feat(zsh): add some nice to haves

modules/home/cli/shell/default.nix

@@ -2,26 +2,36 @@
 {
   config = lib.mkIf (config.cli.shell == "zsh") {
     home.sessionVariables.SHELL = "zsh";
+    home.persistence."/persist/home/${config.snowfallorg.user.name}".files = [ ".zsh_history" ];
     programs.zsh = {
       enable = true;
       enableVteIntegration = true;
       syntaxHighlighting.enable = true;
-      history.share = true;
-      history.size = 10000;
-      history.ignoreDups = true;
-      history.ignoreSpace = true;
-      initContent =
-        lib.mkOrder 1200
-          # zsh
-          ''
-            RPROMPT='[%D{%L:%M:%S %p}]'
-
-            TMOUT=1
-
-            TRAPALRM() {
-                zle reset-prompt
-            }
-          '';
+      historySubstringSearch.enable = true;
+      history = {
+        append = true;
+        extended = true;
+        ignoreDups = true;
+        ignoreSpace = true;
+        save = 10000;
+        share = true;
+        size = 10000;
+      };
     };
+    programs.zsh.initContent = lib.mkIf config.cli.enableScreensaver (
+      lib.mkOrder 1200
+        # zsh
+        ''
+          setopt PROMPT_SUBST
+          PROMPT='> '
+          RPROMPT='[%D{%L:%M:%S %p}]'
+
+          TMOUT=1
+
+          TRAPALRM() {
+              zle reset-prompt
+          }
+        ''
+    );
   };
 }