Files
codex/codex-rs
rhan-oai 09ccae2c07 Honor personality = "none" in model instructions (#32277)
## Why

Model catalog instructions can include a baked-in `# Personality` section. An
explicit `none` setting should omit that section instead of sending it as part
of the model's base instructions.

## What changed

- Pass the configured personality into the models manager.
- When personality support is enabled and the setting is explicitly `none`,
  remove the `# Personality` section through the next level-one heading from
  catalog base instructions and instruction templates.
- Preserve explicit `base_instructions` overrides and avoid warning when no
  personality was requested.

## Testing

Added unit and integration coverage for section removal, heading boundaries,
CRLF input, preserved configurations, and explicit base instructions.

GitOrigin-RevId: 452c88d3ac6001c2ac7d4fef269cd75dc239fa61
2026-07-10 21:39:56 +00:00
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