# Comma-separated list of Gemini API keys. The system rotates through them
# and respects per-key RPM/RPD limits when MEALGRAPH_ENABLE_RATE_LIMITING=true.
MEALGRAPH_GEMINI_API_KEYS=key_one,key_two

# Optional infra paths.
# When set, every agent/tool I/O is dumped to LOG_DIR/<subdir>/<timestamp>.json
MEALGRAPH_LOG_DIR=
# When set, LangGraph checkpoints are persisted to disk (instead of memory).
MEALGRAPH_PERSISTENCE_DIR=

# Debug switches (default: off)
MEALGRAPH_DEBUG_MODE=false
MEALGRAPH_DEBUG_LEVEL=full        # 'full' | 'output'
# JSON-encoded dict, see config.Settings for shape. Defaults to all/all.
# MEALGRAPH_DEBUG_SCOPES={"agents": ["CoachAgent"], "tools": ["all"]}

# Rate limiting (default: on)
MEALGRAPH_ENABLE_RATE_LIMITING=true

# Optional LangSmith tracing (Phase 6 will wire this up properly)
# LANGCHAIN_TRACING_V2=true
# LANGCHAIN_API_KEY=
# LANGCHAIN_PROJECT=Nutrition-MAS