fix(codex): restore reasoning controls for ChatGPT account models#17865

fix(codex): account models use the gpt-6-astra default the turn runs with

Merge remote-tracking branch 'origin/main' into L70-17865

Merge remote-tracking branch 'origin/main' into L70-17865

fix(codex): simplify account reasoning fallback coverage

Merge remote-tracking branch 'origin/main' into fix/codex-account-reasoning-controls

fix(codex): preserve account catalog reasoning defaults

fix(codex): restore reasoning controls for ChatGPT account models