Enhanced memory management with staleness tracking and explicit forget guidance

What Changed

Memory management improved with timestamp-based staleness tracking. Enhanced memory_forget usage guidance with explicit staleness indicators. Improved auto-memory extraction quality.

Operator Implication

Operators deploying long-running agents benefit from clearer memory lifecycle management. Timestamp-based staleness helps agents distinguish fresh vs. stale context.

Receipt

• v1.19 release notes under Additional Updates: 'Memory improvements'. Commit messages: 'Guide memory staleness with timestamps', 'more explicit memory_forget usa