Codex autonomously multiplied work across worktrees/subagents, exhausted weekly quota, then aborted the active turn

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Quiet
Tech stack
rust
Domain
ai-infra-agents, cli

Research direction

The payload names no files, tests, or entry points. Start by reading the complete incident report and reconstructing the three-worktree workflow described; done means the requested controlled workflow no longer multiplies work across worktrees or subagents and exhausts the weekly quota.

Written by the indexing model from the issue text.

Description

app bug rate-limits subagent

Summary

Codex exhausted almost an entire freshly reset weekly usage allowance in roughly two hours while executing a development workflow across three parallel worktrees. Post-incident analysis showed that each worktree also used its own subagents.

I requested that the implementation be performed in small, controlled pieces. I did not request an especially expensive multi-agent strategy, nor did I explicitly ask Codex to multiply each worktree into

Dominant language
Rust
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Forks
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Avg merge
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Merged PRs (30d)
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