fix: noms PlantNet en français (lang=fr) + sauvegarde image systématique sans plante liée

frontend/src/components/PhotoIdentifyModal.vue

@@ -184,18 +184,17 @@ async function saveAndLink() {
       '/api/upload',
       fd,
     )
-    if (linkPlantId.value !== null) {
-      await axios.post('/api/media', {
-        entity_type: 'plante',
-        entity_id: linkPlantId.value,
-        url: uploaded.url,
-        thumbnail_url: uploaded.thumbnail_url,
-        identified_species: r.species,
-        identified_common: r.common_name,
-        identified_confidence: r.confidence,
-        identified_source: source.value,
-      })
-    }
+    // Toujours sauvegarder : lié à une plante si choisie, sinon dans la bibliothèque générale
+    await axios.post('/api/media', {
+      entity_type: linkPlantId.value !== null ? 'plante' : 'bibliotheque',
+      entity_id: linkPlantId.value ?? 0,
+      url: uploaded.url,
+      thumbnail_url: uploaded.thumbnail_url,
+      identified_species: r.species,
+      identified_common: r.common_name,
+      identified_confidence: r.confidence,
+      identified_source: source.value,
+    })
     emit('identified', { ...r, imageUrl: uploaded.url, plantId: linkPlantId.value })
     emit('close')
   } finally {