Phase B — Tamagosh-inspired dual-pane file browser:
- Left pane: local filesystem (starts at /Users/swanadiva)
- Right pane: remote filesystem via SFTP
- Tab key switches active pane (green border = active)
- Local CWD indicator per pane
- File listing with dir/ file size display
- Filter mode with / key
- Copy files: C key copies from active pane to opposite pane
- Delete (D), mkdir (N on remote), Refresh (R)
- Esc to close
- File size formatting (B/KiB/MiB/GiB)
- Progress message during transfers
- StylePaneActive (green border) / StylePaneInactive (muted border)
Phase A — Tamagosh-inspired redesign:
- Replace goroutine-based SSH (crypto/ssh) with tea.ExecProcess + native ssh binary
- Zero-lag SSH: native binary pegang TTY langsung, ga ada Go buffering
- Password auth via sshpass -e (SSHPASS env)
- Key auth via ssh -i <tmpfile> + SSH_ASKPASS for passphrase
- ControlMaster sockets for fast reconnect
- Add askpass subcommand for SSH_ASKPASS support
- Gruvbox Material Dark Hard palette for comfortable viewing
- Clean up old session messages (openSessionMsg, sessionOutputMsg, sessionDoneMsg)
- Remove 354-line session.go, replace with 150-line ssh.go
swanadiva