- Fixed terminal viewport sizing to prevent characters from being clipped at the right edge. - Corrected PTY initialization and resize handling for stable line wrapping and cursor positioning. - Restored the initial shell prompt without requiring the user to press Enter. - Added UTF-8-safe terminal input for Cyrillic and other non-Latin characters. - Improved clear handling to fully clear the viewport and terminal scrollback. - Configured Docker exec sessions with TERM=xterm-256color. - Isolated Docker container console sessions per authenticated Gateway user. - Isolated node console sessions per authenticated Gateway user. - Preserved session reuse for the same user while separating input, output, history, and resize events between users. - Prevented stale session cleanup from removing newer replacement sessions.