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  • University of Science and Technology Beijing
  • Qingdao, China
  • 23:23 (UTC +08:00)

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Achievement: Pull SharkAchievement: Quickdraw

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ZHCHJ888/README.md

Hi, I'm Dumbtater

  Master's student at the University of Science and Technology Beijing and backend developer, focused on agent systems, reliable runtime orchestration, and evidence-driven RAG. Open-source contributor across AgentScope, Spring AI Alibaba and LangGraph4j.

Tech Stack

Java Spring Boot MySQL Redis RocketMQ Docker

Engineering Focus

Agent Runtime Agentic RAG MCP Streaming Protocols State Consistency LLM Gateway Failure Recovery

Open Source Contribution Dashboard

Contributions centered on production reliability, protocol edge cases, and Java AI infrastructure, with direct evidence links.

Metric Count Signal
Merged Upstream PRs 8 Merged on GitHub
Upstream Author Commits 3 Landed with author credit
Open PRs Awaiting Review 10 Under review
Upstream Repositories 8 Java AI and agent infrastructure

Representative Work

A compact map of the upstream problems I have worked on and the engineering value behind them.

Project Contribution Evidence
AgentScope Improved DashScope model routing and reasoning-token accounting; also addressed AG-UI message lifecycle conflicts in interleaved text, reasoning, and tool-call streams. Merged #2987 · Merged #3009 · Merged #3010
Spring AI Alibaba Preserved the shared-state message contract for A2A remote agents, preventing type failures during multi-turn routing. Merged #87
LangGraph4j Documented AgentState null-channel and reset/removal-marker behavior, with both changes incorporated into v1.8.27; also documented and tested streaming nodes across parallel graph branches. Included upstream #473 · Included upstream #474 · Approved #479

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