Merge pull request 'dev→main: subscriptions table mobile card layout' (#64) from dev into main

frontend/src/components/subscriptions/SubscriptionsTab.vue

@@ -86,6 +86,7 @@
         :items-per-page-options="ITEMS_PER_PAGE_OPTIONS"
         density="comfortable"
         hover show-select show-expand
+        :mobile-breakpoint="600"
         @click:row="onRowClick"
       >
         <template #item.name="{ item }">
@@ -575,6 +576,10 @@ async function bulkDelete() {
 @media (max-width: 600px) {
   .fc-subs__status, .fc-subs__search { max-width: none; flex-basis: 100%; }
   .fc-subs__bar :deep(.v-spacer) { display: none; }
+  /* The table renders as stacked cards (mobile-breakpoint); reclaim the
+     desktop indent on the expanded sources detail (it keeps its own
+     horizontal scroll for the wide source columns). */
+  .fc-subs__sources-cell { padding-left: 0.5rem !important; }
 }
 .fc-subs__loading, .fc-subs__empty {
   display: flex; justify-content: center; padding: 2rem;