fix: hardcode clear command

home/modules/zsh.nix

@@ -1,4 +1,4 @@
-{ ... }:
+{ pkgs, ... }:
 
 {
   programs.zsh = {
@@ -12,6 +12,7 @@
       la = "ls -A";
       l = "ls -CF";
       tp = "tree -I '__init__*' -I '__pycache__'";
+      clear = "/run/current-system/sw/bin/clear";
     };
 
     sessionVariables = {
@@ -42,4 +43,7 @@
       fi
     '';
   };
+  home.sessionVariables = {
+    TERMINFO_DIRS = "${pkgs.ghostty}/share/terminfo:${pkgs.ncurses}/share/terminfo";
+  };
 }