add robbiemu submission for unit1

submissions.json

@@ -111,6 +111,13 @@
             "chapter": "1",
             "submission_date": "2025-10-06",
             "results-dataset": "ocaetas/details_SmolLM3-Custom-SFT__merged_model_private"
+        },
+        {
+            "username": "robbiemu",
+            "model_name": "smollm3-sft-math-tuned",
+            "chapter": "1",
+            "submission_date": "2025-10-18",
+            "results-dataset": "robbiemu/details_robbiemu__smollm3-sft-math-tuned_private"
         }
     ]
 }