fc3k(ui): ArtistDangerZone card + slot at bottom of ArtistView with cascade-delete flow

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/src/views/ArtistView.vue

@@ -96,6 +96,12 @@
           @open="openImage"
         />
       </section>
+
+      <ArtistDangerZone
+        :slug="slug"
+        :artist-id="store.overview.id"
+        :artist-name="store.overview.name"
+      />
     </template>
   </v-container>
 </template>
@@ -106,6 +112,7 @@ import { useRoute, useRouter, RouterLink } from 'vue-router'
 import { useArtistStore } from '../stores/artist.js'
 import { useModalStore } from '../stores/modal.js'
 import MasonryGrid from '../components/discovery/MasonryGrid.vue'
+import ArtistDangerZone from '../components/artist/ArtistDangerZone.vue'
 
 const route = useRoute()
 const router = useRouter()