8e21f4b41d
Deferred MCP discovery wrote 'Connecting to MCP servers: …' straight to process.stderr while the TUI owned the terminal, overdrawing the chat input box border. onMCPConnecting now emits McpConnectingEvent on the mcp:connecting channel; InteractiveMode subscribes and renders it via showStatus (status container), mirroring the LSP-startup pattern. New mcp/startup-events.ts holds the channel, type, and formatMCPConnectingMessage.