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feat: Migrate to Vercel AI SDK for unified multi-provider support #182

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feat: Migrate to Vercel AI SDK for unified multi-provider support #182

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maxschulmeister
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This PR implements a major architectural improvement by migrating from provider-specific SDKs to the Vercel AI SDK, providing a unified interface for all supported AI providers while significantly improving developer experience.

  • Unified Model Interface: Replaced all separate provider-specific model implementations.
  • Simplified API: Streamlined model configuration - users can now specify models by string name (e.g., "gpt-4o") instead of enum values (ModelOptions.OPENAI_GPT_4O)
  • Consistent Error Handling: Centralized error handling across all providers with better context and logging
  • Easier Provider Addition: New providers can be added by simply installing the corresponding AI SDK package
  • Added support for OpenRouter
  • Consistent Parameter Handling: Unified LLM parameters across all providers (temperature, maxTokens, etc.)
  • Better Type Safety: Improved TypeScript types with proper AI SDK integration
  • Enhanced Test Suite: Added files flag to run tests on a limited number of files for faster development iteration and more cost efficiency

I hope you like my propoal, keep up the good work! 🚀

@maxschulmeister maxschulmeister marked this pull request as draft May 29, 2025 21:58
@maxschulmeister
enable custom providers through opts
0a8821d 
– validate credentials only for built in providers
– modelProvider now accepts enum or an ai-sdk provider
– update README
@maxschulmeister maxschulmeister marked this pull request as ready for review May 30, 2025 08:23
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