feat(fw): update to 25.11

hosts/fw/channel

@@ -1 +1 @@
-https://channels.nixos.org/nixos-25.05
+https://channels.nixos.org/nixos-25.11

hosts/fw/configuration.nix

@@ -10,6 +10,7 @@
     ./utils/modules/victoriametrics
     ./utils/modules/promtail
     ./utils/modules/borgbackup.nix
+    ./utils/modules/set-nix-channel.nix
 
     # fw
     ./modules/network-prefix.nix
@@ -103,7 +104,7 @@
 
   time.timeZone = "Europe/Vienna";
 
-  services.logind.extraConfig = "RuntimeDirectorySize=2G";
+  services.logind.settings.Login.RuntimeDirectorySize = "2G";
 
   sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
   sops.defaultSopsFile = ./secrets.yaml;

hosts/fw/modules/web/n8n.nix

@@ -19,21 +19,19 @@
   };
 
   # n8n service configuration
-  services.n8n = {
-    enable = true;
-    settings = {
-      database.type = "postgresdb";
-      database.postgresdb.host = "/run/postgresql";
-      database.postgresdb.database = "n8n";
-      database.postgresdb.user = "n8n";
-      executions.pruneData = true;
-      executions.pruneDataMaxAge = 168; # 7 days
-    };
-  };
+  services.n8n.enable = true;
 
-  # Configure git integration via environment variables
+  # Configure n8n via environment variables
   systemd.services.n8n = {
     environment = lib.mkForce {
+      # Database configuration (migrated from services.n8n.settings)
+      DB_TYPE = "postgresdb";
+      DB_POSTGRESDB_HOST = "/run/postgresql";
+      DB_POSTGRESDB_DATABASE = "n8n";
+      DB_POSTGRESDB_USER = "n8n";
+      EXECUTIONS_DATA_PRUNE = "true";
+      EXECUTIONS_DATA_MAX_AGE = "168"; # 7 days
+      # Other settings
       N8N_ENCRYPTION_KEY = ""; # Will be set via environmentFile
       N8N_VERSION_NOTIFICATIONS_ENABLED = "false";
       N8N_DIAGNOSTICS_ENABLED = "false";