System tray in skydeskbar (Phase 1 #4):
- Claims _NET_SYSTEM_TRAY_S<screen> selection on startup and
broadcasts MANAGER so nm-applet and other tray clients connect
- Handles _NET_SYSTEM_TRAY_OPCODE dock requests: XReparentWindow
icon into the deskbar, sends XEMBED_EMBEDDED_NOTIFY
- Tray section is zero-height when empty; expands to DB_TRAY_H=26px
when first icon embeds, shrinking back when last icon exits
- DestroyNotify / ReparentNotify clean up the icon list and
reposition remaining icons; SelectionClear hands off gracefully
- Icon positions are updated (db_tray_reposition) whenever the app
list changes and shifts the tray section vertically
Plymouth boot splash (Phase 2 #10):
- 'skyos' script-module theme: dark navy (#111520) background,
"SkyOS" logo in accent blue (#90BBEE), thin progress bar
- 1×1 pixel bar_bg.png / bar_fg.png scaled at runtime by the
Plymouth script — no large PNGs committed to the repo
- logo.png generated at build time by ImageMagick (same tool used
for the wallpaper); build continues if ImageMagick is absent
- mkinitcpio HOOKS: added 'plymouth' after 'udev'
- Kernel cmdline: added 'splash' for UEFI systemd-boot entry
- customize_airootfs.sh: plymouth-set-default-theme skyos
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
nmemmertandClaude Sonnet 4.6
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