feat(provider): add GitHub Copilot auto model selection#20136

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fastdrumr wants to merge 12 commits intoanomalyco:devfrom

fastdrumr:feat/copilot-auto-model-selection

Commits on Mar 31, 2026

feat(provider): add GitHub Copilot auto model selection

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fix: switch to client-side auto model routing

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fix: remove interleaved from auto model capabilities

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fix: align auto model definition with SDK Model type

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feat: show resolved model ID in TUI when using auto selection

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feat(provider): add GitHub Copilot auto model selection

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fix: prefer non-codex models in auto selection tiers

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fix: use preference-based model ranking in auto selection

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fix: retry with fallback when auto-selected model is unavailable

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fix: classify models by Copilot credit tier

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test: add unit tests for copilot auto model selection

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feat: add OPENCODE_AUTO_DRY_RUN mode for testing without API calls

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