Charley Cunningham 85065ea1b8 core: snapshot fork startup context injection (#15443) ...

## Summary
- add a snapshot-style core test for fork startup context injection
followed by first-turn diff injection
- capture the current duplicated startup-plus-turn context behavior
without changing runtime logic

## Testing
- not run locally; relying on CI
- just fmt

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Co-authored-by: Codex <noreply@openai.com>

2026-03-22 18:24:14 -07:00

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codex_core__codex_tests__fork_startup_context_then_first_turn_diff.snap

core: snapshot fork startup context injection (#15443)

2026-03-22 18:24:14 -07:00