Stop active Codex child agents on abort

[SmallSpider0]

Summary

• Track active Codex child-agent turns by thread/turn id and interrupt them together with the parent turn when Stop/abort is invoked.
• Reuse the same interruption path for Codex slash-command interruptions such as /clear and /compact.
• Keep the composer Stop control enabled while Codex child-agent cards are still running, even after the parent turn is no longer marked as thinking.
• Refresh bun.lock with the missing optional win32 HAPI package entry required by the current Bun lockfile validation during deploy builds.

Testing

• cd cli && bun run test src/codex/codexRemoteLauncher.test.ts
• cd web && bun run build
• bun typecheck
• Manual deployed verification: started a long-running Codex child agent from the web session and confirmed the Stop button remained clickable and stopped the child agent.

Review

• Sub-agent review: PASS, no blockers.
• Noted non-blocking risks: child interruption depends on child task_started events carrying thread_id and turn_id; web Stop-button behavior is manually verified but not covered by a dedicated web unit test.

[github-actions]

Findings

• No issues found with confidence >= 80% in the added/modified lines.

Summary

• Review mode: initial
• Reviewed the full latest diff for Codex child-turn interruption, slash-command abort reuse, web runtime running-state propagation, and the lockfile update. Residual risk: the web Stop-button behavior for child-agent-only runs is not covered by a dedicated web unit/integration test; not found in repo/docs.

Testing

• Not run (automation: bun is not installed in this runner).

HAPI Bot