# LLM - Doubao / Volcano Ark (OpenAI-compatible)
ARK_BASE_URL=https://ark.cn-beijing.volces.com/api/v3
ARK_API_KEY=your-ark-api-key-here
ARK_MODEL=doubao-seed-2-0-pro-260215
ARK_REQUEST_TIMEOUT_SECONDS=120

# Amap MCP remote service
AMAP_MCP_URL=https://your-amap-mcp-endpoint
AMAP_MCP_TRANSPORT=streamable_http
AMAP_MCP_TIMEOUT_SECONDS=20
AMAP_MCP_READ_TIMEOUT_SECONDS=60
# Optional if the remote MCP requires a custom auth header
AMAP_MCP_AUTH_HEADER_NAME=
AMAP_MCP_AUTH_HEADER_VALUE=

# Route planning guardrails
ROUTE_MAX_PERMUTATIONS=20