Expand module docs for chutoro-bench-datasets/src/newtypes/keys.rs

[coderabbitai]

Summary

`chutoro-bench-datasets/src/newtypes/keys.rs` still documents only path-backed key newtypes, but the module now also hosts checksum, digest, phase, port, and partial-state types.

Required changes

Expand the module-level documentation to cover the recipe lifecycle contract types (`Phase`, `PortName`, `PartialState`) and the checksum/digest helpers (`Checksum`, `ManifestDigest`), or split them into a separately, properly documented module.

Affected areas

• `chutoro-bench-datasets/src/newtypes/keys.rs`
• `chutoro-bench-datasets/src/newtypes/mod.rs`

Acceptance criteria

• Module doc accurately reflects all public types hosted in the file.

References

• PR: $pr_url
• Requested by: @$assignee

[coderabbitai]

🔗 Related PRs

leynos/axinite#170 - Type tool schema helper arguments (#38) [closed]
leynos/repovec-appliance#26 - Configure Qdrant API-key authentication (1.2.2) [closed]
leynos/podbot#100 - Add cargo audit dependency gate [closed]
#130 - Refresh repository documentation guidance [merged]
#132 - chutoro-bench-datasets and DatasetRecipe trait (10.1.1) [merged]

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