Fix: Picom in its own file

hm/common/picom.nix

@@ -1,4 +1,5 @@
-_: {
+{ pkgs, ... }: {
+  home.packages = pkgs.picom ;
   services.picom = {
     enable = true;
     backend = "glx"; # plus fluide si ta carte gère bien OpenGL

hm/desktop/bspwm.nix

@@ -4,6 +4,9 @@
   lib,
   ...
 }: {
+  imports = [
+    ../common/picom.nix
+  ];
   home.packages = with pkgs; [
     bspwm
     sxhkd
@@ -13,7 +16,6 @@
     rofi
     feh
     font-awesome
-    picom
     xorg.xset
     xidlehook
     betterlockscreen
@@ -29,7 +31,6 @@
     protonvpn-gui
   ];
 
-  # Gère le ssh-agent proprement côté user
   services.ssh-agent.enable = true;
 
   xsession = {
@@ -37,7 +38,6 @@
     windowManager.bspwm = {
       enable = true;
 
-      # Démarrages au login X
       startupPrograms = [
         "sxhkd -m 1"
         "setxkbmap bepovim"
@@ -55,14 +55,6 @@
     };
   };
 
-  #  xsession.initExtra = ''
-  #    xset s 300 300
-  #    xset s on
-  #    xset s noblank
-  #    xset +dpms
-  #    xset dpms 0 0 500
-  #  '';
-
   services = {
     sxhkd = {
       enable = true;
@@ -138,7 +130,6 @@
     };
   };
 
-  # xidlehook (user service)
   systemd.user.services.xidlehook = {
     Unit.Description = "Idle: lock at 5min, suspend at ~8min";
     Service = {