update system

modules/nixos/shell/firefox-pip.nix

@@ -36,6 +36,23 @@ in
             "move ${pipPadding} ${pipPadding},${firefoxPipInitial}"
           ];
       };
+      programs.niri.settings.window-rules = [
+        {
+          matches = [
+            {
+              app-id = "firefox";
+              title = "Picture-in-Picture";
+            }
+          ];
+          open-focused = false;
+          open-floating = true;
+          default-floating-position = {
+            x = homeConfig.theme.md3-evo.padding;
+            y = homeConfig.theme.md3-evo.padding;
+            relative-to = "top-left";
+          };
+        }
+      ];
     };
   };
 }