Revamp stage one - individual account and account setup fixed

kifi-app/lib/core/network/dio_client.dart

@@ -15,8 +15,8 @@ class DioClient {
 
   DioClient._internal()
       : dio = Dio(BaseOptions(
-          baseUrl: 'https://app.technobeesolutions.in/api/kifi-v2',
-          //baseUrl: 'http://192.168.0.104:8080/api/kifi-v2', // Local Mac IP for physical device testing
+          //baseUrl: 'https://app.technobeesolutions.in/api/kifi-v2',
+          baseUrl: 'http://192.168.0.104:8080/api/kifi-v2', // Local Mac IP for physical device testing
           connectTimeout: const Duration(seconds: 10),
           receiveTimeout: const Duration(seconds: 10),
         )),

kifi-app/lib/core/security/crypto_service.dart

@@ -35,4 +35,8 @@ class CryptoService {
   }
 
   bool get isInitialized => _publicKey != null;
+
+  void clearKey() {
+    _publicKey = null;
+  }
 }

kifi-app/lib/core/utils/masking_utils.dart

@@ -0,0 +1,21 @@
+class MaskingUtils {
+  static String maskMobile(String mobile) {
+    if (mobile.length < 4) return mobile;
+    return 'XXXXXX${mobile.substring(mobile.length - 4)}';
+  }
+
+  static String maskPan(String pan) {
+    if (pan.length < 4) return pan;
+    return '${pan.substring(0, 2)}XXXXXX${pan.substring(pan.length - 2)}';
+  }
+
+  static String maskGst(String gst) {
+    if (gst.length < 4) return gst;
+    return '${gst.substring(0, 2)}XXXXXXXXXX${gst.substring(gst.length - 3)}';
+  }
+
+  static String maskMsme(String msme) {
+    if (msme.length < 4) return msme;
+    return '${msme.substring(0, 4)}XXXX${msme.substring(msme.length - 4)}';
+  }
+}