Stage 4 / Wave 18 закрыт blocker-pack по временному якорю, полярности домена и допустимости evidence

2026-03-29 01:37:38 +03:00
parent d7e145010b
commit 60d8b96a14
16 changed files with 2405 additions and 146 deletions
@@ -1,8 +1,9 @@
-import type { UnifiedRetrievalResult } from "../types/assistant";
+import type { UnifiedRetrievalResult } from "../types/assistant";
 import type { NormalizedPayload } from "../types/normalizer";
 import type { CompanyAnchorSet } from "./companyAnchorResolver";
 import type { EvidenceItem } from "../types/stage1Contracts";
 import type { ProblemUnit } from "../types/stage2ProblemUnits";
+import type { ClaimBoundAnchorAudit } from "./assistantClaimBoundEvidence";

 type P0DomainHint = "settlements_60_62" | "vat_document_register_book" | "month_close_costs_20_44" | null;

@@ -20,31 +21,73 @@ interface TemporalWindow {
  granularity: "day" | "month";
 }

+const KNOWN_ACCOUNT_PREFIXES = new Set([
+  "01",
+  "02",
+  "07",
+  "08",
+  "10",
+  "13",
+  "19",
+  "20",
+  "21",
+  "23",
+  "25",
+  "26",
+  "28",
+  "29",
+  "41",
+  "43",
+  "44",
+  "45",
+  "50",
+  "51",
+  "52",
+  "55",
+  "57",
+  "58",
+  "60",
+  "62",
+  "66",
+  "67",
+  "68",
+  "69",
+  "70",
+  "71",
+  "73",
+  "76",
+  "90",
+  "91",
+  "94",
+  "96",
+  "97"
+]);
+
 const RUS_MONTH_TO_NUMBER: Record<string, string> = {
-  января: "01",
-  январь: "01",
-  февраля: "02",
-  февраль: "02",
-  марта: "03",
-  март: "03",
-  апреля: "04",
-  апрель: "04",
-  мая: "05",
-  май: "05",
-  июня: "06",
-  июнь: "06",
-  июля: "07",
-  июль: "07",
-  августа: "08",
-  август: "08",
-  сентября: "09",
-  сентябрь: "09",
-  октября: "10",
-  октябрь: "10",
-  ноября: "11",
-  ноябрь: "11",
-  декабря: "12",
-  декабрь: "12"
+  "\u044f\u043d\u0432\u0430\u0440\u044f": "01",
+  "\u044f\u043d\u0432\u0430\u0440\u044c": "01",
+  "\u0444\u0435\u0432\u0440\u0430\u043b\u044f": "02",
+  "\u0444\u0435\u0432\u0440\u0430\u043b\u044c": "02",
+  "\u043c\u0430\u0440\u0442\u0430": "03",
+  "\u043c\u0430\u0440\u0442": "03",
+  "\u0430\u043f\u0440\u0435\u043b\u044f": "04",
+  "\u0430\u043f\u0440\u0435\u043b\u044c": "04",
+  "\u043c\u0430\u044f": "05",
+  "\u043c\u0430\u0439": "05",
+  "\u0438\u044e\u043d\u044f": "06",
+  "\u0438\u044e\u043d\u044c": "06",
+  "\u0438\u044e\u043b\u044f": "07",
+  "\u0438\u044e\u043b\u044c": "07",
+  "\u0430\u0432\u0433\u0443\u0441\u0442\u0430": "08",
+  "\u0430\u0432\u0433\u0443\u0441\u0442": "08",
+  "\u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f": "09",
+  "\u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044c": "09",
+  "\u043e\u043a\u0442\u044f\u0431\u0440\u044f": "10",
+  "\u043e\u043a\u0442\u044f\u0431\u0440\u044c": "10",
+  "\u043d\u043e\u044f\u0431\u0440\u044f": "11",
+  "\u043d\u043e\u044f\u0431\u0440\u044c": "11",
+  "\u0434\u0435\u043a\u0430\u0431\u0440\u044f": "12",
+  "\u0434\u0435\u043a\u0430\u0431\u0440\u044c": "12"
 };

 function uniqueStrings(values: string[]): string[] {
@@ -75,7 +118,7 @@ function extractAccountsFromText(text: string): string[] {
  const lower = String(text ?? "").toLowerCase();
  const accounts = new Set<string>();
  const contextualPattern =
-    /(?:\b(?:сч(?:е|ё)т(?:а|у|ом|ов)?|account|schet)\b\s*(?:№|#|:)?\s*)(\d{2}(?:\.\d{2})?)/giu;
+    /(?:\b(?:СЃС‡(?:Рµ|С‘)С‚(?:Р°|Сѓ|РѕРј|РѕРІ)?|account|schet)\b\s*(?:в„–|#|:)?\s*)(\d{2}(?:\.\d{2})?)/giu;
  let contextualMatch: RegExpExecArray | null = null;
  while ((contextualMatch = contextualPattern.exec(lower)) !== null) {
    const token = String(contextualMatch[1] ?? "").trim();
@@ -91,6 +134,16 @@ function extractAccountsFromText(text: string): string[] {
    if (left) accounts.add(left);
    if (right) accounts.add(right);
  }
+  const genericAccountPattern = /\b(\d{2}(?:\.\d{2})?)\b/g;
+  let genericMatch: RegExpExecArray | null = null;
+  while ((genericMatch = genericAccountPattern.exec(lower)) !== null) {
+    const token = String(genericMatch[1] ?? "").trim();
+    const prefix = token.match(/^(\d{2})/)?.[1] ?? null;
+    if (!prefix || !KNOWN_ACCOUNT_PREFIXES.has(prefix)) {
+      continue;
+    }
+    accounts.add(token);
+  }
  return Array.from(accounts);
 }

@@ -155,7 +208,7 @@ function parseDateLike(raw: string): string | null {
    return normalizeDateIso({ year: parseYear(dayMonthYear[3]), month: dayMonthYear[2], day: dayMonthYear[1] });
  }
  const rusMonthYear = value.match(
-    /\b(январь|февраль|март|апрель|май|июнь|июль|август|сентябрь|октябрь|ноябрь|декабрь)\s+(20\d{2})\b/i
+    /\b(СЏРЅРІР°СЂСЊ|С„РµРІСЂР°Р»СЊ|РјР°СЂС‚|Р°РїСЂРµР»СЊ|РјР°Р№|РёСЋРЅСЊ|РёСЋР»СЊ|Р°РІРіСѓСЃС‚|СЃРµРЅС‚СЏР±СЂСЊ|РѕРєС‚СЏР±СЂСЊ|РЅРѕСЏР±СЂСЊ|РґРµРєР°Р±СЂСЊ)\s+(20\d{2})\b/i
  );
  if (rusMonthYear) {
    const month = RUS_MONTH_TO_NUMBER[String(rusMonthYear[1] ?? "").toLowerCase()];
@@ -195,6 +248,38 @@ function isPeriodWithinWindow(periodIso: string, window: TemporalWindow): boolea
  return normalized >= window.from && normalized <= window.to;
 }

+function shiftIsoDay(iso: string, deltaDays: number): string | null {
+  const normalized = normalizeEvidenceDate(iso);
+  if (!normalized) {
+    return null;
+  }
+  const date = new Date(`${normalized}T00:00:00Z`);
+  if (Number.isNaN(date.getTime())) {
+    return null;
+  }
+  date.setUTCDate(date.getUTCDate() + deltaDays);
+  const year = date.getUTCFullYear();
+  const month = String(date.getUTCMonth() + 1).padStart(2, "0");
+  const day = String(date.getUTCDate()).padStart(2, "0");
+  return `${year}-${month}-${day}`;
+}
+
+function buildAllowedContextWindow(primaryWindow: TemporalWindow | null): TemporalWindow | null {
+  if (!primaryWindow) {
+    return null;
+  }
+  const from = shiftIsoDay(primaryWindow.from, -365);
+  const to = shiftIsoDay(primaryWindow.to, 365);
+  if (!from || !to) {
+    return null;
+  }
+  return {
+    from,
+    to,
+    granularity: "month"
+  };
+}
+
 function extractNormalizedFragments(normalized: NormalizedPayload | null | undefined): Array<Record<string, unknown>> {
  if (!normalized || typeof normalized !== "object") {
    return [];
@@ -222,7 +307,7 @@ function normalizedAnchorFromFragments(normalized: NormalizedPayload | null | un
        source: `normalized_time_scope:${type || "unknown"}`
      };
    }
-    if (/(?:июл|july)/i.test(value)) {
+    if (/(?:июл|july|РёСЋР»)/i.test(value)) {
      return {
        value: `${JULY_YEAR}-${JULY_MONTH}`,
        source: `normalized_time_scope:${type || "unknown"}`
@@ -254,9 +339,9 @@ function resolveJulyAnchor(rawText: string): TemporalAnchorResolution {
  const raw = String(rawText ?? "");
  const lower = raw.toLowerCase();
  const explicitYear = lower.match(/\b(20\d{2})\b/)?.[1] ?? null;
-  const dayByNamedJuly = lower.match(/(?:^|\D)(0?[1-9]|[12]\d|3[01])\s+(?:июл(?:я|ь)?|july)(?:\D|$)/i);
+  const dayByNamedJuly = lower.match(/(?:^|\D)(0?[1-9]|[12]\d|3[01])\s+(?:июл(?:я|ь)?|july|РёСЋР»(?:СЏ|СЊ)?)(?:\D|$)/i);
  const dayByNumeric = lower.match(/\b(0?[1-9]|[12]\d|3[01])[./-](0?7)(?:[./-](\d{2}|\d{4}))?\b/);
-  const monthByNamed = /(июл|july)/i.test(lower);
+  const monthByNamed = /(?:июл|july|РёСЋР»)/i.test(lower);
  const monthByNumeric = /\b20\d{2}[-/.]0?7\b/.test(lower);
  if (!dayByNamedJuly && !dayByNumeric && !monthByNamed && !monthByNumeric) {
    return {
@@ -273,7 +358,7 @@ function resolveJulyAnchor(rawText: string): TemporalAnchorResolution {
  const applyGuard = anchorYear === JULY_YEAR;
  if (!applyGuard) {
    return {
-      raw: dayByNamedJuly?.[0] ?? dayByNumeric?.[0] ?? (monthByNamed ? "июль" : "07"),
+        raw: dayByNamedJuly?.[0] ?? dayByNumeric?.[0] ?? (monthByNamed ? "июль" : "07"),
      resolved: normalizeDateIso({
        year: anchorYear,
        month: JULY_MONTH,
@@ -322,6 +407,10 @@ export interface TemporalGuardAudit {
  temporal_guard_applied: boolean;
  temporal_guard_outcome: TemporalGuardOutcome;
  primary_period_window: TemporalWindow | null;
+  allowed_context_window: TemporalWindow | null;
+  controlled_temporal_expansion_enabled: boolean;
+  context_expansion_reasons_allowed: Array<"prehistory" | "carryover" | "post_period_closure" | "long_running_contract_context">;
+  normalized_anchor_drift_detected: boolean;
  reason_codes: string[];
 }

@@ -342,17 +431,23 @@ export function resolveTemporalGuard(input: {
      temporal_guard_applied: false,
      temporal_guard_outcome: "passed",
      primary_period_window: null,
+      allowed_context_window: null,
+      controlled_temporal_expansion_enabled: false,
+      context_expansion_reasons_allowed: ["prehistory", "carryover", "post_period_closure", "long_running_contract_context"],
+      normalized_anchor_drift_detected: false,
      reason_codes: []
    };
  }
  let outcome: TemporalGuardOutcome = "passed";
+  let normalizedAnchorDriftDetected = false;
  if (normalizedAnchor.value && julyAnchor.window && !isPeriodWithinWindow(normalizedAnchor.value, julyAnchor.window)) {
-    outcome = "failed_out_of_snapshot_window";
-    reasonCodes.push("normalized_anchor_out_of_snapshot_window");
+    normalizedAnchorDriftDetected = true;
+    reasonCodes.push("normalized_anchor_out_of_primary_window_overridden");
  } else if (!normalizedAnchor.value && !julyAnchor.resolved) {
    outcome = "ambiguous_limited";
    reasonCodes.push("missing_time_anchor_under_snapshot_lock");
  }
+  const allowedContextWindow = buildAllowedContextWindow(julyAnchor.window);
  return {
    raw_time_anchor: julyAnchor.raw,
    resolved_time_anchor: julyAnchor.resolved ?? normalizedAnchor.value,
@@ -360,6 +455,10 @@ export function resolveTemporalGuard(input: {
    temporal_guard_applied: true,
    temporal_guard_outcome: outcome,
    primary_period_window: julyAnchor.window,
+    allowed_context_window: allowedContextWindow,
+    controlled_temporal_expansion_enabled: true,
+    context_expansion_reasons_allowed: ["prehistory", "carryover", "post_period_closure", "long_running_contract_context"],
+    normalized_anchor_drift_detected: normalizedAnchorDriftDetected,
    reason_codes: reasonCodes
  };
 }
@@ -375,14 +474,14 @@ export function applyTemporalHintToExecutionPlan<
  }
  const hint =
    temporal.primary_period_window?.granularity === "day" && temporal.resolved_time_anchor
-      ? `в рамках company snapshot даты ${temporal.resolved_time_anchor}`
-      : `в рамках company snapshot июля 2020 (${JULY_WINDOW.from}..${JULY_WINDOW.to})`;
+      ? `primary period ${temporal.resolved_time_anchor}; controlled temporal expansion only for linked entities`
+      : `primary period July 2020 (${JULY_WINDOW.from}..${JULY_WINDOW.to}); controlled temporal expansion only for linked entities`;
  return executionPlan.map((item) => {
    if (!item.should_execute) {
      return item;
    }
    const text = String(item.fragment_text ?? "").trim();
-    if (/2020-07|июл|july/i.test(text)) {
+    if (/2020-07|июл|РёСЋР»|july/i.test(text)) {
      return item;
    }
    return {
@@ -422,7 +521,7 @@ export function resolveDomainPolarityGuard(input: {
    prefixes.has("62") ||
    prefixes.has("51") ||
    prefixes.has("76") ||
-    /(?:расч[её]т|оплат|аванс|долг|settlement|payment|tail|хвост|незакры|зач[её]т)/i.test(lower);
+    /(?:расч[её]т|оплат|аванс|долг|settlement|payment|tail|хвост|незакры|зач[её]т|СЂР°СЃС‡|РѕРїР»Р°С‚|Р°РІР°РЅСЃ|РґРѕР»Рі|С…РІРѕСЃС‚)/i.test(lower);
  if (!settlementSignal) {
    return {
      applied: false,
@@ -438,13 +537,13 @@ export function resolveDomainPolarityGuard(input: {
    };
  }
  const supplierScore =
-    (/(?:поставщ|supplier|vendor|кредитор|обязательств|payable)/i.test(lower) ? 2 : 0) +
+    (/(?:поставщ|supplier|vendor|кредитор|обязательств|payable|РїРѕСЃС‚Р°РІС‰|РєСЂРµРґРёС‚РѕСЂ|РѕР±СЏР·Р°С‚РµР»СЊСЃС‚РІ)/i.test(lower) ? 2 : 0) +
    (prefixes.has("60") ? 2 : 0) +
-    (/(?:счет\s*60|по\s*60)/i.test(lower) ? 1 : 0);
+    (/(?:сч[её]т\s*60|по\s*60|СЃС‡РµС‚\s*60|РїРѕ\s*60)/i.test(lower) ? 1 : 0);
  const customerScore =
-    (/(?:покупат|customer|buyer|дебитор|receivable)/i.test(lower) ? 2 : 0) +
+    (/(?:покупат|customer|buyer|дебитор|receivable|РїРѕРєСѓРїР°С‚|РґРµР±РёС‚РѕСЂ)/i.test(lower) ? 2 : 0) +
    (prefixes.has("62") ? 2 : 0) +
-    (/(?:счет\s*62|по\s*62)/i.test(lower) ? 1 : 0);
+    (/(?:сч[её]т\s*62|по\s*62|СЃС‡РµС‚\s*62|РїРѕ\s*62)/i.test(lower) ? 1 : 0);

  let polarity: DomainPolarity = "mixed_or_unresolved";
  if (supplierScore > 0 && customerScore === 0) {
@@ -478,17 +577,17 @@ export function applyPolarityHintToExecutionPlan<
  }
  const hint =
    polarity.polarity === "supplier_payable"
-      ? "контекст: расчеты с поставщиком, обязательство, счет 60"
-      : "контекст: расчеты с покупателем, дебиторская задолженность, счет 62";
+      ? "context: supplier settlement, payable, account 60"
+      : "context: customer settlement, receivable, account 62";
  return executionPlan.map((item) => {
    if (!item.should_execute) {
      return item;
    }
    const text = String(item.fragment_text ?? "").trim();
-    if (polarity.polarity === "supplier_payable" && /(поставщ|supplier|счет\s*60|по\s*60)/i.test(text)) {
+    if (polarity.polarity === "supplier_payable" && /(поставщ|supplier|сч[её]т\s*60|по\s*60|РїРѕСЃС‚Р°РІС‰|СЃС‡РµС‚\s*60|РїРѕ\s*60)/i.test(text)) {
      return item;
    }
-    if (polarity.polarity === "customer_receivable" && /(покупат|customer|счет\s*62|по\s*62)/i.test(text)) {
+    if (polarity.polarity === "customer_receivable" && /(покупат|customer|сч[её]т\s*62|по\s*62|РїРѕРєСѓРїР°С‚|СЃС‡РµС‚\s*62|РїРѕ\s*62)/i.test(text)) {
      return item;
    }
    return {
@@ -499,11 +598,11 @@ export function applyPolarityHintToExecutionPlan<
 }

 function containsReceivableSignal(value: string): boolean {
-  return /(?:customer_settlement|stale_receivable|receivable_closed|receivable|дебитор)/i.test(value);
+  return /(?:customer_settlement|stale_receivable|receivable_closed|receivable|РґРµР±РёС‚РѕСЂ)/i.test(value);
 }

 function containsPayableSignal(value: string): boolean {
-  return /(?:bank_settlement|payable|обязательств|supplier|поставщ|счет\s*60|\b60(?:\.\d{2})?\b)/i.test(value);
+  return /(?:bank_settlement|payable|РѕР±СЏР·Р°С‚РµР»СЊСЃС‚РІ|supplier|РїРѕСЃС‚Р°РІС‰|СЃС‡РµС‚\s*60|\b60(?:\.\d{2})?\b)/i.test(value);
 }

 function problemUnitCorpus(unit: ProblemUnit): string {
@@ -786,6 +885,32 @@ function liveAccountScopeWasApplied(result: UnifiedRetrievalResult): boolean {
  return Array.isArray(accountScope) && accountScope.length > 0;
 }

+function evidenceContextExpansionMeta(evidence: EvidenceItem): {
+  allowed: boolean;
+  reason: string | null;
+} {
+  const payload = toObject(evidence.payload);
+  const allowed = Boolean(payload?.context_expansion_allowed);
+  const reason = String(payload?.context_expansion_reason ?? "").trim() || null;
+  return { allowed, reason };
+}
+
+function itemContextExpansionMeta(item: Record<string, unknown>): {
+  allowed: boolean;
+  reason: string | null;
+} {
+  const allowed = Boolean(item.context_expansion_allowed);
+  const reason = String(item.context_expansion_reason ?? "").trim() || null;
+  return { allowed, reason };
+}
+
+function withinAllowedContextWindow(normalizedPeriod: string, temporal: TemporalGuardAudit): boolean {
+  if (!temporal.allowed_context_window) {
+    return false;
+  }
+  return normalizedPeriod >= temporal.allowed_context_window.from && normalizedPeriod <= temporal.allowed_context_window.to;
+}
+
 function evidenceAdmissibilityReasons(input: {
  evidence: EvidenceItem;
  temporal: TemporalGuardAudit;
@@ -803,10 +928,16 @@ function evidenceAdmissibilityReasons(input: {
  const period = extractEvidencePeriod(input.evidence);
  if (period && input.temporal.primary_period_window) {
    const normalized = normalizeEvidenceDate(period);
-    if (normalized && normalized > input.temporal.primary_period_window.to) {
-      reasons.add("future_dated_or_out_of_window");
-    } else if (normalized && !isPeriodWithinWindow(normalized, input.temporal.primary_period_window)) {
-      reasons.add("wrong_period");
+    const expansionMeta = evidenceContextExpansionMeta(input.evidence);
+    if (normalized && !isPeriodWithinWindow(normalized, input.temporal.primary_period_window)) {
+      const insideAllowed = withinAllowedContextWindow(normalized, input.temporal);
+      if (insideAllowed && expansionMeta.allowed && expansionMeta.reason) {
+        // Allowed controlled temporal expansion: period is outside primary but linked and explained.
+      } else if (normalized > input.temporal.primary_period_window.to && !insideAllowed) {
+        reasons.add("future_dated_or_out_of_window");
+      } else {
+        reasons.add("wrong_period");
+      }
    }
  }
  const accounts = evidenceAccounts(input.evidence);
@@ -854,10 +985,16 @@ function itemRejectReasons(input: {
  const period = itemPeriod(input.item);
  if (period && input.temporal.primary_period_window) {
    const normalized = normalizeEvidenceDate(period);
-    if (normalized && normalized > input.temporal.primary_period_window.to) {
-      reasons.add("future_dated_or_out_of_window");
-    } else if (normalized && !isPeriodWithinWindow(normalized, input.temporal.primary_period_window)) {
-      reasons.add("wrong_period");
+    const expansionMeta = itemContextExpansionMeta(input.item);
+    if (normalized && !isPeriodWithinWindow(normalized, input.temporal.primary_period_window)) {
+      const insideAllowed = withinAllowedContextWindow(normalized, input.temporal);
+      if (insideAllowed && expansionMeta.allowed && expansionMeta.reason) {
+        // Allowed controlled temporal expansion: period is outside primary but linked and explained.
+      } else if (normalized > input.temporal.primary_period_window.to && !insideAllowed) {
+        reasons.add("future_dated_or_out_of_window");
+      } else {
+        reasons.add("wrong_period");
+      }
    }
  }
  const accounts = itemAccounts(input.item);
@@ -924,7 +1061,9 @@ export function applyEvidenceAdmissibilityGate(input: {
        continue;
      }
      const limitationCode = String(item.limitation?.reason_code ?? "").trim();
-      if (!limitationCode && item.confidence !== "low") {
+      const payload = toObject(item.payload);
+      const expandedByContext = Boolean(payload?.context_expansion_reason);
+      if (!limitationCode && item.confidence !== "low" && !expandedByContext) {
        categoryBreakdown.hard_evidence += 1;
      } else {
        categoryBreakdown.supporting_signal += 1;
@@ -1008,9 +1147,13 @@ export interface GroundedAnswerEligibilityAudit {
  eligible: boolean;
  temporal_passed: boolean;
  polarity_passed: boolean;
+  claim_anchors_passed: boolean;
+  claim_anchor_resolution_rate: number | null;
+  missing_required_anchors: number;
  admissible_evidence_count: number;
  critical_contradiction: boolean;
  outcome: "grounded_allowed" | "limited_or_insufficient_evidence";
+  grounding_mode: "grounded_positive" | "limited_or_insufficient_evidence";
  reason_codes: string[];
 }

@@ -1018,13 +1161,32 @@ export function evaluateGroundedAnswerEligibility(input: {
  temporal: TemporalGuardAudit;
  polarity: DomainPolarityGuardAudit;
  evidence: EvidenceAdmissibilityAudit;
+  claimAnchors?: ClaimBoundAnchorAudit | null;
+  targetedEvidenceHitRate?: number | null;
 }): GroundedAnswerEligibilityAudit {
  const temporalPassed = input.temporal.temporal_guard_outcome === "passed";
  const polarityPassed =
    !input.polarity.applied || input.polarity.outcome === "passed" || input.polarity.outcome === "not_applicable";
+  const claimAnchorResolutionRate = input.claimAnchors ? Number(input.claimAnchors.claim_anchor_resolution_rate ?? 0) : null;
+  const missingRequiredAnchors = input.claimAnchors ? Number(input.claimAnchors.missing_anchors?.length ?? 0) : 0;
+  const requiredAnchorsCount = input.claimAnchors ? Number(input.claimAnchors.required_anchors?.length ?? 0) : 0;
+  const claimAnchorsPassed =
+    !input.claimAnchors ||
+    ((claimAnchorResolutionRate ?? 1) >= 0.5 &&
+      missingRequiredAnchors <= Math.max(1, Math.floor(Math.max(requiredAnchorsCount, 1) / 2)));
  const admissibleEvidenceCount = input.evidence.admissible_evidence_count;
  const criticalContradiction = Boolean(input.polarity.critical_contradiction);
-  const eligible = temporalPassed && polarityPassed && admissibleEvidenceCount > 0 && !criticalContradiction;
+  const targetedEvidencePassed =
+    input.targetedEvidenceHitRate == null || Number.isNaN(Number(input.targetedEvidenceHitRate))
+      ? true
+      : Number(input.targetedEvidenceHitRate) > 0;
+  const eligible =
+    temporalPassed &&
+    polarityPassed &&
+    claimAnchorsPassed &&
+    admissibleEvidenceCount > 0 &&
+    targetedEvidencePassed &&
+    !criticalContradiction;
  const reasonCodes: string[] = [];
  if (!temporalPassed) {
    reasonCodes.push(`temporal_guard_${input.temporal.temporal_guard_outcome}`);
@@ -1032,9 +1194,15 @@ export function evaluateGroundedAnswerEligibility(input: {
  if (!polarityPassed) {
    reasonCodes.push(`polarity_guard_${input.polarity.outcome}`);
  }
+  if (!claimAnchorsPassed) {
+    reasonCodes.push("claim_anchor_coverage_insufficient");
+  }
  if (admissibleEvidenceCount <= 0) {
    reasonCodes.push("admissible_evidence_count_zero");
  }
+  if (!targetedEvidencePassed) {
+    reasonCodes.push("targeted_evidence_hit_rate_zero");
+  }
  if (criticalContradiction) {
    reasonCodes.push("critical_domain_or_account_contradiction");
  }
@@ -1042,9 +1210,13 @@ export function evaluateGroundedAnswerEligibility(input: {
    eligible,
    temporal_passed: temporalPassed,
    polarity_passed: polarityPassed,
+    claim_anchors_passed: claimAnchorsPassed,
+    claim_anchor_resolution_rate: claimAnchorResolutionRate,
+    missing_required_anchors: missingRequiredAnchors,
    admissible_evidence_count: admissibleEvidenceCount,
    critical_contradiction: criticalContradiction,
    outcome: eligible ? "grounded_allowed" : "limited_or_insufficient_evidence",
+    grounding_mode: eligible ? "grounded_positive" : "limited_or_insufficient_evidence",
    reason_codes: uniqueStrings(reasonCodes)
  };
 }
@@ -1057,14 +1229,18 @@ export function applyEligibilityToGroundingCheck<T extends { status: string; rea
    return groundingCheck;
  }
  const status =
-    eligibility.admissible_evidence_count <= 0 || !eligibility.temporal_passed ? "no_grounded_answer" : "partial";
+    eligibility.admissible_evidence_count <= 0 || !eligibility.temporal_passed || !eligibility.claim_anchors_passed
+      ? "no_grounded_answer"
+      : "partial";
  const reasonMap: Record<string, string> = {
-    admissible_evidence_count_zero: "Недостаточно допустимого evidence для обоснованного ответа.",
-    critical_domain_or_account_contradiction: "Есть критическое противоречие по domain/account scope.",
-    temporal_guard_failed_out_of_snapshot_window: "Temporal anchor вышел за окно company snapshot (июль 2020).",
-    temporal_guard_ambiguous_limited: "Temporal anchor не разрешен надежно в пределах company snapshot.",
-    polarity_guard_limited_unresolved_polarity: "Не удалось надежно определить supplier/customer polarity.",
-    polarity_guard_blocked_conflict: "Обнаружен конфликт supplier/customer polarity в retrieval-контуре."
+    admissible_evidence_count_zero: "РќРµРґРѕСЃС‚Р°С‚РѕС‡РЅРѕ РґРѕРїСѓСЃС‚РёРјРѕРіРѕ evidence РґР»СЏ РѕР±РѕСЃРЅРѕРІР°РЅРЅРѕРіРѕ РѕС‚РІРµС‚Р°.",
+    critical_domain_or_account_contradiction: "Р•СЃС‚СЊ РєСЂРёС‚РёС‡РµСЃРєРѕРµ РїСЂРѕС‚РёРІРѕСЂРµС‡РёРµ РїРѕ domain/account scope.",
+    temporal_guard_failed_out_of_snapshot_window: "Temporal anchor РІС‹С€РµР» Р·Р° РѕРєРЅРѕ company snapshot (РёСЋР»СЊ 2020).",
+    temporal_guard_ambiguous_limited: "Temporal anchor РЅРµ СЂР°Р·СЂРµС€РµРЅ РЅР°РґРµР¶РЅРѕ РІ РїСЂРµРґРµР»Р°С… company snapshot.",
+    polarity_guard_limited_unresolved_polarity: "РќРµ СѓРґР°Р»РѕСЃСЊ РЅР°РґРµР¶РЅРѕ РѕРїСЂРµРґРµР»РёС‚СЊ supplier/customer polarity.",
+    polarity_guard_blocked_conflict: "РћР±РЅР°СЂСѓР¶РµРЅ РєРѕРЅС„Р»РёРєС‚ supplier/customer polarity РІ retrieval-РєРѕРЅС‚СѓСЂРµ.",
+    claim_anchor_coverage_insufficient: "РќРµРґРѕСЃС‚Р°С‚РѕС‡РЅРѕ РїРѕРєСЂС‹С‚РёСЏ required anchors РґР»СЏ claim-bound grounding.",
+    targeted_evidence_hit_rate_zero: "Targeted evidence acquisition РЅРµ РґР°Р» РґРѕРїСѓСЃС‚РёРјС‹С… РїРѕРїР°РґР°РЅРёР№ РїРѕ claim target path."
  };
  const reasons = [
    ...(Array.isArray(groundingCheck.reasons) ? groundingCheck.reasons : []),
@@ -1076,3 +1252,4 @@ export function applyEligibilityToGroundingCheck<T extends { status: string; rea
    reasons: uniqueStrings(reasons)
  };
 }
+