feat(fc3c): /downloads view + DownloadEventRow + DownloadDetailModal + FilterPills

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

frontend/src/components/downloads/DownloadDetailModal.vue

@@ -0,0 +1,117 @@
+<template>
+  <v-dialog :model-value="!!event" max-width="900" @update:model-value="onClose">
+    <v-card v-if="event">
+      <v-card-title class="d-flex align-center" style="gap: 0.5rem">
+        <v-chip size="small" :color="statusColor">{{ event.status }}</v-chip>
+        <span>{{ event.platform || '—' }} · {{ event.artist_name || '—' }}</span>
+      </v-card-title>
+      <v-card-text>
+        <p class="text-caption" style="opacity: 0.75">
+          {{ event.started_at }} → {{ event.finished_at || '(running)' }}
+          ({{ fmtDuration(event.summary?.duration_seconds) }})
+        </p>
+
+        <h3 class="text-subtitle-2 mt-3">Run stats</h3>
+        <div class="fc-dl-grid">
+          <div><span class="fc-dl-grid__label">Downloaded</span><span>{{ stats.downloaded_count ?? 0 }}</span></div>
+          <div><span class="fc-dl-grid__label">Skipped</span><span>{{ stats.skipped_count ?? 0 }}</span></div>
+          <div><span class="fc-dl-grid__label">Per-item failures</span><span>{{ stats.per_item_failures ?? 0 }}</span></div>
+          <div><span class="fc-dl-grid__label">Warnings</span><span>{{ stats.warning_count ?? 0 }}</span></div>
+          <div><span class="fc-dl-grid__label">Tier-gated</span><span>{{ stats.tier_gated_count ?? 0 }}</span></div>
+          <div><span class="fc-dl-grid__label">Quarantined</span><span>{{ stats.quarantined_count ?? 0 }}</span></div>
+        </div>
+
+        <h3 class="text-subtitle-2 mt-4">Import summary</h3>
+        <div class="fc-dl-grid">
+          <div><span class="fc-dl-grid__label">Attached</span><span>{{ summary.attached ?? 0 }}</span></div>
+          <div><span class="fc-dl-grid__label">Skipped (dedup)</span><span>{{ summary.skipped ?? 0 }}</span></div>
+          <div><span class="fc-dl-grid__label">Errors</span><span>{{ summary.errors ?? 0 }}</span></div>
+        </div>
+
+        <template v-if="quarantinedPaths.length">
+          <h3 class="text-subtitle-2 mt-4">Quarantined paths</h3>
+          <ul class="fc-dl-quar">
+            <li v-for="p in quarantinedPaths" :key="p"><code>{{ p }}</code></li>
+          </ul>
+        </template>
+
+        <template v-if="errorsWarnings">
+          <h3 class="text-subtitle-2 mt-4">Errors &amp; warnings</h3>
+          <pre class="fc-dl-pre">{{ errorsWarnings }}</pre>
+        </template>
+
+        <v-expansion-panels class="mt-4">
+          <v-expansion-panel>
+            <v-expansion-panel-title>Raw stdout</v-expansion-panel-title>
+            <v-expansion-panel-text>
+              <pre class="fc-dl-pre">{{ event.metadata?.stdout || '(empty)' }}</pre>
+            </v-expansion-panel-text>
+          </v-expansion-panel>
+          <v-expansion-panel>
+            <v-expansion-panel-title>Raw stderr</v-expansion-panel-title>
+            <v-expansion-panel-text>
+              <pre class="fc-dl-pre">{{ event.metadata?.stderr || '(empty)' }}</pre>
+            </v-expansion-panel-text>
+          </v-expansion-panel>
+        </v-expansion-panels>
+      </v-card-text>
+      <v-card-actions>
+        <v-spacer />
+        <v-btn variant="text" @click="onClose(false)">Close</v-btn>
+      </v-card-actions>
+    </v-card>
+  </v-dialog>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+
+const props = defineProps({ event: { type: Object, default: null } })
+const emit = defineEmits(['close'])
+
+const stats = computed(() => props.event?.metadata?.run_stats || {})
+const summary = computed(() => props.event?.metadata?.import_summary || {})
+const quarantinedPaths = computed(() => props.event?.metadata?.quarantined_paths || [])
+const errorsWarnings = computed(() => props.event?.metadata?.stderr_errors_warnings || '')
+
+const statusColor = computed(() => ({
+  ok: 'success', error: 'error', running: 'info',
+  pending: 'secondary', skipped: 'warning',
+}[props.event?.status] || undefined))
+
+function fmtDuration(sec) {
+  if (sec == null) return '—'
+  if (sec < 60) return `${sec.toFixed(1)}s`
+  const m = Math.floor(sec / 60), s = Math.floor(sec % 60)
+  return `${m}m ${s}s`
+}
+
+function onClose() {
+  emit('close')
+}
+</script>
+
+<style scoped>
+.fc-dl-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
+  gap: 0.5rem 1rem;
+  font-variant-numeric: tabular-nums;
+}
+.fc-dl-grid > div { display: flex; justify-content: space-between; }
+.fc-dl-grid__label {
+  color: rgb(var(--v-theme-on-surface-variant));
+}
+.fc-dl-pre {
+  background: rgb(var(--v-theme-surface));
+  border: 1px solid rgb(var(--v-theme-on-surface-variant) / 0.18);
+  padding: 0.5rem;
+  border-radius: 4px;
+  font-size: 0.8rem;
+  max-height: 400px;
+  overflow: auto;
+  white-space: pre-wrap;
+  word-break: break-all;
+}
+.fc-dl-quar { padding-left: 1.5rem; font-size: 0.85rem; }
+</style>

frontend/src/components/downloads/DownloadEventRow.vue

@@ -0,0 +1,82 @@
+<template>
+  <div class="fc-dl-row" @click="$emit('open', event.id)">
+    <v-icon :icon="statusIcon" :color="statusColor" size="small" />
+    <RouterLink
+      v-if="event.artist_slug"
+      :to="`/artist/${event.artist_slug}`"
+      class="fc-dl-row__artist"
+      @click.stop
+    >{{ event.artist_name }}</RouterLink>
+    <span v-else class="fc-dl-row__artist">—</span>
+    <v-chip size="x-small" variant="tonal">{{ event.platform || '—' }}</v-chip>
+    <span class="fc-dl-row__time">{{ fmtTime(event.started_at) }}</span>
+    <span class="fc-dl-row__files">{{ event.files_count }} files</span>
+    <span class="fc-dl-row__duration">{{ fmtDuration(event.summary?.duration_seconds) }}</span>
+    <span v-if="event.error" class="fc-dl-row__error">{{ event.error }}</span>
+  </div>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+import { RouterLink } from 'vue-router'
+
+const props = defineProps({ event: { type: Object, required: true } })
+defineEmits(['open'])
+
+const statusIcon = computed(() => ({
+  ok: 'mdi-check-circle',
+  error: 'mdi-alert-circle',
+  running: 'mdi-progress-clock',
+  pending: 'mdi-clock-outline',
+  skipped: 'mdi-minus-circle',
+}[props.event.status] || 'mdi-help-circle'))
+
+const statusColor = computed(() => ({
+  ok: 'success',
+  error: 'error',
+  running: 'info',
+  pending: 'secondary',
+  skipped: 'warning',
+}[props.event.status] || undefined))
+
+function fmtTime(iso) {
+  if (!iso) return '—'
+  return iso.slice(0, 19).replace('T', ' ')
+}
+function fmtDuration(sec) {
+  if (sec == null) return '—'
+  if (sec < 60) return `${sec.toFixed(1)}s`
+  const m = Math.floor(sec / 60), s = Math.floor(sec % 60)
+  return `${m}m ${s}s`
+}
+</script>
+
+<style scoped>
+.fc-dl-row {
+  display: grid;
+  grid-template-columns: 24px 1fr 96px 160px 80px 80px 1fr;
+  gap: 0.75rem;
+  align-items: center;
+  padding: 0.5rem 0.75rem;
+  border-bottom: 1px solid rgb(var(--v-theme-on-surface-variant) / 0.18);
+  cursor: pointer;
+}
+.fc-dl-row:hover { background: rgb(var(--v-theme-surface) / 0.5); }
+.fc-dl-row__artist {
+  color: rgb(var(--v-theme-on-surface));
+  text-decoration: none;
+}
+.fc-dl-row__artist:hover { color: rgb(var(--v-theme-accent)); }
+.fc-dl-row__time, .fc-dl-row__files, .fc-dl-row__duration {
+  color: rgb(var(--v-theme-on-surface-variant));
+  font-size: 0.85rem;
+  font-variant-numeric: tabular-nums;
+}
+.fc-dl-row__error {
+  color: rgb(var(--v-theme-error));
+  font-size: 0.85rem;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+</style>

frontend/src/components/downloads/FilterPills.vue

@@ -0,0 +1,22 @@
+<template>
+  <v-chip-group v-model="local" mandatory @update:model-value="onChange">
+    <v-chip value="all">All</v-chip>
+    <v-chip value="running">Running</v-chip>
+    <v-chip value="error">Failed</v-chip>
+    <v-chip value="quarantined">Quarantined</v-chip>
+  </v-chip-group>
+</template>
+
+<script setup>
+import { ref, watch } from 'vue'
+
+const props = defineProps({ modelValue: { type: String, default: 'all' } })
+const emit = defineEmits(['update:modelValue'])
+
+const local = ref(props.modelValue)
+watch(() => props.modelValue, (v) => { local.value = v })
+
+function onChange(v) {
+  if (v !== props.modelValue) emit('update:modelValue', v)
+}
+</script>

frontend/src/router.js

@@ -1,5 +1,4 @@
 import { createRouter, createWebHistory, createMemoryHistory } from 'vue-router'
-import PlaceholderView from './views/PlaceholderView.vue'
 import SettingsView from './views/SettingsView.vue'
 import GalleryView from './views/GalleryView.vue'
 import ShowcaseView from './views/ShowcaseView.vue'
@@ -9,6 +8,7 @@ import SeriesManageView from './views/SeriesManageView.vue'
 import SeriesReaderView from './views/SeriesReaderView.vue'
 import SubscriptionsView from './views/SubscriptionsView.vue'
 import CredentialsView from './views/CredentialsView.vue'
+import DownloadsView from './views/DownloadsView.vue'
 
 // The application's front door. `/` redirects here. Changing the front door
 // is a one-line edit (e.g. '/gallery' or '/tags').
@@ -32,8 +32,8 @@ const routes = [
 
   // FC-3: subscription backbone
   { path: '/subscriptions', name: 'subscriptions', component: SubscriptionsView, meta: { title: 'Subscriptions' } },
-  { path: '/credentials',   name: 'credentials',   component: CredentialsView, meta: { title: 'Credentials'   } },
-  { path: '/downloads',     name: 'downloads',     component: PlaceholderView, meta: { title: 'Downloads'     } }
+  { path: '/credentials',   name: 'credentials',   component: CredentialsView,   meta: { title: 'Credentials'   } },
+  { path: '/downloads',     name: 'downloads',     component: DownloadsView,     meta: { title: 'Downloads'     } }
 ]
 
 // Browser uses HTML5 history; non-browser (Vitest/SSR) falls back to memory

frontend/src/views/DownloadsView.vue

@@ -0,0 +1,70 @@
+<template>
+  <v-container fluid class="py-6">
+    <FilterPills v-model="pill" />
+
+    <v-alert v-if="store.error" type="error" variant="tonal" closable class="my-4">
+      {{ String(store.error) }}
+    </v-alert>
+
+    <div v-if="store.loading && store.events.length === 0" class="fc-dl__loading">
+      <v-progress-circular indeterminate color="accent" size="36" />
+    </div>
+
+    <div v-else-if="store.events.length === 0" class="fc-dl__empty">
+      <p>No download events yet. Trigger a check from /subscriptions.</p>
+    </div>
+
+    <div v-else>
+      <DownloadEventRow
+        v-for="e in store.events" :key="e.id" :event="e"
+        @open="openDetail"
+      />
+      <div class="fc-dl__sentinel">
+        <v-btn v-if="store.hasMore" variant="text" @click="store.loadMore()" :loading="store.loading">
+          Load more
+        </v-btn>
+        <span v-else class="text-caption" style="opacity: 0.5">No more events.</span>
+      </div>
+    </div>
+
+    <DownloadDetailModal
+      :event="store.selected"
+      @close="store.closeDetail()"
+    />
+  </v-container>
+</template>
+
+<script setup>
+import { onMounted, ref, watch } from 'vue'
+import { useDownloadsStore } from '../stores/downloads.js'
+import FilterPills from '../components/downloads/FilterPills.vue'
+import DownloadEventRow from '../components/downloads/DownloadEventRow.vue'
+import DownloadDetailModal from '../components/downloads/DownloadDetailModal.vue'
+
+const store = useDownloadsStore()
+const pill = ref('all')
+
+onMounted(() => store.loadFirst())
+
+watch(pill, async (v) => {
+  // 'quarantined' has no API filter yet — defer until the API grows
+  // (a metadata.run_stats.quarantined_count > 0 filter, FC-3d territory).
+  // For now route it the same as 'all' but keep the chip for discoverability.
+  const statusMap = { all: null, running: 'running', error: 'error', quarantined: null }
+  await store.applyFilter({ status: statusMap[v] })
+})
+
+async function openDetail(id) {
+  await store.loadOne(id)
+}
+</script>
+
+<style scoped>
+.fc-dl__loading, .fc-dl__empty {
+  display: flex; justify-content: center; padding: 3rem 0;
+  color: rgb(var(--v-theme-on-surface-variant));
+}
+.fc-dl__sentinel {
+  display: flex; justify-content: center; padding: 1rem 0;
+}
+</style>