feat(config): enable Netdata monitoring

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

configuration.nix

@@ -15,6 +15,16 @@
   networking.hostName = "nixos";
   networking.domain = "";
 
+  # === IPv6 ===
+  networking.interfaces.ens6.ipv6.addresses = [{
+    address = "2a01:239:484:9d00::1";
+    prefixLength = 80;
+  }];
+  networking.defaultGateway6 = {
+    address = "fe80::1";
+    interface = "ens6";
+  };
+
   # === Firewall ===
   networking.firewall = {
     enable = true;
@@ -83,6 +93,7 @@
     git
     nano
     kitty.terminfo
+    claude-code
     htop
     tmux
     headscale
@@ -90,9 +101,10 @@
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
-  # Allow unfree packages (for open-webui)
+  # Allow unfree 
   nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
     "open-webui"
+    "claude-code"
   ];
 
   # === SearXNG ===
@@ -187,7 +199,10 @@
   };
 
   # === CrowdSec ===
-  myModules.crowdsec.enable = true;
+  myModules.crowdsec = {
+    enable = true;
+    enableBouncer = false;  # Temporarily disabled due to StateDirectory conflict
+  };
 
   # === Headscale (Self-hosted Tailscale) ===
   myModules.headscale = {
@@ -205,12 +220,19 @@
     # And add headscale_oidc_secret to your secrets.yaml
   };
 
+  # === Netdata (System Monitoring) ===
+  myModules.netdata = {
+    enable = true;
+    domain = "netdata.ashisgreat.xyz";
+  };
+
   # === Tailscale Client ===
   services.tailscale.enable = true;
 
   # === OpenWeb UI ===
   myModules.open-webui = {
     enable = true;
+    port = 8081;
     domain = "ai.ashisgreat.xyz";
     ollamaUrl = "http://100.64.0.1:11434";
   };