pub struct Anomaly {
  title : String
  detail : String
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub struct BookHealth {
  book_id : String
  level : HealthLevel
  note : String
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub enum HealthLevel {
  Healthy
  Degraded
  Critical
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub struct HealthReport {
  worker_health : Array[WorkerHealth]
  book_health : Array[BookHealth]
  anomalies : Array[Anomaly]
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub struct RecoveryAction {
  kind : String
  detail : String
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub struct WorkerHealth {
  worker_id : String
  level : HealthLevel
  note : String
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

fn count_health_anomalies_by_title(report : HealthReport, title : String) -> Int

fn inspect_town(town : 
@vectie/moontown/core.TownState
TownState) -> HealthReport

fn recovery_actions(report : HealthReport) -> Array[RecoveryAction]