4f7d6b4ef7
## Why
The old config-profile mechanism should no longer influence runtime
behavior now that profile selection has moved to file-based `--profile`
config files. Core already rejects a selected legacy `profile = "..."`
with a migration error in
[`core/src/config/mod.rs`](d6451fcb79/codex-rs/core/src/config/mod.rs (L2521-L2529)),
but a few residual consumers still read legacy `[profiles.*]` data while
performing managed-feature checks and personality migration.
That kept dead legacy profile state relevant after selection had been
removed, and could make personality migration depend on a stale or
missing old profile.
## What changed
- Stop scanning legacy `[profiles.*]` feature settings when validating
managed feature requirements.
- Make personality migration consider only top-level `personality` and
`model_provider` settings.
- Remove the now-unused `ConfigToml::get_config_profile` helper.
- Update personality migration coverage to verify that legacy profile
personality fields and missing legacy profile names no longer affect
that migration path.
This keeps the legacy `profile` / `profiles` config shape available for
the remaining compatibility and migration diagnostics; it only removes
these behavior consumers.
## Verification
- Updated `core/tests/suite/personality_migration.rs` for the new
legacy-profile behavior.
- Focused test command: `cargo test -p codex-core
personality_migration`.
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This repository is licensed under the Apache-2.0 License.