diff --git a/apps/lightcraft-web/src/web.rs b/apps/lightcraft-web/src/web.rs
index 3a7914be2..6681590a0 100644
--- a/apps/lightcraft-web/src/web.rs
+++ b/apps/lightcraft-web/src/web.rs
@@ -526,9 +526,12 @@ impl WebApp {
         }
         let paths = self.originals.take_pending();
         if !paths.is_empty() {
-            let n = paths.len();
             match self.app.run("library.import", json!({"paths": paths})) {
-                Ok(_) => self.app.toast(ctx, lightcraft_ui_egui::i18n::dropped_photos_added(n)),
+                // what the import added, not what was submitted (duplicates and unsupported files add nothing)
+                Ok(report) => {
+                    let added = report["imported"].as_array().map_or(0, Vec::len);
+                    self.app.toast(ctx, lightcraft_ui_egui::i18n::dropped_photos_added(added));
+                }
                 Err(e) => {
                     log::warn!("import: {e}");
                     self.app.toast(ctx, lightcraft_ui_egui::i18n::dropped_import_failed(&e));
diff --git a/crates/ui-egui/locales/cs.json b/crates/ui-egui/locales/cs.json
index 661250c70..5eaa1c2d0 100644
--- a/crates/ui-egui/locales/cs.json
+++ b/crates/ui-egui/locales/cs.json
@@ -2402,5 +2402,6 @@
   "Dropped Files": "Přetažené soubory",
   "Import dropped files without review": "Importovat přetažené soubory bez kontroly",
   "An import is running": "Import už běží",
-  "An import is running. Drop photos when it has finished": "Import už běží. Fotky přetáhněte, až skončí"
+  "An import is running. Drop photos when it has finished": "Import už běží. Fotky přetáhněte, až skončí",
+  "Finish Lightroom catalog import before adding photos": "Dokončete import katalogu Lightroom, než přidáte fotky"
 }
diff --git a/crates/ui-egui/locales/de.json b/crates/ui-egui/locales/de.json
index 2ef804a2a..44594bc65 100644
--- a/crates/ui-egui/locales/de.json
+++ b/crates/ui-egui/locales/de.json
@@ -3430,5 +3430,6 @@
   "Dropped Files": "Abgelegte Dateien",
   "Import dropped files without review": "Abgelegte Dateien ohne Prüfung importieren",
   "An import is running": "Ein Import läuft",
-  "An import is running. Drop photos when it has finished": "Ein Import läuft. Lege die Fotos ab, wenn er fertig ist"
+  "An import is running. Drop photos when it has finished": "Ein Import läuft. Lege die Fotos ab, wenn er fertig ist",
+  "Finish Lightroom catalog import before adding photos": "Schließe den Import des Lightroom-Katalogs ab, bevor du Fotos hinzufügst"
 }
diff --git a/crates/ui-egui/locales/es.json b/crates/ui-egui/locales/es.json
index abadd6474..41d745578 100644
--- a/crates/ui-egui/locales/es.json
+++ b/crates/ui-egui/locales/es.json
@@ -2350,5 +2350,6 @@
   "Dropped Files": "Archivos soltados",
   "Import dropped files without review": "Importar los archivos soltados sin revisión",
   "An import is running": "Hay una importación en curso",
-  "An import is running. Drop photos when it has finished": "Hay una importación en curso. Suelta las fotos cuando termine"
+  "An import is running. Drop photos when it has finished": "Hay una importación en curso. Suelta las fotos cuando termine",
+  "Finish Lightroom catalog import before adding photos": "Termina la importación del catálogo de Lightroom antes de añadir fotos"
 }
diff --git a/crates/ui-egui/locales/fr.json b/crates/ui-egui/locales/fr.json
index 928fdf58e..1bebf1fa0 100644
--- a/crates/ui-egui/locales/fr.json
+++ b/crates/ui-egui/locales/fr.json
@@ -2348,5 +2348,6 @@
   "Dropped Files": "Fichiers déposés",
   "Import dropped files without review": "Importer les fichiers déposés sans vérification",
   "An import is running": "Une importation est en cours",
-  "An import is running. Drop photos when it has finished": "Une importation est en cours. Déposez les photos quand elle sera terminée"
+  "An import is running. Drop photos when it has finished": "Une importation est en cours. Déposez les photos quand elle sera terminée",
+  "Finish Lightroom catalog import before adding photos": "Terminez l'importation du catalogue Lightroom avant d'ajouter des photos"
 }
diff --git a/crates/ui-egui/locales/it.json b/crates/ui-egui/locales/it.json
index 6d33c986c..13873ae86 100644
--- a/crates/ui-egui/locales/it.json
+++ b/crates/ui-egui/locales/it.json
@@ -2354,5 +2354,6 @@
   "Dropped Files": "File rilasciati",
   "Import dropped files without review": "Importa i file rilasciati senza revisione",
   "An import is running": "Un'importazione è in corso",
-  "An import is running. Drop photos when it has finished": "Un'importazione è in corso. Trascina le foto quando è finita"
+  "An import is running. Drop photos when it has finished": "Un'importazione è in corso. Trascina le foto quando è finita",
+  "Finish Lightroom catalog import before adding photos": "Termina l'importazione del catalogo Lightroom prima di aggiungere foto"
 }
diff --git a/crates/ui-egui/locales/ja.json b/crates/ui-egui/locales/ja.json
index 41a207f75..174dc67e3 100644
--- a/crates/ui-egui/locales/ja.json
+++ b/crates/ui-egui/locales/ja.json
@@ -2350,5 +2350,6 @@
   "Dropped Files": "ドロップしたファイル",
   "Import dropped files without review": "ドロップしたファイルを確認せずに読み込む",
   "An import is running": "読み込み中です",
-  "An import is running. Drop photos when it has finished": "読み込み中です。完了してから写真をドロップしてください"
+  "An import is running. Drop photos when it has finished": "読み込み中です。完了してから写真をドロップしてください",
+  "Finish Lightroom catalog import before adding photos": "写真を追加する前に Lightroom カタログの読み込みを完了してください"
 }
diff --git a/crates/ui-egui/locales/ka.json b/crates/ui-egui/locales/ka.json
index 2326c4787..320734ddb 100644
--- a/crates/ui-egui/locales/ka.json
+++ b/crates/ui-egui/locales/ka.json
@@ -2727,5 +2727,6 @@
   "Dropped Files": "ჩაგდებული ფაილები",
   "Import dropped files without review": "ჩაგდებული ფაილების იმპორტი გადახედვის გარეშე",
   "An import is running": "იმპორტი მიმდინარეობს",
-  "An import is running. Drop photos when it has finished": "იმპორტი მიმდინარეობს. ფოტოები ჩააგდეთ, როცა დასრულდება"
+  "An import is running. Drop photos when it has finished": "იმპორტი მიმდინარეობს. ფოტოები ჩააგდეთ, როცა დასრულდება",
+  "Finish Lightroom catalog import before adding photos": "ფოტოების დამატებამდე დაასრულეთ Lightroom-ის კატალოგის იმპორტი"
 }
diff --git a/crates/ui-egui/locales/pl.json b/crates/ui-egui/locales/pl.json
index e9ca8902d..d85e706de 100644
--- a/crates/ui-egui/locales/pl.json
+++ b/crates/ui-egui/locales/pl.json
@@ -2277,5 +2277,6 @@
   "Dropped Files": "Upuszczone pliki",
   "Import dropped files without review": "Importuj upuszczone pliki bez przeglądu",
   "An import is running": "Import jest w toku",
-  "An import is running. Drop photos when it has finished": "Import jest w toku. Upuść zdjęcia, gdy się zakończy"
+  "An import is running. Drop photos when it has finished": "Import jest w toku. Upuść zdjęcia, gdy się zakończy",
+  "Finish Lightroom catalog import before adding photos": "Zakończ import katalogu Lightroom, zanim dodasz zdjęcia"
 }
diff --git a/crates/ui-egui/locales/pt-br.json b/crates/ui-egui/locales/pt-br.json
index bfd01c8dc..24bdaec1d 100644
--- a/crates/ui-egui/locales/pt-br.json
+++ b/crates/ui-egui/locales/pt-br.json
@@ -2196,5 +2196,6 @@
   "Dropped Files": "Arquivos soltos",
   "Import dropped files without review": "Importar arquivos soltos sem revisão",
   "An import is running": "Uma importação está em andamento",
-  "An import is running. Drop photos when it has finished": "Uma importação está em andamento. Solte as fotos quando ela terminar"
+  "An import is running. Drop photos when it has finished": "Uma importação está em andamento. Solte as fotos quando ela terminar",
+  "Finish Lightroom catalog import before adding photos": "Conclua a importação do catálogo do Lightroom antes de adicionar fotos"
 }
diff --git a/crates/ui-egui/locales/ru.json b/crates/ui-egui/locales/ru.json
index 4abbe5cfc..eba7789a2 100644
--- a/crates/ui-egui/locales/ru.json
+++ b/crates/ui-egui/locales/ru.json
@@ -2343,5 +2343,6 @@
   "Dropped Files": "Перетащенные файлы",
   "Import dropped files without review": "Импортировать перетащенные файлы без проверки",
   "An import is running": "Импорт уже выполняется",
-  "An import is running. Drop photos when it has finished": "Импорт уже выполняется. Перетащите фото, когда он закончится"
+  "An import is running. Drop photos when it has finished": "Импорт уже выполняется. Перетащите фото, когда он закончится",
+  "Finish Lightroom catalog import before adding photos": "Завершите импорт каталога Lightroom, прежде чем добавлять фото"
 }
diff --git a/crates/ui-egui/locales/uk.json b/crates/ui-egui/locales/uk.json
index 26908a7c6..ffcff0ba0 100644
--- a/crates/ui-egui/locales/uk.json
+++ b/crates/ui-egui/locales/uk.json
@@ -2348,5 +2348,6 @@
   "Dropped Files": "Перетягнуті файли",
   "Import dropped files without review": "Імпортувати перетягнуті файли без перегляду",
   "An import is running": "Імпорт уже виконується",
-  "An import is running. Drop photos when it has finished": "Імпорт уже виконується. Перетягніть фото, коли він завершиться"
+  "An import is running. Drop photos when it has finished": "Імпорт уже виконується. Перетягніть фото, коли він завершиться",
+  "Finish Lightroom catalog import before adding photos": "Завершіть імпорт каталогу Lightroom, перш ніж додавати фото"
 }
diff --git a/crates/ui-egui/locales/zh-hans.json b/crates/ui-egui/locales/zh-hans.json
index c48e3c736..768c65f65 100644
--- a/crates/ui-egui/locales/zh-hans.json
+++ b/crates/ui-egui/locales/zh-hans.json
@@ -2194,5 +2194,6 @@
   "Dropped Files": "拖入的文件",
   "Import dropped files without review": "不经检查直接导入拖入的文件",
   "An import is running": "正在导入",
-  "An import is running. Drop photos when it has finished": "正在导入。导入完成后再拖放照片"
+  "An import is running. Drop photos when it has finished": "正在导入。导入完成后再拖放照片",
+  "Finish Lightroom catalog import before adding photos": "添加照片前，请先完成 Lightroom 目录的导入"
 }
diff --git a/crates/ui-egui/locales/zh-hant.json b/crates/ui-egui/locales/zh-hant.json
index 5af20f3ec..1c59ce9e1 100644
--- a/crates/ui-egui/locales/zh-hant.json
+++ b/crates/ui-egui/locales/zh-hant.json
@@ -2151,5 +2151,6 @@
   "Dropped Files": "拖放的檔案",
   "Import dropped files without review": "不經檢查直接匯入拖放的檔案",
   "An import is running": "正在匯入",
-  "An import is running. Drop photos when it has finished": "正在匯入。匯入完成後再拖放照片"
+  "An import is running. Drop photos when it has finished": "正在匯入。匯入完成後再拖放照片",
+  "Finish Lightroom catalog import before adding photos": "新增照片前，請先完成 Lightroom 目錄的匯入"
 }
diff --git a/crates/ui-egui/src/control.rs b/crates/ui-egui/src/control.rs
index 12bc9e14a..780250038 100644
--- a/crates/ui-egui/src/control.rs
+++ b/crates/ui-egui/src/control.rs
@@ -297,8 +297,9 @@ pub fn handle(app: &mut LightcraftApp, ctx: &egui::Context, req: &ControlRequest
             ok(Value::Null)
         }
         "ui.dropFiles" => {
+            // every entry must be a string: a script is not told `ok` for a part of what it sent
             let Some(paths) =
-                p.get("paths").and_then(Value::as_array).map(|a| a.iter().filter_map(Value::as_str).map(str::to_string).collect::<Vec<_>>())
+                p.get("paths").and_then(Value::as_array).and_then(|a| a.iter().map(|v| v.as_str().map(str::to_string)).collect::<Option<Vec<_>>>())
             else {
                 return err("ui.dropFiles: paths must be an array of strings");
             };
diff --git a/crates/ui-egui/src/drop_overlay.rs b/crates/ui-egui/src/drop_overlay.rs
index 3754fb76a..e8c5d4724 100644
--- a/crates/ui-egui/src/drop_overlay.rs
+++ b/crates/ui-egui/src/drop_overlay.rs
@@ -40,7 +40,10 @@ fn lines(app: &LightcraftApp, paths: Vec<String>, unknown: bool) -> Vec<String>
         let n = drop.presets.len();
         out.push(crate::i18n::tr_format!("Drop to import {n} preset{}", plural(n), n = n));
     }
-    if !drop.photos.is_empty() && crate::import::running(app) && !cfg!(target_arch = "wasm32") {
+    if !drop.photos.is_empty() && app.lightroom.is_some() && !cfg!(target_arch = "wasm32") {
+        // the drop is refused while a Lightroom catalog import owns the catalog
+        out.push(crate::i18n::tr("Finish Lightroom catalog import before adding photos").to_string());
+    } else if !drop.photos.is_empty() && crate::import::running(app) && !cfg!(target_arch = "wasm32") {
         out.push(crate::i18n::tr("An import is running. Drop photos when it has finished").to_string());
     } else if !drop.photos.is_empty() {
         let n = drop.photos.len();
diff --git a/crates/ui-egui/src/lib.rs b/crates/ui-egui/src/lib.rs
index 994b989c8..e016b4790 100644
--- a/crates/ui-egui/src/lib.rs
+++ b/crates/ui-egui/src/lib.rs
@@ -1276,7 +1276,7 @@ impl LightcraftApp {
             return;
         }
         if self.lightroom.is_some() {
-            self.toast(ctx, "Finish Lightroom catalog import before adding photos");
+            self.toast(ctx, crate::i18n::tr("Finish Lightroom catalog import before adding photos"));
             return;
         }
         if import::running(self) {
diff --git a/crates/ui-egui/src/lightroom_import.rs b/crates/ui-egui/src/lightroom_import.rs
index 2bda28cf4..ce462b1d7 100644
--- a/crates/ui-egui/src/lightroom_import.rs
+++ b/crates/ui-egui/src/lightroom_import.rs
@@ -140,6 +140,22 @@ fn unsupported_wasm() -> Result<Value, String> {
     Err("Lightroom catalog import is unavailable in browser builds; open the catalog in the native LightCraft app".into())
 }
 
+/// Tests: a catalog import that never ends while the returned value lives, so a drop meets it pending.
+#[cfg(all(test, not(target_arch = "wasm32")))]
+pub(crate) fn stall_import(app: &mut LightcraftApp) -> Box<dyn std::any::Any> {
+    let (tx, rx) = mpsc::channel::<Message>();
+    let task = LightroomTask::new(
+        &app.session,
+        Kind::Import,
+        PathBuf::from("catalog.lrcat"),
+        Arc::new(AtomicBool::new(false)),
+        LightroomProgress::default(),
+        rx,
+    );
+    app.lightroom = Some(task);
+    Box::new(tx)
+}
+
 /// Whether a Lightroom task currently owns the catalog transition.
 pub fn is_running(app: &LightcraftApp) -> bool {
     app.lightroom.is_some()
diff --git a/crates/ui-egui/src/tests_drop_import.rs b/crates/ui-egui/src/tests_drop_import.rs
index fad64397f..bee26a184 100644
--- a/crates/ui-egui/src/tests_drop_import.rs
+++ b/crates/ui-egui/src/tests_drop_import.rs
@@ -199,3 +199,33 @@ fn a_direct_drop_while_an_import_runs_is_refused_too() {
     assert!(h.app.import.is_none(), "no second import");
     assert!(h.app.ui.toast.is_some());
 }
+
+/// While a Lightroom catalog import is pending the drop is refused, and the card says so instead of
+/// promising a review.
+#[test]
+fn hovering_photos_while_a_lightroom_import_is_pending_says_they_will_be_refused() {
+    let dir = Scratch::new("lightroom");
+    let mut h = app(&dir);
+    let _task = crate::lightroom_import::stall_import(&mut h.app);
+    drop_files(&mut h, &[dir.path("trip")], true);
+    assert!(said(&h, "Finish Lightroom catalog import"), "{:?}", h.painted_text());
+    assert!(!said(&h, "review"), "{:?}", h.painted_text());
+    drop_files(&mut h, &[dir.path("trip")], false);
+    assert!(h.app.ui.dialog.is_none(), "no review opened");
+    assert!(h.app.ui.toast.is_some(), "the person is told why");
+    assert_eq!(photos(&h), 0);
+}
+
+/// A script is not told `ok` for the part of a `paths` list that was strings.
+#[test]
+fn drop_files_with_a_non_string_path_is_rejected_and_drops_nothing() {
+    let dir = Scratch::new("badpaths");
+    let mut h = app(&dir);
+    let r = h.request("ui.dropFiles", json!({"paths": [dir.path("trip"), 7]}), T);
+    assert_eq!(r["ok"], false, "{r}");
+    for _ in 0..30 {
+        h.step();
+    }
+    assert!(h.app.ui.dialog.is_none(), "nothing was dropped");
+    assert_eq!(photos(&h), 0);
+}