Release v1.3.0

Added

• New shutdown-delay CLI option to control delay before server shutdown when no clients are connected
• Enhanced logging messages with improved clarity and context across all components
• More descriptive server status messages and operation feedback
• Integration example with ravitemer/mcphub.nvim Neovim plugin

Changed

• Simplified signal handler setup for more reliable graceful shutdown
• Improved logging message clarity and contextual information
• Reorganized server shutdown logic for better reliability