chore: update flake inputs and adjust configs

- Update flake inputs (home-manager, HyprPanel, nixpkgs variants, NUR, AGENTS)
- Switch OpenCode agents to opencode/ model provider
- Remove webcord package from media config
- Fix thunar plugins namespace (xfce.* → pkgs.*)
- Upgrade m3-kratos kernel to 6.18
- Disable ADB and qdrant service on m3-kratos
- Enable qdrant overlay using stable nixpkgs

hosts/m3-ares/programs.nix

@@ -28,7 +28,7 @@
   programs.fish.enable = true;
   programs.thunar = {
     enable = true;
-    plugins = with pkgs.xfce; [thunar-archive-plugin thunar-volman];
+    plugins = with pkgs; [thunar-archive-plugin thunar-volman];
   };
   programs.gnupg.agent = {
     enable = true;

hosts/m3-kratos/configuration.nix

@@ -14,7 +14,7 @@
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.initrd.kernelModules = ["amdgpu"];
-  boot.kernelPackages = pkgs.linuxPackages_6_17;
+  boot.kernelPackages = pkgs.linuxPackages_6_18;
   services.xserver.videoDrivers = ["amdgpu"];
   security.polkit.enable = true;
   security.pam.services.gdm.enableGnomeKeyring = true;

hosts/m3-kratos/programs.nix

@@ -4,7 +4,6 @@
     # Add any missing dynamic libraries for unpackaged programs
     # here, NOT in environment.systemPackages
   ];
-  programs.adb.enable = true;
   programs.hyprland = {
     enable = true;
     xwayland.enable = true;
@@ -34,7 +33,7 @@
   programs.fish.enable = true;
   programs.thunar = {
     enable = true;
-    plugins = with pkgs.xfce; [thunar-archive-plugin thunar-volman];
+    plugins = with pkgs; [thunar-archive-plugin thunar-volman];
   };
   programs.gnupg.agent = {
     enable = true;

hosts/m3-kratos/services/default.nix

@@ -15,7 +15,7 @@
     gvfs.enable = true;
     trezord.enable = true;
     gnome.gnome-keyring.enable = true;
-    qdrant.enable = true;
+    qdrant.enable = false;
     stirling-pdf.enable = true;
     avahi = {
       enable = true;