Prepare for --via-nix fallback to swaylock

dots-extra/vianix/README.md

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+This folder contains tweakd configs when --via-nix is specified.

dots-extra/vianix/hypridle.conf

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+$lock_cmd = swaylock
+# $lock_cmd = pidof hyprlock || hyprlock
+$suspend_cmd = systemctl suspend || loginctl suspend
+
+general {
+    lock_cmd = $lock_cmd
+    before_sleep_cmd = loginctl lock-session
+    after_sleep_cmd = hyprctl dispatch global quickshell:lockFocus
+    inhibit_sleep = 3
+}
+
+listener {
+    timeout = 300 # 5mins
+    on-timeout = loginctl lock-session
+}
+
+listener {
+    timeout = 600 # 10mins
+    on-timeout = hyprctl dispatch dpms off
+    on-resume = hyprctl dispatch dpms on
+}
+
+listener {
+    timeout = 900 # 15mins
+    on-timeout = $suspend_cmd
+}