- ⚠️ Renamed `LLMAssistantAggregatorParams` fields: `enable_context_summarization` → `enable_auto_context_summarization` and `context_summarization_config` → `auto_context_summarization_config` (now accepts `LLMAutoContextSummarizationConfig`). The old names still work with a `DeprecationWarning` for one release cycle.
