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long-horizon-tasks

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UpdatedFebruary 26, 2026 at 07:06

Manage long-running, multi-hour AI agent tasks using durable project memory — a structured 4-file system (SPEC, PLAN, RULES, STATUS) that prevents drift, ensures verification, and keeps work coherent across extended sessions. Use when the user asks to build something complex from scratch, run a multi-milestone project, delegate large autonomous coding work, set up a long-running agent session, create a project with 5+ milestones, or mentions "long horizon", "长任务", "长时间运行", "多里程碑", "自主编码", "autonomous coding", "durable memory". Based on OpenAI's Codex 25-hour design-tool experiment documented at https://developers.openai.com/cookbook/examples/codex/long_horizon_tasks.

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