Ahmed Ibrahim
e614fad02e
## Summary - add optional `comp_hash` metadata to `ModelInfo` - update `ModelInfo` fixtures for the shared schema change - keep older model responses compatible by defaulting the field to `None` ## Why The models endpoint needs an opaque identifier for compaction-compatible model configurations. This PR only exposes that value in model metadata; it does not add it to turn context or change runtime behavior. Follow-up #27520 carries the value through turn context and rollouts, then uses it to trigger compaction. ## Stack - based directly on `main` - replaces #27519, which was accidentally merged into the wrong base branch - functionality follow-up: #27520 ## Testing - `just test -p codex-protocol model_info_defaults_availability_nux_to_none_when_omitted` - `just fix -p codex-core -p codex-protocol -p codex-analytics -p codex-models-manager`
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