Put steam rom manager data in the persist folder.

nix/steam_deck/configuration/flake.nix

@@ -1,3 +1,4 @@
+# MANUAL: echo 80 | sudo tee /sys/class/hwmon/hwmon3/max_battery_charge_level
 {
   description = "My system configuration";
 

nix/steam_deck/configuration/roles/pcsx2/files/PCSX2.ini

@@ -28,7 +28,7 @@ VsyncEnable = true
 ScreenshotSize = 1
 # webp
 ScreenshotFormat = 2
-OsdShowFPS = true
+OsdShowFPS = false
 # Capture video at internal resolution
 VideoCaptureAutoResolution = true
 # 2x native resolution

nix/steam_deck/configuration/roles/steam_rom_manager/default.nix

@@ -1,3 +1,4 @@
+# MANUAL: mkdir -p ~/.persist/.config/steam-rom-manager/userData
 {
   stdenv,
   config,
@@ -27,6 +28,25 @@ in
         home.packages = with pkgs; [
           package
         ];
+
+        home.persistence."/home/deck/.persist" = {
+          directories = [
+            {
+              directory = ".config/steam-rom-manager/userData";
+              method = "symlink";
+            }
+          ];
+        };
+
+        # TODO: Install a fully configured /home/deck/.persist/.config/steam-rom-manager/userData/userConfigurations.json (which contains the parser definitions) and /home/deck/.persist/.config/steam-rom-manager/userData/userSettings.json (which contains the applications settings like steam directory).
+        # TODO: Maybe only persist /home/deck/.persist/.config/steam-rom-manager/userData/artworkBackups and /home/deck/.persist/.config/steam-rom-manager/userData/artworkCache.json after the parser config is being installed.
+
+        # home.persistence."/home/deck/.state" = {
+        #   files = [
+        #     ".config/steam-rom-manager/userData/configPresets.json"
+        #   ];
+        # };
+
       })
     ]
   );