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Recent projects and posts
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Portfolio Manager
The cockpit for my real US brokerage book — broker-authoritative trade journal, a Minervini-style audit bot, and tripwires that fire when a thesis breaks
TW Trading Bot
A real-money Taiwan stock trading bot on SinoPac Shioaji — the agent proposes, I approve, and pure-function guards block everything else
post-to-visual
An open-source pipeline and toolkit that turns any article into a single-file, illustrated, easy-read HTML page — works with zero API keys
Latest Posts
View allWhat 3 Months Did to My Claude Code Workflow
I open-sourced my Claude Code workflow in March. By June it was teaching a 2024 habit on a 2026 tool. Here's what a fast-moving CLI broke — and the audit that caught it.
The 3 Files That Turn Claude Code Into Your Dev Partner
Part 1 made Claude remember your project. These three files make Claude remember you.
The 3 Files That Make Claude Code Actually Remember
You're 40 minutes into a session and Claude is rebuilding the auth you finished yesterday. The fix isn't better prompting. It's three files.
Currently studying
A map of what I'm reading and turning into illustrated, easy-to-read summaries (圖文好讀版). Each dot is one read — bigger means deeper.
Click a topic to expand it · drag a topic to pin it (double-click to release)
Latest reads
Applied Materials (AMAT): A Variant-Perception Deep Dive
晶片複雜度的「賣鏟人」：先進製程與 3D 堆疊的沉積／蝕刻／鍵合／量測都靠它。頁面走變異觀點九步驟，附預先寫下的進場區、加碼階梯、股價 -40% 檢查清單與逐次更新紀錄 — 每個數字標來源與日期，結論隨數字改。個人研究，非投資建議。
原文 · Jazz Lien · 自有研究（IBKR + 10-K）
Aehr（AEHR）：晶片出廠前的體能測驗，股價先跑了兩年
晶片出廠前要先在高溫下「操」過，AI 讓 Aehr 這門生意一年翻近三倍。拆解晶圓級老化測試、兩三家客戶撐起營收的風險，以及 98 美元的股價已經先付了哪些還沒下的單。
原文 · Jazz Lien · 自有研究（IBKR + SEC 8-K／10-K + 財報電話會逐字稿）
高通（QCOM）：晶片丟了蘋果，專利收費站還在
蘋果不再用高通的上網晶片，卻仍在付專利費，9 月剛續約。拆解手機晶片、專利收費站、車用與資料中心四門生意，以及股價在等的答案：2026 年 12 月那一季，資料中心營收會不會出現。
原文 · Jazz Lien · 自有研究（IBKR + SEC 8-K／10-Q + 財報電話會逐字稿）
Build activity
Live from GitHub — what shipping looks like day to day. More on the about page.
Lab
A creative-coding playground — four interactive sketches, from kinetic type to a recursive tree.
Work With Me
Training, mentorship, and hands-on building — I teach through doing.
AI & Cloud Training
Hands-on GCP & GenAI workshops
Vibe Coding Mentorship
Ship your ideas with AI-assisted dev
English Coaching
Learn through passion, not textbooks