feat: mise, brew and fastfetch perf

script/install.d/43-copilot.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   Install GitHub Copilot CLI (globally via npm).
+#
+
+if ! command -v npm &>/dev/null; then
+    log_warn "npm not found, skipping"
+    return 0
+fi
+
+# Install if not present
+if ! command -v copilot &>/dev/null; then
+    log_info "Installing GitHub Copilot CLI..."
+    npm install -g @github/copilot --silent
+fi
+
+# Verify installation
+log_info "GitHub Copilot CLI: $(copilot --version 2>&1 | head -1)"