Zero-Knowledge Local Vault: 100% On-Device Storage

Culturally-Fair Micro-Assessment

Motor-Cognitive Dual Task

Language-free shapes and spatial memory. ~45 seconds across two tasks, with automatic on-device history logging.

Step 0 — Contextual Filter

Acute lack of sleep or high fatigue can mimic cognitive drift. We tag the context so temporary dips are never mistaken for decline.

Hours slept last night?7 hrs

Current fatigue level1/5 · Fresh

Current fasting window (if applicable)0 hrs