chore: update watchlist features and fixes

.sisyphus/evidence/task-2-second-works.txt

@@ -0,0 +1,19 @@
+# Evidence: Task 2 - Second Player Works
+
+## Scenario: First player fails, second works
+
+**Tool**: Python3
+**Preconditions**: Mock VidMoly to fail, SendVid to succeed
+**Steps**:
+1. Mock _extract_from_vidmoly to raise Exception
+2. Mock _extract_from_sendvid to return valid URL
+3. Mock _test_video_url to return True
+4. Call get_download_link_with_fallback()
+
+**Expected Result**: Returns SendVid URL (VidMoly failed, SendVid succeeded)
+
+**Actual Result**: 
+Video URL: https://sendvid.com/video.mp4
+Used player: SendVid
+
+**Status**: PASS