update propertynames

proto/cart_actor.proto

@@ -109,33 +109,32 @@ message OrderCompletedRequest {
   OrderCreated payload = 10;
 }
 
-// -----------------------------------------------------------------------------
-// Cart state snapshot (unchanged from v1 except envelope removal context)
-// -----------------------------------------------------------------------------
+// Excerpt: updated messages for camelCase JSON output
 message CartState {
-  string cart_id = 1;
+  string id = 1;                         // was cart_id
   repeated CartItemState items = 2;
-  int64 total_price = 3;
-  int64 total_tax = 4;
-  int64 total_discount = 5;
+  int64 totalPrice = 3;                  // was total_price
+  int64 totalTax = 4;                    // was total_tax
+  int64 totalDiscount = 5;               // was total_discount
   repeated DeliveryState deliveries = 6;
-  bool payment_in_progress = 7;
-  string order_reference = 8;
-  string payment_status = 9;
+  bool paymentInProgress = 7;            // was payment_in_progress
+  string orderReference = 8;             // was order_reference
+  string paymentStatus = 9;              // was payment_status
+  bool processing = 10;                  // NEW (mirrors legacy CartGrain.processing)
 }
 
 message CartItemState {
   int64 id = 1;
-  int64 source_item_id = 2;
+  int64 itemId = 2;                      // was source_item_id
   string sku = 3;
   string name = 4;
-  int64 unit_price = 5;
-  int32 quantity = 6;
-  int64 total_price = 7;
-  int64 total_tax = 8;
-  int64 org_price = 9;
-  int32 tax_rate = 10;
-  int64 total_discount = 11;
+  int64 price = 5;                       // was unit_price
+  int32 qty = 6;                         // was quantity
+  int64 totalPrice = 7;                  // was total_price
+  int64 totalTax = 8;                    // was total_tax
+  int64 orgPrice = 9;                    // was org_price
+  int32 taxRate = 10;                    // was tax_rate
+  int64 totalDiscount = 11;
   string brand = 12;
   string category = 13;
   string category2 = 14;
@@ -143,12 +142,12 @@ message CartItemState {
   string category4 = 16;
   string category5 = 17;
   string image = 18;
-  string article_type = 19;
-  string seller_id = 20;
-  string seller_name = 21;
+  string type = 19;                      // was article_type
+  string sellerId = 20;                  // was seller_id
+  string sellerName = 21;                // was seller_name
   string disclaimer = 22;
   string outlet = 23;
-  string store_id = 24;
+  string storeId = 24;                   // was store_id
   int32 stock = 25;
 }
 
@@ -156,8 +155,8 @@ message DeliveryState {
   int64 id = 1;
   string provider = 2;
   int64 price = 3;
-  repeated int64 item_ids = 4;
-  PickupPoint pickup_point = 5; // Defined in messages.proto
+  repeated int64 items = 4;              // was item_ids
+  PickupPoint pickupPoint = 5;           // was pickup_point
 }
 
 // (CheckoutRequest / CheckoutReply removed - checkout handled at HTTP layer)