Этап 4 добивка двух хвостов: settlement polarity и чистое разделение month_close / RBP в live acceptance

llm_normalizer/backend/src/services/assistantClaimBoundEvidence.ts

@@ -26,6 +26,8 @@ export interface TemporalWindow {
 export interface ClaimBoundAnchorAudit {
   claim_type: ClaimType;
   settlement_role?: "supplier" | "customer" | "mixed" | "unknown";
+  settlement_role_resolution_reason?: string[];
+  polarity_resolution_status?: "resolved_supplier" | "resolved_customer" | "mixed" | "unknown" | "not_applicable";
   required_anchors: string[];
   resolved_anchors: Record<string, string[]>;
   missing_anchors: string[];
@@ -431,12 +433,29 @@ export function resolveClaimBoundAnchors(input: {
   if (!allowedContextWindow && input.primaryPeriod) {
     reasonCodes.push("controlled_temporal_expansion_window_unavailable");
   }
-  const settlementRole = resolveSettlementRole({
+  const settlementRoleRaw = resolveSettlementRole({
     claimType,
     counterpartyScope: resolvedAnchors.counterparty_scope ?? [],
     accountPrefixes,
     userMessage: input.userMessage
   });
+  const settlementRole = typeof settlementRoleRaw === "string" ? settlementRoleRaw : undefined;
+  const settlementRoleReason: string[] =
+    claimType === "prove_settlement_closure_state" || claimType === "prove_advance_offset_state"
+      ? settlementRole
+        ? [`settlement_role_resolved_${settlementRole}`]
+        : ["no_supplier_customer_anchor"]
+      : [];
+  const polarityResolutionStatus =
+    claimType === "prove_settlement_closure_state" || claimType === "prove_advance_offset_state"
+      ? settlementRole === "supplier"
+        ? "resolved_supplier"
+        : settlementRole === "customer"
+          ? "resolved_customer"
+          : settlementRole === "mixed"
+            ? "mixed"
+            : "unknown"
+      : "not_applicable";
   if (
     (claimType === "prove_settlement_closure_state" || claimType === "prove_advance_offset_state") &&
     (settlementRole === "mixed" || settlementRole === "unknown")
@@ -447,6 +466,8 @@ export function resolveClaimBoundAnchors(input: {
   return {
     claim_type: claimType,
     settlement_role: settlementRole,
+    settlement_role_resolution_reason: settlementRoleReason,
+    polarity_resolution_status: polarityResolutionStatus,
     required_anchors: requiredAnchors,
     resolved_anchors: resolvedAnchors,
     missing_anchors: missingAnchors,