fix(nixos): avoid blocking guest startup on steamcmd

configs/nixos/modules/services/steamcmd.nix

@@ -65,6 +65,13 @@
       default = [ ];
       description = "TCP ports opened for the game service.";
     };
+
+    startupTimeout = lib.mkOption {
+      type = lib.types.str;
+      default = "15min";
+      example = "30min";
+      description = "Time systemd allows SteamCMD update and server startup to complete.";
+    };
   };
 
   config = lib.mkMerge [
@@ -138,12 +145,14 @@
               WorkingDirectory = "-${service.steamDir}";
               ExecStartPre = "+${prepareScript}";
               ExecStart = updateScript;
+              TimeoutStartSec = service.startupTimeout;
             };
           };
 
           ${service.serviceName} = {
             description = "${service.serviceName} game server";
             after = [
+              "multi-user.target"
               "network-online.target"
               "steamcmd-${service.serviceName}-update.service"
             ];
@@ -160,6 +169,7 @@
               ];
               ExecStart = startScript;
               Restart = "on-failure";
+              TimeoutStartSec = service.startupTimeout;
             };
           };
         };

src/dotfiles/guests.nix

@@ -134,6 +134,16 @@ let
           default = { };
           description = "NixOS module imported into the guest interior.";
         };
+        startupTimeout = lib.mkOption {
+          type = lib.types.str;
+          default = "10min";
+          example = "30min";
+          description = ''
+            Time the host waits for this guest to finish booting before treating
+            container startup as failed.
+          '';
+        };
+
         limits = {
           memory = lib.mkOption {
             type = lib.types.nullOr lib.types.str;
@@ -223,6 +233,7 @@ let
             wants = [ bridgeDevice ];
 
             serviceConfig = lib.filterAttrs (_: v: v != null) {
+              TimeoutStartSec = lib.mkForce cfg.startupTimeout;
               MemoryMax = cfg.limits.memory;
               CPUQuota = cfg.limits.cpu;
               TasksMax = cfg.limits.tasksMax;