hypridle: one daemon, not two; battery dropdown pins to bottom

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

settings/hyprland.nix

@@ -337,7 +337,10 @@ in
               -- keeps its history/cwd between peeks.
               hl.exec_cmd(scratchpads["dev.fred.scratchpad"])
               -- swayosd removed; volume/brightness OSD handled by quickshell
-              ${lib.optionalString isMacbook ''hl.exec_cmd("hypridle")''}
+              -- No hypridle here: services.hypridle already runs it as a user
+              -- unit off hyprland-session.target. Launching it a second time
+              -- left two daemons racing, and the shell's caffeine toggle
+              -- (systemctl --user stop hypridle) only silenced one of them.
             end)
 
             -- Animation curve and definitions