arXiv: cs.AI preprintsInternational6 November 2026
openJiuwen: Beyond Static Harnesses for Long-Horizon Coding Agents
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arXiv:2608.27969v2 Announce Type: replace Abstract: Long-horizon coding agents operate over evolving repository states while increasingly relying on heterogeneous capabilities, delegated agents, and multi-agent coordination. These trends pose two complementary challenges for the agent harness. First, developers need to compose capabilities, reconfigure execution logic, and scale increasingly complex agent systems without repeatedly rebuilding orchestration. Second, complex coding tasks continuously produce new evidence---such as semantic diagnostics, execution outcomes, task progress, and chan
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