v0.1.2 Release

Release Highlights

This release upgrades EvoAgentX core LLM provider support and improves structured output handling.

LLM Provider Updates

• Updated OpenAILLM and OpenRouterLLM to support sync/async generation, streaming usage tracking, and tool-call output formatting.
• Refactored AliyunLLM and SiliconFlowLLM to use OpenAI-compatible clients.
• Improved LiteLLM compatibility with OpenAI-style response and cost handling.
• Added streaming cost tracking via usage chunks where providers support it.
• Added fallback behavior for providers that do not return cost data.

Output Parsing and Schema Handling

• Added optional JSON schema auto-fix behavior in LLMOutputParser.
• Added stricter Parameter validation for JSON schema-backed object and array parameters.
• Simplified JSON/data parsing utilities and removed unsafe eval usage in typed parsing.