## ADDED Requirements

### Requirement: Playwright regression suite covers core UI/UX capabilities
The system SHALL provide a Playwright-based regression suite that validates critical UI and UX behavior across all shipped user-facing capabilities.

#### Scenario: Capability-mapped suite execution
- **WHEN** regression tests are executed
- **THEN** test cases are organized and traceable to capability-level requirements
- **AND** failures identify the impacted capability and user journey

### Requirement: Regression suite validates themes, states, and breakpoints
The system SHALL validate key controls and content for light, dark, and contrast themes, across mobile, tablet, and desktop breakpoints, including interactive states.

#### Scenario: Theme and breakpoint matrix coverage
- **WHEN** the suite runs in full profile
- **THEN** high-priority journeys execute across all supported themes and target viewport classes
- **AND** assertions include default, hover, focus-visible, active, and visited states where applicable

### Requirement: Regression failures produce actionable diagnostics
The system SHALL emit debugging artifacts for failed browser tests.

#### Scenario: Failure artifact collection
- **WHEN** a Playwright test fails
- **THEN** the run stores trace and screenshot evidence
- **AND** artifacts are linked in CI output for triage
