* Update LLM providers and constants
- Updated constants in app/lib/.server/llm/constants.ts
- Modified stream-text functionality in app/lib/.server/llm/stream-text.ts
- Updated Anthropic provider in app/lib/modules/llm/providers/anthropic.ts
- Modified GitHub provider in app/lib/modules/llm/providers/github.ts
- Updated Google provider in app/lib/modules/llm/providers/google.ts
- Modified OpenAI provider in app/lib/modules/llm/providers/openai.ts
- Updated LLM types in app/lib/modules/llm/types.ts
- Modified API route in app/routes/api.llmcall.ts
* Fix maxCompletionTokens Implementation for All Providers
- Cohere: Added maxCompletionTokens: 4000 to all 10 static models
- DeepSeek: Added maxCompletionTokens: 8192 to all 3 static models
- Groq: Added maxCompletionTokens: 8192 to both static models
- Mistral: Added maxCompletionTokens: 8192 to all 9 static models
- Together: Added maxCompletionTokens: 8192 to both static models
- Groq: Fixed getDynamicModels to include maxCompletionTokens: 8192
- Together: Fixed getDynamicModels to include maxCompletionTokens: 8192
- OpenAI: Fixed getDynamicModels with proper logic for reasoning models (o1: 16384, o1-mini: 8192) and standard models
