diff --git a/changelog.md b/changelog.md
index 1fbd1ea..c127446 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 2025-03-26 - 2.6.8 - fix(cli)
+Improve CLI formatting, refine debug option filtering, and remove unused dgram import in SNMP manager
+
+- Standardize whitespace and formatting in ts/cli.ts for consistency
+- Refine argument filtering for debug mode and prompt messages
+- Remove unused 'dgram' import from ts/snmp/manager.ts
+
 ## 2025-03-26 - 2.6.7 - fix(setup.sh)
 Clarify net-snmp dependency installation message in setup.sh
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 16f4d2d..5376368 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,7 +9,7 @@ importers:
   .:
     dependencies:
       net-snmp:
-        specifier: ^3.20.0
+        specifier: 3.20.0
         version: 3.20.0
     devDependencies:
       '@git.zone/tsbuild':
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index be7cc80..8b80f29 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/nupst',
-  version: '2.6.7',
+  version: '2.6.8',
   description: 'Node.js UPS Shutdown Tool for SNMP-enabled UPS devices'
 }
diff --git a/ts/cli.ts b/ts/cli.ts
index 48d13fc..a51229b 100644
--- a/ts/cli.ts
+++ b/ts/cli.ts
@@ -30,7 +30,7 @@ export class NupstCli {
       // Enable debug mode in the SNMP client
       this.nupst.getSnmp().enableDebug();
     }
-    
+
     // Get the command (default to help if none provided)
     const command = args[2] || 'help';
 
@@ -46,8 +46,8 @@ export class NupstCli {
   private extractDebugOptions(args: string[]): { debugMode: boolean; cleanedArgs: string[] } {
     const debugMode = args.includes('--debug') || args.includes('-d');
     // Remove debug flags from args
-    const cleanedArgs = args.filter(arg => arg !== '--debug' && arg !== '-d');
-    
+    const cleanedArgs = args.filter((arg) => arg !== '--debug' && arg !== '-d');
+
     return { debugMode, cleanedArgs };
   }
 
@@ -85,23 +85,23 @@ export class NupstCli {
       case 'disable':
         await this.disable();
         break;
-        
+
       case 'setup':
         await this.setup();
         break;
-        
+
       case 'test':
         await this.test(debugMode);
         break;
-        
+
       case 'update':
         await this.update();
         break;
-        
+
       case 'uninstall':
         await this.uninstall();
         break;
-        
+
       case 'config':
         await this.showConfig();
         break;
@@ -149,17 +149,17 @@ export class NupstCli {
       // Use exec with spawn to properly follow logs in real-time
       const { spawn } = await import('child_process');
       console.log('Tailing nupst service logs (Ctrl+C to exit)...\n');
-      
+
       const journalctl = spawn('journalctl', ['-u', 'nupst.service', '-n', '50', '-f'], {
-        stdio: ['ignore', 'inherit', 'inherit']
+        stdio: ['ignore', 'inherit', 'inherit'],
       });
-      
+
       // Forward signals to child process
       process.on('SIGINT', () => {
         journalctl.kill('SIGINT');
         process.exit(0);
       });
-      
+
       // Wait for process to exit
       await new Promise<void>((resolve) => {
         journalctl.on('exit', () => resolve());
@@ -229,21 +229,21 @@ export class NupstCli {
         console.log('│ SNMP debugging enabled - detailed logs will be shown');
         console.log('└──────────────────────────────────────────┘');
       }
-      
+
       // Try to load the configuration
       try {
         await this.nupst.getDaemon().loadConfig();
       } catch (error) {
         console.error('┌─ Configuration Error ─────────────────────┐');
         console.error('│ No configuration found.');
-        console.error('│ Please run \'nupst setup\' first to create a configuration.');
+        console.error("│ Please run 'nupst setup' first to create a configuration.");
         console.error('└──────────────────────────────────────────┘');
         return;
       }
-      
+
       // Get current configuration
       const config = this.nupst.getDaemon().getConfig();
-      
+
       this.displayTestConfig(config);
       await this.testConnection(config);
     } catch (error) {
@@ -262,26 +262,26 @@ export class NupstCli {
     console.log(`│   Port: ${config.snmp.port}`);
     console.log(`│   Version: ${config.snmp.version}`);
     console.log(`│   UPS Model: ${config.snmp.upsModel || 'cyberpower'}`);
-    
+
     if (config.snmp.version === 1 || config.snmp.version === 2) {
       console.log(`│   Community: ${config.snmp.community}`);
     } else if (config.snmp.version === 3) {
       console.log(`│   Security Level: ${config.snmp.securityLevel}`);
       console.log(`│   Username: ${config.snmp.username}`);
-      
+
       // Show auth and privacy details based on security level
       if (config.snmp.securityLevel === 'authNoPriv' || config.snmp.securityLevel === 'authPriv') {
         console.log(`│   Auth Protocol: ${config.snmp.authProtocol || 'None'}`);
       }
-      
+
       if (config.snmp.securityLevel === 'authPriv') {
         console.log(`│   Privacy Protocol: ${config.snmp.privProtocol || 'None'}`);
       }
-      
+
       // Show timeout value
       console.log(`│   Timeout: ${config.snmp.timeout / 1000} seconds`);
     }
-    
+
     // Show OIDs if custom model is selected
     if (config.snmp.upsModel === 'custom' && config.snmp.customOIDs) {
       console.log('│ Custom OIDs:');
@@ -304,20 +304,20 @@ export class NupstCli {
     console.log('\nTesting connection to UPS...');
     try {
       // Create a test config with a short timeout
-      const testConfig = { 
+      const testConfig = {
         ...config.snmp,
-        timeout: Math.min(config.snmp.timeout, 10000) // Use at most 10 seconds for testing
+        timeout: Math.min(config.snmp.timeout, 10000), // Use at most 10 seconds for testing
       };
-      
+
       const status = await this.nupst.getSnmp().getUpsStatus(testConfig);
-      
+
       console.log('┌─ Connection Successful! ─────────────────┐');
       console.log('│ UPS Status:');
       console.log(`│   Power Status: ${status.powerStatus}`);
       console.log(`│   Battery Capacity: ${status.batteryCapacity}%`);
       console.log(`│   Runtime Remaining: ${status.batteryRuntime} minutes`);
       console.log('└──────────────────────────────────────────┘');
-      
+
       // Check status against thresholds if on battery
       if (status.powerStatus === 'onBattery') {
         this.analyzeThresholds(status, config);
@@ -326,7 +326,7 @@ export class NupstCli {
       console.error('┌─ Connection Failed! ───────────────────────┐');
       console.error(`│ Error: ${error.message}`);
       console.error('└──────────────────────────────────────────┘');
-      console.log('\nPlease check your settings and run \'nupst setup\' to reconfigure.');
+      console.log("\nPlease check your settings and run 'nupst setup' to reconfigure.");
     }
   }
 
@@ -337,25 +337,33 @@ export class NupstCli {
    */
   private analyzeThresholds(status: any, config: any): void {
     console.log('┌─ Threshold Analysis ───────────────────────┐');
-    
+
     if (status.batteryCapacity < config.thresholds.battery) {
       console.log('│ ⚠️ WARNING: Battery capacity below threshold');
-      console.log(`│   Current: ${status.batteryCapacity}% | Threshold: ${config.thresholds.battery}%`);
+      console.log(
+        `│   Current: ${status.batteryCapacity}% | Threshold: ${config.thresholds.battery}%`
+      );
       console.log('│   System would initiate shutdown');
     } else {
       console.log('│ ✓ Battery capacity above threshold');
-      console.log(`│   Current: ${status.batteryCapacity}% | Threshold: ${config.thresholds.battery}%`);
+      console.log(
+        `│   Current: ${status.batteryCapacity}% | Threshold: ${config.thresholds.battery}%`
+      );
     }
-    
+
     if (status.batteryRuntime < config.thresholds.runtime) {
       console.log('│ ⚠️ WARNING: Runtime below threshold');
-      console.log(`│   Current: ${status.batteryRuntime} min | Threshold: ${config.thresholds.runtime} min`);
+      console.log(
+        `│   Current: ${status.batteryRuntime} min | Threshold: ${config.thresholds.runtime} min`
+      );
       console.log('│   System would initiate shutdown');
     } else {
       console.log('│ ✓ Runtime above threshold');
-      console.log(`│   Current: ${status.batteryRuntime} min | Threshold: ${config.thresholds.runtime} min`);
+      console.log(
+        `│   Current: ${status.batteryRuntime} min | Threshold: ${config.thresholds.runtime} min`
+      );
     }
-    
+
     console.log('└──────────────────────────────────────────┘');
   }
 
@@ -386,60 +394,72 @@ Options:
                         (Example: nupst test --debug)
 `);
   }
-  
+
   /**
    * Update NUPST from repository and refresh systemd service
    */
   private async update(): Promise<void> {
     try {
       // Check if running as root
-      this.checkRootAccess('This command must be run as root to update NUPST and refresh the systemd service.');
-      
+      this.checkRootAccess(
+        'This command must be run as root to update NUPST and refresh the systemd service.'
+      );
+
       console.log('┌─ NUPST Update Process ──────────────────┐');
       console.log('│ Updating NUPST from repository...');
-      
+
       // Determine the installation directory (assuming it's either /opt/nupst or the current directory)
       const { existsSync } = await import('fs');
       let installDir = '/opt/nupst';
-      
+
       if (!existsSync(installDir)) {
         // If not installed in /opt/nupst, use the current directory
         const { dirname } = await import('path');
         installDir = dirname(dirname(process.argv[1])); // Go up two levels from the executable
         console.log(`│ Using local installation directory: ${installDir}`);
       }
-      
+
       try {
         // 1. Update the repository
         console.log('│ Pulling latest changes from git repository...');
-        execSync(`cd ${installDir} && git fetch origin && git reset --hard origin/main`, { stdio: 'pipe' });
-        
+        execSync(`cd ${installDir} && git fetch origin && git reset --hard origin/main`, {
+          stdio: 'pipe',
+        });
+
         // 2. Run the install.sh script
         console.log('│ Running install.sh to update NUPST...');
         execSync(`cd ${installDir} && bash ./install.sh`, { stdio: 'pipe' });
-        
+
         // 3. Run the setup.sh script with force flag to update Node.js and dependencies
         console.log('│ Running setup.sh to update Node.js and dependencies...');
         execSync(`cd ${installDir} && bash ./setup.sh --force`, { stdio: 'pipe' });
-        
+
         // 4. Refresh the systemd service
         console.log('│ Refreshing systemd service...');
-        
+
         // First check if service exists
-        const serviceExists = execSync('systemctl list-unit-files | grep nupst.service').toString().includes('nupst.service');
-        
+        let serviceExists = false;
+        try {
+          const output = execSync('systemctl list-unit-files | grep nupst.service').toString();
+          serviceExists = output.includes('nupst.service');
+        } catch (error) {
+          // If grep fails (service not found), serviceExists remains false
+          serviceExists = false;
+        }
+
         if (serviceExists) {
           // Stop the service if it's running
-          const isRunning = execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
+          const isRunning =
+            execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
           if (isRunning) {
             console.log('│ Stopping nupst service...');
             execSync('systemctl stop nupst.service');
           }
-          
+
           // Reinstall the service
           console.log('│ Reinstalling systemd service...');
           await this.nupst.getSystemd().install();
-          
+
           // Restart the service if it was running
           if (isRunning) {
             console.log('│ Restarting nupst service...');
@@ -449,7 +469,7 @@ Options:
           console.log('│ Systemd service not installed, skipping service refresh.');
           console.log('│ Run "nupst enable" to install the service.');
         }
-        
+
         console.log('│ Update completed successfully!');
         console.log('└──────────────────────────────────────────┘');
       } catch (error) {
@@ -463,7 +483,7 @@ Options:
       process.exit(1);
     }
   }
-  
+
   /**
    * Interactive setup for configuring SNMP settings
    */
@@ -471,12 +491,12 @@ Options:
     try {
       // Import readline module (ESM style)
       const readline = await import('readline');
-      
+
       const rl = readline.createInterface({
         input: process.stdin,
-        output: process.stdout
+        output: process.stdout,
       });
-      
+
       // Helper function to prompt for input
       const prompt = (question: string): Promise<string> => {
         return new Promise((resolve) => {
@@ -485,7 +505,7 @@ Options:
           });
         });
       };
-      
+
       try {
         await this.runSetupProcess(prompt);
       } finally {
@@ -504,7 +524,7 @@ Options:
     console.log('\nNUPST Interactive Setup');
     console.log('======================\n');
     console.log('This will guide you through configuring your UPS SNMP settings.\n');
-    
+
     // Try to load existing config if available
     let config;
     try {
@@ -518,24 +538,24 @@ Options:
 
     // Gather SNMP settings
     config = await this.gatherSnmpSettings(config, prompt);
-    
+
     // Gather threshold settings
     config = await this.gatherThresholdSettings(config, prompt);
-    
+
     // Gather UPS model settings
     config = await this.gatherUpsModelSettings(config, prompt);
-    
+
     // Save the configuration
     await this.nupst.getDaemon().saveConfig(config);
-    
+
     this.displayConfigSummary(config);
-    
+
     // Test the connection if requested
     await this.optionallyTestConnection(config, prompt);
-    
+
     // Check if service is running and restart it if needed
     await this.restartServiceIfRunning();
-    
+
     console.log('\nSetup complete!');
     await this.optionallyEnableService(prompt);
   }
@@ -546,18 +566,21 @@ Options:
    * @param prompt Function to prompt for user input
    * @returns Updated configuration
    */
-  private async gatherSnmpSettings(config: any, prompt: (question: string) => Promise<string>): Promise<any> {
+  private async gatherSnmpSettings(
+    config: any,
+    prompt: (question: string) => Promise<string>
+  ): Promise<any> {
     // SNMP IP Address
     const defaultHost = config.snmp.host;
     const host = await prompt(`UPS IP Address [${defaultHost}]: `);
     config.snmp.host = host.trim() || defaultHost;
-    
+
     // SNMP Port
     const defaultPort = config.snmp.port;
     const portInput = await prompt(`SNMP Port [${defaultPort}]: `);
     const port = parseInt(portInput, 10);
-    config.snmp.port = (portInput.trim() && !isNaN(port)) ? port : defaultPort;
-    
+    config.snmp.port = portInput.trim() && !isNaN(port) ? port : defaultPort;
+
     // SNMP Version
     const defaultVersion = config.snmp.version;
     console.log('\nSNMP Version:');
@@ -566,8 +589,11 @@ Options:
     console.log('  3) SNMPv3 (with security features)');
     const versionInput = await prompt(`Select SNMP version [${defaultVersion}]: `);
     const version = parseInt(versionInput, 10);
-    config.snmp.version = (versionInput.trim() && (version === 1 || version === 2 || version === 3)) ? version : defaultVersion;
-    
+    config.snmp.version =
+      versionInput.trim() && (version === 1 || version === 2 || version === 3)
+        ? version
+        : defaultVersion;
+
     if (config.snmp.version === 1 || config.snmp.version === 2) {
       // SNMP Community String (for v1/v2c)
       const defaultCommunity = config.snmp.community || 'public';
@@ -577,7 +603,7 @@ Options:
       // SNMP v3 settings
       config = await this.gatherSnmpV3Settings(config, prompt);
     }
-    
+
     return config;
   }
 
@@ -587,20 +613,27 @@ Options:
    * @param prompt Function to prompt for user input
    * @returns Updated configuration
    */
-  private async gatherSnmpV3Settings(config: any, prompt: (question: string) => Promise<string>): Promise<any> {
+  private async gatherSnmpV3Settings(
+    config: any,
+    prompt: (question: string) => Promise<string>
+  ): Promise<any> {
     console.log('\nSNMPv3 Security Settings:');
-    
+
     // Security Level
     console.log('\nSecurity Level:');
     console.log('  1) noAuthNoPriv (No Authentication, No Privacy)');
     console.log('  2) authNoPriv (Authentication, No Privacy)');
     console.log('  3) authPriv (Authentication and Privacy)');
-    const defaultSecLevel = config.snmp.securityLevel ? 
-      (config.snmp.securityLevel === 'noAuthNoPriv' ? 1 : 
-       config.snmp.securityLevel === 'authNoPriv' ? 2 : 3) : 3;
+    const defaultSecLevel = config.snmp.securityLevel
+      ? config.snmp.securityLevel === 'noAuthNoPriv'
+        ? 1
+        : config.snmp.securityLevel === 'authNoPriv'
+        ? 2
+        : 3
+      : 3;
     const secLevelInput = await prompt(`Select Security Level [${defaultSecLevel}]: `);
     const secLevel = parseInt(secLevelInput, 10) || defaultSecLevel;
-    
+
     if (secLevel === 1) {
       config.snmp.securityLevel = 'noAuthNoPriv';
       // No auth, no priv - clear out authentication and privacy settings
@@ -622,31 +655,33 @@ Options:
       // Set appropriate timeout for security level
       config.snmp.timeout = 15000; // 15 seconds for full encryption
     }
-    
+
     // Username
     const defaultUsername = config.snmp.username || '';
     const username = await prompt(`SNMPv3 Username [${defaultUsername}]: `);
     config.snmp.username = username.trim() || defaultUsername;
-    
+
     if (secLevel >= 2) {
       // Authentication settings
       config = await this.gatherAuthenticationSettings(config, prompt);
-      
+
       if (secLevel === 3) {
         // Privacy settings
         config = await this.gatherPrivacySettings(config, prompt);
       }
-      
+
       // Allow customizing the timeout value
       const defaultTimeout = config.snmp.timeout / 1000; // Convert from ms to seconds for display
-      console.log('\nSNMPv3 operations with authentication and privacy may require longer timeouts.');
+      console.log(
+        '\nSNMPv3 operations with authentication and privacy may require longer timeouts.'
+      );
       const timeoutInput = await prompt(`SNMP Timeout in seconds [${defaultTimeout}]: `);
       const timeout = parseInt(timeoutInput, 10);
       if (timeoutInput.trim() && !isNaN(timeout)) {
         config.snmp.timeout = timeout * 1000; // Convert to ms
       }
     }
-    
+
     return config;
   }
 
@@ -656,21 +691,26 @@ Options:
    * @param prompt Function to prompt for user input
    * @returns Updated configuration
    */
-  private async gatherAuthenticationSettings(config: any, prompt: (question: string) => Promise<string>): Promise<any> {
+  private async gatherAuthenticationSettings(
+    config: any,
+    prompt: (question: string) => Promise<string>
+  ): Promise<any> {
     // Authentication protocol
     console.log('\nAuthentication Protocol:');
     console.log('  1) MD5');
     console.log('  2) SHA');
     const defaultAuthProtocol = config.snmp.authProtocol === 'SHA' ? 2 : 1;
-    const authProtocolInput = await prompt(`Select Authentication Protocol [${defaultAuthProtocol}]: `);
+    const authProtocolInput = await prompt(
+      `Select Authentication Protocol [${defaultAuthProtocol}]: `
+    );
     const authProtocol = parseInt(authProtocolInput, 10) || defaultAuthProtocol;
     config.snmp.authProtocol = authProtocol === 2 ? 'SHA' : 'MD5';
-    
+
     // Authentication Key/Password
     const defaultAuthKey = config.snmp.authKey || '';
     const authKey = await prompt(`Authentication Password ${defaultAuthKey ? '[*****]' : ''}: `);
     config.snmp.authKey = authKey.trim() || defaultAuthKey;
-    
+
     return config;
   }
 
@@ -680,7 +720,10 @@ Options:
    * @param prompt Function to prompt for user input
    * @returns Updated configuration
    */
-  private async gatherPrivacySettings(config: any, prompt: (question: string) => Promise<string>): Promise<any> {
+  private async gatherPrivacySettings(
+    config: any,
+    prompt: (question: string) => Promise<string>
+  ): Promise<any> {
     // Privacy protocol
     console.log('\nPrivacy Protocol:');
     console.log('  1) DES');
@@ -689,12 +732,12 @@ Options:
     const privProtocolInput = await prompt(`Select Privacy Protocol [${defaultPrivProtocol}]: `);
     const privProtocol = parseInt(privProtocolInput, 10) || defaultPrivProtocol;
     config.snmp.privProtocol = privProtocol === 2 ? 'AES' : 'DES';
-    
+
     // Privacy Key/Password
     const defaultPrivKey = config.snmp.privKey || '';
     const privKey = await prompt(`Privacy Password ${defaultPrivKey ? '[*****]' : ''}: `);
     config.snmp.privKey = privKey.trim() || defaultPrivKey;
-    
+
     return config;
   }
 
@@ -704,33 +747,43 @@ Options:
    * @param prompt Function to prompt for user input
    * @returns Updated configuration
    */
-  private async gatherThresholdSettings(config: any, prompt: (question: string) => Promise<string>): Promise<any> {
+  private async gatherThresholdSettings(
+    config: any,
+    prompt: (question: string) => Promise<string>
+  ): Promise<any> {
     console.log('\nShutdown Thresholds:');
-    
+
     // Battery threshold
     const defaultBatteryThreshold = config.thresholds.battery;
-    const batteryThresholdInput = await prompt(`Battery percentage threshold [${defaultBatteryThreshold}%]: `);
+    const batteryThresholdInput = await prompt(
+      `Battery percentage threshold [${defaultBatteryThreshold}%]: `
+    );
     const batteryThreshold = parseInt(batteryThresholdInput, 10);
-    config.thresholds.battery = (batteryThresholdInput.trim() && !isNaN(batteryThreshold)) 
-      ? batteryThreshold 
-      : defaultBatteryThreshold;
-    
+    config.thresholds.battery =
+      batteryThresholdInput.trim() && !isNaN(batteryThreshold)
+        ? batteryThreshold
+        : defaultBatteryThreshold;
+
     // Runtime threshold
     const defaultRuntimeThreshold = config.thresholds.runtime;
-    const runtimeThresholdInput = await prompt(`Runtime minutes threshold [${defaultRuntimeThreshold} minutes]: `);
+    const runtimeThresholdInput = await prompt(
+      `Runtime minutes threshold [${defaultRuntimeThreshold} minutes]: `
+    );
     const runtimeThreshold = parseInt(runtimeThresholdInput, 10);
-    config.thresholds.runtime = (runtimeThresholdInput.trim() && !isNaN(runtimeThreshold)) 
-      ? runtimeThreshold 
-      : defaultRuntimeThreshold;
-    
+    config.thresholds.runtime =
+      runtimeThresholdInput.trim() && !isNaN(runtimeThreshold)
+        ? runtimeThreshold
+        : defaultRuntimeThreshold;
+
     // Check interval
     const defaultInterval = config.checkInterval / 1000; // Convert from ms to seconds for display
     const intervalInput = await prompt(`Check interval in seconds [${defaultInterval}]: `);
     const interval = parseInt(intervalInput, 10);
-    config.checkInterval = (intervalInput.trim() && !isNaN(interval)) 
-      ? interval * 1000 // Convert to ms
-      : defaultInterval * 1000;
-    
+    config.checkInterval =
+      intervalInput.trim() && !isNaN(interval)
+        ? interval * 1000 // Convert to ms
+        : defaultInterval * 1000;
+
     return config;
   }
 
@@ -740,7 +793,10 @@ Options:
    * @param prompt Function to prompt for user input
    * @returns Updated configuration
    */
-  private async gatherUpsModelSettings(config: any, prompt: (question: string) => Promise<string>): Promise<any> {
+  private async gatherUpsModelSettings(
+    config: any,
+    prompt: (question: string) => Promise<string>
+  ): Promise<any> {
     console.log('\nUPS Model Selection:');
     console.log('  1) CyberPower');
     console.log('  2) APC');
@@ -748,17 +804,25 @@ Options:
     console.log('  4) TrippLite');
     console.log('  5) Liebert/Vertiv');
     console.log('  6) Custom (Advanced)');
-    
-    const defaultModelValue = config.snmp.upsModel === 'cyberpower' ? 1 :
-                           config.snmp.upsModel === 'apc' ? 2 :
-                           config.snmp.upsModel === 'eaton' ? 3 :
-                           config.snmp.upsModel === 'tripplite' ? 4 :
-                           config.snmp.upsModel === 'liebert' ? 5 : 
-                           config.snmp.upsModel === 'custom' ? 6 : 1;
-                           
+
+    const defaultModelValue =
+      config.snmp.upsModel === 'cyberpower'
+        ? 1
+        : config.snmp.upsModel === 'apc'
+        ? 2
+        : config.snmp.upsModel === 'eaton'
+        ? 3
+        : config.snmp.upsModel === 'tripplite'
+        ? 4
+        : config.snmp.upsModel === 'liebert'
+        ? 5
+        : config.snmp.upsModel === 'custom'
+        ? 6
+        : 1;
+
     const modelInput = await prompt(`Select UPS model [${defaultModelValue}]: `);
     const modelValue = parseInt(modelInput, 10) || defaultModelValue;
-    
+
     if (modelValue === 1) {
       config.snmp.upsModel = 'cyberpower';
     } else if (modelValue === 2) {
@@ -773,20 +837,20 @@ Options:
       config.snmp.upsModel = 'custom';
       console.log('\nEnter custom OIDs for your UPS:');
       console.log('(Leave blank to use standard RFC 1628 OIDs as fallback)');
-      
+
       // Custom OIDs
       const powerStatusOID = await prompt('Power Status OID: ');
       const batteryCapacityOID = await prompt('Battery Capacity OID: ');
       const batteryRuntimeOID = await prompt('Battery Runtime OID: ');
-      
+
       // Create custom OIDs object
       config.snmp.customOIDs = {
         POWER_STATUS: powerStatusOID.trim(),
         BATTERY_CAPACITY: batteryCapacityOID.trim(),
-        BATTERY_RUNTIME: batteryRuntimeOID.trim()
+        BATTERY_RUNTIME: batteryRuntimeOID.trim(),
       };
     }
-    
+
     return config;
   }
 
@@ -799,8 +863,10 @@ Options:
     console.log(`│ SNMP Host: ${config.snmp.host}:${config.snmp.port}`);
     console.log(`│ SNMP Version: ${config.snmp.version}`);
     console.log(`│ UPS Model: ${config.snmp.upsModel}`);
-    console.log(`│ Thresholds: ${config.thresholds.battery}% battery, ${config.thresholds.runtime} min runtime`);
-    console.log(`│ Check Interval: ${config.checkInterval/1000} seconds`);
+    console.log(
+      `│ Thresholds: ${config.thresholds.battery}% battery, ${config.thresholds.runtime} min runtime`
+    );
+    console.log(`│ Check Interval: ${config.checkInterval / 1000} seconds`);
     console.log('└──────────────────────────────────────────┘\n');
   }
 
@@ -809,17 +875,22 @@ Options:
    * @param config Current configuration
    * @param prompt Function to prompt for user input
    */
-  private async optionallyTestConnection(config: any, prompt: (question: string) => Promise<string>): Promise<void> {
-    const testConnection = await prompt('Would you like to test the connection to your UPS? (y/N): ');
+  private async optionallyTestConnection(
+    config: any,
+    prompt: (question: string) => Promise<string>
+  ): Promise<void> {
+    const testConnection = await prompt(
+      'Would you like to test the connection to your UPS? (y/N): '
+    );
     if (testConnection.toLowerCase() === 'y') {
       console.log('\nTesting connection to UPS...');
       try {
         // Create a test config with a short timeout
-        const testConfig = { 
+        const testConfig = {
           ...config.snmp,
-          timeout: Math.min(config.snmp.timeout, 10000) // Use at most 10 seconds for testing
+          timeout: Math.min(config.snmp.timeout, 10000), // Use at most 10 seconds for testing
         };
-        
+
         const status = await this.nupst.getSnmp().getUpsStatus(testConfig);
         console.log('\n┌─ Connection Successful! ─────────────────┐');
         console.log('│ UPS Status:');
@@ -843,14 +914,15 @@ Options:
   private async restartServiceIfRunning(): Promise<void> {
     try {
       // Check if the service is active
-      const isActive = execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
-      
+      const isActive =
+        execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
+
       if (isActive) {
         // Service is running, restart it
         console.log('┌─ Service Update ─────────────────────────┐');
         console.log('│ Configuration has changed.');
         console.log('│ Restarting NUPST service to apply changes...');
-        
+
         try {
           if (process.getuid && process.getuid() === 0) {
             // We have root access, restart directly
@@ -866,7 +938,7 @@ Options:
           console.log('│ You may need to restart the service manually:');
           console.log('│   sudo systemctl restart nupst.service');
         }
-        
+
         console.log('└──────────────────────────────────────────┘');
       }
     } catch (error) {
@@ -878,18 +950,24 @@ Options:
    * Optionally enable and start systemd service
    * @param prompt Function to prompt for user input
    */
-  private async optionallyEnableService(prompt: (question: string) => Promise<string>): Promise<void> {
+  private async optionallyEnableService(
+    prompt: (question: string) => Promise<string>
+  ): Promise<void> {
     if (process.getuid && process.getuid() !== 0) {
       console.log('\nNote: Run "sudo nupst enable" to set up NUPST as a system service.');
     } else {
-      const setupService = await prompt('Would you like to enable NUPST as a system service? (y/N): ');
+      const setupService = await prompt(
+        'Would you like to enable NUPST as a system service? (y/N): '
+      );
       if (setupService.toLowerCase() === 'y') {
         try {
           await this.nupst.getSystemd().install();
           console.log('Service installed and enabled to start on boot.');
-          
+
           // Ask if the user wants to start the service now
-          const startService = await prompt('Would you like to start the NUPST service now? (Y/n): ');
+          const startService = await prompt(
+            'Would you like to start the NUPST service now? (Y/n): '
+          );
           if (startService.toLowerCase() !== 'n') {
             await this.nupst.getSystemd().start();
             console.log('NUPST service started successfully.');
@@ -902,7 +980,7 @@ Options:
       }
     }
   }
-  
+
   /**
    * Display the current configuration
    */
@@ -914,68 +992,75 @@ Options:
       } catch (error) {
         console.error('┌─ Configuration Error ─────────────────────┐');
         console.error('│ No configuration found.');
-        console.error('│ Please run \'nupst setup\' first to create a configuration.');
+        console.error("│ Please run 'nupst setup' first to create a configuration.");
         console.error('└──────────────────────────────────────────┘');
         return;
       }
-      
+
       // Get current configuration
       const config = this.nupst.getDaemon().getConfig();
-      
+
       console.log('┌─ NUPST Configuration ──────────────────────┐');
-      
+
       // SNMP Settings
       console.log('│ SNMP Settings:');
       console.log(`│   Host: ${config.snmp.host}`);
       console.log(`│   Port: ${config.snmp.port}`);
       console.log(`│   Version: ${config.snmp.version}`);
       console.log(`│   UPS Model: ${config.snmp.upsModel || 'cyberpower'}`);
-      
+
       if (config.snmp.version === 1 || config.snmp.version === 2) {
         console.log(`│   Community: ${config.snmp.community}`);
       } else if (config.snmp.version === 3) {
         console.log(`│   Security Level: ${config.snmp.securityLevel}`);
         console.log(`│   Username: ${config.snmp.username}`);
-        
+
         // Show auth and privacy details based on security level
-        if (config.snmp.securityLevel === 'authNoPriv' || config.snmp.securityLevel === 'authPriv') {
+        if (
+          config.snmp.securityLevel === 'authNoPriv' ||
+          config.snmp.securityLevel === 'authPriv'
+        ) {
           console.log(`│   Auth Protocol: ${config.snmp.authProtocol || 'None'}`);
         }
-        
+
         if (config.snmp.securityLevel === 'authPriv') {
           console.log(`│   Privacy Protocol: ${config.snmp.privProtocol || 'None'}`);
         }
-        
+
         // Show timeout value
         console.log(`│   Timeout: ${config.snmp.timeout / 1000} seconds`);
       }
-      
+
       // Show OIDs if custom model is selected
       if (config.snmp.upsModel === 'custom' && config.snmp.customOIDs) {
         console.log('│ Custom OIDs:');
         console.log(`│   Power Status: ${config.snmp.customOIDs.POWER_STATUS || 'Not set'}`);
-        console.log(`│   Battery Capacity: ${config.snmp.customOIDs.BATTERY_CAPACITY || 'Not set'}`);
+        console.log(
+          `│   Battery Capacity: ${config.snmp.customOIDs.BATTERY_CAPACITY || 'Not set'}`
+        );
         console.log(`│   Battery Runtime: ${config.snmp.customOIDs.BATTERY_RUNTIME || 'Not set'}`);
       }
-      
+
       // Thresholds
       console.log('│ Thresholds:');
       console.log(`│   Battery: ${config.thresholds.battery}%`);
       console.log(`│   Runtime: ${config.thresholds.runtime} minutes`);
       console.log(`│ Check Interval: ${config.checkInterval / 1000} seconds`);
-      
+
       // Configuration file location
       console.log('│');
       console.log('│ Configuration File Location:');
       console.log('│   /etc/nupst/config.json');
-      
+
       console.log('└──────────────────────────────────────────┘');
-      
+
       // Show service status
       try {
-        const isActive = execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
-        const isEnabled = execSync('systemctl is-enabled nupst.service || true').toString().trim() === 'enabled';
-        
+        const isActive =
+          execSync('systemctl is-active nupst.service || true').toString().trim() === 'active';
+        const isEnabled =
+          execSync('systemctl is-enabled nupst.service || true').toString().trim() === 'enabled';
+
         console.log('┌─ Service Status ─────────────────────────┐');
         console.log(`│ Service Active: ${isActive ? 'Yes' : 'No'}`);
         console.log(`│ Service Enabled: ${isEnabled ? 'Yes' : 'No'}`);
@@ -983,7 +1068,6 @@ Options:
       } catch (error) {
         // Ignore errors checking service status
       }
-      
     } catch (error) {
       console.error(`Failed to display configuration: ${error.message}`);
     }
@@ -999,12 +1083,12 @@ Options:
     try {
       // Import readline module for user input
       const readline = await import('readline');
-      
+
       const rl = readline.createInterface({
         input: process.stdin,
-        output: process.stdout
+        output: process.stdout,
       });
-      
+
       // Helper function to prompt for input
       const prompt = (question: string): Promise<string> => {
         return new Promise((resolve) => {
@@ -1019,11 +1103,13 @@ Options:
       console.log('This will completely remove NUPST from your system.\n');
 
       // Ask about removing configuration
-      const removeConfig = await prompt('Do you want to remove the NUPST configuration files? (y/N): ');
-      
+      const removeConfig = await prompt(
+        'Do you want to remove the NUPST configuration files? (y/N): '
+      );
+
       // Find the uninstall.sh script location
       let uninstallScriptPath: string;
-      
+
       // Try to determine script location based on executable path
       try {
         // For ESM, we can use import.meta.url, but since we might be in CJS
@@ -1031,16 +1117,13 @@ Options:
         const binPath = process.argv[1];
         const modulePath = dirname(dirname(binPath));
         uninstallScriptPath = join(modulePath, 'uninstall.sh');
-        
+
         // Check if the script exists
         await fs.access(uninstallScriptPath);
       } catch (error) {
         // If we can't find it in the expected location, try common installation paths
-        const commonPaths = [
-          '/opt/nupst/uninstall.sh',
-          join(process.cwd(), 'uninstall.sh')
-        ];
-        
+        const commonPaths = ['/opt/nupst/uninstall.sh', join(process.cwd(), 'uninstall.sh')];
+
         for (const path of commonPaths) {
           try {
             await fs.access(path);
@@ -1050,37 +1133,36 @@ Options:
             // Continue to next path
           }
         }
-        
+
         if (!uninstallScriptPath) {
           console.error('Could not locate uninstall.sh script. Aborting uninstall.');
           rl.close();
           process.exit(1);
         }
       }
-      
+
       // Close readline before executing script
       rl.close();
-      
+
       // Execute uninstall.sh with the appropriate option
       console.log(`\nRunning uninstaller from ${uninstallScriptPath}...`);
-      
+
       // Pass the configuration removal option as an environment variable
       const env = {
         ...process.env,
         REMOVE_CONFIG: removeConfig.toLowerCase() === 'y' ? 'yes' : 'no',
-        REMOVE_REPO: 'yes',  // Always remove repo as requested
-        NUPST_CLI_CALL: 'true'  // Flag to indicate this is being called from CLI
+        REMOVE_REPO: 'yes', // Always remove repo as requested
+        NUPST_CLI_CALL: 'true', // Flag to indicate this is being called from CLI
       };
-      
+
       // Run the uninstall script with sudo
-      execSync(`sudo bash ${uninstallScriptPath}`, { 
+      execSync(`sudo bash ${uninstallScriptPath}`, {
         env,
-        stdio: 'inherit'  // Show output in the terminal
+        stdio: 'inherit', // Show output in the terminal
       });
-      
     } catch (error) {
       console.error(`Uninstall failed: ${error.message}`);
       process.exit(1);
     }
   }
-}
\ No newline at end of file
+}
diff --git a/ts/snmp/manager.ts b/ts/snmp/manager.ts
index 17d153b..22a607c 100644
--- a/ts/snmp/manager.ts
+++ b/ts/snmp/manager.ts
@@ -1,4 +1,3 @@
-import * as dgram from 'dgram';
 import * as snmp from 'net-snmp';
 import type { IOidSet, ISnmpConfig, TUpsModel, IUpsStatus } from './types.js';
 import { UpsOidSets } from './oid-sets.js';