feat: Add Proxmox LXC auto-enrollment script with dpkg error recovery

agents/proxmox_auto_enroll.sh

@@ -1,10 +1,10 @@
 #!/bin/bash
-set -euo pipefail  # Exit on error, undefined vars, pipe failures
+set -eo pipefail  # Exit on error, pipe failures (removed -u as we handle unset vars explicitly)
 
 # Trap to catch errors only (not normal exits)
 trap 'echo "[ERROR] Script failed at line $LINENO with exit code $?"' ERR
 
-SCRIPT_VERSION="1.1.0"
+SCRIPT_VERSION="1.1.1"
 echo "[DEBUG] Script Version: $SCRIPT_VERSION ($(date +%Y-%m-%d\ %H:%M:%S))"
 
 # =============================================================================

backend/src/server.js

@@ -1,40 +1,4 @@
 require("dotenv").config();
-
-// Validate required environment variables on startup
-function validateEnvironmentVariables() {
-	const requiredVars = {
-		JWT_SECRET: "Required for secure authentication token generation",
-		DATABASE_URL: "Required for database connection",
-	};
-
-	const missing = [];
-
-	// Check required variables
-	for (const [varName, description] of Object.entries(requiredVars)) {
-		if (!process.env[varName]) {
-			missing.push(`${varName}: ${description}`);
-		}
-	}
-
-	// Fail if required variables are missing
-	if (missing.length > 0) {
-		console.error("❌ Missing required environment variables:");
-		for (const error of missing) {
-			console.error(`   - ${error}`);
-		}
-		console.error("");
-		console.error(
-			"Please set these environment variables and restart the application.",
-		);
-		process.exit(1);
-	}
-
-	console.log("✅ Environment variable validation passed");
-}
-
-// Validate environment variables before importing any modules that depend on them
-validateEnvironmentVariables();
-
 const express = require("express");
 const cors = require("cors");
 const helmet = require("helmet");