Add watchlist download-all action

test_app.py

@@ -954,6 +954,35 @@ class WatchlistCompletionTests(unittest.TestCase):
         self.assertEqual(prepared["show_id"], "show-42")
         self.assertEqual(prepared["title"], "Queue Show Season 2")
 
+    def test_download_watchlist_item_queues_full_episode_range_for_selected_mode(self):
+        item = {"show_id": "show-42", "title": "Queue Show"}
+        job = {"id": "job-1", "show_id": "show-42", "episodes": "1-12", "mode": "dub"}
+        with mock.patch.object(APP, "ensure_runtime", return_value={"watchlist": APP.WATCHLIST, "download_queue": mock.Mock(), "config": {"quality": "best", "download_dir": "/tmp/downloads"}}), mock.patch.object(
+            APP.WATCHLIST, "get", return_value=item
+        ), mock.patch.object(APP, "search_anime", return_value=[{"id": "show-42", "title": "Queue Show", "query": "Queue Show", "index": 3}]), mock.patch.object(
+            APP, "episode_list", return_value=["1", "2", "12"]
+        ):
+            runtime = APP.ensure_runtime()
+            runtime["download_queue"].add.return_value = job
+            result = APP.download_watchlist_item("show-42", "dub")
+
+        runtime["download_queue"].add.assert_called_once_with(
+            {
+                "show_id": "show-42",
+                "query": "Queue Show",
+                "title": "Queue Show",
+                "anime_name": "Queue Show",
+                "season": "1",
+                "index": 3,
+                "mode": "dub",
+                "quality": "best",
+                "episodes": "1-12",
+                "download_dir": "/tmp/downloads",
+            }
+        )
+        self.assertEqual(result["job"], job)
+        self.assertIn("Queued Queue Show for dub download.", result["message"])
+
     def test_sync_downloaded_job_to_watchlist_rejects_ambiguous_fallback_match(self):
         job = {"query": "Queue Show", "mode": "sub", "result_index": 1, "title": "Queue Show"}
 
@@ -1571,6 +1600,15 @@ class HandlerRouteTests(unittest.TestCase):
         self.assertEqual(handler.json_payload, {"message": "Queued refresh for Show 1.", "item": queued_item})
         self.assertEqual(handler.json_status, HTTPStatus.OK)
 
+    def test_watchlist_download_all_post_returns_created_job(self):
+        body = b'{"show_id":"show-1","mode":"sub"}'
+        handler = DummyHandler("/api/watchlist/download-all", body=body, content_length=len(body))
+        payload = {"message": "Queued Show 1 for sub download.", "job": {"id": "job-1"}, "item": {"show_id": "show-1"}}
+        handler.handler_context = mock.Mock(download_watchlist_item=mock.Mock(return_value=payload))
+        APP.Handler.do_POST(handler)
+        self.assertEqual(handler.json_payload, payload)
+        self.assertEqual(handler.json_status, HTTPStatus.CREATED)
+
     def test_generic_handler_exception_skips_traceback_when_debug_disabled(self):
         handler = DummyHandler("/api/config")
         with mock.patch.object(http_handler, "debug_enabled", return_value=False), mock.patch.object(
@@ -1650,6 +1688,11 @@ class TemplateHelperTests(unittest.TestCase):
         self.assertIn("const isFullyReady = item.sub_complete && item.dub_complete;", APP.WATCHLIST_HTML)
         self.assertIn("card.className = watchlistCardClassName(item);", APP.WATCHLIST_HTML)
 
+    def test_watchlist_page_download_all_replaces_open_action(self):
+        self.assertIn("Download all", APP.WATCHLIST_HTML)
+        self.assertIn('api("/api/watchlist/download-all"', APP.WATCHLIST_HTML)
+        self.assertIn("Enter sub or dub", APP.WATCHLIST_HTML)
+
     def test_watchlist_thumbnail_warmup_skips_repeated_attempts(self):
         self.assertIn("thumbnailWarmupPending: new Set()", APP.WATCHLIST_HTML)
         self.assertIn("function thumbnailWarmupToken(item)", APP.WATCHLIST_HTML)