Generates a synthetic messy CSV at the target size, then runs every
pipeline stage end-to-end (detect_encoding, repair_bytes, analyze,
auto_fix on sample + full file) capturing wall-clock and peak RSS at
each stage. Not part of the automated suite — invoke directly via
``python scripts/stress_1_25gb.py``. ``--keep`` to preserve the file
between runs, ``--target-gb`` to tune the size.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Michael
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