feat: update Protobuf definitions and add customer-facing APIs for various services

src/CMSMicroservice.Protobuf/Protos/package.proto

@@ -226,6 +226,7 @@ message GetUserPackageStatusResponse
 message InitiateBasePackagePaymentRequest
 {
     int64 user_id = 1;
+    string callback_url = 2; // Payment gateway callback URL
 }
 
 message InitiateBasePackagePaymentResponse
@@ -235,6 +236,7 @@ message InitiateBasePackagePaymentResponse
     int64 order_id = 3;
     int64 transaction_id = 4;
     int64 amount = 5;
+    string payment_gateway_url = 6;
 }
 
 message VerifyBasePackagePaymentRequest
@@ -267,7 +269,7 @@ message GetCustomerPackagesRequest
 
 message GetCustomerPackagesResponse 
 {
-    repeated CustomerPackageModel packages = 1;
+    repeated CustomerPackageModel models = 1;
 }
 
 message GetCustomerPackageDetailsRequest 
@@ -277,9 +279,13 @@ message GetCustomerPackageDetailsRequest
 
 message GetCustomerPackageDetailsResponse 
 {
-    CustomerPackageModel package = 1;
-    repeated PackageFeature features = 2;
-    PurchaseRequirements requirements = 3;
+    int64 id = 1;
+    string title = 2;
+    string description = 3;
+    int64 price = 4;
+    google.protobuf.StringValue image_path = 5;
+    repeated PackageFeature features = 6;
+    PurchaseRequirements requirements = 7;
 }
 
 message CustomerPurchasePackageRequest 
@@ -342,6 +348,8 @@ message CustomerPackageModel
     int32 validity_days = 9;
     bool is_popular = 10;
     string short_description = 11;
+    string title = 12; // Alias for frontend compatibility (uses name)
+    string image_path = 13; // Alias for frontend compatibility (uses image_url)
 }
 
 message PackageFeature