17 lines
572 B
Markdown
17 lines
572 B
Markdown
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# Spec Delta
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## ADDED Requirements
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### Requirement: Additional built-in patterns are available
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The system SHALL provide additional built-in patterns (Beacon, Loaf, Boat, Tub, R-pentomino, Acorn) selectable via keys 5-0.
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#### Scenario: Select beacon
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- **WHEN** the user triggers `select:beacon`
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- **THEN** a beacon preview is shown
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### Requirement: New patterns support rotation
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The system SHALL support 90-degree rotation for all new patterns.
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#### Scenario: Rotate new pattern
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- **WHEN** the user rotates a new pattern preview
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- **THEN** its cells rotate accordingly
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