Update logger.py

logger.py

@@ -0,0 +1,17 @@
+import csv
+from datetime import datetime
+
+def log_feedback(query, context, evo_output, feedback):
+    row = {
+        "timestamp": datetime.utcnow().isoformat(),
+        "query": query,
+        "context": context,
+        "evo_output": evo_output,
+        "feedback": feedback
+    }
+
+    with open("feedback_log.csv", mode="a", newline="", encoding="utf-8") as file:
+        writer = csv.DictWriter(file, fieldnames=row.keys())
+        if file.tell() == 0:
+            writer.writeheader()
+        writer.writerow(row)