{
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  "slug": "sierra-horizon-long-running-agent",
  "title": "Sierra Horizon Makes Long-Running Agents Look Like State Machines",
  "description": "Sierra Horizon shows that a long-running customer agent should be a state machine with signals, playbooks, suppression rules, and terminal outcomes, not a long chat.",
  "status": "published",
  "published_at": "2026-07-22",
  "topics": [],
  "source_urls": [
    "https://sierra.ai/blog/horizon"
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