AETHERTECH CASE STUDY · LIBRARY OPERATIONS
OFFLINE-FIRST RESILIENCE
The work continues when the network doesn’t.
Cashiers can process transactions, log visitors, and capture expenses without interruption. Encrypted local actions are stored safely, then intelligently synced as soon as a connection returns.
01 / Encrypted local state
02 / Safe automatic recovery
03 / Network-aware operations
01 / ACTIVE CHECKOUT
Cashier-ready.
Always.
Print & copy — B&W
$0.75
Meeting room — 1 hr
$10.00
TOTAL
$10.75
02 / OFFLINE QUEUE
Encrypted
and ready to sync.
OFFLINE — QUEUE ACTIVE
14 actions encrypted locally
AES-GCM
Auto-flush resumes on reconnect
03 / DAILY SIGNAL
See the day
as it happens.
$412.50
Revenue today
186
Visitors logged
Daily summary emailed — 6:00 PM
SENT
CORE CAPABILITIES
Fluid checkout
A responsive cart, product grid, and keypad keep staff focused on the person at the counter—not the system behind it.
Assisted workflows
Voice transcription and natural-language commands help staff build complex carts and recover operational context quickly.
Actionable reporting
Transactions, expenses, and visitor logs become decision-ready reports, with exports and daily summaries built into the rhythm of work.
ZERO-TRUST SECURITY MODEL
Row-level security mathematically isolates sensitive financial data from unauthorized accounts. Local state is encrypted with keys derived from user credentials, and admins hold real-time control over every active session.
ACTIVE SESSIONS — ADMIN VIEW
Front desk — Cashier
ACTIVE
Unknown device — fingerprint 4A2F
BANNED
Immutable audit trail
RLS ENFORCED
AI CART ASSISTANT — LISTENING
“Add three color prints and a laminate to the cart.”
4 items added — cart updated
WHISPER → NLP
Receipt scan → linked to expense
DIRECT-TO-S3
AI-ASSISTED OPERATIONS
Voice transcription and natural-language parsing let staff build complex carts conversationally. High-resolution receipt scans upload straight from the browser and link themselves to the right expense entry—no server bottlenecks, no filing.
ZERO-TRUST TODAY / AWS-READY TOMORROW
Lumina pairs encrypted local state, role-based access control, and audit-ready operations with a clear AWS evolution path—so the library can scale resilience without sacrificing day-to-day simplicity.
React 18 · TypeScript · Vite · Tailwind · TanStack Query · Dexie / IndexedDB · WebCrypto AES-GCM · Supabase RLS · Deno Edge Functions · AWS S3 · OpenAI Whisper · Resend