Windows CI job tests Tesseract OCR for bank statement converter, surfacing two script bugs

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A developer added a Windows continuous-integration job to test OCR on scanned bank statement PDFs, installing Tesseract via Chocolatey and Simplified Chinese language data. The job asserts the language data loads before running, so missing-language errors aren't mistaken for parser failures. The first two runs failed due to encoding bugs in the test script that only appear on Windows, not OCR quality problems. After fixing them, the job passed, with all six rows on a synthetic scanned fixture extracted correctly. The author notes the test still uses a clean single-page scan, and Tesseract remains a separate install not bundled with the converter.

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