Context ยท Lesson 2
Make Context Windows Visible
You can inspect context capacity before picking a model for orchestrator, executor, or validator.
Simple layer
The custom catalog now shows context windows: Claude, Kimi, Qwen, GLM, and GPT proxy models at 272k, Grok direct at 256k, local placeholders at 128k.
Technical layer
`~/.codex/custom-model-catalog.json` was updated to 48 models. Profiles set both `model_context_window` and `model_auto_compact_token_limit`, so context policy is visible at launch time and in the registry.
Real command
codex debug models | rg 'claude-opus-4-8|kimi-k2.6|qwen3.7-max|grok-4.3|gpt-oss:20b'
Practice with feedback
Where does Codex read the custom context metadata from?
Local proof
SCOPE.md LOOP-LOG.md ~/.codex/provider-registry.json ~/.codex/provider-*.config.toml