chore: update opencode, hyprland config, and disable qdrant

- Remove opencode-anthropic-auth plugin from opencode config
- Add XDG environment variables for Hyprland session awareness
- Disable qdrant service on m3-ares host

hosts/m3-ares/services/default.nix

@@ -15,14 +15,14 @@
     gvfs.enable = true;
     trezord.enable = true;
     gnome.gnome-keyring.enable = true;
-    qdrant = {
-      enable = true;
-      settings = {
-        service = {
-          host = "0.0.0.0";
-        };
-      };
-    };
+    # qdrant = {
+    #   enable = true;
+    #   settings = {
+    #     service = {
+    #       host = "0.0.0.0";
+    #     };
+    #   };
+    # };
     upower.enable = true;
     avahi = {
       enable = true;