- Add name field to Session domain model (optional human-readable name)
- Add name column to SessionModel ORM (database schema)
- Update to_domain and from_domain methods to handle name field
- Add Name column to session list rich table
- Add Most Recent, Oldest, and Storage fields to Summary panel
- Add trailing '✓ OK N sessions listed' message
- Truncate session IDs in table for readability (first 8 chars)
Fixes#1511