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Antonio Zhu

AI systems engineer. 21 years in backend, data platforms, and distributed systems. Writing about OpenCode internals, coding-agent reliability, and the boring engineering needed to make AI-assisted dev

Joined Joined on  Personal website https://jczhu.com/ github website
My OpenCode Database Was Mostly Empty Space
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My OpenCode Database Was Mostly Empty Space

#agents #database #programming
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6 min read

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OpenCode Tool Calling Internals
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OpenCode Tool Calling Internals

#agents #architecture #llm #typescript
2
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13 min read
OpenCode V2 Compaction Internals
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OpenCode V2 Compaction Internals

#architecture #llm #opensource #typescript
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11 min read
My Agent Kept Writing sleep Loops. So I Gave It a Better Primitive
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My Agent Kept Writing sleep Loops. So I Gave It a Better Primitive

#agents #ai #automation #devops
1
Comments 4
3 min read
Six Laws for Talking to AI
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Six Laws for Talking to AI

#ai #coding #llm #productivity
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9 min read
I Reverse Engineered a Closed-Format App. Everything Was in SQLite.
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I Reverse Engineered a Closed-Format App. Everything Was in SQLite.

#database #productivity #software #sql
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4 min read
I Don't Understand Embedded. I Was Still the Only One Who Could Ship It.
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I Don't Understand Embedded. I Was Still the Only One Who Could Ship It.

#ai #harness
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8 min read
Your Agent Checked Everything. It Was Still Wrong.
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Your Agent Checked Everything. It Was Still Wrong.

#ai #programming
2
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6 min read
AI Fixed The Bug. Then I Found Two More Just Like It.
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AI Fixed The Bug. Then I Found Two More Just Like It.

#ai #programming #harness
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4 min read
The Design Doc Was Wrong. AI Trusted It Anyway.
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The Design Doc Was Wrong. AI Trusted It Anyway.

#ai #programming #productivity
1
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4 min read
LLMs Are Lowering Coding Cost — But They May Be Increasing Debugging Complexity
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LLMs Are Lowering Coding Cost — But They May Be Increasing Debugging Complexity

#ai #architecture #llm #productivity
1
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4 min read
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