Review this translated document excerpt for cross-row and source→target inconsistencies.

Source language: {source_lang_name}
Target language: {target_lang} ({prompt_target_phrase})

{glossary_block}

Corpus format: row_index TAB field TAB source_plain TAB target_plain
Compare source vs target per row_index. Flag rows that need re-translation and write one fix_instruction per problem row.

{chunk_note}CORPUS EXCERPT:
{corpus_chunk}
