106: Pictogram-Based UI for Low-Literacy CHWs

[Mosss-OS]

Description

Develop a pictogram-driven alternative UI where all core functions can be completed without reading text.

Acceptance Criteria

• "Pictogram Mode" toggle in settings (supervisor can set as default)
• All navigation uses: icon + single word maximum
• Assessment result: urgency shown as colour + universally understood symbol (traffic light, +/!/!!)
• Condition names accompanied by illustrated condition images
• Referral action: illustrated referral slip symbol
• Vital sign inputs: illustrated body diagrams for measurement location guidance
• Validated with literacy-diverse CHW group in user research
• Icons comply with ISO 7010 medical safety symbols where applicable