Upscale Image

Upscale images using Imagen on Vertex AI.

Prerequisites

This skill requires Vertex AI credentials (not GEMINI_API_KEY).

Check Current Setup

echo "Project: ${GOOGLE_CLOUD_PROJECT:-NOT SET}"
gcloud auth application-default print-access-token &>/dev/null && echo "Auth: OK" || echo "Auth: NOT CONFIGURED"

First-Time Setup

If credentials are not configured, guide the user through these steps: