Collapse one-word and very short caption carry-over fragments so reprocessed YouTube transcripts do not retain residual prefix chains. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Collapse one-word and very short caption carry-over fragments so reprocessed YouTube transcripts do not retain residual prefix chains. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>