Day 22 (04:00): session wrap-up

Author: Test User

src/backend/performance_baseline.json

@@ -1,10 +1,10 @@
 {
-  "upload_1000_rows_ms": 79.3,
-  "correlations_ms": 2.6,
-  "train_linear_regression_ms": 98.6,
-  "single_prediction_ms": 26.4,
-  "upload_200_rows_ms": 47.8,
-  "profile_cached_ms": 2.2,
-  "feature_suggestions_ms": 3.6,
-  "recommendations_ms": 3.0
+  "upload_1000_rows_ms": 49.8,
+  "correlations_ms": 1.4,
+  "train_linear_regression_ms": 71.9,
+  "single_prediction_ms": 12.7,
+  "upload_200_rows_ms": 44.5,
+  "profile_cached_ms": 1.1,
+  "feature_suggestions_ms": 3.8,
+  "recommendations_ms": 2.6
 }