fix(v1): preserve truncated tool result bodies - #13
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ranxianglei merged 2 commits intoAug 13, 2026
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验证： 非阻断剩余风险：尚未运行真实 OpenCode V1 端到端；空字符串 result core 按无改写处理（当前 kernel 截断结果始终非空）。V2 明确不在本 PR 范围内。 |
# Conflicts: # packages/billion-context-opencode/src/messages-v1.ts # packages/billion-context-opencode/tests/messages.test.ts
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范围
这是原 PR #3 在当前 monorepo 上的替代版本，仅修复 OpenCode V1 适配器：
packages/billion-context-opencode/src/messages-v1.tsmessages-v2.ts，也不对尚未验证的 OpenCode V2 结果结构作结论现象
acp-kernel的 emergency truncate 会改写tool-resultcore 的正文，但 V1 的reassemble在确认 tool-call 与 tool-result 都存活后，直接把原始 tool part 放回消息。结果是 kernel 已生成的截断正文被丢弃，完整工具输出仍会发送给模型。修复
新增统一的 V1 工具结果正文投影，并在重组时按原状态回填：
state.outputError: ${state.error}；回填state.error时只移除适配层添加的一个Error:前缀metadata.interrupted === true且存在字符串输出时，读取并写回state.metadata.outputapplyToolBody仅在 kernel 正文发生实质变化时创建新 part；尾部空白差异保持原对象不变。回填通过对象展开保留原来的status、input、error、metadata、time及其他宿主字段，不会把失败状态改成成功。原有 tool call/result 配对规则保持不变；dual-shape export、持久化状态、kernel 配置和 V2 适配器均不受影响。
验证
metadata.output投影并回填npm run typecheck：通过npm run test：30/30 通过npm run build：通过acp-kernelemergency truncate 的 V1 round trip：通过（12,010 字符原结果回填为 4,064 字符的带截断标记结果）仓库现有根目录
smoke.mjs仍引用重构前的dist/index.js，而当前构建输出位于packages/billion-context-opencode/dist/index.js；这是当前master的既有路径问题，本 PR 未扩大范围修改。开发记录与审查
devlog/2026-08-13_v1-tool-result-truncation/包含REQ.md、WORKLOG.md、DESIGN.mdAGENTS.md要求交由两名独立 Agent 审查；审查结论记录在 PR 评论中