MCP Claude Code Files

Added

• Persistent Shell Session Support (32769b5)
• New BashSession class for managing persistent shell environments with tmux
• SessionManager and SessionStorage for comprehensive session lifecycle management
• Session-based execution mode with environment persistence and working directory tracking
• Support for interactive commands with is_input and blocking parameters
• Command history tracking and session isolation
• Resource Management and Cleanup (4c4a59d)
• Background cleanup thread for periodic session expiration checks every 2 minutes
• Signal handlers for graceful shutdown (SIGTERM, SIGINT)
• Atexit handler for cleanup during normal termination
• Reduced default session TTL from 30 to 5 minutes for aggressive cleanup
• Session storage metrics and logging for cleanup operations
• Enhanced Cross-Platform Support (184c2f7)
• New CommandExecutor class for Windows-compatible shell command execution
• Automatic platform detection with tmux availability checking
• Support for multiple shell types (cmd, powershell, wsl) on Windows
• Platform-specific command formatting and execution logic
• Project System Prompt Enhancements (363f06f)
• Factory function create_project_system_prompt for generating project-specific prompts
• Manual project system prompt registration for on-demand access
• Improved code organization and flexibility in prompt generation

Changed

• BREAKING CHANGE: Shell Execution Architecture (bf3233a)
• Replaced CommandExecutor with BashSessionExecutor for all shell operations
• All shell tools now use persistent sessions by default
• Updated run_command tool interface with new session parameters
• CommandResult now includes additional execution metadata
• BREAKING CHANGE: Tool Parameter Handling (bc52019)
• Migrated all tool parameters to TypedDict and Unpack for improved type safety
• Consolidated parameter type definitions at module level
• Enhanced IDE support and runtime type checking
• Removed redundant parameter validation in favor of Pydantic handling
• Session ID Handling Improvements (4263df1, 154a817)
• Changed default session_id from None to empty string for consistency
• Simplified session_id validation logic
• Removed PROMPT_TEST echo command from session initialization
• More predictable session handling behavior

Removed

• Metadata System Simplification (2cae74e)
• Removed complex PS1 metadata system for command tracking
• Eliminated CmdOutputMetadata class and PS1 prompt generation/parsing
• Simplified CommandResult class to focus on core output
• Improved reliability across different shell environments
• DocumentContext Removal (db23971)
• Removed DocumentContext class and all related functionality
• Simplified codebase by removing redundant path tracking
• Permission management now handled solely by PermissionManager
• Legacy Command Executor (bf3233a)
• Removed old CommandExecutor in favor of unified BashSessionExecutor
• Consolidated shell execution logic into session-based approach

Enhanced

• Command Output Isolation (46c6c42)
• Prevented command output accumulation in persistent sessions
• Added automatic screen clearing and history management
• Ensured clean execution context for sequential commands
• Platform-Specific Tool Registration (184c2f7)
• Automatic selection of appropriate run_command implementation
• Seamless fallback between tmux-based and Windows-compatible execution
• Maintained consistent tool interface across platforms

Refactoring

• Improved Shell Execution Mode (f862a6f)
• Added subprocess execution mode to BashSessionExecutor
• Enhanced flexibility in execution strategy selection
• Code Quality and Type Safety (bc52019)
• Comprehensive migration to modern Python type annotations
• Improved developer experience with better IDE support
• Reduced boilerplate validation code