rust-data-processing 0.3.1

Schema-first ingestion (CSV, JSON, Parquet, Excel) into an in-memory DataSet, plus Polars-backed pipelines, SQL, profiling, validation, and map/reduce-style processing.
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{
  "paths": ["{{PATH_A}}", "{{PATH_B}}"],
  "schema_ref": "schemas/id_name.schema.json",
  "options": { "format": "csv" },
  "response": { "mode": "dataset", "max_rows": 50 }
}