feat: drop spawned-agent context instructions#19127
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aibrahim-oai
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Apr 23, 2026
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Codex Review: Didn't find any major issues. Bravo. ℹ️ About Codex in GitHubYour team has set up Codex to review pull requests in this repo. Reviews are triggered when you
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Why
MultiAgentV2 children should not receive an extra model-visible developer fragment just because they were spawned. The parent/configured developer instructions should carry through normally, but the dedicated
<spawned_agent_context>block is no longer desired.What changed
SpawnAgentInstructionscontext fragment and its<spawned_agent_context>wrapper.codex-rs/core/src/tools/handlers/multi_agents_v2/spawn.rs.Verification
cargo test -p codex-core --test all spawned_multi_agent_v2_child_inherits_parent_developer_context -- --nocapturecargo test -p codex-core --test all skills_toggle_skips_instructions_for_parent_and_spawned_child -- --nocapturecargo test -p codex-core --test all subagent_notifications -- --nocapture