chore: Remove unnecessary comments from profile command, trade interaction handler, inventory service, and scheduler.

src/modules/inventory/inventory.service.ts

@@ -120,13 +120,6 @@ export const inventoryService = {
             // Deduct Balance using economy service (passing tx ensures atomicity)
             await economyService.modifyUserBalance(userId, -totalPrice, 'PURCHASE', `Bought ${quantity}x ${item.name}`, txFn);
 
-            // Add Item (using local logic to keep in same tx, or could refactor addItem to take tx too and call it)
-            // Let's refactor addItem below to accept tx, then call it here?
-            // Since we are modifying buyItem, we can just inline the item addition or call addItem if we update it.
-            // Let's assume we update addItem next. For now, inline the add logic but cleaner.
-
-            // Add Item using inner logic or self-call if we refactor properly. 
-            // Calling addItem directly within the same transaction scope:
             await inventoryService.addItem(userId, itemId, quantity, txFn);
 
             return { success: true, item, totalPrice };