fix: a11y — tab panels v-show, radio roving-tabindex, table header label

web/src/views/DashboardView.vue

@@ -70,7 +70,9 @@
           <caption class="sr-only">Source health — last 24 hours</caption>
           <thead class="bg-surface-raised border-b border-surface-border">
             <tr>
-              <th scope="col" class="text-left px-4 py-2.5 text-text-dim font-medium text-xs uppercase tracking-wider w-4"></th>
+              <th scope="col" class="text-left px-4 py-2.5 text-text-dim font-medium text-xs uppercase tracking-wider w-4">
+                <span class="sr-only">Status</span>
+              </th>
               <th scope="col" class="text-left px-4 py-2.5 text-text-dim font-medium text-xs uppercase tracking-wider">Source</th>
               <th scope="col" class="text-right px-4 py-2.5 text-text-dim font-medium text-xs uppercase tracking-wider">Events</th>
               <th scope="col" class="text-right px-4 py-2.5 text-text-dim font-medium text-xs uppercase tracking-wider">Errors</th>

web/src/views/DiagnoseView.vue

@@ -17,6 +17,7 @@
         :aria-selected="activeTab === t.key"
         :id="`tab-${t.key}`"
         :aria-controls="`tabpanel-${t.key}`"
+        :tabindex="activeTab === t.key ? 0 : -1"
         @click="activeTab = t.key"
         :class="[
           'px-4 py-2 text-sm transition-colors border-b-2 -mb-px',
@@ -29,20 +30,22 @@
 
     <!-- Quick tab panel -->
     <div
-      v-if="activeTab === 'quick'"
+      v-show="activeTab === 'quick'"
       role="tabpanel"
       id="tabpanel-quick"
       aria-labelledby="tab-quick"
+      tabindex="0"
     >
       <QuickCapture />
     </div>
 
     <!-- Structured tab panel -->
     <div
-      v-else
+      v-show="activeTab === 'structured'"
       role="tabpanel"
       id="tabpanel-structured"
       aria-labelledby="tab-structured"
+      tabindex="0"
     >
       <IncidentForm @created="onCreated" />
       <div

web/src/views/SettingsView.vue

@@ -16,11 +16,14 @@
         </p>
         <div role="radiogroup" aria-labelledby="entry-point-label" class="flex gap-3">
           <button
-            v-for="opt in entryPointOptions"
+            v-for="(opt, idx) in entryPointOptions"
             :key="opt.value"
+            :ref="(el) => collectEntryRef(el, idx)"
             role="radio"
             :aria-checked="prefs.entry_point_style === opt.value"
+            :tabindex="prefs.entry_point_style === opt.value ? 0 : -1"
             @click="setEntryPoint(opt.value as 'topbar' | 'fab')"
+            @keydown="handleEntryPointKey($event, idx)"
             :class="[
               'flex-1 px-4 py-3 rounded border text-sm transition-colors text-left',
               prefs.entry_point_style === opt.value
@@ -186,7 +189,8 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { ref, onMounted, nextTick } from 'vue'
+import type { ComponentPublicInstance } from 'vue'
 
 const BASE = import.meta.env.BASE_URL.replace(/\/$/, '')
 
@@ -210,12 +214,29 @@ const saveStatus = ref<{ ok: boolean; msg: string } | null>(null)
 const showAddOverride = ref(false)
 const showApiKey = ref(false)
 const newRule = ref<SeverityOverride>({ name: '', pattern: '', override_severity: 'WARN', enabled: true })
+const entryPointBtnRefs = ref<HTMLButtonElement[]>([])
 
 const entryPointOptions = [
   { value: 'topbar', label: 'Top bar',  desc: 'Persistent input bar below the nav on every page' },
   { value: 'fab',    label: 'FAB',      desc: 'Floating action button in the bottom-right corner' },
 ]
 
+function collectEntryRef(el: any, idx: number) {
+  if (el instanceof HTMLButtonElement) entryPointBtnRefs.value[idx] = el
+}
+
+function handleEntryPointKey(e: KeyboardEvent, idx: number) {
+  let next = idx
+  if (e.key === 'ArrowRight' || e.key === 'ArrowDown') next = idx + 1
+  else if (e.key === 'ArrowLeft' || e.key === 'ArrowUp') next = idx - 1
+  else return
+  e.preventDefault()
+  const clamped = Math.max(0, Math.min(entryPointOptions.length - 1, next))
+  setEntryPoint(entryPointOptions[clamped]!.value as 'topbar' | 'fab')
+  const nextBtn = entryPointBtnRefs.value[clamped]
+  if (nextBtn) nextBtn.focus()
+}
+
 onMounted(async () => {
   try {
     const res = await fetch(`${BASE}/api/settings`)