New v2_get_system_info command and matching UI section in the
System Diagnostics panel. What it reports:
- os (linux/macos/windows)
- arch (x86_64, aarch64)
- kernel_version from /proc/sys/kernel/osrelease
- Linux distro: id, version_id, pretty_name from /etc/os-release
(falls back to /run/host/os-release so it works inside Flatpak)
- install_method: flatpak / snap / appimage / dev / native, detected
via FLATPAK_ID + /.flatpak-info, SNAP, APPIMAGE env vars, and
debug_assertions as the last fallback
- flatpak_runtime + version: parsed from /.flatpak-info
- loaded library versions (from /proc/self/maps, symlink-resolved):
webkit2gtk-4.1, gtk-3 (or 4), glibc, alsa, pipewire, pulseaudio
All info is derived from local files/env; no sensitive data, no IDs,
no hashes. Included in the clipboard export.
cc