polish for failed retry mechanic and consistent sub naming

frontend/src/views/Dashboard.vue

@@ -173,7 +173,7 @@
                   </v-icon>
                 </template>
                 <v-list-item-title class="text-body-2">
-                  {{ truncate(dl.url, 30) }}
+                  {{ getDownloadLabel(dl) }}
                 </v-list-item-title>
                 <v-list-item-subtitle>
                   <v-chip size="x-small" :color="dl.status === 'running' ? 'info' : 'warning'" variant="tonal">
@@ -211,7 +211,7 @@
                   </v-icon>
                 </template>
                 <v-list-item-title>
-                  {{ truncate(download.url, 40) }}
+                  {{ getDownloadLabel(download) }}
                 </v-list-item-title>
                 <v-list-item-subtitle>
                   {{ formatRelativeTime(download.created_at) }}
@@ -255,20 +255,18 @@
             <v-table v-if="sourcesWithErrors.length">
               <thead>
                 <tr>
-                  <th>Name</th>
-                  <th>Platform</th>
-                  <th>Error Count</th>
+                  <th>Source</th>
+                  <th>Last Error</th>
                   <th>Last Check</th>
                   <th>Actions</th>
                 </tr>
               </thead>
               <tbody>
                 <tr v-for="source in sourcesWithErrors" :key="source.id">
-                  <td>{{ source.subscription_name || source.subscription?.name || 'Unknown' }}</td>
-                  <td class="text-capitalize">{{ source.platform }}</td>
+                  <td>{{ getSourceLabel(source) }}</td>
                   <td>
                     <v-chip color="error" size="small">
-                      {{ source.error_count }} errors
+                      {{ source.last_error_type || 'failed' }}
                     </v-chip>
                   </td>
                   <td>{{ formatDate(source.last_check) }}</td>
@@ -318,7 +316,7 @@ const credentialsStore = useCredentialsStore()
 const notifications = useNotificationStore()
 
 // Supported platforms for credential status
-const supportedPlatforms = ['patreon', 'subscribestar', 'hentaifoundry', 'discord']
+const supportedPlatforms = ['patreon', 'subscribestar', 'hentaifoundry', 'discord', 'pixiv', 'deviantart']
 
 // State
 const checkingAll = ref(false)
@@ -335,9 +333,27 @@ let refreshInterval = null
 // Computed
 const stats = computed(() => downloadsStore.stats)
 const recentActivity = computed(() => downloadsStore.recentActivity)
-const sourcesWithErrors = computed(() =>
-  sourcesStore.sources.filter(s => s.error_count > 0).slice(0, 5)
-)
+
+// Sources with recent failures - derived from recent activity
+// Only shows sources where a recent download failed (not cumulative error_count)
+const sourcesWithErrors = computed(() => {
+  const failedDownloads = recentActivity.value.filter(d => d.status === 'failed')
+  // Group by source_id and keep unique sources with their most recent failure
+  const sourceMap = new Map()
+  for (const dl of failedDownloads) {
+    if (dl.source_id && !sourceMap.has(dl.source_id)) {
+      sourceMap.set(dl.source_id, {
+        id: dl.source_id,
+        subscription_name: dl.subscription_name,
+        platform: dl.platform,
+        last_error_type: dl.error_type,
+        last_check: dl.created_at,
+      })
+    }
+  }
+  return Array.from(sourceMap.values()).slice(0, 5)
+})
+
 const failedCount = computed(() => stats.value?.failed || 0)
 const activeDownloadsCount = computed(() =>
   (stats.value?.queued || 0) + (stats.value?.running || 0)
@@ -565,10 +581,25 @@ function truncate(str, length) {
   return str.substring(0, length) + '...'
 }
 
+function getDownloadLabel(download) {
+  if (download.subscription_name && download.platform) {
+    return `${download.subscription_name}:${download.platform}`
+  }
+  // Fallback to truncated URL if source info not available
+  return truncate(download.url, 35)
+}
+
+function getSourceLabel(source) {
+  const name = source.subscription_name || source.subscription?.name || 'Unknown'
+  return `${name}:${source.platform}`
+}
+
 async function retrySource(source) {
   try {
     await sourcesStore.triggerCheck(source.id)
-    notifications.success(`Queued check for ${source.subscription_name || source.platform}`)
+    notifications.success(`Queued check for ${getSourceLabel(source)}`)
+    // Refresh recent activity after retrying
+    await downloadsStore.fetchRecentActivity({ limit: 10 })
   } catch (error) {
     notifications.error(`Failed to queue check: ${error.message}`)
   }