fix: Resolve vue-tsc -b errors in KitsView and TimedExecuteView

KitsView: cast v-for Items array to fix string|number index type mismatch.
TimedExecuteView: remove unused X icon import.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/views/admin/KitsView.vue

@@ -488,7 +488,7 @@ async function handleImport() {
 
             <div v-else class="space-y-3">
               <div
-                v-for="(item, itemIdx) in currentKit.Items"
+                v-for="(item, itemIdx) in (currentKit.Items as any[])"
                 :key="itemIdx"
                 class="flex items-center gap-3 bg-neutral-800/50 border border-neutral-700/50 rounded-lg p-3"
               >

frontend/src/views/admin/TimedExecuteView.vue

@@ -9,7 +9,6 @@ import {
   Trash2,
   Clock,
   Settings as SettingsIcon,
-  X,
   UserPlus,
   UserMinus,
 } from 'lucide-vue-next'