feat: file manager — yazi (flagship TUI) + Thunar (GUI)

Legacy shipped only Thunar (and a stray nautilus extension, mid-migration).
This pairs a keyboard-driven TUI flagship that fits the distro's identity
with the GUI half for point-and-click + the "open folder" handler.

yazi (modules/home/yazi.nix, nomarchy.yazi.enable, SUPER+E, `y` shell
wrapper cd's on exit): themed from theme-state.json (mgr/mode/status
mapped from the palette; merges over yazi's defaults so it tracks the
theme) with a curated, correctly-wired plugin set —
  full-border, git (setup + prepend_fetchers), smart-enter (l/Enter),
  chmod (cm), mount (M), compress (caa), mediainfo (audio/subtitle only —
  images/videos keep native thumbnails), glow (markdown previews).
Preview/tooling deps: ffmpegthumbnailer, poppler-utils, p7zip, jq, fd,
ripgrep, fzf, chafa, mediainfo, glow.

Thunar (modules/nixos/file-manager.nix, nomarchy.system.fileManager.enable):
GTK file manager (Stylix-themed) + archive/volman/media-tags plugins +
gvfs/tumbler/udisks2 backends + thumbnailers + exo. udisks2 also backs
yazi's mount plugin.

Verified: flake check green, HM generation builds (yazi TOML/init.lua
render, all 8 plugins resolve), every package present in the live ISO
closure (offline install draws from it — no source-build leak).
Not verified: yazi's runtime preview/plugin behaviour needs a real
session (TUI; can't drive in CI here).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

modules/home/default.nix

@@ -15,6 +15,7 @@
     ./fuzzel.nix    # launcher theming + the nomarchy-menu dispatcher
     ./swaync.nix    # notification daemon, themed from the same JSON
     ./idle.nix      # hyprlock + hypridle, themed from the same JSON
+    ./yazi.nix      # flagship TUI file manager, themed + plugins
   ];
 
   # Clipboard history (wl-paste watcher); browsed via the SUPER+CTRL+V

modules/home/hyprland.nix

@@ -128,6 +128,7 @@ in
       bind = [
         "$mod, Return, exec, $terminal"
         "$mod, D, exec, fuzzel"
+        "$mod, E, exec, $terminal -e yazi"
         "$mod, Q, killactive"
         "$mod, F, fullscreen"
         "$mod, V, togglefloating"

modules/home/options.nix

@@ -66,6 +66,7 @@
     fuzzel.enable = lib.mkEnableOption "Nomarchy's themed fuzzel + the nomarchy-menu dispatcher (power menu)" // { default = true; };
     swaync.enable = lib.mkEnableOption "swaync notifications, themed from the state file" // { default = true; };
     idle.enable = lib.mkEnableOption "hyprlock + hypridle (idle lock, display off, suspend)" // { default = true; };
+    yazi.enable = lib.mkEnableOption "the yazi TUI file manager, themed with a curated plugin set" // { default = true; };
     ghostty.enable = lib.mkEnableOption "Nomarchy's Ghostty configuration" // { default = true; };
     btop.enable = lib.mkEnableOption "btop with the per-theme nomarchy theme" // { default = true; };
     stylix.enable = lib.mkEnableOption "Stylix theming for the long tail of apps (GTK, Qt, cursors)" // { default = true; };

modules/home/yazi.nix

@@ -0,0 +1,126 @@
+# yazi — the flagship file manager: a fast, keyboard-driven TUI that
+# fits the distro's identity (Ghostty's Kitty-graphics previews, fuzzel
+# menus, everything from one JSON). Themed from theme-state.json and
+# shipped with a curated plugin set. The GUI half (Thunar, "open folder"
+# handler) is nomarchy.system.fileManager on the system side.
+#
+# `y` (the shell wrapper) cd's the shell to yazi's last directory on
+# exit; SUPER+E opens it in a fresh terminal.
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.nomarchy;
+  t = cfg.theme;
+  c = t.colors;
+in
+{
+  config = lib.mkIf cfg.yazi.enable {
+    # Preview + tooling deps yazi shells out to (thumbnails, search,
+    # archives, the plugins below). All small CLIs.
+    home.packages = with pkgs; [
+      ffmpegthumbnailer # video thumbnails
+      poppler-utils     # PDF previews (pdftoppm)
+      p7zip             # archive preview + the compress plugin
+      jq                # JSON preview
+      fd ripgrep fzf    # navigation / search integrations
+      chafa             # image fallback when the terminal lacks graphics
+      mediainfo         # mediainfo plugin (audio/subtitle metadata)
+      glow              # glow plugin (markdown rendering)
+    ];
+
+    programs.yazi = {
+      enable = true;
+      shellWrapperName = "y"; # `y` cd's on exit; `yazi` stays a no-cd launcher
+      enableBashIntegration = true;
+
+      settings = {
+        mgr = {
+          show_hidden = false;
+          sort_by = "natural";
+          sort_dir_first = true;
+          linemode = "size";
+        };
+        preview = {
+          max_width = 1000;
+          max_height = 1000;
+        };
+        plugin = {
+          # git status in the linemode (fetcher registered before setup).
+          prepend_fetchers = [
+            { id = "git"; url = "*"; run = "git"; }
+            { id = "git"; url = "*/"; run = "git"; }
+          ];
+          # Route only audio + subtitles to mediainfo's text metadata;
+          # images/videos keep yazi's native visual thumbnails. Markdown
+          # renders through glow.
+          prepend_previewers = [
+            { name = "*.md"; run = "glow"; }
+            { mime = "audio/*"; run = "mediainfo"; }
+            { mime = "application/subrip"; run = "mediainfo"; }
+          ];
+        };
+      };
+
+      keymap.mgr.prepend_keymap = [
+        { on = "l"; run = "plugin smart-enter"; desc = "Enter dir or open file"; }
+        { on = "<Enter>"; run = "plugin smart-enter"; desc = "Enter dir or open file"; }
+        { on = [ "c" "m" ]; run = "plugin chmod"; desc = "Chmod on selected files"; }
+        { on = "M"; run = "plugin mount"; desc = "Mount/unmount manager"; }
+        { on = [ "c" "a" "a" ]; run = "plugin compress"; desc = "Archive selected files"; }
+      ];
+
+      # Curated plugins (nixpkgs yaziPlugins). setup = true emits the
+      # require(...):setup() call in init.lua; the rest are invoked via
+      # the keymap/previewer/fetcher wiring above.
+      plugins = {
+        full-border = { package = pkgs.yaziPlugins.full-border; setup = true; };
+        git = { package = pkgs.yaziPlugins.git; setup = true; };
+        smart-enter = { package = pkgs.yaziPlugins.smart-enter; };
+        chmod = { package = pkgs.yaziPlugins.chmod; };
+        mount = { package = pkgs.yaziPlugins.mount; };
+        compress = { package = pkgs.yaziPlugins.compress; };
+        mediainfo = { package = pkgs.yaziPlugins.mediainfo; };
+        glow = { package = pkgs.yaziPlugins.glow; };
+      };
+
+      # Theme from the palette. yazi merges this over its built-in theme,
+      # so only the accent-bearing UI is specified; everything else keeps
+      # yazi's defaults (which already follow Ghostty's ANSI colors).
+      theme = {
+        mgr = {
+          cwd = { fg = c.accent; };
+          hovered = { fg = c.base; bg = c.accent; };
+          preview_hovered = { underline = true; };
+          find_keyword = { fg = c.warn; italic = true; };
+          find_position = { fg = c.accentAlt; bg = "reset"; italic = true; };
+          marker_copied = { fg = c.good; bg = c.good; };
+          marker_cut = { fg = c.bad; bg = c.bad; };
+          marker_marked = { fg = c.accent; bg = c.accent; };
+          marker_selected = { fg = c.warn; bg = c.warn; };
+          count_copied = { fg = c.base; bg = c.good; };
+          count_cut = { fg = c.base; bg = c.bad; };
+          count_selected = { fg = c.base; bg = c.warn; };
+          border_symbol = "│";
+          border_style = { fg = c.muted; };
+        };
+        mode = {
+          normal_main = { fg = c.base; bg = c.accent; bold = true; };
+          normal_alt = { fg = c.accent; bg = c.surface; };
+          select_main = { fg = c.base; bg = c.good; bold = true; };
+          select_alt = { fg = c.good; bg = c.surface; };
+          unset_main = { fg = c.base; bg = c.accentAlt; bold = true; };
+          unset_alt = { fg = c.accentAlt; bg = c.surface; };
+        };
+        status = {
+          perm_type = { fg = c.accent; };
+          perm_read = { fg = c.good; };
+          perm_write = { fg = c.bad; };
+          perm_exec = { fg = c.warn; };
+          progress_label = { fg = c.text; bold = true; };
+          progress_normal = { fg = c.accent; bg = c.surface; };
+          progress_error = { fg = c.bad; bg = c.surface; };
+        };
+      };
+    };
+  };
+}

modules/nixos/default.nix

@@ -11,7 +11,7 @@ let
   cfg = config.nomarchy.system;
 in
 {
-  imports = [ ./options.nix ./plymouth.nix ];
+  imports = [ ./options.nix ./plymouth.nix ./file-manager.nix ];
 
   config = {
     # The safe half of distro branding: distroName flows into

modules/nixos/file-manager.nix

@@ -0,0 +1,35 @@
+# GUI file manager — Thunar (lightweight GTK, Stylix-themed) plus the
+# backend services a standalone compositor needs for it to work fully:
+# gvfs (trash/mount/network), tumbler (thumbnails), udisks2 (removable
+# media — also what yazi's mount plugin drives). The keyboard-driven TUI
+# flagship is yazi (modules/home/yazi.nix); this is the point-and-click
+# half and the XDG handler for "open folder" / "show in files".
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.nomarchy.system;
+in
+{
+  config = lib.mkIf cfg.fileManager.enable {
+    programs.thunar = {
+      enable = lib.mkDefault true;
+      plugins = with pkgs.xfce; [
+        thunar-archive-plugin    # create/extract archives from the context menu
+        thunar-volman            # auto-manage removable drives/media
+        thunar-media-tags-plugin # rename/inspect audio by tags
+      ];
+    };
+
+    services.gvfs.enable = lib.mkDefault true;    # trash, mounts, network shares
+    services.tumbler.enable = lib.mkDefault true; # thumbnail generation
+    services.udisks2.enable = lib.mkDefault true; # mount/unmount removable media
+
+    environment.systemPackages = with pkgs; [
+      ffmpegthumbnailer # video thumbnails (Thunar + yazi)
+      libgsf            # ODF thumbnails
+      poppler-utils     # PDF thumbnails / pdftoppm (yazi PDF preview too)
+      xfce.exo          # "Open Terminal Here" and default-app associations
+      shared-mime-info  # MIME database
+    ];
+  };
+}

modules/nixos/options.nix

@@ -37,6 +37,12 @@
       '';
     };
 
+    fileManager.enable = lib.mkEnableOption ''
+      the Thunar GUI file manager + backend services (gvfs/tumbler/udisks2)
+      for point-and-click file management and the "open folder" handler.
+      The keyboard-driven TUI flagship (yazi) is the nomarchy.yazi.* home
+      option'' // { default = true; };
+
     audio.enable = lib.mkEnableOption "the Pipewire audio stack" // { default = true; };
     bluetooth.enable = lib.mkEnableOption "Bluetooth support with blueman" // { default = true; };