zellij: rework layout configuration

extend the base zellij home-manager module to include the option to
define layouts with zjstatus, opinionated module; will never be
upstreamed in current state

also re-enable cava as build failure has been fixed in nixpkgs

modules/home/console/tools/multiplexer/zellij/options.nix

@@ -0,0 +1,115 @@
+{
+  lib,
+  config,
+  inputs',
+  osConfig,
+  hozen,
+  ...
+}: let
+  inherit (hozen) color;
+  inherit (lib) optionalAttrs mapAttrs' nameValuePair mkIf mkOption;
+  inherit (lib.types) nullOr lines submodule str attrsOf;
+
+  cfg = config.programs.zellij;
+
+  mkZellijLayout = {
+    zjstatus,
+    icon ? "",
+    timeZone,
+    tabs ? '''',
+  }:
+  # kdl
+  ''
+    layout {
+      default_tab_template {
+        pane size=2 borderless=true {
+          plugin location="file:${zjstatus}" {
+            format_left  "{mode}"
+            format_right "{session} {datetime}"
+            format_center "#[fg=#${color.base0D},bold] {tabs}"
+            format_space ""
+
+            border_enabled  "true"
+            border_char     "─"
+            border_format   "#[fg=#${color.base05}]{char}"
+            border_position "bottom"
+
+            hide_frame_for_single_pane "true"
+
+            mode_normal       "#[fg=#${color.base0D}]${icon} "
+            mode_tmux         "#[fg=#${color.base0E}]${icon} "
+            mode_pane         "#[fg=#${color.base08}]${icon} "
+            mode_tab          "#[fg=#${color.base08}]${icon} "
+            mode_rename_tab   "#[fg=#${color.base08}]${icon} "
+            mode_rename_pane  "#[fg=#${color.base08}]${icon} "
+            mode_session      "#[fg=#${color.base08}]${icon} "
+            mode_locked       "#[fg=#${color.base05}]${icon} "
+            mode_move         "#[fg=#${color.base0B}]${icon} "
+            mode_resize       "#[fg=#${color.base0B}]${icon} "
+            mode_prompt       "#[fg=#${color.base0A}]${icon} "
+            mode_search       "#[fg=#${color.base0A}]${icon} "
+            mode_enter_search "#[fg=#${color.base0A}]${icon} "
+
+            tab_normal   "#[bg=#${color.base01}] {name} "
+            tab_active   "#[bg=#${color.base02}] {name} "
+            tab_separator "  "
+
+            datetime        "#[fg=#${color.base05},bold] {format} "
+            datetime_format "%I:%M %p"
+            datetime_timezone "${timeZone}"
+          }
+        }
+      children
+      }
+      ${tabs}
+    }
+  '';
+
+  layoutModule = submodule {
+    options = {
+      icon = mkOption {
+        type = str;
+        description = "Icon to display on the status bar";
+        default = "";
+      };
+      timeZone = mkOption {
+        type = str;
+        description = "Timezone for the datetime display";
+        default = osConfig.time.timeZone;
+      };
+      zjstatus = mkOption {
+        type = str;
+        default = "${inputs'.zjstatus.packages.default}/bin/zjstatus.wasm";
+      };
+      tabs = mkOption {
+        type = lines;
+        default = '''';
+        description = "KDL configuration for layouts tabs";
+      };
+    };
+  };
+in {
+  options.programs.zellij = {
+    # TODO: turn this into a binds options
+    extraSettings = mkOption {
+      type = nullOr lines;
+      default = null;
+      description = "Additional settings in KDL format";
+    };
+    layouts = mkOption {
+      type = attrsOf layoutModule;
+      description = "Zellij layouts with zjstatus";
+    };
+  };
+  config = mkIf cfg.enable {
+    xdg.configFile =
+      mapAttrs' (name: layout:
+        nameValuePair "zellij/layouts/${name}.kdl" {
+          text = mkZellijLayout layout;
+        })
+      cfg.layouts
+      // optionalAttrs (cfg.extraSettings != null) {
+        "zellij/config.kdl".text = cfg.extraSettings;
+      };
+  };
+}