No items scanned
For judges: click any product on the left, then hit Print & Transmit Receipt — watch the full pipeline fire live on the right, pulling real numbers from Aurora PostgreSQL.
{
"storeId": 1,
"receiptId": "RCP-[generated-on-fire]",
"items": []
}WEBHOOK_SECRET env varThis key signs the payload client-side for demo purposes. In production the server validates against process.env.WEBHOOK_SECRET — never exposed to the browser.
SYNCHROLINK POS
MAIN STREET GROCERY · STORE #0001
LIVE · AURORA POSTGRESQL · SQS FIFO
Live Pipeline
End-to-end system trace
Fire a receipt to watch the
full AWS pipeline in real time
Waiting for transaction...
SHA-256 webhook auth
POST /api/webhook
inventory_events ledger
cached_current_stock
synchrolink-events.fifo
Low-stock threshold scan
Stockout risk model
Draft PO generation