harn-stdlib 0.8.26

Embedded Harn standard library source catalog
Documentation 
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/*
 * std/trust - TrustGraph query and policy helpers.
 *
 * Import with: `import "std/trust"`.
 */
import "std/triggers"

type TrustGraphRecord = {
  actor_id: string,
  action: string,
  approver: string?,
  outcome: TrustOutcome,
  evidence_refs: list<dict>,
  trace_id: string,
  timestamp: string,
  autonomy_tier_at_time: AutonomyTier,
}

type TrustGraphQueryFilters = {
  actor: string?,
  actor_id: string?,
  agent: string?,
  action: string?,
  outcome: TrustOutcome?,
  since: string?,
  until: string?,
  autonomy_tier_at_time: AutonomyTier?,
  tier: AutonomyTier?,
  limit: int?,
}

/**
 * query returns TrustGraphRecord rows from the runtime trust graph.
 *
 * @effects: []
 * @allocation: heap
 * @errors: []
 * @api_stability: stable
 * @example: query(filters)
 */
pub fn query(filters = {}) -> list<TrustGraphRecord> {
  return trust.query(filters)
}

/**
 * record appends a TrustGraph decision and returns its stable TrustEntryId.
 *
 * @effects: []
 * @allocation: heap
 * @errors: []
 * @api_stability: stable
 * @example: record(decision)
 */
pub fn record(decision) -> TrustEntryId {
  return trust.record(decision)
}

/**
 * score returns aggregate trust counters and derived capability policy.
 *
 * @effects: []
 * @allocation: heap
 * @errors: []
 * @api_stability: stable
 * @example: score(actor_id, action)
 */
pub fn score(actor_id: string, action: string? = nil) -> TrustScore {
  return trust.score(actor_id, action)
}

/**
 * policy_for returns the capability policy derived from trust history.
 *
 * @effects: []
 * @allocation: heap
 * @errors: []
 * @api_stability: stable
 * @example: policy_for(actor_id)
 */
pub fn policy_for(actor_id: string) -> CapabilityPolicy {
  return trust.policy_for(actor_id)
}

/**
 * verify_chain verifies the underlying OpenTrustGraph hash chain.
 *
 * @effects: []
 * @allocation: heap
 * @errors: []
 * @api_stability: stable
 * @example: verify_chain()
 */
pub fn verify_chain() -> TrustChainReport {
  return trust.verify_chain()
}