Fix slow Codex profile window presentation

[euforic]

Summary

• keep signed-process validation at two seconds
• allow up to ten seconds for a verified Codex profile to present its first window
• retain termination behavior for genuinely windowless launches
• add regression coverage for delayed window presentation

Validation

• swift test (271 tests, 9 opt-in skips, 0 failures)

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[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-02T04:43:05.337689Z	37c7622	PR opened

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