- SftpEntry carries uid/gid/mode (drwxr-xr-x style) from readdir attrs - chmod/chown via SSH exec (JD sftp subsystem silently ignores SETSTAT) - FilePanel: permission + owner columns, chmod/chown dialog (rwx grid + octal input + uid/gid) - MonitorPanel: canvas sparkline charts — CPU history (60 samples, 3min) and network rx/tx rates, dpr-aware, no deps - tests: sftp-chmod real-server verification (chmod 700/755 round trip)
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