diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 0000000..23c8be9
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1,26 @@
+# Dependencies
+node_modules/
+dist/
+pkg/
+
+# Build outputs
+*.js
+*.d.ts
+!eslint.config.js
+
+# Config files
+vite.config.ts
+tsconfig.json
+tsconfig.build.json
+
+# Test files
+**/*.test.ts
+**/*.spec.ts
+
+# Generated files
+coverage/
+.nyc_output/
+
+# Logs
+logs/
+*.log
diff --git a/src/services/device-reader.service.ts b/src/services/device-reader.service.ts
index a1b4eac..44829f2 100644
--- a/src/services/device-reader.service.ts
+++ b/src/services/device-reader.service.ts
@@ -4,6 +4,8 @@
  */
 
 import { DATABASE_CONFIG } from './database-config';
+import { SecureCredentialsService } from './secure-credentials.service';
+import { EncryptionService } from './encryption.service';
 
 // Type simplifié pour éviter les problèmes d'import du SDK
 export interface Device {
@@ -67,13 +69,11 @@ export class DeviceReaderService {
         console.log('🔐 DeviceReaderService: Device found in encrypted format, decrypting...');
 
         // Get the PBKDF2 key based on security mode
-        const { SecureCredentialsService } = await import('./secure-credentials.service');
         const secureCredentialsService = SecureCredentialsService.getInstance();
 
         // Get all security modes to find which one works
         const allSecurityModes = ['none', 'otp', 'password', 'os', 'proton-pass'];
         let pbkdf2Key: string | null = null;
-        let workingMode: string | null = null;
 
         for (const mode of allSecurityModes) {
           try {
@@ -82,7 +82,6 @@ export class DeviceReaderService {
               const key = await secureCredentialsService.retrievePBKDF2Key(mode as any);
               if (key) {
                 pbkdf2Key = key;
-                workingMode = mode;
                 console.log(`✅ DeviceReaderService: PBKDF2 key found for mode: ${mode}`);
                 break;
               }
@@ -99,7 +98,6 @@ export class DeviceReaderService {
         }
 
         // Decrypt the device
-        const { EncryptionService } = await import('./encryption.service');
         const encryptionService = EncryptionService.getInstance();
         const decryptedDeviceString = await encryptionService.decrypt(
           dbRes['encrypted_device'],