feat: Cage greeter path + Hyprland deprecation (draft)#78
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Add cage as the recommended greetd backend (lite mode: Kitty-only, no gSlapper wallpapers at startup). Hyprland greeter support remains functional but is marked deprecated with ~3 month removal timeline. Includes design spec, implementation plan, installer/Nix/postinstall integration, docs, launcher script, and verify script. Addresses #69.
This was referenced Jun 17, 2026
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Summary
Investigation and draft implementation for #69: add Cage as the recommended greetd backend and begin phasing out Hyprland for the greeter session.
Hyprland is NOT removed in this PR — it remains functional but is marked deprecated with a ~3 month removal timeline.
What changed
cage -s -m extend -- /etc/greetd/cage-greeter-session.sh→ Kitty → sysc-greetcompositor = "cage"+cagePackageoptiondocs-src/compositors/cage.md, Hyprland deprecation banner, README/installation updatesdocs/superpowers/specs/2026-06-18-cage-compositor-design.mddocs/superpowers/plans/2026-06-18-cage-compositor-plan.mdscripts/verify-cage-greeter.shCage Lite trade-off
Cage is single-client — no gSlapper boot wallpapers. TUI background effects + themes still work.
Cagebreak (Phase 2 — not this PR)
Tiling fork may restore wallpaper parity if wlr-layer-shell works. Spike tracked in plan.
Manual test checklist
SYSC_COMPOSITOR=cage sudo ./install.shsudo systemctl restart greetd(from TTY)XKB_DEFAULT_LAYOUTin launcher scriptFiles for review
scripts/cage-greeter-session.shcmd/installer/main.goflake.nixnfpm.yaml,scripts/postinstall.shdocs-src/compositors/cage.md,hyprland.md,installation.mdMade with Cursor