diff --git a/README.md b/README.md
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Binary files a/README.md and b/README.md differ
diff --git a/install-asdf.sh b/install-asdf.sh
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+++ b/install-asdf.sh
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+#!/bin/bash
+
+set -euo pipefail
+
+# renovate: datasource=github-releases depName=asdf-vm/asdf
+ASDF_VERSION=v0.16.6
+
+add_line_to_file_if_not_exists() {
+  local file="$1"
+  local line="$2"
+
+  if ! grep -Fxq "$line" "$file"; then
+    echo "Adding line to $file..."
+    echo "$line" >> "$file"
+  fi
+}
+
+# Download and extract the archive
+OS=$(uname | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+case "$ARCH" in
+  x86_64)  ARCH="amd64" ;;
+  aarch64) ARCH="arm64" ;;
+  *) echo "❌ Unsupported architecture: $ARCH"; exit 1 ;;
+esac
+ARCHIVE_URL="https://github.com/asdf-vm/asdf/releases/download/${ASDF_VERSION}/asdf-${ASDF_VERSION}-${OS}-${ARCH}.tar.gz"
+INSTALL_DIR="$HOME/.asdf"
+
+echo "🗑️  Removing existing asdf installation..."
+if [ -d "$INSTALL_DIR" ]; then
+  rm -rf "$INSTALL_DIR"
+fi
+
+echo "⬇️  Downloading asdf version ${ASDF_VERSION}..."
+curl -sSL "$ARCHIVE_URL" -o /tmp/asdf.tar.gz
+
+echo "📦 Extracting asdf..."
+mkdir -p "$INSTALL_DIR"
+tar -xzf /tmp/asdf.tar.gz -C "$INSTALL_DIR"
+
+# Clean up
+echo "🧹 Cleaning up..."
+rm /tmp/asdf.tar.gz
+
+add_line_to_file_if_not_exists "$HOME/.bashrc" 'export PATH="$HOME/.asdf:$PATH"'
+add_line_to_file_if_not_exists "$HOME/.bash_profile" 'export PATH="${ASDF_DATA_DIR:-$HOME/.asdf}/shims:$PATH"'
+add_line_to_file_if_not_exists "$HOME/.bashrc" '. <(asdf completion bash)'
+
+
+export PATH="$HOME/.asdf:$PATH"
+asdf -v
+
+echo "✅ asdf version ${ASDF_VERSION} installed successfully. To enable code completion, please restart your terminal or run 'source ~/.bashrc'."