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skills/ai-multimodal/.env.example

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+# Google Gemini API Configuration
+
+# ============================================================================
+# OPTION 1: Google AI Studio (Default - Recommended for most users)
+# ============================================================================
+# Get your API key: https://aistudio.google.com/apikey
+GEMINI_API_KEY=your_api_key_here
+
+# ============================================================================
+# OPTION 2: Vertex AI (Google Cloud Platform)
+# ============================================================================
+# Uncomment these lines to use Vertex AI instead of Google AI Studio
+# GEMINI_USE_VERTEX=true
+# VERTEX_PROJECT_ID=your-gcp-project-id
+# VERTEX_LOCATION=us-central1
+
+# ============================================================================
+# Model Selection (Optional)
+# ============================================================================
+# Override default model for specific tasks
+# Default: gemini-2.5-flash for most tasks
+# GEMINI_MODEL=gemini-2.5-flash
+# GEMINI_IMAGE_GEN_MODEL=gemini-2.5-flash-image
+
+# ============================================================================
+# Rate Limiting Configuration (Optional)
+# ============================================================================
+# Requests per minute limit (adjust based on your tier)
+# GEMINI_RPM_LIMIT=15
+
+# Tokens per minute limit
+# GEMINI_TPM_LIMIT=4000000
+
+# Requests per day limit
+# GEMINI_RPD_LIMIT=1500
+
+# ============================================================================
+# Processing Options (Optional)
+# ============================================================================
+# Video resolution mode: default or low-res
+# low-res uses ~100 tokens/second vs ~300 for default
+# GEMINI_VIDEO_RESOLUTION=default
+
+# Audio quality: default (16 Kbps mono, auto-downsampled)
+# GEMINI_AUDIO_QUALITY=default
+
+# PDF processing mode: inline (<20MB) or file-api (>20MB, automatic)
+# GEMINI_PDF_MODE=auto
+
+# ============================================================================
+# Retry Configuration (Optional)
+# ============================================================================
+# Maximum retry attempts for failed requests
+# GEMINI_MAX_RETRIES=3
+
+# Initial retry delay in seconds (uses exponential backoff)
+# GEMINI_RETRY_DELAY=1
+
+# ============================================================================
+# Output Configuration (Optional)
+# ============================================================================
+# Default output directory for generated images
+# OUTPUT_DIR=./output
+
+# Image output format (png or jpeg)
+# IMAGE_FORMAT=png
+
+# Image quality for JPEG (1-100)
+# IMAGE_QUALITY=95
+
+# ============================================================================
+# Context Caching (Optional)
+# ============================================================================
+# Enable context caching for repeated queries on same file
+# GEMINI_ENABLE_CACHING=true
+
+# Cache TTL in seconds (default: 1800 = 30 minutes)
+# GEMINI_CACHE_TTL=1800
+
+# ============================================================================
+# Logging (Optional)
+# ============================================================================
+# Log level: DEBUG, INFO, WARNING, ERROR, CRITICAL
+# LOG_LEVEL=INFO
+
+# Log file path
+# LOG_FILE=./logs/gemini.log
+
+# ============================================================================
+# Notes
+# ============================================================================
+# 1. Never commit API keys to version control
+# 2. Add .env to .gitignore
+# 3. API keys can be restricted in Google Cloud Console
+# 4. Monitor usage at: https://aistudio.google.com/apikey
+# 5. Free tier limits: 15 RPM, 1M-4M TPM, 1,500 RPD
+# 6. Vertex AI requires GCP authentication via gcloud CLI