{
  "$schema": "https://mwl.dev/v0.1/provider/schema.json",
  "uri": "mwl:provider.middleware/mwl/loop/v1",
  "codePrefix": "Loop",
  "description": "Re-runs its inner scope while its continuation holds. Configured entirely by when: onEntry.when admits the first run; onSuccess.when, which a Loop entry must write, decides after each success whether to run again. The onSuccess value product is the carried value, fed to the next run as its input.",
  "attachment": ["step", "flow"],
  "phases": {
    "onEntry": {
      "action": {
        "kind": "control",
        "description": "Admits the loop. The action owns every run of the inner scope, including the first: gated off, no run occurs and the entry emits its onEntry output product as a success Result."
      }
    },
    "onSuccess": {
      "action": {
        "kind": "control",
        "description": "The continuation: when true, re-enters the inner scope with the phase's value product as the next run's input; when false, the entry emits."
      }
    }
  },
  "metadata": {
    "type": "object",
    "additionalProperties": false,
    "properties": {
      "iteration": {
        "type": "number",
        "description": "The run of the inner scope currently executing or, in an onSuccess run, just completed; 1 on the first run."
      }
    }
  },
  "failureCatalog": {
    "closed": [],
    "open": []
  }
}