Disable Grok Code Fast 1 Optimized free model

[kiloconnect]

Disables the Grok Code Fast 1 Optimized free model by setting is_enabled: false in the model configuration.

Changes

• Set is_enabled: false for grok_code_fast_1_optimized_free_model in src/lib/providers/xai.ts
• Removed the model entry from the approved test snapshot (src/tests/openrouter-models-sorting.approved.json)

With is_enabled: false:

• The model is no longer injected into the OpenRouter models list
• The preferredModels array falls back to 'x-ai/grok-code-fast-1' (the non-free variant)
• isFreeModel(), isRateLimitedModel(), and isDataCollectionRequiredOnKiloCodeOnly() all skip disabled models

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Built for Christiaan by Kilo for Slack

[kiloconnect]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Simple, clean change that disables the Grok Code Fast 1 Optimized free model by setting is_enabled: false and removes the corresponding entry from the test snapshot. The PR description accurately describes the downstream effects.

Files Reviewed (2 files)

• src/lib/providers/xai.ts - is_enabled toggled from true to false
• src/tests/openrouter-models-sorting.approved.json - removed disabled model from snapshot