feat(frontend): composant PhotoGallery réutilisable avec lightbox et upload

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/components/PhotoGallery.vue

@@ -0,0 +1,117 @@
+<template>
+  <div>
+    <div class="flex items-center justify-between mb-3">
+      <span class="text-text-muted text-sm">{{ medias.length }} photo(s)</span>
+      <label class="cursor-pointer bg-bg-soft text-text-muted hover:text-text px-3 py-1 rounded-lg text-xs border border-bg-hard transition-colors">
+        + Photo
+        <input type="file" accept="image/*" capture="environment" class="hidden" @change="onUpload" />
+      </label>
+    </div>
+
+    <div v-if="loading" class="text-text-muted text-xs">Chargement...</div>
+    <div v-else-if="!medias.length" class="text-text-muted text-xs italic py-2">Aucune photo.</div>
+
+    <div class="grid grid-cols-3 gap-2">
+      <div
+        v-for="m in medias" :key="m.id"
+        class="aspect-square rounded-lg overflow-hidden bg-bg-hard relative group cursor-pointer"
+        @click="lightbox = m"
+      >
+        <img :src="m.thumbnail_url || m.url" :alt="m.titre || ''" class="w-full h-full object-cover" />
+        <div
+          v-if="m.identified_common"
+          class="absolute bottom-0 left-0 right-0 bg-black/60 text-xs text-green px-1 py-0.5 truncate"
+        >
+          {{ m.identified_common }}
+        </div>
+        <button
+          @click.stop="deleteMedia(m.id)"
+          class="absolute top-1 right-1 bg-black/60 text-red text-xs px-1 rounded opacity-0 group-hover:opacity-100 transition-opacity"
+        >
+          ✕
+        </button>
+      </div>
+    </div>
+
+    <!-- Lightbox -->
+    <div
+      v-if="lightbox"
+      class="fixed inset-0 bg-black/80 z-50 flex items-center justify-center p-4"
+      @click.self="lightbox = null"
+    >
+      <div class="max-w-lg w-full">
+        <img :src="lightbox.url" class="w-full rounded-xl" />
+        <div v-if="lightbox.identified_species" class="text-center mt-2 text-text-muted text-sm">
+          <span class="text-green font-medium">{{ lightbox.identified_common }}</span>
+          — <em>{{ lightbox.identified_species }}</em>
+          ({{ Math.round((lightbox.identified_confidence || 0) * 100) }}%)
+        </div>
+        <button class="mt-3 w-full text-text-muted text-sm hover:text-text" @click="lightbox = null">
+          Fermer
+        </button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, onMounted } from 'vue'
+import axios from 'axios'
+
+const props = defineProps<{ entityType: string; entityId: number }>()
+
+interface Media {
+  id: number
+  entity_type: string
+  entity_id: number
+  url: string
+  thumbnail_url?: string
+  titre?: string
+  identified_species?: string
+  identified_common?: string
+  identified_confidence?: number
+  identified_source?: string
+}
+
+const medias = ref<Media[]>([])
+const loading = ref(false)
+const lightbox = ref<Media | null>(null)
+
+async function fetchMedias() {
+  loading.value = true
+  try {
+    const r = await axios.get<Media[]>('/api/media', {
+      params: { entity_type: props.entityType, entity_id: props.entityId },
+    })
+    medias.value = r.data
+  } finally {
+    loading.value = false
+  }
+}
+
+async function onUpload(e: Event) {
+  const file = (e.target as HTMLInputElement).files?.[0]
+  if (!file) return
+  const fd = new FormData()
+  fd.append('file', file)
+  const { data: uploaded } = await axios.post<{ url: string; thumbnail_url: string | null }>(
+    '/api/upload',
+    fd,
+  )
+  await axios.post('/api/media', {
+    entity_type: props.entityType,
+    entity_id: props.entityId,
+    url: uploaded.url,
+    thumbnail_url: uploaded.thumbnail_url,
+  })
+  await fetchMedias()
+}
+
+async function deleteMedia(id: number) {
+  if (!confirm('Supprimer cette photo ?')) return
+  await axios.delete(`/api/media/${id}`)
+  medias.value = medias.value.filter((m) => m.id !== id)
+}
+
+onMounted(fetchMedias)
+</script>