NODEDC_1C/llm_normalizer/backend/src/services/addressCoverageEvidencePoli...

399 lines
13 KiB
TypeScript

import type { AssistantCoverageStatus } from "../types/assistantRuntimeContracts";
import type {
AddressAsOfDateBasis,
AddressCoverageEvidenceBasis,
AddressEvidenceStrength,
AddressFilterSet,
AddressIntent,
AddressResponseType,
AddressResultMode,
AddressSemanticFrame
} from "../types/addressQuery";
export const ADDRESS_COVERAGE_EVIDENCE_SCHEMA_VERSION = "address_coverage_evidence_v1" as const;
export interface AddressCoverageEvidenceContract {
schema_version: typeof ADDRESS_COVERAGE_EVIDENCE_SCHEMA_VERSION;
policy_owner: "addressCoverageEvidencePolicy";
requested_result_mode: AddressResultMode | null;
result_mode: AddressResultMode | null;
evidence_strength: AddressEvidenceStrength | null;
balance_confirmed: boolean | null;
as_of_date_basis: AddressAsOfDateBasis | null;
coverage_status: AssistantCoverageStatus;
evidence_basis: AddressCoverageEvidenceBasis;
reason_codes: string[];
}
export interface ResolveAddressCoverageEvidenceInput {
intent: AddressIntent;
selectedRecipe: string | null;
filters: AddressFilterSet;
semanticFrame?: AddressSemanticFrame | null;
responseType: AddressResponseType;
rowsMatched: number;
overrideResultMode?: AddressResultMode | null;
overrideEvidenceStrength?: AddressEvidenceStrength | null;
overrideBalanceConfirmed?: boolean | null;
}
function toRecordObject(value: unknown): Record<string, unknown> | null {
if (!value || typeof value !== "object" || Array.isArray(value)) {
return null;
}
return value as Record<string, unknown>;
}
function toNonEmptyString(value: unknown): string | null {
if (value === null || value === undefined) {
return null;
}
const text = String(value).trim();
return text.length > 0 ? text : null;
}
function normalizeIsoDateHint(value: unknown): string | null {
if (typeof value !== "string") {
return null;
}
const trimmed = value.trim();
if (!trimmed) {
return null;
}
const match = trimmed.match(/^(\d{4})-(\d{2})-(\d{2})(?:T.*)?$/);
if (!match) {
return null;
}
const year = Number(match[1]);
const month = Number(match[2]);
const day = Number(match[3]);
if (!Number.isFinite(year) || !Number.isFinite(month) || !Number.isFinite(day)) {
return null;
}
const candidate = new Date(Date.UTC(year, month - 1, day));
if (
candidate.getUTCFullYear() !== year ||
candidate.getUTCMonth() + 1 !== month ||
candidate.getUTCDate() !== day
) {
return null;
}
return `${match[1]}-${match[2]}-${match[3]}`;
}
function normalizeReasonCode(value: string): string | null {
const normalized = value
.trim()
.replace(/[^\p{L}\p{N}_.:-]+/gu, "_")
.replace(/^_+|_+$/g, "")
.toLowerCase();
return normalized.length > 0 ? normalized.slice(0, 120) : null;
}
function pushReason(target: string[], value: unknown): void {
const text = toNonEmptyString(value);
if (!text) {
return;
}
const normalized = normalizeReasonCode(text);
if (normalized && !target.includes(normalized)) {
target.push(normalized);
}
}
function isResultMode(value: string | null): value is AddressResultMode {
return value === "heuristic_candidates" || value === "confirmed_balance";
}
function isEvidenceStrength(value: string | null): value is AddressEvidenceStrength {
return value === "weak" || value === "medium" || value === "strong";
}
function isCoverageStatus(value: string | null): value is AssistantCoverageStatus {
return value === "full" || value === "partial" || value === "blocked";
}
function isAsOfDateBasis(value: string | null): value is AddressAsOfDateBasis {
return (
value === "period_end" ||
value === "explicit_as_of_date" ||
value === "period_range" ||
value === "implicit_current_snapshot"
);
}
function isEvidenceBasis(value: string | null): value is AddressCoverageEvidenceBasis {
return (
value === "matched_rows" ||
value === "exact_negative" ||
value === "limited_response" ||
value === "heuristic_candidates" ||
value === "unknown"
);
}
export function isHeuristicCandidatesIntent(intent: AddressIntent): boolean {
return (
intent === "list_receivables_counterparties" ||
intent === "list_payables_counterparties" ||
intent === "list_open_contracts" ||
intent === "open_items_by_counterparty_or_contract"
);
}
export function isConfirmedBalanceIntent(intent: AddressIntent): boolean {
return (
intent === "account_balance_snapshot" ||
intent === "documents_forming_balance" ||
intent === "inventory_on_hand_as_of_date" ||
intent === "inventory_purchase_provenance_for_item" ||
intent === "inventory_purchase_documents_for_item" ||
intent === "inventory_sale_trace_for_item" ||
intent === "inventory_profitability_for_item" ||
intent === "inventory_purchase_to_sale_chain" ||
intent === "open_contracts_confirmed_as_of_date" ||
intent === "payables_confirmed_as_of_date" ||
intent === "receivables_confirmed_as_of_date" ||
intent === "vat_payable_confirmed_as_of_date" ||
intent === "vat_liability_confirmed_for_tax_period"
);
}
export function resolveAddressAsOfDateBasis(
filters: AddressFilterSet,
semanticFrame?: AddressSemanticFrame | null
): AddressAsOfDateBasis | null {
if (
semanticFrame?.date_scope_kind === "implicit_current" &&
semanticFrame.date_basis_hint === "implicit_current_snapshot"
) {
return "implicit_current_snapshot";
}
const asOfDate = normalizeIsoDateHint(filters.as_of_date);
if (asOfDate) {
return "explicit_as_of_date";
}
if (semanticFrame?.date_basis_hint) {
return semanticFrame.date_basis_hint;
}
const periodFrom = normalizeIsoDateHint(filters.period_from);
const periodTo = normalizeIsoDateHint(filters.period_to);
if (periodFrom && periodTo) {
return "period_range";
}
if (!periodFrom && periodTo) {
return "period_end";
}
if (periodFrom) {
return "period_range";
}
return null;
}
function deriveAddressEvidenceStrength(input: {
intent: AddressIntent;
selectedRecipe: string | null;
responseType: AddressResponseType;
rowsMatched: number;
}): AddressEvidenceStrength | null {
if (isHeuristicCandidatesIntent(input.intent)) {
if (input.rowsMatched <= 0 || input.responseType === "LIMITED_WITH_REASON") {
return "weak";
}
if (input.selectedRecipe === "address_open_items_by_party_or_contract_v1") {
return "medium";
}
return "weak";
}
if (isConfirmedBalanceIntent(input.intent)) {
if (input.rowsMatched > 0) {
return "strong";
}
return input.responseType === "LIMITED_WITH_REASON" ? "weak" : "medium";
}
return null;
}
export function resolveAddressRequestedResultMode(
intent: AddressIntent,
filters: AddressFilterSet,
semanticFrame?: AddressSemanticFrame | null
): AddressResultMode | null {
if (isConfirmedBalanceIntent(intent)) {
return "confirmed_balance";
}
if (intent === "list_open_contracts") {
return "heuristic_candidates";
}
if (isHeuristicCandidatesIntent(intent)) {
const asOfDateBasis = resolveAddressAsOfDateBasis(filters, semanticFrame);
if (
asOfDateBasis === "explicit_as_of_date" ||
asOfDateBasis === "period_end" ||
asOfDateBasis === "period_range" ||
asOfDateBasis === "implicit_current_snapshot"
) {
return "confirmed_balance";
}
return "heuristic_candidates";
}
return null;
}
function balanceConfirmedFrom(input: {
intent: AddressIntent;
responseType: AddressResponseType;
}): boolean | null {
if (isHeuristicCandidatesIntent(input.intent)) {
return false;
}
if (isConfirmedBalanceIntent(input.intent)) {
return input.responseType !== "LIMITED_WITH_REASON";
}
return null;
}
function coverageStatusFrom(input: {
resultMode: AddressResultMode | null;
balanceConfirmed: boolean | null;
responseType: AddressResponseType;
rowsMatched: number;
}): AssistantCoverageStatus {
if (input.responseType === "LIMITED_WITH_REASON") {
return input.resultMode === "heuristic_candidates" ? "partial" : "blocked";
}
if (input.balanceConfirmed === false) {
return "partial";
}
if (input.rowsMatched > 0) {
return "full";
}
if (input.resultMode === "heuristic_candidates") {
return "partial";
}
if (input.resultMode === "confirmed_balance" && input.balanceConfirmed === true) {
return "full";
}
return "blocked";
}
function evidenceBasisFrom(input: {
resultMode: AddressResultMode | null;
responseType: AddressResponseType;
rowsMatched: number;
balanceConfirmed: boolean | null;
}): AddressCoverageEvidenceBasis {
if (input.responseType === "LIMITED_WITH_REASON") {
return "limited_response";
}
if (input.resultMode === "heuristic_candidates" || input.balanceConfirmed === false) {
return "heuristic_candidates";
}
if (input.rowsMatched > 0) {
return "matched_rows";
}
if (input.resultMode === "confirmed_balance") {
return "exact_negative";
}
return "unknown";
}
export function resolveAddressCoverageEvidence(
input: ResolveAddressCoverageEvidenceInput
): AddressCoverageEvidenceContract {
const requestedResultMode = resolveAddressRequestedResultMode(input.intent, input.filters, input.semanticFrame);
const resultMode = input.overrideResultMode ?? requestedResultMode;
const evidenceStrength =
input.overrideEvidenceStrength ?? deriveAddressEvidenceStrength(input);
const balanceConfirmed =
input.overrideBalanceConfirmed ?? balanceConfirmedFrom(input);
const asOfDateBasis = resolveAddressAsOfDateBasis(input.filters, input.semanticFrame);
const coverageStatus = coverageStatusFrom({
resultMode,
balanceConfirmed,
responseType: input.responseType,
rowsMatched: input.rowsMatched
});
const evidenceBasis = evidenceBasisFrom({
resultMode,
responseType: input.responseType,
rowsMatched: input.rowsMatched,
balanceConfirmed
});
const reasonCodes: string[] = [];
pushReason(reasonCodes, `coverage_status_${coverageStatus}`);
pushReason(reasonCodes, resultMode ? `result_mode_${resultMode}` : "result_mode_unknown");
pushReason(reasonCodes, evidenceStrength ? `evidence_strength_${evidenceStrength}` : "evidence_strength_none");
pushReason(reasonCodes, `evidence_basis_${evidenceBasis}`);
pushReason(reasonCodes, balanceConfirmed === true ? "balance_confirmed_true" : balanceConfirmed === false ? "balance_confirmed_false" : "balance_confirmed_unknown");
pushReason(reasonCodes, asOfDateBasis ? `as_of_date_basis_${asOfDateBasis}` : "as_of_date_basis_none");
return {
schema_version: ADDRESS_COVERAGE_EVIDENCE_SCHEMA_VERSION,
policy_owner: "addressCoverageEvidencePolicy",
requested_result_mode: requestedResultMode,
result_mode: resultMode,
evidence_strength: evidenceStrength,
balance_confirmed: balanceConfirmed,
as_of_date_basis: asOfDateBasis,
coverage_status: coverageStatus,
evidence_basis: evidenceBasis,
reason_codes: reasonCodes.slice(0, 24)
};
}
export function attachAddressCoverageEvidence<T extends Record<string, unknown>>(
debugPayload: T,
input: ResolveAddressCoverageEvidenceInput
): T & { address_coverage_evidence_v1: AddressCoverageEvidenceContract } {
return {
...debugPayload,
address_coverage_evidence_v1: resolveAddressCoverageEvidence(input)
};
}
export function toAddressCoverageEvidenceContract(value: unknown): AddressCoverageEvidenceContract | null {
const record = toRecordObject(value);
if (!record) {
return null;
}
const requestedResultMode = toNonEmptyString(record.requested_result_mode);
const resultMode = toNonEmptyString(record.result_mode);
const evidenceStrength = toNonEmptyString(record.evidence_strength);
const asOfDateBasis = toNonEmptyString(record.as_of_date_basis);
const coverageStatus = toNonEmptyString(record.coverage_status);
const evidenceBasis = toNonEmptyString(record.evidence_basis);
const balanceConfirmed = typeof record.balance_confirmed === "boolean" ? record.balance_confirmed : null;
if (!isCoverageStatus(coverageStatus) || !isEvidenceBasis(evidenceBasis)) {
return null;
}
if (requestedResultMode !== null && !isResultMode(requestedResultMode)) {
return null;
}
if (resultMode !== null && !isResultMode(resultMode)) {
return null;
}
if (evidenceStrength !== null && !isEvidenceStrength(evidenceStrength)) {
return null;
}
if (asOfDateBasis !== null && !isAsOfDateBasis(asOfDateBasis)) {
return null;
}
return {
schema_version: ADDRESS_COVERAGE_EVIDENCE_SCHEMA_VERSION,
policy_owner: "addressCoverageEvidencePolicy",
requested_result_mode: requestedResultMode,
result_mode: resultMode,
evidence_strength: evidenceStrength,
balance_confirmed: balanceConfirmed,
as_of_date_basis: asOfDateBasis,
coverage_status: coverageStatus,
evidence_basis: evidenceBasis,
reason_codes: Array.isArray(record.reason_codes)
? record.reason_codes
.map((item) => toNonEmptyString(item))
.filter((item): item is string => Boolean(item))
.slice(0, 24)
: []
};
}