B1CompactTargetMemory

• Compact subset of target memory for lightweight UI updates.
  * Only stores TargetEntity, MemoryDtId, bIsUnread, and MoodScore.

Property	Type	Description	Metadata
TargetEntityId	FB1EntityId	Entity ID of the target this memory is about.
MemoryDtId	FName	Data table row ID of the memory definition.
bIsUnread	bool	Whether this memory has not yet been read in the UI.
MoodScore	float	Accumulated mood score for this memory (positive or negative).