flake.nix: add nix-flatpak

tsuki: enable nix-flatpak

flake.lock

@@ -1596,6 +1596,21 @@
         "type": "github"
       }
     },
+    "nix-flatpak": {
+      "locked": {
+        "lastModified": 1739444422,
+        "narHash": "sha256-iAVVHi7X3kWORftY+LVbRiStRnQEob2TULWyjMS6dWg=",
+        "owner": "gmodena",
+        "repo": "nix-flatpak",
+        "rev": "5e54c3ca05a7c7d968ae1ddeabe01d2a9bc1e177",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gmodena",
+        "repo": "nix-flatpak",
+        "type": "github"
+      }
+    },
     "nix-gaming": {
       "inputs": {
         "flake-parts": "flake-parts_3",
@@ -2130,6 +2145,7 @@
         "hyprutils": "hyprutils_2",
         "hyprwayland-scanner": "hyprwayland-scanner_7",
         "manga-tui": "manga-tui",
+        "nix-flatpak": "nix-flatpak",
         "nix-gaming": "nix-gaming",
         "nix-topology": "nix-topology",
         "nixos-hardware": "nixos-hardware",

flake.nix

@@ -121,5 +121,6 @@
     prismlauncher.url = "github:PrismLauncher/PrismLauncher";
     manga-tui.url = "github:josueBarretogit/manga-tui";
     spicetify-nix.url = "github:Gerg-L/spicetify-nix";
+    nix-flatpak.url = "github:gmodena/nix-flatpak";
   };
 }

hosts/tsuki/default.nix

@@ -23,6 +23,13 @@
   services = {
     pulseaudio.enable = false;
     pcscd.enable = true;
+    flatpak = {
+      enable = true;
+      packages = [
+        "io.github.Soundux"
+        "com.github.tchx84.Flatseal"
+      ];
+    };
     avahi = {
       enable = true;
       nssmdns4 = true;