Fix variable name conflict in gpt_service.py - email field was getting dict instead of string

backend/app/gpt_service.py

@@ -225,26 +225,26 @@ If sender_name is not provided, use "Alex Thompson" as the sender name."""
             })
         
         # Replace template variables in all emails
-        for email in emails:
-            email["body"] = email["body"].replace("{{first_name}}", first_name)
-            email["body"] = email["body"].replace("{{company}}", company)
-            email["body"] = email["body"].replace("{{sender_name}}", "Alex Thompson")
-            email["subject"] = email["subject"].replace("{{first_name}}", first_name)
-            email["subject"] = email["subject"].replace("{{company}}", company)
-            email["subject"] = email["subject"].replace("{{sender_name}}", "Alex Thompson")
+        for email_data in emails:
+            email_data["body"] = email_data["body"].replace("{{first_name}}", first_name)
+            email_data["body"] = email_data["body"].replace("{{company}}", company)
+            email_data["body"] = email_data["body"].replace("{{sender_name}}", "Alex Thompson")
+            email_data["subject"] = email_data["subject"].replace("{{first_name}}", first_name)
+            email_data["subject"] = email_data["subject"].replace("{{company}}", company)
+            email_data["subject"] = email_data["subject"].replace("{{sender_name}}", "Alex Thompson")
         
         # Return list of email sequences
         return [{
             "first_name": first_name,
             "last_name": last_name,
-            "email": email,
+            "email": email,  # This is the contact's email address (string)
             "company": company,
             "title": title,
             "product": product_name,
-            "email_number": email["email_number"],
-            "subject": email["subject"],
-            "email_content": email["body"]
-        } for email in emails]
+            "email_number": email_data["email_number"],
+            "subject": email_data["subject"],
+            "email_content": email_data["body"]
+        } for email_data in emails]
         
     except Exception as e:
         print(f"Error generating sequence: {e}")