{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sediment.so/schemas/facts/session-commit-observation/v3.json",
  "title": "SessionCommitObservation",
  "description": "The first observed Git-note Session-to-commit edge.",
  "type": "object",
  "properties": {
    "schema_version": {
      "enum": [
        1,
        2
      ],
      "type": "integer",
      "description": "The Fact payload contract: 1 for stored legacy payloads, 2 for identity-capable payloads."
    },
    "repository_provider": {
      "anyOf": [
        {
          "const": "github",
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "description": "Captured forge provider."
    },
    "repository_host": {
      "anyOf": [
        {
          "type": "string",
          "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$"
        },
        {
          "type": "null"
        }
      ],
      "description": "Configured lowercase forge host."
    },
    "repository_id": {
      "anyOf": [
        {
          "type": "string",
          "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$"
        },
        {
          "type": "null"
        }
      ],
      "description": "Immutable provider repository ID within its forge host."
    },
    "observation_id": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "Stable id for this Session-to-commit observation."
    },
    "org_id": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "The deployment's tenant id, normalized. Bound to the server."
    },
    "repo": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "The non-empty `owner/repo` that owns the observed commit, lowercased."
    },
    "commit_sha": {
      "type": "string",
      "description": "Full-length commit sha, lowercased."
    },
    "session_id": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "The coding-agent session this belongs to (ADR 0002)."
    },
    "source_push_id": {
      "type": "string",
      "pattern": "^[^\\u0000\\uD800-\\uDFFF]*$",
      "description": "The Push that triggered this Git-note observation."
    },
    "captured_at": {
      "type": "string",
      "format": "date-time",
      "description": "When Sediment stored the fact, stamped server-side. Windows and ordering anchor on this, never on a client clock."
    }
  },
  "additionalProperties": false,
  "required": [
    "schema_version",
    "repository_provider",
    "repository_host",
    "repository_id",
    "observation_id",
    "org_id",
    "repo",
    "commit_sha",
    "session_id",
    "source_push_id",
    "captured_at"
  ]
}