[scrobbles] Add basic sentiment analysis

vrobbler/apps/scrobbles/models.py

@@ -882,8 +882,14 @@ class Scrobble(TimeStampedModel):
                 logger.warning("Log data could not be loaded", e)
                 return logdata_cls()
 
+        # Strip log-only keys (stored in JSONField but not part of LogData dataclass)
+        logdata_kwargs = {
+            k: v for k, v in log_dict.items()
+            if k in logdata_cls.__dataclass_fields__
+        }
+
         try:
-            return logdata_cls(**log_dict)
+            return logdata_cls(**logdata_kwargs)
         except ParseError as e:
             logger.warning(
                 "Could not parse log data",