refactor: remove dead code, complete quality sweep (FINAL-03)

- Remove unused _restartApp in Apps.vue
- Remove unused version computed in Home.vue
- Remove unused filteredCommunityApps in Marketplace.vue
- All metrics clean: 0 type errors, 0 build warnings, 515/515 tests pass

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

neode-ui/src/views/Home.vue

@@ -470,9 +470,6 @@ watch(() => loginTransition.startWelcomeTyping, (shouldStart) => {
   }, MS_PER_CHAR)
 }, { immediate: true })
 
-// @ts-ignore - Computed kept for future use
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-const version = computed(() => store.serverInfo?.version || '0.0.0')
 const packages = computed(() => store.packages)
 const appCount = computed(() => Object.keys(packages.value).length)
 const runningCount = computed(() =>