Review and approve Google Sheets orders by email and notify via LINE

About

Automatically processes new orders added to Google Sheets. Small orders are approved instantly; large orders trigger an HTML email with one-click Approve / Reject links — each handled by an independent webhook, so multiple orders can be reviewed simultaneously without blocking each other. What makes this different Unlike Wait-node designs that block when multiple orders queue up, this workflow uses a stateless token pattern: each order gets a unique token written back to the sheet. Approval lin