19 lines
758 B
Markdown
19 lines
758 B
Markdown
## Purpose
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Canonical specification for theme-preference-persistence requirements synced from OpenSpec change deltas.
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## Requirements
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### Requirement: Theme choice persists across sessions
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The system SHALL persist user-selected theme with localStorage as primary storage and cookie fallback when localStorage is unavailable.
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#### Scenario: Persist theme in localStorage
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- **WHEN** localStorage is available and user selects a theme
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- **THEN** selected theme is saved in localStorage
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- **AND** stored value is used on next visit in same browser
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#### Scenario: Cookie fallback persistence
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- **WHEN** localStorage is unavailable or blocked
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- **THEN** selected theme is saved in cookie storage
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- **AND** cookie value is used to restore theme on return visit
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