feat(x11): XFCE desktop-skin (brand-matched, reversible)

.github/workflows/smoke.yml

@@ -34,6 +34,7 @@ jobs:
             lib/grok.sh
             lib/x11.sh
             scripts/install_v9_grok_models.sh
+            scripts/desktop-skin.sh
             bin/grokhunter
             bin/grokhunter-doctor
           )

bin/grokhunter

@@ -168,7 +168,7 @@ Usage:
   grokhunter scout [prompt]   Launch scout agent
   grokhunter review [prompt]  Launch review agent
   grokhunter fix [prompt]     Launch fix agent
-  grokhunter desktop [prompt] Launch desktop (X11) agent
+  grokhunter desktop [prompt|apply|status|revert|self-test]  X11 agent or XFCE skin
   grokhunter overlay [prompt] Launch overlay/install agent
   grokhunter ship [prompt]    Launch release/ship agent
   grokhunter docs [prompt]    Launch docs agent
@@ -927,6 +927,15 @@ main() {
       shift || true
       cmd_setup "$@"
       ;;
+    desktop)
+      case "${2:-}" in
+        apply|status|revert|self-test)
+          [[ -f "${GROKHUNTER_HOME}/lib/x11.sh" ]] || { echo "lib/x11.sh missing" >&2; exit 1; }
+          # shellcheck source=lib/x11.sh
+          source "${GROKHUNTER_HOME}/lib/x11.sh"
+          shift; run_desktop_skin "$@"; exit $? ;;
+      esac
+      shift || true; cmd_agent_launch desktop "$@"; ;;
     menu|kali-menu|desktop-menu)
       shift || true
       cmd_menu "${1:-install}"
@@ -951,7 +960,7 @@ main() {
       shift || true
       cmd_agent_launch coding-team "$@"
       ;;
-    scout|benjamin|lucas|harper|review|fix|desktop|overlay|ship|docs|ci|aider|session|host|mcp|plugin|flow|storage|editor|hook|shell|github|secrets|toolchain|tls|net|tookie)
+    scout|benjamin|lucas|harper|review|fix|overlay|ship|docs|ci|aider|session|host|mcp|plugin|flow|storage|editor|hook|shell|github|secrets|toolchain|tls|net|tookie)
       shift || true
       cmd_agent_launch "${sub}" "$@"
       ;;

docs/X11-PERFORMANCE.md

@@ -94,6 +94,10 @@ nh-x11
 
 Related: [PROOT.md](PROOT.md), [INSTALL.md](INSTALL.md).
 
+## GrokHunter XFCE skin
+
+Brand-matched reversible skin (user xfconf only): `DISPLAY=:0 bash scripts/desktop-skin.sh apply --plate og --dpi 120 --panel-slim` — see `scripts/desktop-skin.sh`. Revert with `bash scripts/desktop-skin.sh revert`.
+
 ## Kali application menu
 
 After desktop install (or anytime inside Kali):

lib/x11.sh

@@ -603,3 +603,22 @@ EOF
       ;;
   esac
 }
+
+
+# ---------- GrokHunter XFCE desktop skin (issue #26) ----------
+# Thin wrapper around scripts/desktop-skin.sh — user xfconf only.
+run_desktop_skin() {
+  local root="${GROKHUNTER_HOME:-}"
+  local script=""
+  if [[ -n "${root}" && -f "${root}/scripts/desktop-skin.sh" ]]; then
+    script="${root}/scripts/desktop-skin.sh"
+  elif [[ -f "${BASH_SOURCE[0]%/*}/../scripts/desktop-skin.sh" ]]; then
+    script="$(cd "${BASH_SOURCE[0]%/*}/.." && pwd)/scripts/desktop-skin.sh"
+  else
+    echo "scripts/desktop-skin.sh not found (set GROKHUNTER_HOME)" >&2
+    return 1
+  fi
+  # shellcheck disable=SC2086
+  bash "${script}" "$@"
+}
+

scripts/ci-unit.sh

@@ -24,6 +24,7 @@ mapfile -t files < <(
 extra=(
   install.sh
   uninstall.sh
+  scripts/desktop-skin.sh
   lib/cli.sh
   lib/actions.sh
   lib/grok.sh
@@ -1391,4 +1392,9 @@ EOF
 '
 info "install_grok_statusline OK"
 
+# ---------- desktop-skin self-test (no DISPLAY) ----------
+[[ -f scripts/desktop-skin.sh ]] || die "missing scripts/desktop-skin.sh"
+bash scripts/desktop-skin.sh self-test || die "desktop-skin self-test failed"
+info "desktop-skin self-test OK"
+
 info "ALL OK"