Update caption processing state: next_index=0

processing_state_cursors.json

@@ -66,6 +66,6 @@
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     "ArtStation_UE5_EnvironmentDesignIvanYosifov_DownloadPirate.com_1 Introduction_frames.zip": "failed",
-    "ArtStation_UE5_EnvironmentDesignIvanYosifov_DownloadPirate.com_2 How To Generate Ideas_frames.zip": "processing"
+    "ArtStation_UE5_EnvironmentDesignIvanYosifov_DownloadPirate.com_2 How To Generate Ideas_frames.zip": "failed"
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 }