macp-runtime 0.4.0

MACP reference runtime: a coordination kernel and gRPC server enforcing session boundaries, message validation, append-only history, modes, and governance policy.
Documentation 
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{
  "mode": "macp.mode.quorum.v1",
  "initiator": "agent://coordinator",
  "participants": ["agent://alice", "agent://bob", "agent://carol"],
  "mode_version": "1.0.0",
  "configuration_version": "cfg-1",
  "policy_version": "",
  "ttl_ms": 60000,
  "messages": [
    {
      "sender": "agent://alice",
      "message_type": "Approve",
      "payload_type": "quorum.Approve",
      "payload": { "request_id": "r1", "reason": "lgtm" },
      "expect": "reject"
    },
    {
      "sender": "agent://coordinator",
      "message_type": "ApprovalRequest",
      "payload_type": "quorum.ApprovalRequest",
      "payload": { "request_id": "r1", "action": "deploy", "summary": "Deploy v2", "required_approvals": 2 },
      "expect": "accept"
    },
    {
      "sender": "agent://alice",
      "message_type": "Approve",
      "payload_type": "quorum.Approve",
      "payload": { "request_id": "r1", "reason": "lgtm" },
      "expect": "accept"
    },
    {
      "sender": "agent://coordinator",
      "message_type": "Commitment",
      "payload_type": "Commitment",
      "payload": {
        "commitment_id": "c1",
        "action": "quorum.approved",
        "authority_scope": "test",
        "reason": "done",
        "mode_version": "1.0.0",
        "policy_version": "policy.default",
        "configuration_version": "cfg-1",
        "outcome_positive": true
      },
      "expect": "reject"
    }
  ],
  "expected_final_state": "Open"
}