Files
Josh McKinney 03aee7140f Add features enable/disable subcommands (#10180)
## Summary
- add `codex features enable <feature>` and `codex features disable
<feature>`
- persist feature flag changes to `config.toml` (respecting profile)
- print the under-development feature warning when enabling prerelease
features
- keep `features list` behavior unchanged and add unit/integration tests

## Testing
- cargo test -p codex-cli
2026-01-29 20:35:03 +00:00
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