项目过程、数据分析与仍在形成中的产品想法，按时间倒序整理。Project work, analytics, and product ideas in progress, ordered by date.
MemoryRush 是一个本地 AI/ML 项目，目标是把长文本阅读材料转成可追溯原文证据的记忆点、核心观点和复习问题。MemoryRush is a local AI/ML project that turns long-form reading material into source-grounded memory units, core ideas, and recall questions.
一次 Analytics Log：从 Spotify 2023 数据清洗、log(streams) 建模、残差诊断到共线性检查，整理音乐播放量分析流程。An Analytics Log on cleaning Spotify 2023 data, modeling log(streams), checking residuals, and diagnosing collinearity.
一次产品脑暴：用房间、游戏适配器、评分算法和排名动画，做一个可以扩展到 Apex、CS2 等游戏的多人实力对比平台。A product brainstorm for a multiplayer skill comparison platform built around rooms, game adapters, scoring algorithms, and ranking reveal animations.
从文件迁移、安全备份、托盘后台到发布打包，记录这个 Windows 小工具的设计重点和踩坑修复。A concise project log covering file migration, safe backups, tray background mode, packaging, and the bugs fixed along the way.