{
  "handle": "Stream",
  "data_schema": {
    "type": "object",
    "required": [
      "stream_id"
    ],
    "properties": {
      "stream_id": {
        "type": "string",
        "description": "Unique stream identifier"
      },
      "messages": {
        "type": "array",
        "description": "Ordered sequence of messages"
      },
      "cursor": {
        "type": "integer",
        "description": "Current read position in the stream"
      },
      "bounded": {
        "type": "boolean",
        "description": "Whether the stream has a known end"
      }
    }
  },
  "mechanism": "An ordered, potentially unbounded sequence of Messages. Represents real-time data pipes, log feeds, or conversational histories. Streams support operations like mapping, filtering, and backpressure. Utilizes {{message}}.",
  "gloss": "Continuous data flow",
  "invariants": [
    "Ordering: Messages M_n and M_n+1 maintain relative sequence.",
    "Causality: Effects cannot precede causes in the stream."
  ],
  "preconditions": [
    "A Source emitting Messages"
  ],
  "_meta": {
    "tier": 1,
    "ring": 0,
    "path": [
      "Infrastructure",
      "Data Structures"
    ],
    "supersedes": [
      "sema:Stream#mh:SHA-256:6b47aafa55e0339455fa2d82d2077ffbf2c2dea744bd7034a99a3b77cfacfaec"
    ]
  },
  "sema_id": "sema:Stream#mh:SHA-256:ffa6e636cc2ca9f13c23f5862e60aceb0885a35686fb60f12da157316b159b53",
  "sema_ref": "Stream#ffa6",
  "sema_stub": "ffa6",
  "dependencies": {
    "references": {
      "message": "sema:Message#mh:SHA-256:bf6d3d4643c881a8c245617c3603b13ffef26026304fc7e7c384a80cf25fd237"
    }
  },
  "sema_layer": "Infrastructure",
  "sema_category": "Data Structures",
  "used_by": {
    "references": {
      "Event": "sema:Event#mh:SHA-256:36757bd8344e1fd7161bd2f23d6588180fbaaf9cff5ef8be8a205effbf4438b6",
      "ExplainBeacon": "sema:ExplainBeacon#mh:SHA-256:2ae591c2bb79c9a8e037722f368f68b0e6a507503cfc74ab09b9bb1d43fa1856",
      "InvariantFilter": "sema:InvariantFilter#mh:SHA-256:212b8b7a75ea69b22561e19191aa5cb630aaf75f4e4229e03db798338ab00a8e",
      "Queue": "sema:Queue#mh:SHA-256:5689d2db87dd8752019da54910f7be96929ff84baf09cdadd2c6826b01ea5420"
    }
  }
}