{
  "taxonomy_version": "v3",
  "source_taxonomy_version": "v3",
  "event_name": "learning.lesson.completed",
  "event_definition": "producer reports lesson completion occurrence, not mastery",
  "actor_ref_pseudonymous": "learner:p_7a2",
  "object_ref": "lesson:42",
  "action_or_state": "completed",
  "event_timestamp": "2026-09-10T09:00:00Z",
  "observed_timestamp": "2026-09-10T09:00:03Z",
  "context_ref": "course:alpha",
  "outcome": "occurrence_recorded",
  "attribute_semantics": "typed",
  "cardinality_class": "LOW_NAME/BOUNDED_ATTRS",
  "privacy_class": "PSEUDONYMOUS_LEARNING_TELEMETRY",
  "schema_version": "event-schema-3.1",
  "producer_version": "web-5.4.0",
  "validation_state": "VALID_REVIEW_PENDING",
  "deprecation_state": "ACTIVE",
  "replacement_event": "NONE",
  "derived_metric_ref": "metric:lesson_completion_count:v2",
  "mastery_claim_forbidden_without_evidence": true,
  "provenance": "",
  "dynamic_value_in_event_name": false,
  "semantic_rename": false,
  "migration_map_ref": "legacy-map-m1",
  "raw_event_used_as_mastery": false,
  "definition_drift_without_version": false,
  "replay_rewrites_original": false,
  "derived_metric_overwrites_raw": false
}