{
  "scenario": "inbox-triage",
  "title": "The same newsletter hits 5 inboxes — summarized once. One malformed email fails — your digest still ships.",
  "beats": [
    {
      "name": "cold-boot",
      "park": 23,
      "from": 0,
      "to": 23,
      "holdMs": 2600,
      "caption": "the inbox graph lights up once · gateway → classifiers → threader → digest"
    },
    {
      "name": "quiet",
      "park": 37,
      "from": 24,
      "to": 37,
      "holdMs": 2400,
      "caption": "dim skip pulses · nothing changed · cost flat near zero"
    },
    {
      "name": "self-tick",
      "park": 35,
      "from": 34,
      "to": 35,
      "holdMs": 2600,
      "caption": "self-tick audit floor · the digest re-checks itself · no edges, no cost"
    },
    {
      "name": "hero-dark-lane",
      "park": 43,
      "from": 38,
      "to": 43,
      "holdMs": 3600,
      "caption": "HERO: one email lands in ONE inbox · only that classifier lane lights · the other 7 stay dark"
    },
    {
      "name": "diamond-dedup",
      "park": 67,
      "from": 44,
      "to": 67,
      "holdMs": 4200,
      "caption": "the SAME newsletter hits 4 more inboxes · the shared thread already rendered · 4 copies dedup away · summarized ONCE"
    },
    {
      "name": "red-fail",
      "park": 70,
      "from": 68,
      "to": 70,
      "holdMs": 3200,
      "caption": "a malformed email · its classifier fails RED · no downstream, no digest corruption · prior truth stands"
    },
    {
      "name": "recover",
      "park": 77,
      "from": 71,
      "to": 77,
      "holdMs": 3000,
      "caption": "the sender re-sends a fixed copy · the classifier flashes GREEN · its thread joins the digest"
    },
    {
      "name": "final-quiet",
      "park": 94,
      "from": 78,
      "to": 94,
      "holdMs": 2600,
      "caption": "it goes quiet again · the digest shipped · cost back to flat"
    }
  ]
}