feat(fc3a): sources Pinia store + vitest

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

frontend/src/stores/sources.js

@@ -0,0 +1,109 @@
+import { defineStore } from 'pinia'
+import { ref, computed } from 'vue'
+import { useApi } from '../composables/useApi.js'
+
+export const useSourcesStore = defineStore('sources', () => {
+  const api = useApi()
+
+  // keyed cache: null => all sources, number => artist_id filtered
+  const byArtist = ref(new Map())
+  const platforms = ref([])
+  const platformsLoaded = ref(false)
+  const loading = ref(false)
+  const error = ref(null)
+
+  const allSources = computed(() => byArtist.value.get(null) ?? [])
+
+  async function loadAll() {
+    loading.value = true
+    error.value = null
+    try {
+      const body = await api.get('/api/sources')
+      byArtist.value.set(null, body)
+    } catch (e) {
+      error.value = e
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function loadForArtist(artistId) {
+    loading.value = true
+    error.value = null
+    try {
+      const body = await api.get('/api/sources', { params: { artist_id: artistId } })
+      byArtist.value.set(artistId, body)
+    } catch (e) {
+      error.value = e
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function loadPlatforms() {
+    if (platformsLoaded.value) return
+    const body = await api.get('/api/sources/platforms')
+    platforms.value = body.platforms
+    platformsLoaded.value = true
+  }
+
+  function _invalidate(artistId) {
+    byArtist.value.delete(null)
+    if (artistId != null) byArtist.value.delete(artistId)
+  }
+
+  async function create(payload) {
+    const body = await api.post('/api/sources', { body: payload })
+    _invalidate(payload.artist_id)
+    return body
+  }
+
+  async function update(id, patch, artistIdHint = null) {
+    const body = await api.patch(`/api/sources/${id}`, { body: patch })
+    _invalidate(artistIdHint ?? body.artist_id)
+    return body
+  }
+
+  async function remove(id, artistIdHint = null) {
+    await api.delete(`/api/sources/${id}`)
+    _invalidate(artistIdHint)
+  }
+
+  async function findOrCreateArtist(name) {
+    const body = await api.post('/api/artists', { body: { name } })
+    return { artist: { id: body.id, name: body.name, slug: body.slug }, created: body.created }
+  }
+
+  async function autocompleteArtist(query, limit = 20) {
+    if (!query || !query.trim()) return []
+    return await api.get('/api/artists/autocomplete', { params: { q: query, limit } })
+  }
+
+  function sourcesByArtistGrouped() {
+    // returns [{artist: {id,name,slug}, sources: [...]}, ...]
+    const arr = byArtist.value.get(null) ?? []
+    const groups = new Map()
+    for (const s of arr) {
+      const key = s.artist_id
+      if (!groups.has(key)) {
+        groups.set(key, {
+          artist: { id: s.artist_id, name: s.artist_name, slug: s.artist_slug },
+          sources: [],
+        })
+      }
+      groups.get(key).sources.push(s)
+    }
+    return Array.from(groups.values()).sort(
+      (a, b) => a.artist.name.localeCompare(b.artist.name)
+    )
+  }
+
+  return {
+    byArtist, platforms, platformsLoaded, loading, error,
+    allSources,
+    loadAll, loadForArtist, loadPlatforms,
+    create, update, remove,
+    findOrCreateArtist, autocompleteArtist,
+    sourcesByArtistGrouped,
+  }
+})