
@@ -97,7 +97,11 @@
         </MalioAccordionItem>
 
         <MalioAccordionItem title="Utilisateur / compte" value="username">
-          <MalioInputText v-model="list.draftUsername.value" icon-name="mdi:magnify" />
+          <MalioSelect
+            v-model="list.draftUsername.value"
+            :options="list.usernameOptions.value"
+            empty-option-label="Tous"
+          />
         </MalioAccordionItem>
 
         <MalioAccordionItem title="IP" value="ip">