Hypr: per-device tweaks and portal screencopy

.config/hypr/conf.d/10-appearance.conf##hostname.cn-arch

@@ -135,10 +135,16 @@ misc {
   key_press_enables_dpms = true
 }
 
+ecosystem {
+  enforce_permissions = true
+}
+
 xwayland {
   force_zero_scaling = true
 }
 
 render {
   send_content_type = true
+  cm_auto_hdr = 1
+  cm_fs_passthrough = 2
 }