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Haichuan Hu

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Preprint Sep 2026

Beyond the Model: Demystifying Harness Effects in Software Engineering Agents

Large Language Model (LLM)-based agents are increasingly used for software engineering tasks, yet their performance is not determined by the base model alone. The agent harness substantially shapes how SE agents interact with repositories, execute actions, and validate solutions. However, the role of harness design rem...

Hai-Chuan Hu, Quan-Jun Zhang, Sheng-Cheng Yu et al. · 0 citations
Jul 2026

MultiFixer: A Coordinator-Proposer Based Multi-Agent Framework For Fixing Multi-Hunk Bugs

Automated Program Repair (APR) has benefited greatly from Large Language Models (LLMs), but existing LLM-based APR methods still struggle with multi-hunk bugs that require coordinated changes across multiple locations. These bugs demand repository-level context understanding, repair-order scheduling, and effective hunk...

Haichuan Hu, Chunrong Fang, Ye Shang et al. · 0 citations
Preprint Jul 2026

ReProAgent: Tool-Augmented Multi-Stage Agentic Generation of Bug Reproduction Tests from Issue Reports

ReProAgent is a multi-stage agent framework for reproduction test generation from issue reports that decomposes the task into four agent stages: bug localization, root cause analysis, test planning, and test generation, and generalizes across multiple backbone LLMs.

Quanjun Zhang, Yi Zheng, Ye Shang et al. · 1 citation
Review Aug 2026

Self-Evolving Coding Agents

This survey aims to clarify the conceptual boundaries of self-evolving coding agents and provide a foundation for designing more adaptive, reliable, and software-aware agentic systems.

Hao Zhou, Hai-Chuan Hu, Tianyu Luo et al. · 0 citations

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