fix: Pass API credentials directly to curl instead of via env vars

agents/proxmox_auto_enroll.sh

@@ -4,7 +4,7 @@ set -euo pipefail  # Exit on error, undefined vars, pipe failures
 # Trap to catch any unexpected exits
 trap 'echo "[ERROR] Script exited unexpectedly at line $LINENO with exit code $?"' ERR EXIT
 
-SCRIPT_VERSION="1.0.0-debug.8"
+SCRIPT_VERSION="1.0.0-debug.9"
 echo "[DEBUG] Script Version: $SCRIPT_VERSION ($(date +%Y-%m-%d\ %H:%M:%S))"
 
 # =============================================================================
@@ -196,12 +196,10 @@ while IFS= read -r line; do
         
         # Download and execute in separate steps to avoid stdin issues with piping
         install_output=$(timeout 180 pct exec "$vmid" -- bash -c "
-            export API_ID='$api_id'
-            export API_KEY='$api_key'
             cd /tmp
             curl $CURL_FLAGS \
-                -H 'X-API-ID: \$API_ID' \
-                -H 'X-API-KEY: \$API_KEY' \
+                -H \"X-API-ID: $api_id\" \
+                -H \"X-API-KEY: $api_key\" \
                 -o patchmon-install.sh \
                 '$PATCHMON_URL/api/v1/hosts/install' && \
             bash patchmon-install.sh && \