Update caption processing state: next_index=0

processing_state_cursors.json

@@ -2,6 +2,6 @@
   "next_download_index": 0,
   "file_states": {
     "AliveAnimationBlender_DownloadPirate.com.part3_08-05-01 Blocking breakdowns part01_frames.zip": "processing",
-    "AliveAnimationBlender_DownloadPirate.com.part3_08-05-02 Blocking breakdowns part02_frames.zip": "failed"
+    "AliveAnimationBlender_DownloadPirate.com.part3_08-05-02 Blocking breakdowns part02_frames.zip": "processing"
   }
 }