fix: robust node.js version parsing in installers

Improved Node.js version check logic to handle prefixed version strings and avoid brittle cut commands. Verified with multiple version formats including v24.11.1.

agents/install-claude-customizations.sh

@@ -69,9 +69,11 @@ check_prerequisites() {
     check_command "curl"
 
     # Check Node.js version (need 14+)
-    NODE_VERSION=$(node -v | cut -d'v' -f2 | cut -d'.' -f1)
-    if [ "$NODE_VERSION" -lt 14 ]; then
-        log_error "Node.js version 14 or higher required. Current: $(node -v)"
+    local node_full_version=$(node -v 2>&1)
+    local node_major_version=$(echo "$node_full_version" | grep -oE '[0-9]+' | head -n1)
+    
+    if [ -z "$node_major_version" ] || [ "$node_major_version" -lt 14 ]; then
+        log_error "Node.js version 14 or higher required. Current: $node_full_version"
         exit 1
     fi
 

install-claude-code.sh

@@ -108,14 +108,21 @@ check_nodejs() {
         exit 1
     fi
 
-    local node_version=$(node -v | cut -d'v' -f2 | cut -d'.' -f1)
-    if [ "$node_version" -lt 18 ]; then
-        log_error "Node.js version $node_version is too old!"
-        echo "Node.js 18 or newer is required."
+    local node_full_version=$(node -v 2>&1)
+    local node_version=$(echo "$node_full_version" | grep -oE '[0-9]+' | head -n1)
+    
+    if [ -z "$node_version" ]; then
+        log_error "Could not parse Node.js version from: $node_full_version"
         exit 1
     fi
 
-    log_success "Node.js $(node -v) found"
+    if [ "$node_version" -lt 18 ]; then
+        log_error "Node.js version $node_version is too old!"
+        echo "Node.js 18 or newer is required. Found: $node_full_version"
+        exit 1
+    fi
+
+    log_success "Node.js $node_full_version found"
 }
 
 check_claude_code_installed() {

install-windows.ps1

@@ -179,10 +179,18 @@ function Install-Dependencies {
     # Check Node.js
     $nodeCmd = Get-Command node -ErrorAction SilentlyContinue
     if ($nodeCmd) {
-        $version = & node --version
-        Write-ColorOutput "Node.js found: $version" -Type Success
+        $nodeFullVersion = & node --version
+        $nodeMajorVersion = ($nodeFullVersion -replace '^v', '') -split '\.' | Select-Object -First 1
+        
+        if ([int]$nodeMajorVersion -lt 18) {
+            Write-ColorOutput "Node.js version $nodeMajorVersion is too old! Node.js 18 or newer is required." -Type Error
+            exit 1
+        }
+        
+        Write-ColorOutput "Node.js found: $nodeFullVersion" -Type Success
     } else {
-        Write-ColorOutput "Node.js not found. Some features may not work." -Type Warning
+        Write-ColorOutput "Node.js not found. Node.js 18 or newer is required to install Claude Code." -Type Error
+        exit 1
     }
 
     # Check Git

supercharge.sh

@@ -178,7 +178,14 @@ install_dependencies() {
     if ! command -v node &> /dev/null; then
         log_warn "Node.js not found. Some features may not work."
     else
-        log_success "Node.js found: $(node --version)"
+        local node_full_version=$(node -v 2>&1)
+        local node_version=$(echo "$node_full_version" | grep -oE '[0-9]+' | head -n1)
+        
+        if [ ! -z "$node_version" ] && [ "$node_version" -ge 18 ]; then
+            log_success "Node.js found: $node_full_version"
+        else
+            log_warn "Node.js found but too old ($node_full_version). v18+ recommended."
+        fi
     fi
 
     # Check Git