chore: remove deprecated Mistral presets

[c121914yu]

Summary

• Remove 18 MistralAI presets that the official Mistral model overview lists in the legacy/deprecated table.
• Keep current Mistral Large 3, Small 4, Medium 3.5, Ministral 3, and existing latest aliases where no explicit removal evidence was found.
• MistralAI inventory now has 10 llm presets.

Evidence

• Official Mistral model overview: https://docs.mistral.ai/models/overview
• Source hint check was run for registered providers; Doubao timed out, SparkDesk is access-limited, and Moka/Other have no source hints.

Validation

• PASS: node .codex/skills/model-provider-updater/scripts/model_provider_presets.mjs apply-plan --plan /tmp/mistral-provider-plan-20260713.json --dry-run
• PASS: node .codex/skills/model-provider-updater/scripts/model_provider_presets.mjs inventory --provider MistralAI
• PASS: pnpm exec eslint packages/infrastructure/src/static-data/models/provider/MistralAI/index.ts
• PASS: pnpm exec tsx import assertion for MistralAI provider/count
• PASS: git diff --check
• FAIL, existing main issue: bun run test fails in sdk/factory/src/tool-factory.test.ts:329 because installed zod v3 lacks .meta(); 38 files passed, 1 failed.
• FAIL, existing main issue: bun tsc --noEmit fails in sdk/factory zod metadata/toJSONSchema errors and the existing PluginChannelStreamSource/StreamData mismatch.

[Copilot]

Pull request overview

This PR updates the static model inventory for the MistralAI provider by removing presets that are listed as legacy/deprecated in Mistral’s official model overview, leaving a smaller, current set of supported presets.

Changes:

• Removed 18 deprecated/legacy MistralAI LLM presets from the provider’s static inventory.
• Retained current “latest” aliases and the currently-supported model families (Large/Small/Medium/Ministral) reflected in the remaining 10 presets.

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