UART serial port MCP server

Key features

• Provides 14 uart_ tools, supporting multiple serial ports, runtime reconfiguration, read-after-write and timing according to output pattern
• ser2mcp-usagecomplete parameters, selection, encoding, completion determination, buffering and fault handling of the serial port interactive tool
• The background continues to read serial port data, uses a bounded ring buffer to save unread content, and reports overflow_delta / overflow_total
• Supports hex, UTF-8 text and text-escaped only for the return side, adapts to binary protocols and terminal logs
• Stream local files via uart_send_file once, supporting continuous base64, progress query, estimation and cancellation