# ============================================================
# Authentication Settings
# ============================================================
# NANOBANANA_AUTH_METHOD: Authentication method
# - api_key: Developer API + API Key (default)
# - vertex_ai: Vertex AI API + ADC (for Google Cloud)
# - auto: Use API Key if available, else try Vertex AI
NANOBANANA_AUTH_METHOD=auto
# ============================================================
# API Key Authentication (when auth_method=api_key or auto)
# ============================================================
# Recommended for local development
GEMINI_API_KEY=your_api_key_here
# GOOGLE_API_KEY=your_api_key_here # Alternative
# ============================================================
# Vertex AI Authentication (when auth_method=vertex_ai or auto)
# ============================================================
# Google Cloud Project ID (Required for Vertex AI)
GCP_PROJECT_ID=your-project-id
# GOOGLE_CLOUD_PROJECT=your-project-id # Alternative
# Google Cloud Region (Default: us-central1)
GCP_REGION=us-central1
# GOOGLE_CLOUD_LOCATION=us-central1 # Alternative
# ============================================================
# Model Settings
# ============================================================
# Options: flash (speed), pro (quality), auto (intelligent selection)
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
