Bulk publish Pinterest Pins from Google Sheets with PinBridge

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This workflow lets you publish Pinterest Pins in bulk from a Google Sheet using PinBridge as the publishing layer. It is designed for builders who want a practical, repeatable workflow instead of manually creating Pins one by one. The flow reads rows from Google Sheets, skips rows that are already complete, validates the required fields, downloads each image, uploads that image through PinBridge, submits the Pinterest publish job, and writes the result back into the same sheet. The goal is not