wip: estado de trabajo pendiente antes de la vista grid (suite 230 verde)

tests/test_store_platform.py

@@ -100,6 +100,37 @@ def test_query_videos_filters(seeded_store):
     assert rows3[0].video_id == "v2"
 
 
+def test_upsert_videos_reports_only_new_rows(seeded_store):
+    inserted = seeded_store.upsert_videos([
+        VideoRef("v1", "UC1", "Updated title", "https://y/watch?v=v1", "20240101", 120),
+        VideoRef("v4", "UC1", "New video", "https://y/watch?v=v4", "20240501", 180),
+    ])
+
+    assert inserted == 1
+    assert seeded_store.get_video("v1").title == "Updated title"
+    assert seeded_store.get_video("v4").status == "pending"
+
+
+def test_upload_sort_uses_discovered_time_when_date_is_missing(seeded_store):
+    seeded_store.upsert_videos([
+        VideoRef("recent", "UC1", "Recent discovered", "https://y/watch?v=recent"),
+    ])
+
+    rows, _ = seeded_store.query_videos(channel_id="UC1", sort="upload_date", page=1, size=1)
+
+    assert rows[0].video_id == "recent"
+
+
+def test_mark_status_clears_stale_error_message(seeded_store):
+    seeded_store.mark_error("v1", "temporary extraction failure")
+
+    seeded_store.mark_status("v1", "no_subtitles")
+
+    video = seeded_store.get_video("v1")
+    assert video.status == "no_subtitles"
+    assert video.error_msg is None
+
+
 def test_cookie_vault(store):
     from yt_scraper import cookies
     sample = (