diff --git a/frontend/src/views/admin/DataManagementView.vue b/frontend/src/views/admin/DataManagementView.vue
index 3fdd39db..b05660a5 100644
--- a/frontend/src/views/admin/DataManagementView.vue
+++ b/frontend/src/views/admin/DataManagementView.vue
@@ -1,511 +1,8 @@
 <template>
-    <div class="space-y-6">
-      <div class="card p-6">
-        <div class="mb-4 flex flex-wrap items-center justify-between gap-3">
-          <div>
-            <h3 class="text-base font-semibold text-gray-900 dark:text-white">
-              {{ t('admin.settings.soraS3.title') }}
-            </h3>
-            <p class="mt-1 text-sm text-gray-500 dark:text-gray-400">
-              {{ t('admin.settings.soraS3.description') }}
-            </p>
-          </div>
-          <div class="flex flex-wrap gap-2">
-            <button type="button" class="btn btn-secondary btn-sm" @click="startCreateSoraProfile">
-              {{ t('admin.settings.soraS3.newProfile') }}
-            </button>
-            <button type="button" class="btn btn-secondary btn-sm" :disabled="loadingSoraProfiles" @click="loadSoraS3Profiles">
-              {{ loadingSoraProfiles ? t('common.loading') : t('admin.settings.soraS3.reloadProfiles') }}
-            </button>
-          </div>
-        </div>
-
-        <div class="overflow-x-auto">
-          <table class="w-full min-w-[1000px] text-sm">
-            <thead>
-              <tr class="border-b border-gray-200 text-left text-xs uppercase tracking-wide text-gray-500 dark:border-dark-700 dark:text-gray-400">
-                <th class="py-2 pr-4">{{ t('admin.settings.soraS3.columns.profile') }}</th>
-                <th class="py-2 pr-4">{{ t('admin.settings.soraS3.columns.active') }}</th>
-                <th class="py-2 pr-4">{{ t('admin.settings.soraS3.columns.endpoint') }}</th>
-                <th class="py-2 pr-4">{{ t('admin.settings.soraS3.columns.bucket') }}</th>
-                <th class="py-2 pr-4">{{ t('admin.settings.soraS3.columns.quota') }}</th>
-                <th class="py-2 pr-4">{{ t('admin.settings.soraS3.columns.updatedAt') }}</th>
-                <th class="py-2">{{ t('admin.settings.soraS3.columns.actions') }}</th>
-              </tr>
-            </thead>
-            <tbody>
-              <tr v-for="profile in soraS3Profiles" :key="profile.profile_id" class="border-b border-gray-100 align-top dark:border-dark-800">
-                <td class="py-3 pr-4">
-                  <div class="font-mono text-xs">{{ profile.profile_id }}</div>
-                  <div class="mt-1 text-xs text-gray-600 dark:text-gray-400">{{ profile.name }}</div>
-                </td>
-                <td class="py-3 pr-4">
-                  <span
-                    class="rounded px-2 py-0.5 text-xs"
-                    :class="profile.is_active ? 'bg-green-100 text-green-700 dark:bg-green-900/30 dark:text-green-300' : 'bg-gray-100 text-gray-700 dark:bg-dark-800 dark:text-gray-300'"
-                  >
-                    {{ profile.is_active ? t('common.enabled') : t('common.disabled') }}
-                  </span>
-                </td>
-                <td class="py-3 pr-4 text-xs">
-                  <div>{{ profile.endpoint || '-' }}</div>
-                  <div class="mt-1 text-gray-500 dark:text-gray-400">{{ profile.region || '-' }}</div>
-                </td>
-                <td class="py-3 pr-4 text-xs">{{ profile.bucket || '-' }}</td>
-                <td class="py-3 pr-4 text-xs">{{ formatStorageQuotaGB(profile.default_storage_quota_bytes) }}</td>
-                <td class="py-3 pr-4 text-xs">{{ formatDate(profile.updated_at) }}</td>
-                <td class="py-3 text-xs">
-                  <div class="flex flex-wrap gap-2">
-                    <button type="button" class="btn btn-secondary btn-xs" @click="editSoraProfile(profile.profile_id)">
-                      {{ t('common.edit') }}
-                    </button>
-                    <button
-                      v-if="!profile.is_active"
-                      type="button"
-                      class="btn btn-secondary btn-xs"
-                      :disabled="activatingSoraProfile"
-                      @click="activateSoraProfile(profile.profile_id)"
-                    >
-                      {{ t('admin.settings.soraS3.activateProfile') }}
-                    </button>
-                    <button
-                      type="button"
-                      class="btn btn-danger btn-xs"
-                      :disabled="deletingSoraProfile"
-                      @click="removeSoraProfile(profile.profile_id)"
-                    >
-                      {{ t('common.delete') }}
-                    </button>
-                  </div>
-                </td>
-              </tr>
-              <tr v-if="soraS3Profiles.length === 0">
-                <td colspan="7" class="py-6 text-center text-sm text-gray-500 dark:text-gray-400">
-                  {{ t('admin.settings.soraS3.empty') }}
-                </td>
-              </tr>
-            </tbody>
-          </table>
-        </div>
-      </div>
-    </div>
-
-    <Teleport to="body">
-      <Transition name="dm-drawer-mask">
-        <div
-          v-if="soraProfileDrawerOpen"
-          class="fixed inset-0 z-[54] bg-black/40 backdrop-blur-sm"
-          @click="closeSoraProfileDrawer"
-        ></div>
-      </Transition>
-
-      <Transition name="dm-drawer-panel">
-        <div
-          v-if="soraProfileDrawerOpen"
-          class="fixed inset-y-0 right-0 z-[55] flex h-full w-full max-w-2xl flex-col border-l border-gray-200 bg-white shadow-2xl dark:border-dark-700 dark:bg-dark-900"
-        >
-          <div class="flex items-center justify-between border-b border-gray-200 px-4 py-3 dark:border-dark-700">
-            <h4 class="text-sm font-semibold text-gray-900 dark:text-white">
-              {{ creatingSoraProfile ? t('admin.settings.soraS3.createTitle') : t('admin.settings.soraS3.editTitle') }}
-            </h4>
-            <button
-              type="button"
-              class="rounded p-1 text-gray-500 hover:bg-gray-100 hover:text-gray-700 dark:text-gray-400 dark:hover:bg-dark-800 dark:hover:text-gray-200"
-              @click="closeSoraProfileDrawer"
-            >
-              ✕
-            </button>
-          </div>
-
-          <div class="flex-1 overflow-y-auto p-4">
-            <div class="grid grid-cols-1 gap-3 md:grid-cols-2">
-              <input
-                v-model="soraProfileForm.profile_id"
-                class="input w-full"
-                :placeholder="t('admin.settings.soraS3.profileID')"
-                :disabled="!creatingSoraProfile"
-              />
-              <input
-                v-model="soraProfileForm.name"
-                class="input w-full"
-                :placeholder="t('admin.settings.soraS3.profileName')"
-              />
-              <label class="inline-flex items-center gap-2 text-sm text-gray-700 dark:text-gray-300 md:col-span-2">
-                <input v-model="soraProfileForm.enabled" type="checkbox" />
-                <span>{{ t('admin.settings.soraS3.enabled') }}</span>
-              </label>
-              <input v-model="soraProfileForm.endpoint" class="input w-full" :placeholder="t('admin.settings.soraS3.endpoint')" />
-              <input v-model="soraProfileForm.region" class="input w-full" :placeholder="t('admin.settings.soraS3.region')" />
-              <input v-model="soraProfileForm.bucket" class="input w-full" :placeholder="t('admin.settings.soraS3.bucket')" />
-              <input v-model="soraProfileForm.prefix" class="input w-full" :placeholder="t('admin.settings.soraS3.prefix')" />
-              <input v-model="soraProfileForm.access_key_id" class="input w-full" :placeholder="t('admin.settings.soraS3.accessKeyId')" />
-              <input
-                v-model="soraProfileForm.secret_access_key"
-                type="password"
-                class="input w-full"
-                :placeholder="soraProfileForm.secret_access_key_configured ? t('admin.settings.soraS3.secretConfigured') : t('admin.settings.soraS3.secretAccessKey')"
-              />
-              <input v-model="soraProfileForm.cdn_url" class="input w-full" :placeholder="t('admin.settings.soraS3.cdnUrl')" />
-              <div>
-                <input
-                  v-model.number="soraProfileForm.default_storage_quota_gb"
-                  type="number"
-                  min="0"
-                  step="0.1"
-                  class="input w-full"
-                  :placeholder="t('admin.settings.soraS3.defaultQuota')"
-                />
-                <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">{{ t('admin.settings.soraS3.defaultQuotaHint') }}</p>
-              </div>
-              <label class="inline-flex items-center gap-2 text-sm text-gray-700 dark:text-gray-300">
-                <input v-model="soraProfileForm.force_path_style" type="checkbox" />
-                <span>{{ t('admin.settings.soraS3.forcePathStyle') }}</span>
-              </label>
-              <label v-if="creatingSoraProfile" class="inline-flex items-center gap-2 text-sm text-gray-700 dark:text-gray-300 md:col-span-2">
-                <input v-model="soraProfileForm.set_active" type="checkbox" />
-                <span>{{ t('admin.settings.soraS3.setActive') }}</span>
-              </label>
-            </div>
-          </div>
-
-          <div class="flex flex-wrap justify-end gap-2 border-t border-gray-200 p-4 dark:border-dark-700">
-            <button type="button" class="btn btn-secondary btn-sm" @click="closeSoraProfileDrawer">
-              {{ t('common.cancel') }}
-            </button>
-            <button type="button" class="btn btn-secondary btn-sm" :disabled="testingSoraProfile || !soraProfileForm.enabled" @click="testSoraProfileConnection">
-              {{ testingSoraProfile ? t('common.loading') : t('admin.settings.soraS3.testConnection') }}
-            </button>
-            <button type="button" class="btn btn-primary btn-sm" :disabled="savingSoraProfile" @click="saveSoraProfile">
-              {{ savingSoraProfile ? t('common.loading') : t('admin.settings.soraS3.saveProfile') }}
-            </button>
-          </div>
-        </div>
-      </Transition>
-    </Teleport>
+  <div class="space-y-6">
+    <!-- Placeholder: no data management content configured -->
+  </div>
 </template>
 
 <script setup lang="ts">
-import { onMounted, ref } from 'vue'
-import { useI18n } from 'vue-i18n'
-import type { SoraS3Profile } from '@/api/admin/settings'
-import { adminAPI } from '@/api'
-import { useAppStore } from '@/stores'
-
-const { t } = useI18n()
-const appStore = useAppStore()
-
-const loadingSoraProfiles = ref(false)
-const savingSoraProfile = ref(false)
-const testingSoraProfile = ref(false)
-const activatingSoraProfile = ref(false)
-const deletingSoraProfile = ref(false)
-const creatingSoraProfile = ref(false)
-const soraProfileDrawerOpen = ref(false)
-
-const soraS3Profiles = ref<SoraS3Profile[]>([])
-const selectedSoraProfileID = ref('')
-
-type SoraS3ProfileForm = {
-  profile_id: string
-  name: string
-  set_active: boolean
-  enabled: boolean
-  endpoint: string
-  region: string
-  bucket: string
-  access_key_id: string
-  secret_access_key: string
-  secret_access_key_configured: boolean
-  prefix: string
-  force_path_style: boolean
-  cdn_url: string
-  default_storage_quota_gb: number
-}
-
-const soraProfileForm = ref<SoraS3ProfileForm>(newDefaultSoraS3ProfileForm())
-
-async function loadSoraS3Profiles() {
-  loadingSoraProfiles.value = true
-  try {
-    const result = await adminAPI.settings.listSoraS3Profiles()
-    soraS3Profiles.value = result.items || []
-    if (!creatingSoraProfile.value) {
-      const stillExists = selectedSoraProfileID.value
-        ? soraS3Profiles.value.some((item) => item.profile_id === selectedSoraProfileID.value)
-        : false
-      if (!stillExists) {
-        selectedSoraProfileID.value = pickPreferredSoraProfileID()
-      }
-      syncSoraProfileFormWithSelection()
-    }
-  } catch (error) {
-    appStore.showError((error as { message?: string })?.message || t('errors.networkError'))
-  } finally {
-    loadingSoraProfiles.value = false
-  }
-}
-
-function startCreateSoraProfile() {
-  creatingSoraProfile.value = true
-  selectedSoraProfileID.value = ''
-  soraProfileForm.value = newDefaultSoraS3ProfileForm()
-  soraProfileDrawerOpen.value = true
-}
-
-function editSoraProfile(profileID: string) {
-  selectedSoraProfileID.value = profileID
-  creatingSoraProfile.value = false
-  syncSoraProfileFormWithSelection()
-  soraProfileDrawerOpen.value = true
-}
-
-function closeSoraProfileDrawer() {
-  soraProfileDrawerOpen.value = false
-  if (creatingSoraProfile.value) {
-    creatingSoraProfile.value = false
-    selectedSoraProfileID.value = pickPreferredSoraProfileID()
-    syncSoraProfileFormWithSelection()
-  }
-}
-
-async function saveSoraProfile() {
-  if (!soraProfileForm.value.name.trim()) {
-    appStore.showError(t('admin.settings.soraS3.profileNameRequired'))
-    return
-  }
-  if (creatingSoraProfile.value && !soraProfileForm.value.profile_id.trim()) {
-    appStore.showError(t('admin.settings.soraS3.profileIDRequired'))
-    return
-  }
-  if (!creatingSoraProfile.value && !selectedSoraProfileID.value) {
-    appStore.showError(t('admin.settings.soraS3.profileSelectRequired'))
-    return
-  }
-  if (soraProfileForm.value.enabled) {
-    if (!soraProfileForm.value.endpoint.trim()) {
-      appStore.showError(t('admin.settings.soraS3.endpointRequired'))
-      return
-    }
-    if (!soraProfileForm.value.bucket.trim()) {
-      appStore.showError(t('admin.settings.soraS3.bucketRequired'))
-      return
-    }
-    if (!soraProfileForm.value.access_key_id.trim()) {
-      appStore.showError(t('admin.settings.soraS3.accessKeyRequired'))
-      return
-    }
-  }
-
-  savingSoraProfile.value = true
-  try {
-    if (creatingSoraProfile.value) {
-      const created = await adminAPI.settings.createSoraS3Profile({
-        profile_id: soraProfileForm.value.profile_id.trim(),
-        name: soraProfileForm.value.name.trim(),
-        set_active: soraProfileForm.value.set_active,
-        enabled: soraProfileForm.value.enabled,
-        endpoint: soraProfileForm.value.endpoint,
-        region: soraProfileForm.value.region,
-        bucket: soraProfileForm.value.bucket,
-        access_key_id: soraProfileForm.value.access_key_id,
-        secret_access_key: soraProfileForm.value.secret_access_key || undefined,
-        prefix: soraProfileForm.value.prefix,
-        force_path_style: soraProfileForm.value.force_path_style,
-        cdn_url: soraProfileForm.value.cdn_url,
-        default_storage_quota_bytes: Math.round((soraProfileForm.value.default_storage_quota_gb || 0) * 1024 * 1024 * 1024)
-      })
-      selectedSoraProfileID.value = created.profile_id
-      creatingSoraProfile.value = false
-      soraProfileDrawerOpen.value = false
-      appStore.showSuccess(t('admin.settings.soraS3.profileCreated'))
-    } else {
-      await adminAPI.settings.updateSoraS3Profile(selectedSoraProfileID.value, {
-        name: soraProfileForm.value.name.trim(),
-        enabled: soraProfileForm.value.enabled,
-        endpoint: soraProfileForm.value.endpoint,
-        region: soraProfileForm.value.region,
-        bucket: soraProfileForm.value.bucket,
-        access_key_id: soraProfileForm.value.access_key_id,
-        secret_access_key: soraProfileForm.value.secret_access_key || undefined,
-        prefix: soraProfileForm.value.prefix,
-        force_path_style: soraProfileForm.value.force_path_style,
-        cdn_url: soraProfileForm.value.cdn_url,
-        default_storage_quota_bytes: Math.round((soraProfileForm.value.default_storage_quota_gb || 0) * 1024 * 1024 * 1024)
-      })
-      soraProfileDrawerOpen.value = false
-      appStore.showSuccess(t('admin.settings.soraS3.profileSaved'))
-    }
-    await loadSoraS3Profiles()
-  } catch (error) {
-    appStore.showError((error as { message?: string })?.message || t('errors.networkError'))
-  } finally {
-    savingSoraProfile.value = false
-  }
-}
-
-async function testSoraProfileConnection() {
-  testingSoraProfile.value = true
-  try {
-    const result = await adminAPI.settings.testSoraS3Connection({
-      profile_id: creatingSoraProfile.value ? undefined : selectedSoraProfileID.value,
-      enabled: soraProfileForm.value.enabled,
-      endpoint: soraProfileForm.value.endpoint,
-      region: soraProfileForm.value.region,
-      bucket: soraProfileForm.value.bucket,
-      access_key_id: soraProfileForm.value.access_key_id,
-      secret_access_key: soraProfileForm.value.secret_access_key || undefined,
-      prefix: soraProfileForm.value.prefix,
-      force_path_style: soraProfileForm.value.force_path_style,
-      cdn_url: soraProfileForm.value.cdn_url,
-      default_storage_quota_bytes: Math.round((soraProfileForm.value.default_storage_quota_gb || 0) * 1024 * 1024 * 1024)
-    })
-    appStore.showSuccess(result.message || t('admin.settings.soraS3.testSuccess'))
-  } catch (error) {
-    appStore.showError((error as { message?: string })?.message || t('errors.networkError'))
-  } finally {
-    testingSoraProfile.value = false
-  }
-}
-
-async function activateSoraProfile(profileID: string) {
-  activatingSoraProfile.value = true
-  try {
-    await adminAPI.settings.setActiveSoraS3Profile(profileID)
-    appStore.showSuccess(t('admin.settings.soraS3.profileActivated'))
-    await loadSoraS3Profiles()
-  } catch (error) {
-    appStore.showError((error as { message?: string })?.message || t('errors.networkError'))
-  } finally {
-    activatingSoraProfile.value = false
-  }
-}
-
-async function removeSoraProfile(profileID: string) {
-  if (!window.confirm(t('admin.settings.soraS3.deleteConfirm', { profileID }))) {
-    return
-  }
-  deletingSoraProfile.value = true
-  try {
-    await adminAPI.settings.deleteSoraS3Profile(profileID)
-    if (selectedSoraProfileID.value === profileID) {
-      selectedSoraProfileID.value = ''
-    }
-    appStore.showSuccess(t('admin.settings.soraS3.profileDeleted'))
-    await loadSoraS3Profiles()
-  } catch (error) {
-    appStore.showError((error as { message?: string })?.message || t('errors.networkError'))
-  } finally {
-    deletingSoraProfile.value = false
-  }
-}
-
-function formatDate(value?: string): string {
-  if (!value) {
-    return '-'
-  }
-  const date = new Date(value)
-  if (Number.isNaN(date.getTime())) {
-    return value
-  }
-  return date.toLocaleString()
-}
-
-function formatStorageQuotaGB(bytes: number): string {
-  if (!bytes || bytes <= 0) {
-    return '0 GB'
-  }
-  const gb = bytes / (1024 * 1024 * 1024)
-  return `${gb.toFixed(gb >= 10 ? 0 : 1)} GB`
-}
-
-function pickPreferredSoraProfileID(): string {
-  const active = soraS3Profiles.value.find((item) => item.is_active)
-  if (active) {
-    return active.profile_id
-  }
-  return soraS3Profiles.value[0]?.profile_id || ''
-}
-
-function syncSoraProfileFormWithSelection() {
-  const profile = soraS3Profiles.value.find((item) => item.profile_id === selectedSoraProfileID.value)
-  soraProfileForm.value = newDefaultSoraS3ProfileForm(profile)
-}
-
-function newDefaultSoraS3ProfileForm(profile?: SoraS3Profile): SoraS3ProfileForm {
-  if (!profile) {
-    return {
-      profile_id: '',
-      name: '',
-      set_active: false,
-      enabled: false,
-      endpoint: '',
-      region: '',
-      bucket: '',
-      access_key_id: '',
-      secret_access_key: '',
-      secret_access_key_configured: false,
-      prefix: 'sora/',
-      force_path_style: false,
-      cdn_url: '',
-      default_storage_quota_gb: 0
-    }
-  }
-
-  const quotaBytes = profile.default_storage_quota_bytes || 0
-
-  return {
-    profile_id: profile.profile_id,
-    name: profile.name,
-    set_active: false,
-    enabled: profile.enabled,
-    endpoint: profile.endpoint || '',
-    region: profile.region || '',
-    bucket: profile.bucket || '',
-    access_key_id: profile.access_key_id || '',
-    secret_access_key: '',
-    secret_access_key_configured: Boolean(profile.secret_access_key_configured),
-    prefix: profile.prefix || '',
-    force_path_style: Boolean(profile.force_path_style),
-    cdn_url: profile.cdn_url || '',
-    default_storage_quota_gb: Number((quotaBytes / (1024 * 1024 * 1024)).toFixed(2))
-  }
-}
-
-onMounted(async () => {
-  await loadSoraS3Profiles()
-})
 </script>
-
-<style scoped>
-.dm-drawer-mask-enter-active,
-.dm-drawer-mask-leave-active {
-  transition: opacity 0.2s ease;
-}
-
-.dm-drawer-mask-enter-from,
-.dm-drawer-mask-leave-to {
-  opacity: 0;
-}
-
-.dm-drawer-panel-enter-active,
-.dm-drawer-panel-leave-active {
-  transition:
-    transform 0.24s cubic-bezier(0.22, 1, 0.36, 1),
-    opacity 0.2s ease;
-}
-
-.dm-drawer-panel-enter-from,
-.dm-drawer-panel-leave-to {
-  opacity: 0.96;
-  transform: translateX(100%);
-}
-
-@media (prefers-reduced-motion: reduce) {
-  .dm-drawer-mask-enter-active,
-  .dm-drawer-mask-leave-active,
-  .dm-drawer-panel-enter-active,
-  .dm-drawer-panel-leave-active {
-    transition-duration: 0s;
-  }
-}
-</style>