feat: mise, brew and fastfetch perf

script/install.d/80-fastfetch.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   Install fastfetch (fast system information tool).
+#
+
+# Skip in Codespaces (cosmetic tool)
+[[ "$DOTS_ENV" == "codespaces" ]] && { log_pass "Skipping in Codespaces"; return 0; }
+
+if ! command -v fastfetch &>/dev/null; then
+    case "$DOTS_PKG" in
+        apt)
+            sudo apt-get install -qq fastfetch &>/dev/null
+            ;;
+        pacman)
+            yay -S --noconfirm fastfetch &>/dev/null
+            ;;
+        brew)
+            brew install fastfetch
+            ;;
+        *)
+            log_warn "Skipping fastfetch install: no supported package manager found"
+            ;;
+    esac
+fi
+
+echo "fastfetch: $(fastfetch --version 2>&1 | head -1)"