MINERU_API_TOKEN=your_mineru_api_token
R2_BASE_URL=https://r2.118229.xyz
R2_BEARER_TOKEN=r2img-bed-2026-secure-key-huang
R2_PREFIX=
R2_PUBLIC_BASE_URL=https://r2.118229.xyz
POLL_INTERVAL_SECONDS=5
TIMEOUT_SECONDS=1800