Jack Cowey 58264c80dd feat: add configurable context length to model metadata ...

- Add contextLength field to RegistryModel interface for per-model overrides
- Add defaultContextLength to RegistryEntry for provider-level defaults
- Set context lengths for major providers:
  - Claude: 200k
  - Codex: 400k (fixes combo context display)
  - Gemini: 1M
  - OpenAI: 128k
  - GitHub Copilot: 128k
  - Kiro/Cursor: 200k
  - OpenCode: 200k
- Include context_length in /v1/models API response
- Add context_length field to combo schema for custom combo context
- Update contextManager to use registry defaults and support env overrides
  - CONTEXT_LENGTH_<PROVIDER> for per-provider override
  - CONTEXT_LENGTH_DEFAULT for global override

This allows clients like OpenClaw to display accurate context windows
for combo models instead of guessing based on model name patterns.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-24 12:29:34 +00:00

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