added support for claude 4

[lizziescoder]

why

what changed

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Latest commit: cee5427

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[greptile-apps]

PR Summary

Added support for Claude 4 (claude-sonnet-4-20250514) model in the agent provider system.

• Added new model mapping in lib/agent/AgentProvider.ts to support Claude 4 with Anthropic provider type

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[greptile-apps]

PR Summary

Expanded Claude 4 integration across the codebase with model identifier 'claude-sonnet-4-20250514'.

• Added new model to types/model.ts AvailableModelSchema enum for type safety
• Mapped Claude 4 model to 'anthropic' provider in lib/llm/LLMProvider.ts modelToProviderMap
• Needs documentation about Claude 4's capabilities and compatibility in the implementation

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[greptile-apps]

style: The model ID format 'claude-sonnet-4-20250514' deviates from previous Claude models like 'claude-3-7-sonnet-20250219'. Consider aligning the naming convention for consistency