{
  "handle": "Greet",
  "mechanism": "The initial contact protocol between two {{agent}}s. It involves a cryptographic {{identity}} verification followed by a {{compatibility_check}} to establish a shared communication channel. If successful, it transitions the connection state from 'Unknown' to 'Connected'.",
  "gloss": "Agent connection initiation",
  "failure_modes": [
    "Authentication Failure: {{identity}} could not be verified.",
    "Protocol Mismatch: Agents speak incompatible languages."
  ],
  "invariants": [
    "Mutual Auth: Both parties must verify each other.",
    "No-Op on Mismatch: Connection drops if handshake fails."
  ],
  "_meta": {
    "tier": 1,
    "ring": 1,
    "supersedes": [
      "sema:Greet#mh:SHA-256:7ad2382d29cb28ed605b0505374488c7e6dcd1ff8098b63686e83ab7098e2cf6",
      "sema:Greet#mh:SHA-256:58542bc100077ab85299c99424fa0ca7ea8559890678461a0d7f7aaba927c74f",
      "sema:Greet#mh:SHA-256:b2f05855f3edec9d36341a4e3fb946b16771c55e4625f1dfe05cbbe53c58ef36"
    ],
    "path": [
      "Infrastructure",
      "Primitives"
    ]
  },
  "sema_id": "sema:Greet#mh:SHA-256:bcb066aa62cec1c03e3fac07b1b199fa8b12ab059d4faaf49374bf4a400941bd",
  "sema_ref": "Greet#bcb0",
  "sema_stub": "bcb0",
  "dependencies": {
    "composes_with": {
      "compatibility_check": "sema:CompatibilityCheck#mh:SHA-256:7f70838f05f3aad069b89dcbc705283872f66fde4bc95c6bfa0dc917955e050d"
    },
    "references": {
      "agent": "sema:Agent#mh:SHA-256:e127459069739fffc96a71d54ef6e8c97ca53471d5349c16aa72a092a33756cd",
      "identity": "sema:Identity#mh:SHA-256:b24a57fdd59ebf2ef019be30af8fa10fc127f61d346a74ab0b49f729b4e32093"
    }
  },
  "sema_layer": "Infrastructure",
  "sema_category": "Primitives",
  "used_by": {
    "references": {
      "AgentProtocol": "sema:AgentProtocol#mh:SHA-256:86a3f129036a28bab76d60f15ac835dfe779536cf02fe916f7b21cb1369ebf6d",
      "Canary": "sema:Canary#mh:SHA-256:d38cd019553857aa7518559542b5400b658f87eb08e6f4dae9be4fd496ce691e",
      "Card": "sema:Card#mh:SHA-256:e4b2ca76f43a691e7bd7932362512a5e929c62efc6c3d2eb4a9369e5108fa074",
      "ExplainBeacon": "sema:ExplainBeacon#mh:SHA-256:2ae591c2bb79c9a8e037722f368f68b0e6a507503cfc74ab09b9bb1d43fa1856",
      "Warmup": "sema:Warmup#mh:SHA-256:ed16f499e655d6d252a2bae39a8cc87ec8497426107905501920ac47644be9ef"
    }
  }
}