refactor(09-05): CODE-09 purge — Phase 9 files (WHAT comments removed)

Frontend: AdminLayout, AdminSidebar, AdminOverviewView, AdminUsersView,
AdminQuotasView, AdminAiView, AdminAuditView, router/index.js, LoginView,
tailwind.config.js, api/admin.js — WHAT labels stripped; WHY constraints
preserved (D-16 anchors, security notes, api_key write-only invariant,
router guard rationale, D-08/D-09/D-10 decision refs, fetchWithRetry reason).
Backend: overview.py was already clean (no WHAT comments present).
Frontend: 137 tests pass, build succeeds.

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

frontend/src/views/admin/AdminQuotasView.vue

@@ -1,6 +1,5 @@
 <template>
   <div>
-    <!-- Loading state -->
     <div v-if="loading" class="bg-white rounded-xl border border-gray-200 p-8 text-center">
       <div class="flex items-center justify-center gap-2 text-gray-400 text-sm">
         <span class="animate-spin rounded-full border-2 border-current border-t-transparent w-4 h-4"></span>
@@ -8,13 +7,11 @@
       </div>
     </div>
 
-    <!-- Empty state -->
     <div v-else-if="rows.length === 0" class="bg-white rounded-xl border border-gray-200 p-12 text-center">
       <h3 class="text-sm font-semibold text-gray-900 mb-1">No users yet</h3>
       <p class="text-sm text-gray-500">Create the first user account to get started.</p>
     </div>
 
-    <!-- Quotas table -->
     <div v-else class="bg-white rounded-xl border border-gray-200 overflow-hidden divide-y divide-gray-200">
       <table class="w-full">
         <thead>
@@ -83,7 +80,6 @@
       </table>
     </div>
 
-    <!-- Error message -->
     <p v-if="loadError" class="mt-3 text-sm text-red-600">{{ loadError }}</p>
   </div>
 </template>
@@ -129,7 +125,6 @@ async function saveQuota(row) {
   savingId.value = row.id
   try {
     const result = await api.adminUpdateQuota(row.id, newBytes)
-    // Update the row in place
     const idx = rows.value.findIndex(r => r.id === row.id)
     if (idx !== -1) {
       rows.value[idx] = {
@@ -139,7 +134,6 @@ async function saveQuota(row) {
       }
       if (result.warning) {
         editWarning.value = true
-        // Keep edit mode open briefly to show warning, then close
         setTimeout(() => {
           editingId.value = null
           editWarning.value = false
@@ -161,11 +155,9 @@ onMounted(async () => {
   loading.value = true
   loadError.value = null
   try {
-    // Load users first to get email addresses
     const usersData = await api.adminListUsers()
     const users = usersData.items || []
 
-    // Fetch quotas for all users in parallel
     const quotaResults = await Promise.allSettled(
       users.map(u => api.adminGetUserQuota(u.id).then(q => ({ ...q, id: u.id, email: u.email })))
     )