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task_complete not written to output causes loss of actual result #2482

@lorenz-mcroonenbroeck

Description

@lorenz-mcroonenbroeck

Describe the bug

Regression/Related: #1324

copilot -p "some task e.g. review" --autopilot --model "claude-opus-4.6" Sometimes has no meaningful output (e.g. Agent says it has everything to output a review but nothing is "written" to the output)

if you call copilot -p "continue" --continue --autopilot --model "claude-opus-4.6" it will tell you that the result is already in the task_complete and therefore it is done and has nothing further to do.

if you use --excluded-tools task_complete the agent will not terminate and tries to "search" for a way to terminate since everything is already done. Workaround: set --max-autopilot-continues to something low e.g. 3. But you still don't have access to the content of the task_completed result.

Affected version

1.0.14

Steps to reproduce the behavior

copilot -p "some task e.g. review" --autopilot --model "claude-opus-4.6" happens roughly in 1 of 10 tries.

Expected behavior

The task_completed output is written to STDOUT

Additional context

Workaround: add a task_completed hook to get the content. But since the agent sometimes outputs to STDOUT and sometimes via task_completed it requires some logic the fetch tp correct output.

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    area:agentsSub-agents, fleet, autopilot, plan mode, background agents, and custom agentsarea:non-interactiveNon-interactive mode (-p), CI/CD, ACP protocol, and headless automation

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