Module decoder 

Input decoder for terminal character sequences.

State machine for ANSI escape sequences (arrow keys) and double-ESC clear. Pure decoder: converts raw chars to logical events, no buffer or I/O management.

Structs

InputDecoder

Terminal input decoder with escape sequence state machine. Converts raw terminal chars to logical input events without managing buffers or I/O.

Enums

InputEvent

Logical input event from terminal.

InputState

Decoder state for escape sequence handling.