Server Converters

lib/server/converters.ts contains file conversion helpers invoked by API routes.

PDF to Text

• Uses pdf-parse inner module to avoid dev-mode asset issues
• Writes .txt next to the input PDF in input/
• Archives original PDFs under input/_pdfs once a .txt exists

Parquet to JSON

• Reads entities.parquet, relationships.parquet, communities.parquet, community_reports.parquet
• Primary: parquetjs-lite; Fallback: Python (pyarrow) for unsupported versions
• Writes JSON outputs alongside parquet files in output/