Enable vue/no-unused-vars and fix template loop variable

Co-Authored-By: Codex <codex@openai.com>

src/views/Files/Files.vue

@@ -156,7 +156,7 @@
           <!-- card item v-for -->
           <li
             class="w-[216px] min-w-[216px] h-full p-4 border rounded border-neutral-300 hover:bg-primary/10 hover:border-primary duration-300 flex flex-col justify-between cursor-pointer"
-            v-for="(file, index) in recentlyUsedFiles.slice(0, 6)"
+            v-for="file in recentlyUsedFiles.slice(0, 6)"
             :key="file.id"
             @dblclick="enterDiscover(file)"
             :title="file.name"