COOKIE & CACHE TRANSPARENCY
Cookie, Local Storage & Offline PWA Cache Policy
Zero Third-Party Advertising Cookies | 100% Essential & Clinical Caching
1. Strictly Necessary Security Cookies
These cookies are technically required for secure authentication, NIST FIPS 203 anti-tampering, and session management:
| Cookie Identifier | Type / Domain | Lifespan | Purpose |
|---|---|---|---|
| taptalk_admin_token | HTTPOnly, Secure | 365 Days | Post-Quantum HMAC verified authentication token. |
| sovereign_admin_key | SameSite=Lax, Secure | 365 Days | Persistent SuperAdmin clearance key for hard-reload resilience. |
| PHPSESSID | Session Cookie | Session | Encrypted server-side PHP session state. |
2. Local Storage & Offline PWA Cache Storage
The TECLAST tablet and browser utilize modern HTML5 LocalStorage and CacheStorage (Service Worker) to store:
- 5,000+ Offline Speech Symbols (ARASAAC / Bliss): Cached locally so the child can communicate without an active internet connection.
- eSpeak-NG / Web Audio Synthesis Buffers: Cached locally for sub-5ms instant audio pronunciation.
- Pupil Keyguard Preferences: Saved locally in the tablet memory for instant startup in Kiosk mode.