hyprland: add hypridle and hyprlock integration

dotfiles/config/hypr/hypridle.conf

@@ -0,0 +1,16 @@
+general {
+    lock_cmd = pidof hyprlock || hyprlock
+    before_sleep_cmd = loginctl lock-session
+    after_sleep_cmd = hyprctl dispatch dpms on
+}
+
+listener {
+    timeout = 600
+    on-timeout = loginctl lock-session
+}
+
+listener {
+    timeout = 900
+    on-timeout = hyprctl dispatch dpms off
+    on-resume = hyprctl dispatch dpms on
+}

dotfiles/config/hypr/hyprland.conf

@@ -552,6 +552,7 @@ exec-once = systemctl --user start graphical-session.target
 exec-once = systemctl --user start hyprland-session.target
 # Force a fresh daemon after compositor restarts so hyprscratch doesn't keep a stale socket.
 exec-once = systemctl --user restart hyprscratch.service
+exec-once = hypridle
 exec-once = ~/.config/hypr/scripts/workspace-history.sh
 
 # Clipboard history daemon

dotfiles/config/hypr/hyprlock.conf

@@ -0,0 +1,39 @@
+background {
+    monitor =
+    path = screenshot
+    blur_passes = 3
+    blur_size = 8
+    noise = 0.0117
+    contrast = 0.8916
+    brightness = 0.8172
+    vibrancy = 0.1696
+}
+
+input-field {
+    monitor =
+    size = 280, 56
+    outline_thickness = 3
+    dots_size = 0.2
+    dots_spacing = 0.2
+    outer_color = rgb(edb443)
+    inner_color = rgb(1e1e2e)
+    font_color = rgb(cdd6f4)
+    fade_on_empty = false
+    rounding = 12
+    placeholder_text = <i>Password...</i>
+    hide_input = false
+    position = 0, -80
+    halign = center
+    valign = center
+}
+
+label {
+    monitor =
+    text = cmd[update:1000] echo "$(date +'%a %b %-d  %I:%M %p')"
+    color = rgb(cdd6f4)
+    font_size = 40
+    font_family = Noto Sans
+    position = 0, 80
+    halign = center
+    valign = center
+}

nixos/hyprland.nix

@@ -11,6 +11,9 @@ in
 makeEnable config "myModules.hyprland" true {
   myModules.taffybar.enable = true;
 
+  # Needed for hyprlock authentication without PAM fallback warnings.
+  security.pam.services.hyprlock = {};
+
   programs.hyprland = {
     enable = true;
     # Use Hyprland from the flake for proper plugin compatibility