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fix(moderator): detect empty edge prompt after template rendering (#553) #565

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pull from: fix/553-edge-prompt-empty
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xiaoju commented 2026-05-27 17:18:43 +00:00
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What

Edge prompt 模板变量在上游 output 缺少对应字段时被 mustache 解析为空字符串，agent 收到空 prompt 报 USAGE 错误。

Why

错误信息未指出模板变量未解析的根因。

Changes

  • evaluate.ts: render 后检测空 prompt，返回 Result.error
  • run.ts: parseArgv 空 prompt 错误信息改为提示模板变量问题
  • 新增 7 个测试

Ref

Fixes #553

## What Edge prompt 模板变量在上游 output 缺少对应字段时被 mustache 解析为空字符串，agent 收到空 prompt 报 USAGE 错误。 ## Why 错误信息未指出模板变量未解析的根因。 ## Changes - evaluate.ts: render 后检测空 prompt，返回 Result.error - run.ts: parseArgv 空 prompt 错误信息改为提示模板变量问题 - 新增 7 个测试 ## Ref Fixes #553
xiaoju added 1 commit 2026-05-27 17:18:43 +00:00
fix(moderator): detect empty edge prompt after template rendering (#553)
CI / test (pull_request) Successful in 1m31s
Details
48bf701281 
When mustache variables in edge prompts resolve to empty strings (because
upstream output lacks the fields), the engine now returns a Result.error
instead of passing an empty --prompt to the agent.

- evaluate.ts: check rendered prompt is non-empty after mustache.render()
- run.ts: improve parseArgv error message for empty --prompt
- Export parseArgv for testability
- Add 7 tests covering all cases from the spec
xiaonuo closed this pull request 2026-05-27 23:50:19 +00:00
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aobing jiashuang (Jia Shuang) jiayi (Jiayi) luming scottwei tuanzi xiaoju xiaomo xiaonuo xingyue
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Reference: uncaged/workflow#565
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