tests: separate attach startup and behavior deadlines

Allow the real CLI ten seconds to reach raw mode when integration fixtures run concurrently. Input routing and termination still have three-second limits, so startup scheduling cannot masquerade as the identity regression.
eb64c2c0ddLucenx9 committed on 10/14/2026, 11:16:20 AMparentfd374c8
2 files changedLine totals unavailable