.env.example

# µStack Configuration
# Copy to .env and fill in your API keys and environment-specific settings.

# ============================================
# Essential API Keys
# ============================================
# Choose LLM Provider: anthropic, deepseek (default: anthropic | at least one must be configured)
ANTHROPIC_API_KEY=your_anthropic_api_key_here # For Claude LLM
DEEPSEEK_API_KEY=your_deepseek_api_key_here # For DeepSeek LLM

# Materials Project API Key
MP_API_KEY=your_materials_project_api_key_here

# ============================================
# GPU and Hardware Configuration
# ============================================
GPU_BACKEND=cuda # Options: 'cuda' or 'cpu'
CUDA_DEVICE_ID=0 # Specific CUDA device index to use

# ============================================
# User-Customizable Overrides
# ============================================
# Logging settings
LOG_LEVEL=INFO # e.g., DEBUG, INFO, WARNING, ERROR
LOG_FILE=./microstack.log # Path for log file
LOG_TO_CONSOLE=true # Enable console logging (true/false)
LOG_TO_FILE=true # Enable file logging (true/false)

# Output and performance
OUTPUT_DIR=./output # Base directory for simulation results
API_TIMEOUT=30 # API request timeout in seconds
MAX_RETRIES=3 # Max API call retries
DEBUG_MODE=false # Enable verbose debugging (true/false)