Route model to engine via native CLI environment variables#17296

Merged

pelikhan merged 6 commits intomainfrom

copilot/add-model-env-var

Feb 20, 2026

Commits on Feb 20, 2026

Initial plan
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feat: provide model to engine as env var when expression syntax is used (#issue)

Copilot
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pelikhan
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fix: use COPILOT_MODEL native env var for expression-based model in Copilot engine

Copilot
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pelikhan
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feat: add ModelEnvVarProvider interface and use native CLI model env vars for Copilot, Claude, and Gemini

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pelikhan
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Merge remote-tracking branch 'origin/main' into copilot/add-model-env-var
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chore: merge main and recompile workflows

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pelikhan
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