update flakes; use swww for backdrop; add gemini-cli

home/programs/desktop/niri/default.nix

@@ -2,6 +2,7 @@
   config,
   pkgs,
   user,
+  lib,
   ...
 }:
 {
@@ -103,6 +104,10 @@
             }
           ];
         layer-rules = [
+          {
+            matches = [ { namespace = "swww-daemonbackdrop"; } ];
+            place-within-backdrop = true;
+          }
           {
             matches = [ { namespace = "launcher"; } ];
             geometry-corner-radius = {
@@ -139,6 +144,10 @@
             name = "music";
           };
         };
+        xwayland-satellite = {
+          enable = true;
+          path = lib.getExe pkgs.xwayland-satellite;
+        };
         overview = {
           zoom = 0.36;
           backdrop-color = base02;