# Gemini API Key (required)
GEMINI_API_KEY=YOUR_API_KEY
# Model Selection (optional)
# Options: flash (speed), pro (quality), auto (intelligent selection)
# Default: auto
NANOBANANA_MODEL=auto
# Image Output Directory (optional)
# Default: ~/nanobanana-images
# IMAGE_OUTPUT_DIR=/path/to/output
# Gemini 3 Pro Model Settings (optional, only applies when using Pro model)
# GEMINI_PRO_THINKING_LEVEL=high # low, high
# GEMINI_PRO_ENABLE_GROUNDING=true # Enable Google Search grounding