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Dev Blog Overhaul Exposes Silent Failures in Automated Trading Pipeline

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A developer rebuilding their algorithmic trading devlog discovered that automation had silently stalled for over ten days due to a permission prompt blocking the final save step. The publishing setup was overhauled, with new posts migrated to GitHub Pages and Dev.to while Tistory was retained only as an archive. An A/B test on financial data processing revealed a sampling bias risk, which was caught after a second AI confirmed that two sample groups measured the same change rather than different conditions. A separate bug was found where internal instruction text leaked verbatim into a report output, prompting fixes to both the instructions and the leak detector. Additional instrumentation was added across the system so that silent crashes, ambiguous zero-detection readings, and stalled benchmarks can now be identified from logs without manual monitoring.

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Dev Blog Overhaul Exposes Silent Failures in Automated Trading Pipeline · ShortSingh