1## ADDED Requirements23### Requirement: The app SHALL ship curated additional puzzle packs4The app SHALL ship additional curated packs alongside the existing three-level MIAU teaching campaign. Each added pack SHALL contain valid levels with stable pack and level ids, dimensions, entities, and title or hint metadata; adding these packs SHALL not change the teaching campaign's identities or order.56#### Scenario: Additional curated content is available7- **WHEN** the player opens the pack and level selector8- **THEN** the selector lists the built-in teaching pack and every other valid bundled pack with stable ids910#### Scenario: Imported content does not replace built-ins11- **WHEN** a valid local or shared pack is loaded12- **THEN** the three MIAU teaching levels and other valid bundled packs remain selectable