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[Maeumjigi Capstone Dev Log #19] Automated Evaluation Reports & FastAPI PostgreSQL 401 Debugging

· 5 min read
Jihwan Park (jaybee)
AI & Robotics Engineer

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Mid-May 2026 was supposed to be a calm interval after wrapping up our 2nd fine-tuning (fine_tuning_2). Instead, May 17th hit our team with a relentless double challenge: condensing hundreds of raw inference metrics into an automated technical report, while simultaneously battling a cryptic HTTP 401 Unauthorized cascading error across our newly integrated FastAPI and PostgreSQL backend.

Here is the complete post-mortem of how we automated our reporting and systematically neutralized the backend authentication breakdown.