feat(starship): tmux & shpool indicator

modules/cli/shell/starship.nix

@@ -11,17 +11,26 @@ in
   };
 
   config = lib.mkMerge [
-    {
-      my.cli.shell.starship.format = lib.mkOrder 0 [ "$all" ];
-    }
     (lib.mkIf cfg.enable {
       my.hm = {
         programs.starship = {
           enable = true;
           settings = lib.recursiveUpdate (with builtins; fromTOML (readFile ./starship-preset.toml)) {
             add_newline = false;
+            command_timeout = 2000;
             nix_shell.disabled = true;
-            format = lib.concatStringsSep "" cfg.format;
+            format = let
+              dedupDollar = list: let
+                result = builtins.foldl' (acc: elem:
+                  if lib.hasPrefix "$" elem then
+                    if builtins.elem elem acc.seen
+                    then acc
+                    else acc // { result = acc.result ++ [elem]; seen = acc.seen ++ [elem]; }
+                  else
+                    acc // { result = acc.result ++ [elem]; }
+                ) { result = []; seen = []; } (lib.reverseList list);
+              in lib.reverseList result.result;
+            in "$all" + lib.concatStrings (dedupDollar cfg.format);
           };
         };
       };