Fix: never overwrite existing hwmonDaemon .env on re-runs

If /etc/hwmonDaemon/.env already exists and has a real API key,
skip the prompt and preserve the file entirely. Only write a new
.env when none exists or it still has the placeholder value.
Safe to run freshStart.sh on existing hosts.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

freshStart.sh

@@ -311,11 +311,17 @@ echo "━━━━━━━━━━━━━━━━━━━━━━━━
 echo "  hwmonDaemon API Key Configuration"
 echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
 echo ""
+
+API_KEY=""
+if [[ -f /etc/hwmonDaemon/.env ]] && ! grep -q "your_api_key_here" /etc/hwmonDaemon/.env; then
+    echo "✓ Existing /etc/hwmonDaemon/.env detected — skipping (will not overwrite)"
+else
     echo "The hwmonDaemon requires an API key to create tickets."
     echo "You can enter it now or configure it later by editing:"
     echo "  /etc/hwmonDaemon/.env"
     echo ""
     read -p "Enter API key (or press Enter to skip): " API_KEY
+fi
 
 # Determine platform-specific defaults
 if [[ "$PLATFORM" == "pbs" ]]; then
@@ -326,7 +332,9 @@ else
     CEPH_DEFAULT="true"
 fi
 
-if [[ -n "$API_KEY" ]]; then
+if [[ -f /etc/hwmonDaemon/.env ]] && ! grep -q "your_api_key_here" /etc/hwmonDaemon/.env; then
+    : # already guarded above — existing .env preserved
+elif [[ -n "$API_KEY" ]]; then
     # Create .env file with API key and all config options
     cat > /etc/hwmonDaemon/.env << EOF
 # hwmonDaemon Configuration