## ADDED Requirements ### Requirement: Profile settings distinguish active custom backgrounds from fallback presets The platform_web profile settings page SHALL report an uploaded custom background as the active workspace background while preserving the selected built-in preset only as the fallback after upload removal. #### Scenario: Uploaded background is active - **WHEN** a user has configured an uploaded custom background - **AND** a built-in background preset is also selected - **THEN** the profile settings summary MUST label the active background as custom rather than naming the built-in preset as current - **AND** the selected built-in preset MUST be visibly identified as a fallback that appears after the uploaded background is removed - **AND** the uploaded background MUST remain the workspace desktop #### Scenario: Uploaded background is removed - **WHEN** a user removes the uploaded custom background - **THEN** the previously selected built-in preset becomes the visible active background again - **AND** the profile settings summary MAY name that built-in preset as current