pub(all) struct ParityCase {
  id : String
  group : ParityGroup
  expectation : ParityExpectation
  status : ParityStatus
  source_ref : String
  moonfish_ref : String
  evidence_refs : Array[ParityEvidenceRef]
  assertion : String
  note : String
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) enum ParityEvidenceKind {
  LegacyFixture
  MoonfishEvidence
  KnownDifferenceNote
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) struct ParityEvidenceRef {
  kind : ParityEvidenceKind
  path : String
  role : String
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) enum ParityExpectation {
  ExactMatch
  SemanticEquivalent
  IntentionalDifference
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) enum ParityGroup {
  SchemaValidation
  DataFrameAndIndicator
  StrategyRouting
  TwoStageRoutine
  PersistenceAndRedaction
  OperatorSurface
  SafetyInvariant
  ImportTraceability
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) struct ParityReport {
  source_fixture_root : String
  pass_count : Int
  review_count : Int
  exact_count : Int
  semantic_count : Int
  intentional_difference_count : Int
  fixture_case_count : Int
  untraced_case_count : Int
  cases : Array[ParityCase]
  summary : String
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) struct ParityReportInput {
  workspace : 
@vectie/moonfish/workspace.AnalysisWorkspace
AnalysisWorkspace
  import_plan : 
@vectie/moonfish/migration.LegacyImportPlan
LegacyImportPlan
  source_fixture_root : String
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) enum ParityStatus {
  ParityPass
  ParityNeedsReview
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

fn parity_report_input(workspace : 
@vectie/moonfish/workspace.AnalysisWorkspace
AnalysisWorkspace, import_plan : 
@vectie/moonfish/migration.LegacyImportPlan
LegacyImportPlan, source_fixture_root? : String) -> ParityReportInput

fn prepare_parity_report(input : ParityReportInput) -> ParityReport