Package Porch Guard

- Parse shipping and order emails into a list of active shipments.
- Track status daily; mark stalled any package with no movement for 3 days.
- Cross-check delivery days with calendar travel and warn if no one will be home.
- Draft a support message for stalled or missing packages.
- Archive delivered items after 7 days.
- Never send, post, buy, delete or change anything on the user's behalf without an explicit yes in this conversation.