v0.1.3

Added

• Version Update Checking: Automatic version checking against GitHub releases with configurable intervals (default 12 hours) and startup checks
• MCP Server Integration: Added Model Context Protocol (MCP) server functionality with permission checking tools for Claude Code integration
• Permission System: Implemented comprehensive permission management with REST API endpoints and Server-Sent Events (SSE) streaming for real-time permission requests
• Request/Response Logging: Added comprehensive logging middleware with configurable verbosity levels (CCPROXY_VERBOSE_API, CCPROXY_REQUEST_LOG_DIR)
• Claude SDK Custom Content Blocks: Added support for system_message, tool_use_sdk, and tool_result_sdk content blocks with full metadata preservation
• Model Mapping Utilities: Centralized model provider abstraction with unified mapping logic in ccproxy/utils/models_provider.py
• Terminal Permission Handler: Interactive permission workflow handler for CLI-based permission management
• Claude SDK Field Rendering: Added flexible content handling with forward, formatted, and ignore rendering options for Claude SDK fields

Changed

• Claude SDK Integration: Refactored to use native ThinkingBlock models from Claude Code SDK
• Models Endpoint: Centralized /v1/models endpoint implementation to eliminate code duplication across routes
• OpenAI Adapter: Enhanced with improved modularization and streaming architecture
• Logging System: Migrated to canonical structlog pattern for structured, consistent logging
• SSE Streaming: Improved Server-Sent Events format with comprehensive examples and better error handling

Fixed

• SDK Double Content: Resolved duplicate content issue in Claude SDK message processing
• Error Handling: Enhanced error handling throughout Claude SDK message processing pipeline
• Type Safety: Improved type checking across permission system components
• Permission Handler: Fixed lazy initialization issues in terminal permission handler