weavegraph 0.3.0

Graph-driven, concurrent agent workflow framework with versioned state, deterministic barrier merges, and rich diagnostics.
Documentation 
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{
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "https://github.com/Idleness76/weavegraph/schemas/llm_event.json",
    "title": "Weavegraph LLM Streaming Event",
    "description": "Focused schema for LLM streaming events. Use this for consumers that only process language model token streams.",
    "type": "object",
    "required": [
        "type",
        "scope",
        "message",
        "timestamp",
        "metadata"
    ],
    "properties": {
        "type": {
            "type": "string",
            "const": "llm",
            "description": "Event type is always 'llm' for this schema"
        },
        "scope": {
            "type": "string",
            "enum": [
                "stream",
                "chunk",
                "__weavegraph_stream_end__",
                "error"
            ],
            "description": "LLM event scope indicating stream phase"
        },
        "message": {
            "type": "string",
            "description": "Token chunk content or error message"
        },
        "timestamp": {
            "type": "string",
            "format": "date-time",
            "description": "ISO 8601 timestamp when the chunk was generated"
        },
        "metadata": {
            "type": "object",
            "required": [
                "is_final"
            ],
            "properties": {
                "session_id": {
                    "type": "string",
                    "description": "Session identifier for correlation across multiple streams"
                },
                "node_id": {
                    "type": "string",
                    "description": "Workflow node that generated this LLM event"
                },
                "stream_id": {
                    "type": "string",
                    "description": "Unique identifier for this token stream"
                },
                "is_final": {
                    "type": "boolean",
                    "description": "True if this is the last chunk in the stream"
                },
                "model": {
                    "type": "string",
                    "description": "LLM model identifier (e.g., 'gpt-4', 'claude-3')"
                },
                "temperature": {
                    "type": "number",
                    "minimum": 0,
                    "maximum": 2,
                    "description": "Sampling temperature for generation"
                },
                "content_type": {
                    "type": "string",
                    "description": "Type of content being streamed (e.g., 'reasoning', 'answer', 'tool_use')"
                }
            },
            "additionalProperties": true,
            "description": "Custom metadata fields can be included for model-specific parameters"
        }
    },
    "examples": [
        {
            "type": "llm",
            "scope": "chunk",
            "message": "Hello",
            "timestamp": "2025-11-03T21:27:44.570358839+00:00",
            "metadata": {
                "session_id": "session-123",
                "node_id": "assistant-node",
                "stream_id": "stream-xyz",
                "is_final": false,
                "model": "gpt-4",
                "temperature": 0.7
            }
        },
        {
            "type": "llm",
            "scope": "__weavegraph_stream_end__",
            "message": "",
            "timestamp": "2025-11-03T21:27:45.123456789+00:00",
            "metadata": {
                "session_id": "session-123",
                "node_id": "assistant-node",
                "stream_id": "stream-xyz",
                "is_final": true
            }
        },
        {
            "type": "llm",
            "scope": "error",
            "message": "Rate limit exceeded",
            "timestamp": "2025-11-03T21:27:45.987654321+00:00",
            "metadata": {
                "session_id": "session-123",
                "node_id": "assistant-node",
                "stream_id": "stream-xyz",
                "is_final": true,
                "severity": "error"
            }
        }
    ]
}