If you give an agent a SQL_Write tool, how do you prevent it from accidentally executing a DROP TABLE command?

How does the "Extraction, Transformation, and Loading" process differ when preparing data for a Vector Database versus a traditional SQL database?

In a deployed agent system, prompts and policies evolve frequently. How would you version and safely roll out prompt changes? How would you design rollback mechanisms if a new prompt causes regressions?

How do you implement "Long-Term Memory" for an agent so it remembers a user's preference from a conversation that happened three weeks ago?