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[Maeumjigi 毕业设计开发日志 #22] 第四轮微调大捷: Checkpoint-4400、黄金数据混合比与全系统架构设计

· 阅读需 4 分钟
Jihwan Park (jaybee)
AI & Robotics Engineer

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The final week of May 2026 (May 27–30) proved to be the grand culmination of our experimental modeling phase. After weeks of hyperparameter tuning, GPU out-of-memory crashes, and dataset revisions, our 4th Fine-Tuning cycle (fine_tuning_4) crossed the finish line.

This post reveals the technical breakthrough that resolved the chronic "over-counseling" trap, quantitative validation of our golden weight Checkpoint-4400, and the end-to-end system architecture designed for real-world deployment.

[Maeumjigi 毕业设计开发日志 #1] 第一步与规划: Claude Code AI 协作规则及从闹钟应用向心理健康 AI 的关键转型

· 阅读需 4 分钟
Jihwan Park (jaybee)
AI & Robotics Engineer

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March 26, 2026, marks the historic first day of our university capstone engineering project. Today laid the structural bedrock for everything to come: adopting an autonomous AI coding assistant (Claude Code), designing team collaboration protocols, and making the pivotal architectural decision that transformed a simple reservation alert tool into Maeumjigi, a specialized AI mental health counseling platform.