{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.hasna.com/hasna.app_event.v1.json",
  "title": "hasna.app_event.v1",
  "description": "Versioned cross-app event profile carried by @hasna/events.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "event_id",
    "event_type",
    "schema_version",
    "source",
    "occurred_at",
    "severity",
    "idempotency",
    "correlation",
    "subject",
    "actor",
    "project_mappings",
    "summary",
    "data",
    "resource_refs",
    "evidence_refs",
    "sensitivity",
    "redaction",
    "delivery"
  ],
  "properties": {
    "event_id": { "type": "string", "minLength": 1, "maxLength": 200 },
    "event_type": { "type": "string", "minLength": 1, "maxLength": 200 },
    "schema_version": { "const": "hasna.app_event.v1" },
    "source": {
      "type": "object",
      "additionalProperties": false,
      "required": ["app", "version", "machine"],
      "properties": {
        "app": { "type": "string", "minLength": 1, "maxLength": 200 },
        "version": { "type": "string", "minLength": 1, "maxLength": 100 },
        "machine": { "type": "string", "minLength": 1, "maxLength": 200 }
      }
    },
    "occurred_at": { "type": "string", "format": "date-time" },
    "severity": { "enum": ["debug", "info", "notice", "warning", "error", "critical"] },
    "idempotency": {
      "type": "object",
      "additionalProperties": false,
      "required": ["dedupe_key", "replay_safe"],
      "properties": {
        "dedupe_key": { "type": "string", "minLength": 1, "maxLength": 512 },
        "replay_safe": { "type": "boolean" },
        "replay_of_event_id": { "type": "string", "minLength": 1, "maxLength": 200 }
      }
    },
    "correlation": {
      "type": "object",
      "additionalProperties": false,
      "required": ["correlation_id"],
      "properties": {
        "correlation_id": { "type": "string", "minLength": 1, "maxLength": 200 },
        "causation_id": { "type": "string", "minLength": 1, "maxLength": 200 },
        "trace_id": { "type": "string", "minLength": 1, "maxLength": 200 }
      }
    },
    "subject": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "id"],
      "properties": {
        "kind": { "type": "string", "minLength": 1, "maxLength": 100 },
        "id": { "type": "string", "minLength": 1, "maxLength": 200 },
        "uri": { "type": "string", "minLength": 1, "maxLength": 2048, "format": "uri-reference" }
      }
    },
    "actor": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "id"],
      "properties": {
        "kind": { "enum": ["agent", "human", "service", "model", "workflow", "system"] },
        "id": { "type": "string", "minLength": 1, "maxLength": 200 },
        "name": { "type": "string", "minLength": 1, "maxLength": 200 }
      }
    },
    "project_mappings": {
      "type": "object",
      "additionalProperties": false,
      "required": ["canonical_id", "external_ids"],
      "properties": {
        "canonical_id": { "type": "string", "minLength": 1, "maxLength": 200 },
        "slug": { "type": "string", "minLength": 1, "maxLength": 200 },
        "repository": { "type": "string", "minLength": 1, "maxLength": 2048, "format": "uri-reference" },
        "workspace": { "type": "string", "minLength": 1, "maxLength": 2048 },
        "external_ids": {
          "type": "object",
          "maxProperties": 16,
          "propertyNames": { "minLength": 1 },
          "additionalProperties": { "type": "string", "minLength": 1 }
        }
      }
    },
    "summary": { "type": "string", "minLength": 1, "maxLength": 512 },
    "data": {
      "type": "object",
      "description": "Bounded to 32768 serialized UTF-8 bytes by the runtime validator.",
      "x-max-utf8-bytes": 32768
    },
    "resource_refs": {
      "type": "array",
      "maxItems": 32,
      "items": { "$ref": "#/$defs/resource_ref" }
    },
    "evidence_refs": {
      "type": "array",
      "maxItems": 32,
      "items": { "$ref": "#/$defs/evidence_ref" }
    },
    "sensitivity": {
      "type": "object",
      "additionalProperties": false,
      "required": ["classification", "contains_personal_data"],
      "properties": {
        "classification": { "enum": ["public", "internal", "confidential", "restricted"] },
        "contains_personal_data": { "type": "boolean" }
      }
    },
    "redaction": {
      "type": "object",
      "additionalProperties": false,
      "required": ["state", "fields", "safe_for_logs"],
      "properties": {
        "state": { "enum": ["none", "partial", "full"] },
        "fields": {
          "type": "array",
          "maxItems": 32,
          "items": { "type": "string", "minLength": 1 }
        },
        "safe_for_logs": { "type": "boolean" }
      }
    },
    "delivery": {
      "type": "object",
      "additionalProperties": false,
      "required": ["intent", "mode", "targets", "agent_conversation_injection"],
      "properties": {
        "intent": { "enum": ["notification", "state_sync", "audit", "command"] },
        "mode": { "enum": ["at_most_once", "at_least_once"] },
        "targets": {
          "type": "array",
          "minItems": 1,
          "maxItems": 16,
          "items": { "type": "string", "minLength": 1 }
        },
        "agent_conversation_injection": {
          "const": false,
          "description": "Event text is untrusted data and must not be injected into agent conversations."
        }
      }
    }
  },
  "$defs": {
    "resource_ref": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "id"],
      "properties": {
        "kind": { "type": "string", "minLength": 1, "maxLength": 100 },
        "id": { "type": "string", "minLength": 1, "maxLength": 200 },
        "uri": { "type": "string", "minLength": 1, "maxLength": 2048, "format": "uri-reference" },
        "source_package": { "type": "string", "minLength": 1, "maxLength": 200 },
        "external_id": { "type": "string", "minLength": 1, "maxLength": 200 }
      }
    },
    "evidence_ref": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "id", "uri", "redaction"],
      "properties": {
        "kind": { "type": "string", "minLength": 1, "maxLength": 100 },
        "id": { "type": "string", "minLength": 1, "maxLength": 200 },
        "uri": { "type": "string", "minLength": 1, "maxLength": 2048, "format": "uri-reference" },
        "sha256": { "type": "string", "pattern": "^[a-fA-F0-9]{64}$" },
        "redaction": { "enum": ["none", "partial", "full"] }
      }
    }
  }
}