Deliver model-backed saved commands with keyboard execution and ranked favorites.
Acceptance criteria:
- Commands and favorites survive restart.
- Quicklink arguments are URL-encoded and unsafe schemes are rejected.
- Snippets and calculator results copy exactly.
- Create, edit and delete saved commands through native UI.
- Validation errors preserve the entered data.
Blocked by: native model support; launcher activation qualification.
Reference: docs/planning/v1.md