diff --git a/frontend/src/components/gallery/BulkEditorPanel.vue b/frontend/src/components/gallery/BulkEditorPanel.vue
new file mode 100644
index 0000000..d7775eb
--- /dev/null
+++ b/frontend/src/components/gallery/BulkEditorPanel.vue
@@ -0,0 +1,150 @@
+<template>
+  <aside class="fc-bulk-panel" :class="{ active: sel.isSelectMode }">
+    <div class="fc-bulk-panel__head">
+      <h3>Bulk Edit</h3>
+      <v-btn icon="mdi-close" variant="text" size="small" @click="sel.exitSelectMode()" />
+    </div>
+    <div class="fc-bulk-panel__stat">{{ sel.count }} image(s) selected</div>
+
+    <div class="fc-bulk-panel__section">
+      <h4>Add tag</h4>
+      <v-autocomplete
+        v-model="addModel" :items="addHits" item-title="name" item-value="id"
+        :loading="addLoading" density="compact" variant="outlined" hide-details
+        placeholder="Search tags…" no-filter
+        @update:search="onAddSearch" @update:model-value="onAddPick"
+      />
+    </div>
+
+    <div class="fc-bulk-panel__section">
+      <h4>Remove common tag</h4>
+      <div v-if="sel.commonTags.length === 0" class="fc-bulk-panel__hint">
+        No tags common to all selected images.
+      </div>
+      <v-chip
+        v-for="t in sel.commonTags" :key="t.id" size="small" label
+        class="ma-1" closable @click:close="sel.bulkRemove(t.id)"
+      >{{ t.name }}</v-chip>
+    </div>
+
+    <div class="fc-bulk-panel__section">
+      <h4>Consensus suggestions</h4>
+      <div v-if="sel.count < 2" class="fc-bulk-panel__hint">
+        Select 2+ images for consensus suggestions.
+      </div>
+      <template v-else>
+        <div
+          v-for="(items, cat) in sel.consensus" :key="cat"
+          class="fc-bulk-panel__cat"
+        >
+          <div class="fc-bulk-panel__cat-name">{{ cat }}</div>
+          <div
+            v-for="s in items" :key="s.canonical_tag_id"
+            class="fc-bulk-panel__sug"
+          >
+            <span>{{ s.name }}</span>
+            <span class="fc-bulk-panel__cov">
+              {{ Math.round(s.coverage * 100) }}% · {{ s.confidence.toFixed(2) }}
+            </span>
+            <v-btn
+              size="x-small" variant="tonal" color="accent"
+              @click="sel.bulkAdd(s.canonical_tag_id, 'ml_accepted')"
+            >Accept</v-btn>
+          </div>
+        </div>
+      </template>
+    </div>
+
+    <div class="fc-bulk-panel__foot">
+      <v-btn variant="text" block @click="sel.clear()">Clear selection</v-btn>
+    </div>
+  </aside>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+import { useGallerySelectionStore } from '../../stores/gallerySelection.js'
+import { useApi } from '../../composables/useApi.js'
+
+const sel = useGallerySelectionStore()
+const api = useApi()
+
+const addModel = ref(null)
+const addHits = ref([])
+const addLoading = ref(false)
+let addDebounce = null
+
+function onAddSearch(q) {
+  if (addDebounce) clearTimeout(addDebounce)
+  if (!q) { addHits.value = []; return }
+  addDebounce = setTimeout(async () => {
+    addLoading.value = true
+    try {
+      addHits.value = await api.get('/api/tags/autocomplete', {
+        params: { q, limit: 20 }
+      })
+    } finally {
+      addLoading.value = false
+    }
+  }, 250)
+}
+async function onAddPick(id) {
+  if (id == null) return
+  await sel.bulkAdd(id)
+  addModel.value = null
+  addHits.value = []
+}
+
+// Refresh common tags + consensus whenever the selection changes.
+watch(() => sel.order.length, () => {
+  if (sel.isSelectMode) sel.refresh()
+})
+</script>
+
+<style scoped>
+.fc-bulk-panel {
+  position: fixed; top: 0; right: 0;
+  width: 320px; height: 100vh; z-index: 1100;
+  background: rgb(var(--v-theme-surface));
+  border-left: 1px solid rgb(var(--v-theme-surface-light));
+  box-shadow: -2px 0 16px rgba(0, 0, 0, 0.4);
+  transform: translateX(100%);
+  transition: transform 0.3s ease;
+  display: flex; flex-direction: column;
+  overflow-y: auto;
+}
+.fc-bulk-panel.active { transform: translateX(0); }
+.fc-bulk-panel__head {
+  display: flex; align-items: center; justify-content: space-between;
+  padding: 12px 16px;
+  border-bottom: 1px solid rgb(var(--v-theme-surface-light));
+}
+.fc-bulk-panel__head h3 {
+  font-family: 'Fraunces', Georgia, serif; font-size: 18px; margin: 0;
+}
+.fc-bulk-panel__stat {
+  padding: 10px 16px; font-size: 13px; opacity: 0.8;
+  background: rgba(232, 228, 216, 0.05);
+}
+.fc-bulk-panel__section {
+  padding: 16px;
+  border-bottom: 1px solid rgba(232, 228, 216, 0.06);
+}
+.fc-bulk-panel__section h4 {
+  margin: 0 0 10px; font-size: 12px; text-transform: uppercase;
+  letter-spacing: 0.04em; opacity: 0.7;
+}
+.fc-bulk-panel__hint { font-size: 12px; opacity: 0.6; }
+.fc-bulk-panel__cat-name {
+  font-size: 11px; text-transform: uppercase; opacity: 0.5; margin: 8px 0 4px;
+}
+.fc-bulk-panel__sug {
+  display: flex; align-items: center; gap: 8px;
+  padding: 4px 0; font-size: 13px;
+}
+.fc-bulk-panel__sug span:first-child { flex: 1; min-width: 0; }
+.fc-bulk-panel__cov {
+  font-variant-numeric: tabular-nums; opacity: 0.6; font-size: 11px;
+}
+.fc-bulk-panel__foot { margin-top: auto; padding: 12px 16px; }
+</style>
diff --git a/frontend/src/views/GalleryView.vue b/frontend/src/views/GalleryView.vue
index fe767dc..76510ec 100644
--- a/frontend/src/views/GalleryView.vue
+++ b/frontend/src/views/GalleryView.vue
@@ -1,5 +1,13 @@
 <template>
   <v-container fluid class="py-6">
+    <v-btn
+      class="fc-select-toggle"
+      :color="sel.isSelectMode ? 'accent' : undefined"
+      :variant="sel.isSelectMode ? 'flat' : 'tonal'"
+      size="small"
+      @click="sel.isSelectMode ? sel.exitSelectMode() : sel.enterSelectMode()"
+    >{{ sel.isSelectMode ? 'Done' : 'Select' }}</v-btn>
+
     <div class="fc-gallery-layout">
       <div class="fc-gallery-layout__main">
         <EmptyState v-if="store.isEmpty" />
@@ -12,6 +20,7 @@
       v-if="modal.currentImageId !== null"
       @close="closeImage"
     />
+    <BulkEditorPanel />
   </v-container>
 </template>
 
@@ -24,9 +33,12 @@ import GalleryGrid from '../components/gallery/GalleryGrid.vue'
 import TimelineSidebar from '../components/gallery/TimelineSidebar.vue'
 import EmptyState from '../components/gallery/EmptyState.vue'
 import ImageViewer from '../components/modal/ImageViewer.vue'
+import BulkEditorPanel from '../components/gallery/BulkEditorPanel.vue'
+import { useGallerySelectionStore } from '../stores/gallerySelection.js'
 
 const store = useGalleryStore()
 const modal = useModalStore()
+const sel = useGallerySelectionStore()
 const router = useRouter()
 const route = useRoute()
 
@@ -41,6 +53,7 @@ onMounted(async () => {
 })
 
 watch(() => route.query.tag_id, (q) => {
+  sel.clear()  // result set changed — selected ids are no longer valid
   const tagId = parseInt(q, 10)
   store.setTagFilter(isNaN(tagId) ? null : tagId)
 })
@@ -69,6 +82,9 @@ function closeImage() {
 }
 .fc-gallery-layout__main { flex: 1; min-width: 0; }
 .fc-gallery-layout__sidebar { flex-shrink: 0; }
+.fc-select-toggle {
+  position: absolute; top: 12px; right: 16px; z-index: 1101;
+}
 
 @media (max-width: 900px) {
   .fc-gallery-layout { flex-direction: column-reverse; }