Projects, tools and experiments I build.
01
Finance App
Local private finance
Local-first personal finance OS
A desktop-first Personal Resource Planning app built around double-entry accounting, balance sheets, cash flow reports, local SQLite ownership, and an optional AI finance assistant.
02
AI Skill
Personal workflow kit
Personal Codex skill library
A self-use collection of Codex / OpenAI skills, prompts, and protocols for Chinese writing layout, Obsidian vault curation, daily records, bidirectional links, self-profile distillation, lecture notes, and product or visual reverse engineering.
03
Illustration
Article illustration IP
Gugugu bird illustration skill
A Codex Skill that turns judgments, processes, states, and metaphors inside Chinese articles into clean 16:9 white-background hand-drawn Gugugu Bird illustrations with light handwritten annotations.
04
Design System
Design OS
Design operating system for AI agents
An extensible Design Operating System for AI agents. It separates Brand DNA, Scene, Audience, Layouts, and Components so design output can stay creative without becoming random.