Delete row ('default', 'mem_5f778bb14dc6', 'project_context', '["llm","semantic_extract","project_context","itinerary","trip_context","class:personal_semantic","curated"]', 'San Francisco trip plan: Airbnb in San Jose; arrive 12:30pm today; aim to reach San Jose by 4pm for check-in; party Saturday 5pm–9pm; free time Sunday daytime.') from memory_items_fts