{
  "cache_type": "Permanent (no TTL) with incremental date updates",
  "endpoints": [
    "/process - Process emails (uses cached data if available)",
    "/process?refresh=true - Fetch new emails since last cache update",
    "/process?start_date=YYYY-MM-DD&end_date=YYYY-MM-DD - Fetch specific date range",
    "/process-stream - Same as /process but with SSE progress events",
    "/status - Check auth status",
    "/cache-info - View cached date ranges per user",
    "/clear-cache - Clear all cached data"
  ],
  "status": "Local processing server running"
}