Fixed
- Codex dispatch accepts
OCTOPUS_CODEX_REASONING=ultraand the shared
OCTOPUS_REASONING_LEVEL=ultrasetting instead of failing with
Unknown agent type: codex. Claude seats mapultratomax, and
OpenAI-compatible seats map it tohigh.
Resolves #1200
via #1201,
commit04b24c6eec77a88e39d2f8d5c2a8cd51aade7b78.