anomalyco / anomalyco/opencode
[OpenCode v1.16.42] task 工具派发 subagent 时不使用 agent.md 配置的 model，继承父 session model
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Since Aug 24, 2026.
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Description
Description
核心问题：task 工具创建子 agent session 时不读取 agent.md frontmatter 的 model 字段，而是继承 primary agent 的 model。导致 per-agent model 配置完全失效。
复现步骤：
配置 supervisor.md model: provider/GLM-5.2，data-engineer.md model: provider/Qwen3.8-27B
opencode debug agent data-engineer 确认配置被正确解析（modelID=Qwen3.8-27B）
supervisor 通过 task 工具派发 data-engineer
检查 workspace dat 的 workspace:model-selection，子 session 实际用 GLM-5.2
根因：task 工具创建新 session 时不传递 agent 配置的 model，继承父 session model 选择。
期望行为：task 工具应使用子 agent 配置的 model，仅在未配置时回退到父 session model。
证据文件：opencode.workspace..dat 中的 workspace:model-selection 字段
环境影响：无法为不同专业 agent 分配不同模型（如推理模型给 supervisor、代码生成模型给 simulation-agent）
Plugins
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OpenCode version
OpenCode v1.16.42
Steps to reproduce
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Screenshot and/or share link
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Operating System
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Terminal
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