refactor: improve logging and context handling across providers}
* Update package.json version bump * Enhance MCP integration with better request/response handling in mcp.mjs * Refactor orchestrator.mjs with improved state management and provider coordination * Add new log-context.mjs provider module for unified logging across providers * Update Anthropic provider with enhanced context tracking and error handling * Update OpenAI provider with improved logging and context management * Update documentation in README.md and change-log.md to reflect new features