ДОМЕНЫ - ВОПРОСЫ - НДС: Стабилизировать VAT MCP probe: добавить задержки, увеличить таймауты и retry на aborted

docs/TECH/address_route_expectations_v1.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "address_route_expectations_v1",
-  "updated_at": "2026-04-12T20:50:00.000Z",
+  "updated_at": "2026-04-13T00:15:00.000Z",
   "entries": [
     {
       "intent": "payables_confirmed_as_of_date",
@@ -20,6 +20,16 @@
       "expected_requested_result_modes": ["confirmed_balance"],
       "expected_result_modes": ["confirmed_balance"]
     },
+    {
+      "intent": "vat_payable_forecast",
+      "expected_selected_recipes": ["address_vat_payable_forecast_v1"]
+    },
+    {
+      "intent": "vat_liability_confirmed_for_tax_period",
+      "expected_selected_recipes": ["address_vat_liability_confirmed_tax_period_v1"],
+      "expected_requested_result_modes": ["confirmed_balance"],
+      "expected_result_modes": ["confirmed_balance"]
+    },
     {
       "intent": "list_payables_counterparties",
       "expected_selected_recipes": ["address_movements_payables_v1", "address_open_items_by_party_or_contract_v1"],

docs/TECH/capabilities_registry.json

@@ -1,6 +1,6 @@
 {
   "schema_version": "capabilities_registry_v1",
-  "updated_at": "2026-04-12T20:50:00.000Z",
+  "updated_at": "2026-04-13T00:15:00.000Z",
   "assistant_mode": "read_only",
   "groups": [
     {
@@ -11,6 +11,7 @@
       "maturity_status": "partial",
       "supported_operations": [
         "vat_period_snapshot",
+        "vat_liability_confirmed_for_tax_period",
         "vat_payable_confirmed_as_of_date",
         "vat_payable_forecast",
         "vat_turnover_breakdown"
@@ -34,6 +35,7 @@
       ],
       "related_routes": [
         "address_vat_payable_confirmed_as_of_date_v1",
+        "address_vat_liability_confirmed_tax_period_v1",
         "address_vat_payable_forecast_v1"
       ],
       "safe_alternatives": [

llm_normalizer/backend/dist/services/addressCapabilityPolicy.js

@@ -9,7 +9,8 @@ const COMPUTE_EXACT_INTENTS = new Set([
     "documents_forming_balance",
     "payables_confirmed_as_of_date",
     "receivables_confirmed_as_of_date",
-    "vat_payable_confirmed_as_of_date"
+    "vat_payable_confirmed_as_of_date",
+    "vat_liability_confirmed_for_tax_period"
 ]);
 const NAVIGATION_INTENTS = new Set([
     "list_documents_by_counterparty",
@@ -43,6 +44,9 @@ function defaultCapabilityId(intent) {
     if (intent === "vat_payable_confirmed_as_of_date") {
         return "confirmed_vat_payable_as_of_date";
     }
+    if (intent === "vat_liability_confirmed_for_tax_period") {
+        return "confirmed_vat_liability_for_tax_period";
+    }
     if (intent === "list_payables_counterparties") {
         return "payables_candidates_list";
     }
@@ -86,6 +90,14 @@ function resolveCapabilityEnabled(intent) {
                 : "vat_payable_confirmed_route_disabled_by_flag"
         };
     }
+    if (intent === "vat_liability_confirmed_for_tax_period") {
+        return {
+            enabled: config_1.FEATURE_ASSISTANT_ROUTE_BALANCE_EXACT_V1,
+            reason: config_1.FEATURE_ASSISTANT_ROUTE_BALANCE_EXACT_V1
+                ? "vat_liability_confirmed_tax_period_route_enabled"
+                : "vat_liability_confirmed_tax_period_route_disabled_by_flag"
+        };
+    }
     if (intent === "list_payables_counterparties") {
         return {
             enabled: config_1.FEATURE_ASSISTANT_ROUTE_PAYABLES_HEURISTIC_V1,

llm_normalizer/backend/dist/services/addressFilterExtractor.js

@@ -825,6 +825,9 @@ function requiredFiltersByIntent(intent) {
     if (intent === "vat_payable_confirmed_as_of_date") {
         return ["as_of_date"];
     }
+    if (intent === "vat_liability_confirmed_for_tax_period") {
+        return ["period_from", "period_to"];
+    }
     if (intent === "list_documents_by_counterparty" ||
         intent === "bank_operations_by_counterparty" ||
         intent === "list_contracts_by_counterparty") {
@@ -972,6 +975,17 @@ function extractAddressFilters(userMessage, intent) {
             }
         }
     }
+    if (intent === "vat_liability_confirmed_for_tax_period" && !periodRange.period_from && !periodRange.period_to) {
+        const periodToForQuarter = filters.period_to ?? vatAsOfDate ?? null;
+        if (periodToForQuarter) {
+            const quarterWindow = deriveQuarterWindowForDate(periodToForQuarter);
+            if (quarterWindow) {
+                filters.period_from = quarterWindow.period_from;
+                filters.period_to = quarterWindow.period_to;
+                warnings.push("period_derived_from_tax_quarter_for_confirmed_vat_liability");
+            }
+        }
+    }
     if (isManagementProfileIntent && !filters.period_to && !filters.as_of_date) {
         filters.period_to = new Date().toISOString().slice(0, 10);
         warnings.push("period_to_defaulted_today_for_management_profile");

llm_normalizer/backend/dist/services/addressIntentResolver.js

@@ -554,6 +554,31 @@ function hasForecastTaxSignal(text) {
     const hasTaxLexeme = /(?:ндс|vat|налог)/iu.test(text);
     return hasForecastLexeme && hasTaxLexeme;
 }
+function hasVatLiabilityConfirmedTaxPeriodSignal(text) {
+    const hasVatLexeme = /(?:ндс|vat)/iu.test(text);
+    if (!hasVatLexeme) {
+        return false;
+    }
+    const hasPaymentCue = /(?:к\s+уплате|надо|нужно|заплатить|уплатить|плат[её]ж|платежку|в\s+налогов|в\s+бюджет|должн[аы]?\s+заплатить)/iu.test(text);
+    if (!hasPaymentCue) {
+        return false;
+    }
+    const hasAsOfCue = /(?:на\s+дат|по\s+состоянию|на\s+конец|as\s+of)/iu.test(text);
+    if (hasAsOfCue) {
+        return false;
+    }
+    const hasTaxAuthorityCue = /(?:в\s+налогов|в\s+бюджет|декларац|налогов(?:ый|ую)\s+период)/iu.test(text);
+    const hasQuarterCue = /(?:\b[1-4]\s*(?:квартал|кв\.?)\b|квартал|кв\.?)/iu.test(text);
+    const hasZaPeriodCue = /(?:за\s+(?:\d{4}|январ|феврал|март|апрел|май|июн|июл|август|сентябр|октябр|ноябр|декабр|квартал|кв\.?|месяц|год|период))/iu.test(text);
+    const hasExplicitDayDate = /\b(?:\d{1,2}[./-]\d{1,2}[./-](?:\d{2}|\d{4})|(?:19|20)\d{2}[./-]\d{1,2}[./-]\d{1,2})\b/u.test(text);
+    const hasMonthYearNaCue = /(?:на\s+(?:январ|феврал|март|апрел|май|июн|июл|август|сентябр|октябр|ноябр|декабр)\S*\s+(?:19|20)\d{2})/iu.test(text);
+    const hasHowMuchCue = /(?:сколько|скока|скок)/iu.test(text);
+    // "На март 2020" и конкретная дата без налогового контекста чаще означают as-of срез.
+    if (!hasTaxAuthorityCue && !hasZaPeriodCue && !hasQuarterCue && (hasMonthYearNaCue || hasExplicitDayDate)) {
+        return false;
+    }
+    return hasTaxAuthorityCue || hasZaPeriodCue || hasQuarterCue || (hasHowMuchCue && hasTaxAuthorityCue);
+}
 function hasVatPayableConfirmedSignal(text) {
     const hasVatLexeme = /(?:ндс|vat)/iu.test(text);
     if (!hasVatLexeme) {
@@ -1277,6 +1302,13 @@ function hasAccountNumberAnchor(text) {
 }
 function resolveAddressIntent(userMessage) {
     const text = String(userMessage ?? "").trim().toLowerCase();
+    if (hasVatLiabilityConfirmedTaxPeriodSignal(text)) {
+        return {
+            intent: "vat_liability_confirmed_for_tax_period",
+            confidence: "high",
+            reasons: ["vat_liability_confirmed_tax_period_signal_detected"]
+        };
+    }
     if (hasForecastTaxSignal(text)) {
         return {
             intent: "vat_payable_forecast",

llm_normalizer/backend/dist/services/addressMcpClient.js

@@ -245,7 +245,10 @@ function filterRowsByAccountScope(rows, accountScope) {
 async function executeAddressMcpQuery(input) {
     const endpoint = buildMcpUrl("/api/execute_query");
     const controller = new AbortController();
-    const timeout = setTimeout(() => controller.abort(), Math.max(300, config_1.ASSISTANT_MCP_TIMEOUT_MS));
+    const resolvedTimeoutMs = typeof input.timeout_ms === "number" && Number.isFinite(input.timeout_ms)
+        ? Math.max(300, Math.trunc(input.timeout_ms))
+        : Math.max(300, config_1.ASSISTANT_MCP_TIMEOUT_MS);
+    const timeout = setTimeout(() => controller.abort(), resolvedTimeoutMs);
     try {
         const response = await fetch(endpoint, {
             method: "POST",
@@ -305,7 +308,10 @@ async function executeAddressMcpQuery(input) {
 async function executeAddressMcpMetadata(input) {
     const endpoint = buildMcpUrl("/api/get_metadata");
     const controller = new AbortController();
-    const timeout = setTimeout(() => controller.abort(), Math.max(300, config_1.ASSISTANT_MCP_TIMEOUT_MS));
+    const resolvedTimeoutMs = typeof input.timeout_ms === "number" && Number.isFinite(input.timeout_ms)
+        ? Math.max(300, Math.trunc(input.timeout_ms))
+        : Math.max(300, config_1.ASSISTANT_MCP_TIMEOUT_MS);
+    const timeout = setTimeout(() => controller.abort(), resolvedTimeoutMs);
     try {
         const body = {};
         if (typeof input.filter === "string" && input.filter.trim().length > 0) {

llm_normalizer/backend/dist/services/addressNavigationState.js

@@ -30,6 +30,7 @@ const RESULT_SET_TYPE_BY_INTENT = {
     list_payables_counterparties: "counterparty_list",
     payables_confirmed_as_of_date: "balance_snapshot",
     vat_payable_confirmed_as_of_date: "balance_snapshot",
+    vat_liability_confirmed_for_tax_period: "balance_snapshot",
     receivables_confirmed_as_of_date: "balance_snapshot",
     list_receivables_counterparties: "counterparty_list",
     list_contracts_by_counterparty: "contract_list",

llm_normalizer/backend/dist/services/addressQueryService.js

@@ -16,9 +16,20 @@ const ADDRESS_CONFIRMED_PAYABLES_MIN_LIMIT = 200;
 const COUNTERPARTY_CATALOG_LOOKUP_LIMIT = 1000;
 const COUNTERPARTY_CATALOG_CACHE_TTL_MS = 120_000;
 const VAT_METADATA_PROBE_LIMIT = 100;
-const VAT_SOURCE_PROBE_MAX_OBJECTS = 8;
-const VAT_METADATA_PROBE_TYPES = ["РегистрНакопления", "РегистрСведений", "Документ"];
-const VAT_METADATA_PROBE_MASKS = ["ндс", "книгапродаж", "книгапокупок", "счетфактур", "вычет", "восстанов"];
+const VAT_SOURCE_PROBE_MAX_OBJECTS = 4;
+const VAT_METADATA_PROBE_TYPES = ["РегистрНакопления"];
+const VAT_METADATA_PROBE_MASKS = ["ндс", "книгапродаж", "книгапокупок", "счетфактур"];
+const VAT_METADATA_PROBE_CONCURRENCY = 2;
+const VAT_METADATA_PROBE_STAGGER_MS = 90;
+const VAT_METADATA_PROBE_TIMEOUT_MS = 1_200;
+const VAT_METADATA_PROBE_RETRY_TIMEOUT_MS = 1_800;
+const VAT_METADATA_PROBE_RETRY_DELAY_MS = 140;
+const VAT_OBJECT_PROBE_CONCURRENCY = 1;
+const VAT_OBJECT_PROBE_STAGGER_MS = 120;
+const VAT_OBJECT_PROBE_TIMEOUT_MS = 1_500;
+const VAT_OBJECT_PROBE_ABORT_RETRY_TIMEOUT_MS = 2_200;
+const VAT_OBJECT_PROBE_ABORT_RETRY_DELAY_MS = 180;
+const VAT_OBJECT_PROBE_FALLBACK_TIMEOUT_MS = 1_500;
 const PARTY_ANCHOR_STOPWORDS = new Set([
     "ооо",
     "ао",
@@ -69,6 +80,28 @@ const ACCOUNT_ALIAS_MAP = {
     "62": ["покупатель", "покупателями", "расчеты с покупателями"],
     "76": ["прочие расчеты", "прочими дебиторами и кредиторами"]
 };
+const VAT_FALLBACK_METADATA_OBJECTS = [
+    {
+        fullName: "РегистрНакопления.НДСЗаписиКнигиПродаж",
+        synonym: "НДС Продажи",
+        objectType: "register"
+    },
+    {
+        fullName: "РегистрНакопления.НДСЗаписиКнигиПокупок",
+        synonym: "НДС Покупки",
+        objectType: "register"
+    },
+    {
+        fullName: "РегистрНакопления.НДСПредъявленный",
+        synonym: "НДС предъявленный",
+        objectType: "register"
+    },
+    {
+        fullName: "РегистрНакопления.НДСВключенныйВСтоимость",
+        synonym: "НДС, включенный в стоимость",
+        objectType: "register"
+    }
+];
 const COUNTERPARTY_CATALOG_LOOKUP_QUERY_TEMPLATE = `
 ВЫБРАТЬ ПЕРВЫЕ __LIMIT__
     ДАТАВРЕМЯ(2000, 1, 1, 0, 0, 0) КАК Период,
@@ -212,6 +245,70 @@ function extractVatMetadataObjects(rows) {
     }
     return out;
 }
+function isVatMetadataObject(item) {
+    const source = `${item.fullName} ${item.synonym ?? ""}`.toLowerCase().replace(/ё/g, "е");
+    if (source.includes("ндфл")) {
+        return false;
+    }
+    return /(?:ндс|книгапокуп|книгапродаж|счет[\s-]?фактур)/iu.test(source);
+}
+function isAbortErrorMessage(error) {
+    const normalized = String(error ?? "").toLowerCase();
+    if (!normalized) {
+        return false;
+    }
+    return normalized.includes("aborted") || normalized.includes("abort");
+}
+async function mapWithConcurrency(items, concurrency, worker) {
+    if (items.length === 0) {
+        return [];
+    }
+    const boundedConcurrency = Math.max(1, Math.min(Math.trunc(concurrency), items.length));
+    const results = new Array(items.length);
+    let nextIndex = 0;
+    const runners = Array.from({ length: boundedConcurrency }, async () => {
+        while (true) {
+            const currentIndex = nextIndex;
+            nextIndex += 1;
+            if (currentIndex >= items.length) {
+                break;
+            }
+            results[currentIndex] = await worker(items[currentIndex], currentIndex);
+        }
+    });
+    await Promise.all(runners);
+    return results;
+}
+function sleepMs(ms) {
+    const delayMs = Number.isFinite(ms) ? Math.max(0, Math.trunc(ms)) : 0;
+    if (delayMs <= 0) {
+        return Promise.resolve();
+    }
+    return new Promise((resolve) => setTimeout(resolve, delayMs));
+}
+async function executeVatMetadataProbeRequest(request) {
+    const firstAttempt = await (0, addressMcpClient_1.executeAddressMcpMetadata)({
+        ...request,
+        timeout_ms: VAT_METADATA_PROBE_TIMEOUT_MS
+    });
+    if (!firstAttempt.error || !isAbortErrorMessage(firstAttempt.error)) {
+        return firstAttempt;
+    }
+    await sleepMs(VAT_METADATA_PROBE_RETRY_DELAY_MS);
+    const retryLimit = Math.max(20, Math.min(request.limit, Math.trunc(request.limit / 2)));
+    const retryAttempt = await (0, addressMcpClient_1.executeAddressMcpMetadata)({
+        ...request,
+        limit: retryLimit,
+        timeout_ms: VAT_METADATA_PROBE_RETRY_TIMEOUT_MS
+    });
+    if (!retryAttempt.error) {
+        return retryAttempt;
+    }
+    return {
+        ...retryAttempt,
+        error: `${firstAttempt.error}; retry: ${retryAttempt.error}`
+    };
+}
 function scoreVatMetadataObject(item) {
     const fullName = item.fullName.toLowerCase();
     const synonym = String(item.synonym ?? "").toLowerCase();
@@ -239,8 +336,14 @@ function scoreVatMetadataObject(item) {
     }
     return score;
 }
-function buildVatObjectProbeQuery(object, asOfExpr) {
+function vatMetadataObjectPriority(item) {
+    const idx = VAT_FALLBACK_METADATA_OBJECTS.findIndex((fallback) => fallback.fullName === item.fullName);
+    return idx >= 0 ? idx : VAT_FALLBACK_METADATA_OBJECTS.length + 1;
+}
+function buildVatObjectProbeQuery(object, asOfExpr, mode = "latest") {
+    const orderClause = mode === "latest" ? "\nУПОРЯДОЧИТЬ ПО\n    Движения.Период УБЫВ" : "";
     if (object.objectType === "document") {
+        const documentOrderClause = mode === "latest" ? "\nУПОРЯДОЧИТЬ ПО\n    Док.Дата УБЫВ" : "";
         return `
 ВЫБРАТЬ ПЕРВЫЕ 1
     Док.Дата КАК Период,
@@ -252,9 +355,8 @@ function buildVatObjectProbeQuery(object, asOfExpr) {
     ${object.fullName} КАК Док
 ГДЕ
     Док.Дата <= ${asOfExpr}
-УПОРЯДОЧИТЬ ПО
-    Док.Дата УБЫВ
-`.trim();
+${documentOrderClause}
+`.trim().replace(/\n{3,}/g, "\n\n");
     }
     return `
 ВЫБРАТЬ ПЕРВЫЕ 1
@@ -267,9 +369,8 @@ function buildVatObjectProbeQuery(object, asOfExpr) {
     ${object.fullName} КАК Движения
 ГДЕ
     Движения.Период <= ${asOfExpr}
-УПОРЯДОЧИТЬ ПО
-    Движения.Период УБЫВ
-`.trim();
+${orderClause}
+`.trim().replace(/\n{3,}/g, "\n\n");
 }
 async function probeVatDirectSources(filters) {
     const asOfDate = normalizeIsoDateForQuery(filters.as_of_date) ??
@@ -301,17 +402,35 @@ async function probeVatDirectSources(filters) {
         name_mask: nameMask,
         limit: VAT_METADATA_PROBE_LIMIT
     })));
-    const metadataResponses = await Promise.all(metadataRequests.map((request) => (0, addressMcpClient_1.executeAddressMcpMetadata)(request)));
+    const metadataResponses = await mapWithConcurrency(metadataRequests, VAT_METADATA_PROBE_CONCURRENCY, async (request, index) => {
+        if (index > 0 && VAT_METADATA_PROBE_STAGGER_MS > 0) {
+            await sleepMs(index * VAT_METADATA_PROBE_STAGGER_MS);
+        }
+        return executeVatMetadataProbeRequest(request);
+    });
+    const metadataOutcomes = metadataResponses.map((response, index) => ({
+        request: metadataRequests[index],
+        response
+    }));
+    const successfulMetadataByType = new Map();
     const metadataErrors = [];
     const metadataObjectsBuffer = [];
-    for (const [index, response] of metadataResponses.entries()) {
-        const request = metadataRequests[index];
+    for (const { request, response } of metadataOutcomes) {
         if (response.error) {
-            metadataErrors.push(`${request.meta_type}:${request.name_mask}:${response.error}`);
             continue;
         }
+        const currentSuccessCount = successfulMetadataByType.get(request.meta_type) ?? 0;
+        successfulMetadataByType.set(request.meta_type, currentSuccessCount + 1);
         metadataObjectsBuffer.push(...extractVatMetadataObjects(response.rows));
     }
+    for (const { request, response } of metadataOutcomes) {
+        if (response.error) {
+            if (isAbortErrorMessage(response.error) && (successfulMetadataByType.get(request.meta_type) ?? 0) > 0) {
+                continue;
+            }
+            metadataErrors.push(`${request.meta_type}:${request.name_mask}:${response.error}`);
+        }
+    }
     const deduplicatedObjects = new Map();
     for (const item of metadataObjectsBuffer) {
         const existing = deduplicatedObjects.get(item.fullName);
@@ -326,47 +445,101 @@ async function probeVatDirectSources(filters) {
             });
         }
     }
-    const discoveredMetadataObjects = Array.from(deduplicatedObjects.values()).sort((a, b) => scoreVatMetadataObject(b) - scoreVatMetadataObject(a) || a.fullName.localeCompare(b.fullName, "ru"));
-    const metadataObjects = discoveredMetadataObjects.slice(0, VAT_SOURCE_PROBE_MAX_OBJECTS);
-    const probeRows = [];
-    for (const object of metadataObjects) {
-        const probeQuery = buildVatObjectProbeQuery(object, asOfExpr);
-        const probeResult = await (0, addressMcpClient_1.executeAddressMcpQuery)({
-            query: probeQuery,
-            limit: 1
+    const discoveredMetadataObjects = Array.from(deduplicatedObjects.values())
+        .filter((item) => isVatMetadataObject(item))
+        .sort((a, b) => vatMetadataObjectPriority(a) - vatMetadataObjectPriority(b) ||
+        scoreVatMetadataObject(b) - scoreVatMetadataObject(a) ||
+        a.fullName.localeCompare(b.fullName, "ru"));
+    const mergedMetadataObjectsMap = new Map();
+    for (const item of discoveredMetadataObjects) {
+        mergedMetadataObjectsMap.set(item.fullName, item);
+    }
+    for (const fallbackObject of VAT_FALLBACK_METADATA_OBJECTS) {
+        if (!mergedMetadataObjectsMap.has(fallbackObject.fullName)) {
+            mergedMetadataObjectsMap.set(fallbackObject.fullName, fallbackObject);
+        }
+    }
+    const metadataObjects = Array.from(mergedMetadataObjectsMap.values())
+        .sort((a, b) => vatMetadataObjectPriority(a) - vatMetadataObjectPriority(b) ||
+        scoreVatMetadataObject(b) - scoreVatMetadataObject(a) ||
+        a.fullName.localeCompare(b.fullName, "ru"))
+        .slice(0, VAT_SOURCE_PROBE_MAX_OBJECTS);
+    const probeRows = await mapWithConcurrency(metadataObjects, VAT_OBJECT_PROBE_CONCURRENCY, async (object, index) => {
+        if (index > 0 && VAT_OBJECT_PROBE_STAGGER_MS > 0) {
+            await sleepMs(index * VAT_OBJECT_PROBE_STAGGER_MS);
+        }
+        let probeResult = await (0, addressMcpClient_1.executeAddressMcpQuery)({
+            query: buildVatObjectProbeQuery(object, asOfExpr, "latest"),
+            limit: 1,
+            timeout_ms: VAT_OBJECT_PROBE_TIMEOUT_MS
         });
+        let fallbackUsed = false;
         if (probeResult.error) {
-            probeRows.push({
-                fullName: object.fullName,
-                synonym: object.synonym,
-                objectType: object.objectType,
-                status: "error",
-                rowsFetched: probeResult.fetched_rows,
-                error: probeResult.error
-            });
-            continue;
+            let latestError = probeResult.error;
+            if (isAbortErrorMessage(probeResult.error)) {
+                await sleepMs(VAT_OBJECT_PROBE_ABORT_RETRY_DELAY_MS);
+                const retryLatestResult = await (0, addressMcpClient_1.executeAddressMcpQuery)({
+                    query: buildVatObjectProbeQuery(object, asOfExpr, "latest"),
+                    limit: 1,
+                    timeout_ms: VAT_OBJECT_PROBE_ABORT_RETRY_TIMEOUT_MS
+                });
+                if (!retryLatestResult.error) {
+                    probeResult = retryLatestResult;
+                    latestError = null;
+                }
+                else {
+                    probeResult = retryLatestResult;
+                    latestError = `${latestError}; retry_latest: ${retryLatestResult.error}`;
+                }
+            }
+            if (probeResult.error) {
+                const fallbackResult = await (0, addressMcpClient_1.executeAddressMcpQuery)({
+                    query: buildVatObjectProbeQuery(object, asOfExpr, "exists"),
+                    limit: 1,
+                    timeout_ms: VAT_OBJECT_PROBE_FALLBACK_TIMEOUT_MS
+                });
+                if (!fallbackResult.error) {
+                    probeResult = fallbackResult;
+                    fallbackUsed = true;
+                }
+                else {
+                    return {
+                        fullName: object.fullName,
+                        synonym: object.synonym,
+                        objectType: object.objectType,
+                        status: "error",
+                        rowsFetched: probeResult.fetched_rows,
+                        error: `${latestError ?? probeResult.error}; fallback: ${fallbackResult.error}`
+                    };
+                }
+            }
         }
         const firstRow = probeResult.raw_rows[0] ?? null;
         const lastPeriod = firstRow !== null
-            ? valueAsString(firstRow.Период ?? firstRow.period).trim() ||
-                null
+            ? valueAsString(firstRow.Период ?? firstRow.period).trim() || null
             : null;
         const sampleRegistrator = firstRow !== null
             ? valueAsString(firstRow.Регистратор ??
                 firstRow.registrator ??
                 firstRow.Registrator).trim() || null
             : null;
-        probeRows.push({
+        return {
             fullName: object.fullName,
             synonym: object.synonym,
             objectType: object.objectType,
             status: probeResult.raw_rows.length > 0 ? "ok" : "empty",
             rowsFetched: probeResult.fetched_rows,
-            lastPeriod,
+            lastPeriod: fallbackUsed ? null : lastPeriod,
             sampleRegistrator
-        });
-    }
-    const status = metadataResponses.every((item) => item.error) ? "error" : "ok";
+        };
+    });
+    const hasProbeAttempts = probeRows.length > 0;
+    const hasNonErrorProbeResult = probeRows.some((item) => item.status !== "error");
+    const status = hasProbeAttempts && hasNonErrorProbeResult
+        ? "ok"
+        : metadataResponses.every((item) => item.error) && !hasProbeAttempts
+            ? "error"
+            : "ok";
     const allErrors = [
         ...metadataErrors,
         ...probeRows
@@ -909,7 +1082,8 @@ function isConfirmedBalanceIntent(intent) {
         intent === "documents_forming_balance" ||
         intent === "payables_confirmed_as_of_date" ||
         intent === "receivables_confirmed_as_of_date" ||
-        intent === "vat_payable_confirmed_as_of_date");
+        intent === "vat_payable_confirmed_as_of_date" ||
+        intent === "vat_liability_confirmed_for_tax_period");
 }
 function resolveAsOfDateBasis(filters) {
     const asOfDate = normalizeAnalysisDateHint(filters.as_of_date);
@@ -1566,6 +1740,9 @@ function buildLimitedOffers(input) {
     else if (input.intent === "vat_payable_confirmed_as_of_date") {
         offers.push("показать подтвержденную сумму НДС к уплате на дату среза по счетам 68*");
     }
+    else if (input.intent === "vat_liability_confirmed_for_tax_period") {
+        offers.push("показать подтвержденный расчет НДС к уплате за налоговый период по книгам продаж/покупок");
+    }
     else if (input.intent === "payables_confirmed_as_of_date") {
         offers.push("показать подтвержденный реестр открытых обязательств на дату среза по 60/76");
     }
@@ -1613,7 +1790,8 @@ function buildLimitedIntentSignalLine(input) {
         list_payables_counterparties: "Сигнал запроса: нужен ранжированный список кредиторов.",
         receivables_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез дебиторской задолженности на дату.",
         payables_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез обязательств к оплате на дату.",
-        vat_payable_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез НДС к уплате на дату."
+        vat_payable_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез НДС к уплате на дату.",
+        vat_liability_confirmed_for_tax_period: "Сигнал запроса: нужен подтвержденный расчет НДС к уплате за налоговый период."
     };
     const byShape = {
         AGGREGATE_LOOKUP: "Сигнал запроса: агрегатный вопрос по периоду/срезу.",
@@ -1745,7 +1923,9 @@ function buildLimitedExecutionResult(input) {
             ? "exact_receivables_mode_limited_response"
             : input.intent.intent === "vat_payable_confirmed_as_of_date"
                 ? "exact_vat_payable_mode_limited_response"
-                : null;
+                : input.intent.intent === "vat_liability_confirmed_for_tax_period"
+                    ? "exact_vat_tax_period_mode_limited_response"
+                    : null;
     const reasons = exactLimitedReason && !reasonsWithConfirmedFallback.includes(exactLimitedReason)
         ? [...reasonsWithConfirmedFallback, exactLimitedReason]
         : reasonsWithConfirmedFallback;
@@ -1973,6 +2153,10 @@ class AddressQueryService {
             !baseReasons.includes("confirmed_balance_exact_vat_payable_intent")) {
             baseReasons.push("confirmed_balance_exact_vat_payable_intent");
         }
+        if (intent.intent === "vat_liability_confirmed_for_tax_period" &&
+            !baseReasons.includes("confirmed_balance_exact_vat_tax_period_intent")) {
+            baseReasons.push("confirmed_balance_exact_vat_tax_period_intent");
+        }
         if (requestedResultMode === "confirmed_balance" &&
             recipeIntent === "open_items_by_counterparty_or_contract" &&
             !baseReasons.includes("confirmed_balance_unavailable_fallback_to_heuristic_candidates")) {
@@ -2899,13 +3083,15 @@ class AddressQueryService {
             });
         }
         const vatProbeRequired = composeIntent === "vat_payable_confirmed_as_of_date" ||
+            composeIntent === "vat_liability_confirmed_for_tax_period" ||
             (composeIntent === "vat_payable_forecast" && shouldProbeVatSourcesForForecast(userMessage));
         const vatDirectSourceProbe = vatProbeRequired ? await probeVatDirectSources(executionFilters) : null;
         const shouldEmphasizeNumbers = composeIntent === "vat_payable_forecast" ||
             composeIntent === "vat_payable_confirmed_as_of_date" ||
+            composeIntent === "vat_liability_confirmed_for_tax_period" ||
             composeIntent === "payables_confirmed_as_of_date" ||
             composeIntent === "receivables_confirmed_as_of_date";
-        const shouldUseRubCurrency = composeIntent === "vat_payable_forecast";
+        const shouldUseRubCurrency = composeIntent === "vat_payable_forecast" || composeIntent === "vat_liability_confirmed_for_tax_period";
         const factual = (0, composeStage_1.composeFactualReply)(composeIntent, filteredRows, composeOptionsFromFilters(executionFilters, {
             vatDirectSourceProbe,
             emphasizeNumbers: shouldEmphasizeNumbers,
@@ -2969,13 +3155,17 @@ class AddressQueryService {
         }
         const exactConfirmedIntent = (intent.intent === "payables_confirmed_as_of_date" && composeIntent === "payables_confirmed_as_of_date") ||
             (intent.intent === "receivables_confirmed_as_of_date" && composeIntent === "receivables_confirmed_as_of_date") ||
-            (intent.intent === "vat_payable_confirmed_as_of_date" && composeIntent === "vat_payable_confirmed_as_of_date");
+            (intent.intent === "vat_payable_confirmed_as_of_date" && composeIntent === "vat_payable_confirmed_as_of_date") ||
+            (intent.intent === "vat_liability_confirmed_for_tax_period" &&
+                composeIntent === "vat_liability_confirmed_for_tax_period");
         if (exactConfirmedIntent && factualResultSemantics.balance_confirmed !== true) {
             const exactModeName = intent.intent === "payables_confirmed_as_of_date"
                 ? "payables"
                 : intent.intent === "receivables_confirmed_as_of_date"
                     ? "receivables"
-                    : "vat_payable";
+                    : intent.intent === "vat_liability_confirmed_for_tax_period"
+                        ? "vat_tax_period"
+                        : "vat_payable";
             return buildLimitedExecutionResult({
                 mode,
                 shape,
@@ -3002,7 +3192,9 @@ class AddressQueryService {
                 reasonText: `exact ${exactModeName} mode: confirmed balance was not proven for the requested as-of slice`,
                 nextStep: intent.intent === "vat_payable_confirmed_as_of_date"
                     ? "specify as_of_date/organization or provide VAT settlement registers to prove exact VAT payable balance"
-                    : "specify as_of_date/counterparty or enable detailed settlement registers for exact confirmed balance",
+                    : intent.intent === "vat_liability_confirmed_for_tax_period"
+                        ? "specify tax period boundaries and ensure purchase/sales VAT books are available via MCP"
+                        : "specify as_of_date/counterparty or enable detailed settlement registers for exact confirmed balance",
                 limitations: [`exact_${exactModeName}_mode_unconfirmed_output_blocked`],
                 reasons: [...baseReasons, `exact_${exactModeName}_mode_unconfirmed_output_blocked`],
                 capabilityAudit,

llm_normalizer/backend/dist/services/addressRecipeCatalog.js

@@ -480,6 +480,29 @@ __WHERE_CLAUSE__
 УПОРЯДОЧИТЬ ПО
     Регистратор
 `;
+const VAT_LIABILITY_CONFIRMED_TAX_PERIOD_QUERY_TEMPLATE = `
+ВЫБРАТЬ
+    ДАТАВРЕМЯ(2000, 1, 1, 0, 0, 0) КАК Период,
+    "VAT_BOOK_SALES" КАК Регистратор,
+    "68.02" КАК СчетДт,
+    "" КАК СчетКт,
+    СУММА(ЕСТЬNULL(Движения.НДС, 0)) КАК Сумма
+ИЗ
+    РегистрНакопления.НДСЗаписиКнигиПродаж КАК Движения
+__WHERE_CLAUSE__
+ОБЪЕДИНИТЬ ВСЕ
+ВЫБРАТЬ
+    ДАТАВРЕМЯ(2000, 1, 1, 0, 0, 0) КАК Период,
+    "VAT_BOOK_PURCHASES" КАК Регистратор,
+    "19" КАК СчетДт,
+    "" КАК СчетКт,
+    СУММА(ЕСТЬNULL(Движения.НДС, 0)) КАК Сумма
+ИЗ
+    РегистрНакопления.НДСЗаписиКнигиПокупок КАК Движения
+__WHERE_CLAUSE__
+УПОРЯДОЧИТЬ ПО
+    Регистратор
+`;
 const BASE_RECIPES = [
     {
         recipe_id: "address_period_coverage_profile_v1",
@@ -582,6 +605,16 @@ const BASE_RECIPES = [
         account_scope_mode: "strict",
         query_template: "vat_payable_confirmed_as_of_balance_profile"
     },
+    {
+        recipe_id: "address_vat_liability_confirmed_tax_period_v1",
+        intent: "vat_liability_confirmed_for_tax_period",
+        purpose: "Build confirmed VAT liability for tax period from purchase/sales VAT books",
+        required_filters: ["period_from", "period_to"],
+        optional_filters: ["organization"],
+        default_limit: 32,
+        account_scope_mode: "preferred",
+        query_template: "vat_liability_confirmed_tax_period_profile"
+    },
     {
         recipe_id: "address_contracts_by_counterparty_v1",
         intent: "list_contracts_by_counterparty",
@@ -887,6 +920,7 @@ function maxLimitForIntent(intent) {
         intent === "supplier_payouts_profile" ||
         intent === "contract_usage_and_value" ||
         intent === "vat_payable_forecast" ||
+        intent === "vat_liability_confirmed_for_tax_period" ||
         intent === "list_contracts_by_counterparty" ||
         intent === "list_documents_by_counterparty" ||
         intent === "bank_operations_by_counterparty" ||
@@ -926,7 +960,8 @@ function buildAddressRecipePlan(recipe, filters) {
         recipe.query_template === "document_section_profile" ||
         recipe.query_template === "counterparty_roles_profile" ||
         recipe.query_template === "contract_usage_profile" ||
-        recipe.query_template === "vat_payable_forecast_profile";
+        recipe.query_template === "vat_payable_forecast_profile" ||
+        recipe.query_template === "vat_liability_confirmed_tax_period_profile";
     const baseLimit = typeof filters.limit === "number" && Number.isFinite(filters.limit)
         ? Math.max(1, Math.min(maxLimit, Math.trunc(filters.limit)))
         : recipe.default_limit;
@@ -993,45 +1028,29 @@ function buildAddressRecipePlan(recipe, filters) {
                                                 .replaceAll("__VAT68_DT_MATCH__", buildAccountPrefixPredicate("Движения.СчетДт", config_1.VAT_PAYABLE_68_PREFIXES))
                                                 .replaceAll("__VAT19_DT_MATCH__", buildAccountPrefixPredicate("Движения.СчетДт", config_1.VAT_PAYABLE_19_PREFIXES))
                                                 .replaceAll("__VAT19_KT_MATCH__", buildAccountPrefixPredicate("Движения.СчетКт", config_1.VAT_PAYABLE_19_PREFIXES))
-                                            : recipe.query_template === "vat_payable_confirmed_as_of_balance_profile"
-                                                ? (() => {
-                                                    const asOfExpr = (typeof filters.as_of_date === "string" && filters.as_of_date.trim().length > 0
-                                                        ? toDateTimeExpr(filters.as_of_date, true)
-                                                        : null) ??
-                                                        (typeof filters.period_to === "string" && filters.period_to.trim().length > 0
-                                                            ? toDateTimeExpr(filters.period_to, true)
+                                            : recipe.query_template === "vat_liability_confirmed_tax_period_profile"
+                                                ? VAT_LIABILITY_CONFIRMED_TAX_PERIOD_QUERY_TEMPLATE.replaceAll("__WHERE_CLAUSE__", buildManagementWhereClause(filters, "Движения.Период"))
+                                                : recipe.query_template === "vat_payable_confirmed_as_of_balance_profile"
+                                                    ? (() => {
+                                                        const asOfExpr = (typeof filters.as_of_date === "string" && filters.as_of_date.trim().length > 0
+                                                            ? toDateTimeExpr(filters.as_of_date, true)
                                                             : null) ??
-                                                        (typeof filters.period_from === "string" && filters.period_from.trim().length > 0
-                                                            ? toDateTimeExpr(filters.period_from, true)
-                                                            : null) ??
-                                                        "ТЕКУЩАЯДАТА()";
-                                                    return VAT_PAYABLE_CONFIRMED_AS_OF_QUERY_TEMPLATE
-                                                        .replaceAll("__LIMIT__", String(resolvedLimit))
-                                                        .replaceAll("__AS_OF_EXPR__", asOfExpr)
-                                                        .replaceAll("__VAT_PAYABLE_ACCOUNTS_MATCH__", buildAccountPrefixPredicate("Остатки.Счет", config_1.VAT_PAYABLE_68_PREFIXES))
-                                                        .replaceAll("__ORDER_DIRECTION__", resolveOrderDirection(filters.sort));
-                                                })()
-                                                : recipe.query_template === "contracts_by_counterparty_profile"
-                                                    ? CONTRACTS_BY_COUNTERPARTY_QUERY_TEMPLATE.replaceAll("__LIMIT__", String(resolvedLimit))
-                                                    : recipe.query_template === "payables_confirmed_as_of_balance_profile"
-                                                        ? (() => {
-                                                            const asOfExpr = (typeof filters.as_of_date === "string" && filters.as_of_date.trim().length > 0
-                                                                ? toDateTimeExpr(filters.as_of_date, true)
+                                                            (typeof filters.period_to === "string" && filters.period_to.trim().length > 0
+                                                                ? toDateTimeExpr(filters.period_to, true)
                                                                 : null) ??
-                                                                (typeof filters.period_to === "string" && filters.period_to.trim().length > 0
-                                                                    ? toDateTimeExpr(filters.period_to, true)
-                                                                    : null) ??
-                                                                (typeof filters.period_from === "string" && filters.period_from.trim().length > 0
-                                                                    ? toDateTimeExpr(filters.period_from, true)
-                                                                    : null) ??
-                                                                "ТЕКУЩАЯДАТА()";
-                                                            return PAYABLES_CONFIRMED_AS_OF_QUERY_TEMPLATE
-                                                                .replaceAll("__LIMIT__", String(resolvedLimit))
-                                                                .replaceAll("__AS_OF_EXPR__", asOfExpr)
-                                                                .replaceAll("__PAYABLE_ACCOUNTS_MATCH__", buildAccountPrefixPredicate("Остатки.Счет", ["60", "76"]))
-                                                                .replaceAll("__ORDER_DIRECTION__", resolveOrderDirection(filters.sort));
-                                                        })()
-                                                        : recipe.query_template === "receivables_confirmed_as_of_balance_profile"
+                                                            (typeof filters.period_from === "string" && filters.period_from.trim().length > 0
+                                                                ? toDateTimeExpr(filters.period_from, true)
+                                                                : null) ??
+                                                            "ТЕКУЩАЯДАТА()";
+                                                        return VAT_PAYABLE_CONFIRMED_AS_OF_QUERY_TEMPLATE
+                                                            .replaceAll("__LIMIT__", String(resolvedLimit))
+                                                            .replaceAll("__AS_OF_EXPR__", asOfExpr)
+                                                            .replaceAll("__VAT_PAYABLE_ACCOUNTS_MATCH__", buildAccountPrefixPredicate("Остатки.Счет", config_1.VAT_PAYABLE_68_PREFIXES))
+                                                            .replaceAll("__ORDER_DIRECTION__", resolveOrderDirection(filters.sort));
+                                                    })()
+                                                    : recipe.query_template === "contracts_by_counterparty_profile"
+                                                        ? CONTRACTS_BY_COUNTERPARTY_QUERY_TEMPLATE.replaceAll("__LIMIT__", String(resolvedLimit))
+                                                        : recipe.query_template === "payables_confirmed_as_of_balance_profile"
                                                             ? (() => {
                                                                 const asOfExpr = (typeof filters.as_of_date === "string" && filters.as_of_date.trim().length > 0
                                                                     ? toDateTimeExpr(filters.as_of_date, true)
@@ -1043,23 +1062,41 @@ function buildAddressRecipePlan(recipe, filters) {
                                                                         ? toDateTimeExpr(filters.period_from, true)
                                                                         : null) ??
                                                                     "ТЕКУЩАЯДАТА()";
-                                                                return RECEIVABLES_CONFIRMED_AS_OF_QUERY_TEMPLATE
+                                                                return PAYABLES_CONFIRMED_AS_OF_QUERY_TEMPLATE
                                                                     .replaceAll("__LIMIT__", String(resolvedLimit))
                                                                     .replaceAll("__AS_OF_EXPR__", asOfExpr)
-                                                                    .replaceAll("__RECEIVABLE_ACCOUNTS_MATCH__", buildAccountPrefixPredicate("Остатки.Счет", ["62", "76"]))
+                                                                    .replaceAll("__PAYABLE_ACCOUNTS_MATCH__", buildAccountPrefixPredicate("Остатки.Счет", ["60", "76"]))
                                                                     .replaceAll("__ORDER_DIRECTION__", resolveOrderDirection(filters.sort));
                                                             })()
-                                                            : MOVEMENTS_QUERY_TEMPLATE
-                                                                .replace("__LIMIT__", String(resolvedLimit))
-                                                                .replace("__WHERE_CLAUSE__", (() => {
-                                                                const extraConditions = [];
-                                                                const accountCondition = buildMovementAccountCondition(filters);
-                                                                if (accountCondition) {
-                                                                    extraConditions.push(accountCondition);
-                                                                }
-                                                                return buildWhereClause(filters, "Движения.Период", extraConditions);
-                                                            })())
-                                                                .replaceAll("__ORDER_DIRECTION__", resolveOrderDirection(filters.sort));
+                                                            : recipe.query_template === "receivables_confirmed_as_of_balance_profile"
+                                                                ? (() => {
+                                                                    const asOfExpr = (typeof filters.as_of_date === "string" && filters.as_of_date.trim().length > 0
+                                                                        ? toDateTimeExpr(filters.as_of_date, true)
+                                                                        : null) ??
+                                                                        (typeof filters.period_to === "string" && filters.period_to.trim().length > 0
+                                                                            ? toDateTimeExpr(filters.period_to, true)
+                                                                            : null) ??
+                                                                        (typeof filters.period_from === "string" && filters.period_from.trim().length > 0
+                                                                            ? toDateTimeExpr(filters.period_from, true)
+                                                                            : null) ??
+                                                                        "ТЕКУЩАЯДАТА()";
+                                                                    return RECEIVABLES_CONFIRMED_AS_OF_QUERY_TEMPLATE
+                                                                        .replaceAll("__LIMIT__", String(resolvedLimit))
+                                                                        .replaceAll("__AS_OF_EXPR__", asOfExpr)
+                                                                        .replaceAll("__RECEIVABLE_ACCOUNTS_MATCH__", buildAccountPrefixPredicate("Остатки.Счет", ["62", "76"]))
+                                                                        .replaceAll("__ORDER_DIRECTION__", resolveOrderDirection(filters.sort));
+                                                                })()
+                                                                : MOVEMENTS_QUERY_TEMPLATE
+                                                                    .replace("__LIMIT__", String(resolvedLimit))
+                                                                    .replace("__WHERE_CLAUSE__", (() => {
+                                                                    const extraConditions = [];
+                                                                    const accountCondition = buildMovementAccountCondition(filters);
+                                                                    if (accountCondition) {
+                                                                        extraConditions.push(accountCondition);
+                                                                    }
+                                                                    return buildWhereClause(filters, "Движения.Период", extraConditions);
+                                                                })())
+                                                                    .replaceAll("__ORDER_DIRECTION__", resolveOrderDirection(filters.sort));
     return {
         recipe,
         query,

llm_normalizer/backend/dist/services/address_runtime/composeStage.js

@@ -114,6 +114,9 @@ function emphasizeNumericTokens(line) {
     if (!line) {
         return line;
     }
+    const isDigit = (char) => /\d/.test(char);
+    const isLetter = (char) => /[A-Za-zА-Яа-яЁё]/.test(char);
+    const dateLikePunctuation = new Set([".", "-", "/", ":"]);
     const chunks = line.split(/(`[^`]*`)/g);
     return chunks
         .map((chunk, index) => {
@@ -123,9 +126,23 @@ function emphasizeNumericTokens(line) {
         return chunk.replace(/\b-?(?:\d{1,3}(?:[.\s]\d{3})+|\d+)(?:[.,]\d+)?\b/g, (match, offset, source) => {
             const before = offset > 0 ? source[offset - 1] : "";
             const after = offset + match.length < source.length ? source[offset + match.length] : "";
+            const before2 = offset > 1 ? source[offset - 2] : "";
+            const after2 = offset + match.length + 1 < source.length ? source[offset + match.length + 1] : "";
             if (before === "*" || after === "*") {
                 return match;
             }
+            if (isLetter(before) || isLetter(after)) {
+                return match;
+            }
+            if (offset === 0 && (after === "." || after === ")")) {
+                return match;
+            }
+            if (dateLikePunctuation.has(before) && isDigit(before2)) {
+                return match;
+            }
+            if (dateLikePunctuation.has(after) && isDigit(after2)) {
+                return match;
+            }
             return `**${match}**`;
         });
     })
@@ -1997,11 +2014,24 @@ function composeFactualReply(intent, rows, options = {}) {
         ];
         if (vatProbe && vatProbe.status === "ok") {
             const nonEmptySources = vatProbe.probedSources.filter((item) => item.status === "ok").length;
-            lines.push("", "Покрытие VAT-источников через MCP:", `- Найдено VAT-объектов: ${formatNumberWithDots(vatProbe.objectsTotal)} (документы: ${formatNumberWithDots(vatProbe.documentsTotal)}, регистры: ${formatNumberWithDots(vatProbe.registersTotal)}).`, `- Прямых источников проверено: ${formatNumberWithDots(vatProbe.probedSources.length)}.`, `- Источников с движениями до даты среза: ${formatNumberWithDots(nonEmptySources)}.`);
-            if (vatProbe.probedSources.length > 0) {
-                lines.push(...vatProbe.probedSources.slice(0, 6).map((item, index) => {
+            const statusRank = (status) => status === "ok" ? 0 : status === "empty" ? 1 : 2;
+            const orderedProbeRows = [...vatProbe.probedSources].sort((a, b) => statusRank(a.status) - statusRank(b.status) ||
+                a.fullName.localeCompare(b.fullName, "ru"));
+            const nonErrorProbeRows = orderedProbeRows.filter((item) => item.status !== "error");
+            const visibleProbeRows = (nonErrorProbeRows.length > 0 ? nonErrorProbeRows : orderedProbeRows).slice(0, 6);
+            const erroredSources = vatProbe.probedSources.filter((item) => item.status === "error").length;
+            lines.push("", "Покрытие VAT-источников через MCP:", `- Найдено VAT-объектов: ${formatNumberWithDots(vatProbe.objectsTotal)} (документы: ${formatNumberWithDots(vatProbe.documentsTotal)}, регистры: ${formatNumberWithDots(vatProbe.registersTotal)}).`, `- Прямых источников проверено: ${formatNumberWithDots(vatProbe.probedSources.length)}.`, `- Источников с движениями до даты среза: ${formatNumberWithDots(nonEmptySources)}.`, `- Источников с ошибкой запроса: ${formatNumberWithDots(erroredSources)}.`);
+            if (visibleProbeRows.length > 0) {
+                lines.push(...visibleProbeRows.map((item, index) => {
                     const name = item.synonym ? `${item.fullName} (${item.synonym})` : item.fullName;
-                    return `${index + 1}. ${name} | ${formatVatProbeStatusRu(item.status)}${item.lastPeriod ? ` | последнее движение: ${item.lastPeriod}` : ""}`;
+                    const extra = item.status === "ok"
+                        ? item.lastPeriod
+                            ? ` | последнее движение: ${item.lastPeriod}`
+                            : ""
+                        : item.status === "error" && item.error
+                            ? ` | ошибка: ${item.error}`
+                            : "";
+                    return `${index + 1}. ${name} | ${formatVatProbeStatusRu(item.status)}${extra}`;
                 }));
             }
             if (vatProbe.errors.length > 0) {
@@ -2044,6 +2074,64 @@ function composeFactualReply(intent, rows, options = {}) {
             text: joinLines(lines)
         };
     }
+    if (intent === "vat_liability_confirmed_for_tax_period") {
+        const rowsByMarker = new Map();
+        for (const row of rows) {
+            const marker = String(row.registrator ?? "").trim().toUpperCase();
+            if (!marker) {
+                continue;
+            }
+            const nextValue = (rowsByMarker.get(marker) ?? 0) + (row.amount ?? 0);
+            rowsByMarker.set(marker, nextValue);
+        }
+        const salesVat = rowsByMarker.get("VAT_BOOK_SALES") ?? 0;
+        const purchaseVat = rowsByMarker.get("VAT_BOOK_PURCHASES") ?? 0;
+        const netVat = salesVat - purchaseVat;
+        const vatToPay = Math.max(0, netVat);
+        const carryoverOrOverpayment = Math.max(0, -netVat);
+        const periodWindowLabel = options.periodFrom && options.periodTo ? `${formatDateRu(options.periodFrom)}..${formatDateRu(options.periodTo)}` : null;
+        const formatConfirmedMoney = (value) => (options.useRubCurrency ? formatMoneyRub(value) : formatMoney(value));
+        const vatProbe = options.vatDirectSourceProbe ?? null;
+        const lines = [
+            `Собран подтвержденный расчет НДС к уплате за налоговый период: ${formatConfirmedMoney(vatToPay)}.`,
+            `Налоговый период расчета: ${periodWindowLabel ?? "не задан (нужен явный период)"}.`,
+            `Потенциальный перенос/переплата: ${formatConfirmedMoney(carryoverOrOverpayment)}.`,
+            "Режим результата: подтвержденный расчет по регистрам книг продаж/покупок (tax-period mode, без surrogate-формулы 68/19).",
+            "",
+            "База расчета:",
+            `- Строк агрегата: ${formatNumberWithDots(rows.length)}.`,
+            `- НДС по книге продаж: ${formatConfirmedMoney(salesVat)}.`,
+            `- НДС по книге покупок (вычеты): ${formatConfirmedMoney(purchaseVat)}.`,
+            `- Нетто НДС (книга продаж - книга покупок): ${formatConfirmedMoney(netVat)}.`
+        ];
+        if (vatProbe && vatProbe.status === "ok") {
+            const nonEmptySources = vatProbe.probedSources.filter((item) => item.status === "ok").length;
+            const erroredSources = vatProbe.probedSources.filter((item) => item.status === "error").length;
+            lines.push("", "Покрытие VAT-источников через MCP:", `- Найдено VAT-объектов: ${formatNumberWithDots(vatProbe.objectsTotal)} (документы: ${formatNumberWithDots(vatProbe.documentsTotal)}, регистры: ${formatNumberWithDots(vatProbe.registersTotal)}).`, `- Прямых источников проверено: ${formatNumberWithDots(vatProbe.probedSources.length)}.`, `- Источников с движениями до даты среза: ${formatNumberWithDots(nonEmptySources)}.`, `- Источников с ошибкой запроса: ${formatNumberWithDots(erroredSources)}.`);
+            if (vatProbe.errors.length > 0) {
+                lines.push(`- Ограничения probe: ${vatProbe.errors.slice(0, 2).join("; ")}.`);
+            }
+            lines.push("- Сумма расчета выше получена по книгам продаж/покупок; probe использован для контроля полноты VAT-источников.");
+        }
+        else if (vatProbe && vatProbe.status === "error") {
+            lines.push("", "Покрытие VAT-источников через MCP: дополнительный probe недоступен (например, timeout metadata).", "Итоговая сумма НДС выше рассчитана по основному маршруту книг продаж/покупок; probe влияет только на диагностику покрытия.");
+            if (vatProbe.errors.length > 0) {
+                lines.push(`- Детали probe: ${vatProbe.errors.slice(0, 2).join("; ")}.`);
+            }
+        }
+        if (rows.length === 0) {
+            lines.push("", "За выбранный налоговый период не найдены строки книг продаж/покупок, поэтому подтвержденная сумма к уплате равна 0.");
+        }
+        return {
+            responseType: "FACTUAL_SUMMARY",
+            text: joinLines(lines),
+            semantics: {
+                result_mode: "confirmed_balance",
+                evidence_strength: "strong",
+                balance_confirmed: true
+            }
+        };
+    }
     if (intent === "vat_payable_confirmed_as_of_date") {
         const asOfDate = resolvePayablesAsOfDate(options);
         const confirmedRows = rows.filter((row) => {

llm_normalizer/backend/dist/services/address_runtime/decomposeStage.js

@@ -36,6 +36,9 @@ function hasVatCue(text) {
 function hasVatForecastCue(text) {
     return /(?:прогноз|forecast|прикин|оцен|план)/iu.test(String(text ?? ""));
 }
+function hasVatTaxPaymentCue(text) {
+    return /(?:к\s+уплате|надо|нужно|заплатить|уплатить|плат[её]ж|в\s+налогов|в\s+бюджет)/iu.test(String(text ?? ""));
+}
 function hasDocumentSignal(text) {
     return /(?:док(?:и|умент|ументы|ументов|ументами)|docs?|documents?|doki|docy|doci)/iu.test(String(text ?? ""));
 }
@@ -432,7 +435,10 @@ function mergeFollowupFilters(current, intent, userMessage, followupContext) {
     const hasExplicitPeriodInMessage = hasExplicitPeriodLiteral(userMessage);
     const currentHasPeriod = hasExplicitPeriodWindow(merged);
     const previousHasPeriod = hasExplicitPeriodWindow(previous);
-    if (intent === "vat_payable_forecast" && previousHasPeriod && hasFollowupSignal && !hasExplicitPeriodInMessage) {
+    if ((intent === "vat_payable_forecast" || intent === "vat_liability_confirmed_for_tax_period") &&
+        previousHasPeriod &&
+        hasFollowupSignal &&
+        !hasExplicitPeriodInMessage) {
         const currentPeriodFrom = toNonEmptyString(merged.period_from);
         const currentPeriodTo = toNonEmptyString(merged.period_to);
         const todayIso = new Date().toISOString().slice(0, 10);
@@ -465,6 +471,7 @@ function resolveMissingRequiredFilters(intent, filters) {
         payables_confirmed_as_of_date: ["as_of_date"],
         receivables_confirmed_as_of_date: ["as_of_date"],
         vat_payable_confirmed_as_of_date: ["as_of_date"],
+        vat_liability_confirmed_for_tax_period: ["period_from", "period_to"],
         list_documents_by_counterparty: ["counterparty"],
         bank_operations_by_counterparty: ["counterparty"],
         list_contracts_by_counterparty: ["counterparty"],
@@ -497,9 +504,11 @@ function deriveIntentWithFollowupContext(detectedIntent, userMessage, followupCo
     const hasAnyPartyAnchor = hasPreviousContract || hasPreviousCounterparty;
     const isVatFollowup = hasVatCue(normalizedMessage);
     if (detectedIntent.intent === "unknown" && isVatFollowup) {
-        const vatIntent = hasVatForecastCue(normalizedMessage)
-            ? "vat_payable_forecast"
-            : "vat_payable_confirmed_as_of_date";
+        const vatIntent = hasVatTaxPaymentCue(normalizedMessage)
+            ? "vat_liability_confirmed_for_tax_period"
+            : hasVatForecastCue(normalizedMessage)
+                ? "vat_payable_forecast"
+                : "vat_payable_confirmed_as_of_date";
         return {
             intent: vatIntent,
             confidence: "low",

llm_normalizer/backend/dist/services/address_runtime/predecomposeContract.js

@@ -95,7 +95,8 @@ function inferAggregationProfile(intent, shape) {
         intent === "documents_forming_balance" ||
         intent === "payables_confirmed_as_of_date" ||
         intent === "receivables_confirmed_as_of_date" ||
-        intent === "vat_payable_confirmed_as_of_date") {
+        intent === "vat_payable_confirmed_as_of_date" ||
+        intent === "vat_liability_confirmed_for_tax_period") {
         return "balance_snapshot";
     }
     if (intent === "open_items_by_counterparty_or_contract" ||

llm_normalizer/backend/dist/services/assistantService.js

@@ -3835,6 +3835,7 @@ const ADDRESS_INTENTS_KEEP_ADDRESS_LANE = new Set([
     "contract_usage_overview",
     "contract_usage_and_value",
     "vat_payable_forecast",
+    "vat_liability_confirmed_for_tax_period",
     "vat_payable_confirmed_as_of_date"
 ]);
 function resolveAssistantOrchestrationDecision(input) {

llm_normalizer/backend/src/services/addressCapabilityPolicy.ts

@@ -28,7 +28,8 @@ const COMPUTE_EXACT_INTENTS = new Set<AddressIntent>([
   "documents_forming_balance",
   "payables_confirmed_as_of_date",
   "receivables_confirmed_as_of_date",
-  "vat_payable_confirmed_as_of_date"
+  "vat_payable_confirmed_as_of_date",
+  "vat_liability_confirmed_for_tax_period"
 ]);
 const NAVIGATION_INTENTS = new Set<AddressIntent>([
   "list_documents_by_counterparty",
@@ -66,6 +67,9 @@ function defaultCapabilityId(intent: AddressIntent): string {
   if (intent === "vat_payable_confirmed_as_of_date") {
     return "confirmed_vat_payable_as_of_date";
   }
+  if (intent === "vat_liability_confirmed_for_tax_period") {
+    return "confirmed_vat_liability_for_tax_period";
+  }
   if (intent === "list_payables_counterparties") {
     return "payables_candidates_list";
   }
@@ -110,6 +114,14 @@ function resolveCapabilityEnabled(intent: AddressIntent): { enabled: boolean; re
         : "vat_payable_confirmed_route_disabled_by_flag"
     };
   }
+  if (intent === "vat_liability_confirmed_for_tax_period") {
+    return {
+      enabled: FEATURE_ASSISTANT_ROUTE_BALANCE_EXACT_V1,
+      reason: FEATURE_ASSISTANT_ROUTE_BALANCE_EXACT_V1
+        ? "vat_liability_confirmed_tax_period_route_enabled"
+        : "vat_liability_confirmed_tax_period_route_disabled_by_flag"
+    };
+  }
   if (intent === "list_payables_counterparties") {
     return {
       enabled: FEATURE_ASSISTANT_ROUTE_PAYABLES_HEURISTIC_V1,

llm_normalizer/backend/src/services/addressFilterExtractor.ts

@@ -932,6 +932,9 @@ function requiredFiltersByIntent(intent: AddressIntent): Array<keyof AddressFilt
   if (intent === "vat_payable_confirmed_as_of_date") {
     return ["as_of_date"];
   }
+  if (intent === "vat_liability_confirmed_for_tax_period") {
+    return ["period_from", "period_to"];
+  }
   if (
     intent === "list_documents_by_counterparty" ||
     intent === "bank_operations_by_counterparty" ||
@@ -1102,6 +1105,17 @@ export function extractAddressFilters(userMessage: string, intent: AddressIntent
       }
     }
   }
+  if (intent === "vat_liability_confirmed_for_tax_period" && !periodRange.period_from && !periodRange.period_to) {
+    const periodToForQuarter = filters.period_to ?? vatAsOfDate ?? null;
+    if (periodToForQuarter) {
+      const quarterWindow = deriveQuarterWindowForDate(periodToForQuarter);
+      if (quarterWindow) {
+        filters.period_from = quarterWindow.period_from;
+        filters.period_to = quarterWindow.period_to;
+        warnings.push("period_derived_from_tax_quarter_for_confirmed_vat_liability");
+      }
+    }
+  }
 
   if (isManagementProfileIntent && !filters.period_to && !filters.as_of_date) {
     filters.period_to = new Date().toISOString().slice(0, 10);

llm_normalizer/backend/src/services/addressIntentResolver.ts

@@ -602,6 +602,44 @@ function hasForecastTaxSignal(text: string): boolean {
   return hasForecastLexeme && hasTaxLexeme;
 }
 
+function hasVatLiabilityConfirmedTaxPeriodSignal(text: string): boolean {
+  const hasVatLexeme = /(?:ндс|vat)/iu.test(text);
+  if (!hasVatLexeme) {
+    return false;
+  }
+  const hasPaymentCue =
+    /(?:к\s+уплате|надо|нужно|заплатить|уплатить|плат[её]ж|платежку|в\s+налогов|в\s+бюджет|должн[аы]?\s+заплатить)/iu.test(
+      text
+    );
+  if (!hasPaymentCue) {
+    return false;
+  }
+  const hasAsOfCue = /(?:на\s+дат|по\s+состоянию|на\s+конец|as\s+of)/iu.test(text);
+  if (hasAsOfCue) {
+    return false;
+  }
+  const hasTaxAuthorityCue = /(?:в\s+налогов|в\s+бюджет|декларац|налогов(?:ый|ую)\s+период)/iu.test(text);
+  const hasQuarterCue = /(?:\b[1-4]\s*(?:квартал|кв\.?)\b|квартал|кв\.?)/iu.test(text);
+  const hasZaPeriodCue =
+    /(?:за\s+(?:\d{4}|январ|феврал|март|апрел|май|июн|июл|август|сентябр|октябр|ноябр|декабр|квартал|кв\.?|месяц|год|период))/iu.test(
+      text
+    );
+  const hasExplicitDayDate =
+    /\b(?:\d{1,2}[./-]\d{1,2}[./-](?:\d{2}|\d{4})|(?:19|20)\d{2}[./-]\d{1,2}[./-]\d{1,2})\b/u.test(text);
+  const hasMonthYearNaCue =
+    /(?:на\s+(?:январ|феврал|март|апрел|май|июн|июл|август|сентябр|октябр|ноябр|декабр)\S*\s+(?:19|20)\d{2})/iu.test(
+      text
+    );
+  const hasHowMuchCue = /(?:сколько|скока|скок)/iu.test(text);
+
+  // "На март 2020" и конкретная дата без налогового контекста чаще означают as-of срез.
+  if (!hasTaxAuthorityCue && !hasZaPeriodCue && !hasQuarterCue && (hasMonthYearNaCue || hasExplicitDayDate)) {
+    return false;
+  }
+
+  return hasTaxAuthorityCue || hasZaPeriodCue || hasQuarterCue || (hasHowMuchCue && hasTaxAuthorityCue);
+}
+
 function hasVatPayableConfirmedSignal(text: string): boolean {
   const hasVatLexeme = /(?:ндс|vat)/iu.test(text);
   if (!hasVatLexeme) {
@@ -1503,6 +1541,14 @@ function hasAccountNumberAnchor(text: string): boolean {
 export function resolveAddressIntent(userMessage: string): AddressIntentResolution {
   const text = String(userMessage ?? "").trim().toLowerCase();
 
+  if (hasVatLiabilityConfirmedTaxPeriodSignal(text)) {
+    return {
+      intent: "vat_liability_confirmed_for_tax_period",
+      confidence: "high",
+      reasons: ["vat_liability_confirmed_tax_period_signal_detected"]
+    };
+  }
+
   if (hasForecastTaxSignal(text)) {
     return {
       intent: "vat_payable_forecast",

llm_normalizer/backend/src/services/addressMcpClient.ts

@@ -297,6 +297,7 @@ export async function executeAddressMcpQuery(input: {
   query: string;
   limit: number;
   account_scope?: string[];
+  timeout_ms?: number;
 }): Promise<{
   fetched_rows: number;
   matched_rows: number;
@@ -306,7 +307,11 @@ export async function executeAddressMcpQuery(input: {
 }> {
   const endpoint = buildMcpUrl("/api/execute_query");
   const controller = new AbortController();
-  const timeout = setTimeout(() => controller.abort(), Math.max(300, ASSISTANT_MCP_TIMEOUT_MS));
+  const resolvedTimeoutMs =
+    typeof input.timeout_ms === "number" && Number.isFinite(input.timeout_ms)
+      ? Math.max(300, Math.trunc(input.timeout_ms))
+      : Math.max(300, ASSISTANT_MCP_TIMEOUT_MS);
+  const timeout = setTimeout(() => controller.abort(), resolvedTimeoutMs);
   try {
     const response = await fetch(endpoint, {
       method: "POST",
@@ -373,10 +378,15 @@ export async function executeAddressMcpMetadata(input: {
   offset?: number;
   sections?: string[];
   extension_name?: string | null;
+  timeout_ms?: number;
 }): Promise<AddressMcpMetadataRowsResult> {
   const endpoint = buildMcpUrl("/api/get_metadata");
   const controller = new AbortController();
-  const timeout = setTimeout(() => controller.abort(), Math.max(300, ASSISTANT_MCP_TIMEOUT_MS));
+  const resolvedTimeoutMs =
+    typeof input.timeout_ms === "number" && Number.isFinite(input.timeout_ms)
+      ? Math.max(300, Math.trunc(input.timeout_ms))
+      : Math.max(300, ASSISTANT_MCP_TIMEOUT_MS);
+  const timeout = setTimeout(() => controller.abort(), resolvedTimeoutMs);
   try {
     const body: Record<string, unknown> = {};
     if (typeof input.filter === "string" && input.filter.trim().length > 0) {

llm_normalizer/backend/src/services/addressNavigationState.ts

@@ -39,6 +39,7 @@ const RESULT_SET_TYPE_BY_INTENT: Partial<Record<AddressIntent, AddressResultSetT
   list_payables_counterparties: "counterparty_list",
   payables_confirmed_as_of_date: "balance_snapshot",
   vat_payable_confirmed_as_of_date: "balance_snapshot",
+  vat_liability_confirmed_for_tax_period: "balance_snapshot",
   receivables_confirmed_as_of_date: "balance_snapshot",
   list_receivables_counterparties: "counterparty_list",
   list_contracts_by_counterparty: "contract_list",

llm_normalizer/backend/src/services/addressQueryService.ts

@@ -27,7 +27,11 @@ import {
   selectAddressRecipe,
   type AddressRecipeExecutionPlan
 } from "./addressRecipeCatalog";
-import { executeAddressMcpMetadata, executeAddressMcpQuery } from "./addressMcpClient";
+import {
+  executeAddressMcpMetadata,
+  executeAddressMcpQuery,
+  type AddressMcpMetadataRowsResult
+} from "./addressMcpClient";
 import { runAddressDecomposeStage, type AddressFollowupContext } from "./address_runtime/decomposeStage";
 import { resolvePrimaryAnchor, refineAnchorFromRows, type AnchorResolutionDebug } from "./address_runtime/resolveStage";
 import {
@@ -87,9 +91,20 @@ const ADDRESS_CONFIRMED_PAYABLES_MIN_LIMIT = 200;
 const COUNTERPARTY_CATALOG_LOOKUP_LIMIT = 1000;
 const COUNTERPARTY_CATALOG_CACHE_TTL_MS = 120_000;
 const VAT_METADATA_PROBE_LIMIT = 100;
-const VAT_SOURCE_PROBE_MAX_OBJECTS = 8;
-const VAT_METADATA_PROBE_TYPES = ["РегистрНакопления", "РегистрСведений", "Документ"] as const;
-const VAT_METADATA_PROBE_MASKS = ["ндс", "книгапродаж", "книгапокупок", "счетфактур", "вычет", "восстанов"] as const;
+const VAT_SOURCE_PROBE_MAX_OBJECTS = 4;
+const VAT_METADATA_PROBE_TYPES = ["РегистрНакопления"] as const;
+const VAT_METADATA_PROBE_MASKS = ["ндс", "книгапродаж", "книгапокупок", "счетфактур"] as const;
+const VAT_METADATA_PROBE_CONCURRENCY = 2;
+const VAT_METADATA_PROBE_STAGGER_MS = 90;
+const VAT_METADATA_PROBE_TIMEOUT_MS = 1_200;
+const VAT_METADATA_PROBE_RETRY_TIMEOUT_MS = 1_800;
+const VAT_METADATA_PROBE_RETRY_DELAY_MS = 140;
+const VAT_OBJECT_PROBE_CONCURRENCY = 1;
+const VAT_OBJECT_PROBE_STAGGER_MS = 120;
+const VAT_OBJECT_PROBE_TIMEOUT_MS = 1_500;
+const VAT_OBJECT_PROBE_ABORT_RETRY_TIMEOUT_MS = 2_200;
+const VAT_OBJECT_PROBE_ABORT_RETRY_DELAY_MS = 180;
+const VAT_OBJECT_PROBE_FALLBACK_TIMEOUT_MS = 1_500;
 const PARTY_ANCHOR_STOPWORDS = new Set([
   "ооо",
   "ао",
@@ -146,6 +161,28 @@ interface VatMetadataObject {
   synonym: string | null;
   objectType: "document" | "register";
 }
+const VAT_FALLBACK_METADATA_OBJECTS: VatMetadataObject[] = [
+  {
+    fullName: "РегистрНакопления.НДСЗаписиКнигиПродаж",
+    synonym: "НДС Продажи",
+    objectType: "register"
+  },
+  {
+    fullName: "РегистрНакопления.НДСЗаписиКнигиПокупок",
+    synonym: "НДС Покупки",
+    objectType: "register"
+  },
+  {
+    fullName: "РегистрНакопления.НДСПредъявленный",
+    synonym: "НДС предъявленный",
+    objectType: "register"
+  },
+  {
+    fullName: "РегистрНакопления.НДСВключенныйВСтоимость",
+    synonym: "НДС, включенный в стоимость",
+    objectType: "register"
+  }
+];
 const COUNTERPARTY_CATALOG_LOOKUP_QUERY_TEMPLATE = `
 ВЫБРАТЬ ПЕРВЫЕ __LIMIT__
     ДАТАВРЕМЯ(2000, 1, 1, 0, 0, 0) КАК Период,
@@ -312,6 +349,85 @@ function extractVatMetadataObjects(rows: Array<Record<string, unknown>>): VatMet
   return out;
 }
 
+function isVatMetadataObject(item: VatMetadataObject): boolean {
+  const source = `${item.fullName} ${item.synonym ?? ""}`.toLowerCase().replace(/ё/g, "е");
+  if (source.includes("ндфл")) {
+    return false;
+  }
+  return /(?:ндс|книгапокуп|книгапродаж|счет[\s-]?фактур)/iu.test(source);
+}
+
+function isAbortErrorMessage(error: string | null | undefined): boolean {
+  const normalized = String(error ?? "").toLowerCase();
+  if (!normalized) {
+    return false;
+  }
+  return normalized.includes("aborted") || normalized.includes("abort");
+}
+
+async function mapWithConcurrency<T, R>(
+  items: T[],
+  concurrency: number,
+  worker: (item: T, index: number) => Promise<R>
+): Promise<R[]> {
+  if (items.length === 0) {
+    return [];
+  }
+  const boundedConcurrency = Math.max(1, Math.min(Math.trunc(concurrency), items.length));
+  const results = new Array<R>(items.length);
+  let nextIndex = 0;
+  const runners = Array.from({ length: boundedConcurrency }, async () => {
+    while (true) {
+      const currentIndex = nextIndex;
+      nextIndex += 1;
+      if (currentIndex >= items.length) {
+        break;
+      }
+      results[currentIndex] = await worker(items[currentIndex], currentIndex);
+    }
+  });
+  await Promise.all(runners);
+  return results;
+}
+
+function sleepMs(ms: number): Promise<void> {
+  const delayMs = Number.isFinite(ms) ? Math.max(0, Math.trunc(ms)) : 0;
+  if (delayMs <= 0) {
+    return Promise.resolve();
+  }
+  return new Promise((resolve) => setTimeout(resolve, delayMs));
+}
+
+async function executeVatMetadataProbeRequest(request: {
+  meta_type: string;
+  name_mask: string;
+  limit: number;
+}): Promise<AddressMcpMetadataRowsResult> {
+  const firstAttempt = await executeAddressMcpMetadata({
+    ...request,
+    timeout_ms: VAT_METADATA_PROBE_TIMEOUT_MS
+  });
+  if (!firstAttempt.error || !isAbortErrorMessage(firstAttempt.error)) {
+    return firstAttempt;
+  }
+
+  await sleepMs(VAT_METADATA_PROBE_RETRY_DELAY_MS);
+  const retryLimit = Math.max(20, Math.min(request.limit, Math.trunc(request.limit / 2)));
+  const retryAttempt = await executeAddressMcpMetadata({
+    ...request,
+    limit: retryLimit,
+    timeout_ms: VAT_METADATA_PROBE_RETRY_TIMEOUT_MS
+  });
+  if (!retryAttempt.error) {
+    return retryAttempt;
+  }
+
+  return {
+    ...retryAttempt,
+    error: `${firstAttempt.error}; retry: ${retryAttempt.error}`
+  };
+}
+
 function scoreVatMetadataObject(item: VatMetadataObject): number {
   const fullName = item.fullName.toLowerCase();
   const synonym = String(item.synonym ?? "").toLowerCase();
@@ -340,8 +456,17 @@ function scoreVatMetadataObject(item: VatMetadataObject): number {
   return score;
 }
 
-function buildVatObjectProbeQuery(object: VatMetadataObject, asOfExpr: string): string {
+function vatMetadataObjectPriority(item: VatMetadataObject): number {
+  const idx = VAT_FALLBACK_METADATA_OBJECTS.findIndex((fallback) => fallback.fullName === item.fullName);
+  return idx >= 0 ? idx : VAT_FALLBACK_METADATA_OBJECTS.length + 1;
+}
+
+type VatObjectProbeMode = "latest" | "exists";
+
+function buildVatObjectProbeQuery(object: VatMetadataObject, asOfExpr: string, mode: VatObjectProbeMode = "latest"): string {
+  const orderClause = mode === "latest" ? "\nУПОРЯДОЧИТЬ ПО\n    Движения.Период УБЫВ" : "";
   if (object.objectType === "document") {
+    const documentOrderClause = mode === "latest" ? "\nУПОРЯДОЧИТЬ ПО\n    Док.Дата УБЫВ" : "";
     return `
 ВЫБРАТЬ ПЕРВЫЕ 1
     Док.Дата КАК Период,
@@ -353,9 +478,8 @@ function buildVatObjectProbeQuery(object: VatMetadataObject, asOfExpr: string):
     ${object.fullName} КАК Док
 ГДЕ
     Док.Дата <= ${asOfExpr}
-УПОРЯДОЧИТЬ ПО
-    Док.Дата УБЫВ
-`.trim();
+${documentOrderClause}
+`.trim().replace(/\n{3,}/g, "\n\n");
   }
   return `
 ВЫБРАТЬ ПЕРВЫЕ 1
@@ -368,9 +492,8 @@ function buildVatObjectProbeQuery(object: VatMetadataObject, asOfExpr: string):
     ${object.fullName} КАК Движения
 ГДЕ
     Движения.Период <= ${asOfExpr}
-УПОРЯДОЧИТЬ ПО
-    Движения.Период УБЫВ
-`.trim();
+${orderClause}
+`.trim().replace(/\n{3,}/g, "\n\n");
 }
 
 async function probeVatDirectSources(filters: AddressFilterSet): Promise<VatDirectSourceProbeSummary> {
@@ -409,18 +532,40 @@ async function probeVatDirectSources(filters: AddressFilterSet): Promise<VatDire
         limit: VAT_METADATA_PROBE_LIMIT
       }))
   );
-  const metadataResponses = await Promise.all(metadataRequests.map((request) => executeAddressMcpMetadata(request)));
+  const metadataResponses = await mapWithConcurrency(
+    metadataRequests,
+    VAT_METADATA_PROBE_CONCURRENCY,
+    async (request, index) => {
+      if (index > 0 && VAT_METADATA_PROBE_STAGGER_MS > 0) {
+        await sleepMs(index * VAT_METADATA_PROBE_STAGGER_MS);
+      }
+      return executeVatMetadataProbeRequest(request);
+    }
+  );
 
+  const metadataOutcomes = metadataResponses.map((response, index) => ({
+    request: metadataRequests[index],
+    response
+  }));
+  const successfulMetadataByType = new Map<string, number>();
   const metadataErrors: string[] = [];
   const metadataObjectsBuffer: VatMetadataObject[] = [];
-  for (const [index, response] of metadataResponses.entries()) {
-    const request = metadataRequests[index];
+  for (const { request, response } of metadataOutcomes) {
     if (response.error) {
-      metadataErrors.push(`${request.meta_type}:${request.name_mask}:${response.error}`);
       continue;
     }
+    const currentSuccessCount = successfulMetadataByType.get(request.meta_type) ?? 0;
+    successfulMetadataByType.set(request.meta_type, currentSuccessCount + 1);
     metadataObjectsBuffer.push(...extractVatMetadataObjects(response.rows));
   }
+  for (const { request, response } of metadataOutcomes) {
+    if (response.error) {
+      if (isAbortErrorMessage(response.error) && (successfulMetadataByType.get(request.meta_type) ?? 0) > 0) {
+        continue;
+      }
+      metadataErrors.push(`${request.meta_type}:${request.name_mask}:${response.error}`);
+    }
+  }
 
   const deduplicatedObjects = new Map<string, VatMetadataObject>();
   for (const item of metadataObjectsBuffer) {
@@ -437,56 +582,118 @@ async function probeVatDirectSources(filters: AddressFilterSet): Promise<VatDire
     }
   }
 
-  const discoveredMetadataObjects = Array.from(deduplicatedObjects.values()).sort(
-    (a, b) => scoreVatMetadataObject(b) - scoreVatMetadataObject(a) || a.fullName.localeCompare(b.fullName, "ru")
+  const discoveredMetadataObjects = Array.from(deduplicatedObjects.values())
+    .filter((item) => isVatMetadataObject(item))
+    .sort(
+      (a, b) =>
+        vatMetadataObjectPriority(a) - vatMetadataObjectPriority(b) ||
+        scoreVatMetadataObject(b) - scoreVatMetadataObject(a) ||
+        a.fullName.localeCompare(b.fullName, "ru")
   );
-  const metadataObjects = discoveredMetadataObjects.slice(0, VAT_SOURCE_PROBE_MAX_OBJECTS);
+  const mergedMetadataObjectsMap = new Map<string, VatMetadataObject>();
+  for (const item of discoveredMetadataObjects) {
+    mergedMetadataObjectsMap.set(item.fullName, item);
+  }
+  for (const fallbackObject of VAT_FALLBACK_METADATA_OBJECTS) {
+    if (!mergedMetadataObjectsMap.has(fallbackObject.fullName)) {
+      mergedMetadataObjectsMap.set(fallbackObject.fullName, fallbackObject);
+    }
+  }
+  const metadataObjects = Array.from(mergedMetadataObjectsMap.values())
+    .sort(
+      (a, b) =>
+        vatMetadataObjectPriority(a) - vatMetadataObjectPriority(b) ||
+        scoreVatMetadataObject(b) - scoreVatMetadataObject(a) ||
+        a.fullName.localeCompare(b.fullName, "ru")
+    )
+    .slice(0, VAT_SOURCE_PROBE_MAX_OBJECTS);
 
-  const probeRows: VatDirectSourceProbeItem[] = [];
-  for (const object of metadataObjects) {
-    const probeQuery = buildVatObjectProbeQuery(object, asOfExpr);
-    const probeResult = await executeAddressMcpQuery({
-      query: probeQuery,
-      limit: 1
-    });
-    if (probeResult.error) {
-      probeRows.push({
+  const probeRows = await mapWithConcurrency(
+    metadataObjects,
+    VAT_OBJECT_PROBE_CONCURRENCY,
+    async (object, index): Promise<VatDirectSourceProbeItem> => {
+      if (index > 0 && VAT_OBJECT_PROBE_STAGGER_MS > 0) {
+        await sleepMs(index * VAT_OBJECT_PROBE_STAGGER_MS);
+      }
+      let probeResult = await executeAddressMcpQuery({
+        query: buildVatObjectProbeQuery(object, asOfExpr, "latest"),
+        limit: 1,
+        timeout_ms: VAT_OBJECT_PROBE_TIMEOUT_MS
+      });
+      let fallbackUsed = false;
+      if (probeResult.error) {
+        let latestError: string | null = probeResult.error;
+        if (isAbortErrorMessage(probeResult.error)) {
+          await sleepMs(VAT_OBJECT_PROBE_ABORT_RETRY_DELAY_MS);
+          const retryLatestResult = await executeAddressMcpQuery({
+            query: buildVatObjectProbeQuery(object, asOfExpr, "latest"),
+            limit: 1,
+            timeout_ms: VAT_OBJECT_PROBE_ABORT_RETRY_TIMEOUT_MS
+          });
+          if (!retryLatestResult.error) {
+            probeResult = retryLatestResult;
+            latestError = null;
+          } else {
+            probeResult = retryLatestResult;
+            latestError = `${latestError}; retry_latest: ${retryLatestResult.error}`;
+          }
+        }
+        if (probeResult.error) {
+          const fallbackResult = await executeAddressMcpQuery({
+            query: buildVatObjectProbeQuery(object, asOfExpr, "exists"),
+            limit: 1,
+            timeout_ms: VAT_OBJECT_PROBE_FALLBACK_TIMEOUT_MS
+          });
+          if (!fallbackResult.error) {
+            probeResult = fallbackResult;
+            fallbackUsed = true;
+          } else {
+            return {
+              fullName: object.fullName,
+              synonym: object.synonym,
+              objectType: object.objectType,
+              status: "error",
+              rowsFetched: probeResult.fetched_rows,
+              error: `${latestError ?? probeResult.error}; fallback: ${fallbackResult.error}`
+            };
+          }
+        }
+      }
+      const firstRow = probeResult.raw_rows[0] ?? null;
+      const lastPeriod =
+        firstRow !== null
+          ? valueAsString(
+              (firstRow as Record<string, unknown>).Период ?? (firstRow as Record<string, unknown>).period
+            ).trim() || null
+          : null;
+      const sampleRegistrator =
+        firstRow !== null
+          ? valueAsString(
+              (firstRow as Record<string, unknown>).Регистратор ??
+                (firstRow as Record<string, unknown>).registrator ??
+                (firstRow as Record<string, unknown>).Registrator
+            ).trim() || null
+          : null;
+      return {
         fullName: object.fullName,
         synonym: object.synonym,
         objectType: object.objectType,
-        status: "error",
+        status: probeResult.raw_rows.length > 0 ? "ok" : "empty",
         rowsFetched: probeResult.fetched_rows,
-        error: probeResult.error
-      });
-      continue;
+        lastPeriod: fallbackUsed ? null : lastPeriod,
+        sampleRegistrator
+      };
     }
+  );
 
-    const firstRow = probeResult.raw_rows[0] ?? null;
-    const lastPeriod =
-      firstRow !== null
-        ? valueAsString((firstRow as Record<string, unknown>).Период ?? (firstRow as Record<string, unknown>).period).trim() ||
-          null
-        : null;
-    const sampleRegistrator =
-      firstRow !== null
-        ? valueAsString(
-            (firstRow as Record<string, unknown>).Регистратор ??
-              (firstRow as Record<string, unknown>).registrator ??
-              (firstRow as Record<string, unknown>).Registrator
-          ).trim() || null
-        : null;
-    probeRows.push({
-      fullName: object.fullName,
-      synonym: object.synonym,
-      objectType: object.objectType,
-      status: probeResult.raw_rows.length > 0 ? "ok" : "empty",
-      rowsFetched: probeResult.fetched_rows,
-      lastPeriod,
-      sampleRegistrator
-    });
-  }
-
-  const status: VatDirectSourceProbeSummary["status"] = metadataResponses.every((item) => item.error) ? "error" : "ok";
+  const hasProbeAttempts = probeRows.length > 0;
+  const hasNonErrorProbeResult = probeRows.some((item) => item.status !== "error");
+  const status: VatDirectSourceProbeSummary["status"] =
+    hasProbeAttempts && hasNonErrorProbeResult
+      ? "ok"
+      : metadataResponses.every((item) => item.error) && !hasProbeAttempts
+        ? "error"
+        : "ok";
   const allErrors = [
     ...metadataErrors,
     ...probeRows
@@ -1106,7 +1313,8 @@ function isConfirmedBalanceIntent(intent: AddressIntent): boolean {
     intent === "documents_forming_balance" ||
     intent === "payables_confirmed_as_of_date" ||
     intent === "receivables_confirmed_as_of_date" ||
-    intent === "vat_payable_confirmed_as_of_date"
+    intent === "vat_payable_confirmed_as_of_date" ||
+    intent === "vat_liability_confirmed_for_tax_period"
   );
 }
 
@@ -1942,6 +2150,8 @@ function buildLimitedOffers(input: {
     offers.push("показать подтвержденный реестр открытой дебиторской задолженности на дату среза по 62/76");
   } else if (input.intent === "vat_payable_confirmed_as_of_date") {
     offers.push("показать подтвержденную сумму НДС к уплате на дату среза по счетам 68*");
+  } else if (input.intent === "vat_liability_confirmed_for_tax_period") {
+    offers.push("показать подтвержденный расчет НДС к уплате за налоговый период по книгам продаж/покупок");
   } else if (input.intent === "payables_confirmed_as_of_date") {
     offers.push("показать подтвержденный реестр открытых обязательств на дату среза по 60/76");
   } else if (input.intent === "list_payables_counterparties") {
@@ -1996,7 +2206,8 @@ function buildLimitedIntentSignalLine(input: {
     list_payables_counterparties: "Сигнал запроса: нужен ранжированный список кредиторов.",
     receivables_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез дебиторской задолженности на дату.",
     payables_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез обязательств к оплате на дату.",
-    vat_payable_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез НДС к уплате на дату."
+    vat_payable_confirmed_as_of_date: "Сигнал запроса: нужен подтвержденный срез НДС к уплате на дату.",
+    vat_liability_confirmed_for_tax_period: "Сигнал запроса: нужен подтвержденный расчет НДС к уплате за налоговый период."
   };
 
   const byShape: Partial<Record<AddressQueryShapeDetection["shape"], string>> = {
@@ -2201,6 +2412,8 @@ function buildLimitedExecutionResult(input: {
         ? "exact_receivables_mode_limited_response"
         : input.intent.intent === "vat_payable_confirmed_as_of_date"
           ? "exact_vat_payable_mode_limited_response"
+          : input.intent.intent === "vat_liability_confirmed_for_tax_period"
+            ? "exact_vat_tax_period_mode_limited_response"
           : null;
   const reasons =
     exactLimitedReason && !reasonsWithConfirmedFallback.includes(exactLimitedReason)
@@ -2460,6 +2673,12 @@ export class AddressQueryService {
     ) {
       baseReasons.push("confirmed_balance_exact_vat_payable_intent");
     }
+    if (
+      intent.intent === "vat_liability_confirmed_for_tax_period" &&
+      !baseReasons.includes("confirmed_balance_exact_vat_tax_period_intent")
+    ) {
+      baseReasons.push("confirmed_balance_exact_vat_tax_period_intent");
+    }
     if (
       requestedResultMode === "confirmed_balance" &&
       recipeIntent === "open_items_by_counterparty_or_contract" &&
@@ -3519,14 +3738,17 @@ export class AddressQueryService {
 
     const vatProbeRequired =
       composeIntent === "vat_payable_confirmed_as_of_date" ||
+      composeIntent === "vat_liability_confirmed_for_tax_period" ||
       (composeIntent === "vat_payable_forecast" && shouldProbeVatSourcesForForecast(userMessage));
     const vatDirectSourceProbe = vatProbeRequired ? await probeVatDirectSources(executionFilters) : null;
     const shouldEmphasizeNumbers =
       composeIntent === "vat_payable_forecast" ||
       composeIntent === "vat_payable_confirmed_as_of_date" ||
+      composeIntent === "vat_liability_confirmed_for_tax_period" ||
       composeIntent === "payables_confirmed_as_of_date" ||
       composeIntent === "receivables_confirmed_as_of_date";
-    const shouldUseRubCurrency = composeIntent === "vat_payable_forecast";
+    const shouldUseRubCurrency =
+      composeIntent === "vat_payable_forecast" || composeIntent === "vat_liability_confirmed_for_tax_period";
     const factual = composeFactualReply(
       composeIntent,
       filteredRows,
@@ -3599,14 +3821,18 @@ export class AddressQueryService {
     const exactConfirmedIntent =
       (intent.intent === "payables_confirmed_as_of_date" && composeIntent === "payables_confirmed_as_of_date") ||
       (intent.intent === "receivables_confirmed_as_of_date" && composeIntent === "receivables_confirmed_as_of_date") ||
-      (intent.intent === "vat_payable_confirmed_as_of_date" && composeIntent === "vat_payable_confirmed_as_of_date");
+      (intent.intent === "vat_payable_confirmed_as_of_date" && composeIntent === "vat_payable_confirmed_as_of_date") ||
+      (intent.intent === "vat_liability_confirmed_for_tax_period" &&
+        composeIntent === "vat_liability_confirmed_for_tax_period");
     if (exactConfirmedIntent && factualResultSemantics.balance_confirmed !== true) {
       const exactModeName =
         intent.intent === "payables_confirmed_as_of_date"
           ? "payables"
           : intent.intent === "receivables_confirmed_as_of_date"
             ? "receivables"
-            : "vat_payable";
+            : intent.intent === "vat_liability_confirmed_for_tax_period"
+              ? "vat_tax_period"
+              : "vat_payable";
       return buildLimitedExecutionResult({
         mode,
         shape,
@@ -3634,6 +3860,8 @@ export class AddressQueryService {
         nextStep:
           intent.intent === "vat_payable_confirmed_as_of_date"
             ? "specify as_of_date/organization or provide VAT settlement registers to prove exact VAT payable balance"
+            : intent.intent === "vat_liability_confirmed_for_tax_period"
+              ? "specify tax period boundaries and ensure purchase/sales VAT books are available via MCP"
             : "specify as_of_date/counterparty or enable detailed settlement registers for exact confirmed balance",
         limitations: [`exact_${exactModeName}_mode_unconfirmed_output_blocked`],
         reasons: [...baseReasons, `exact_${exactModeName}_mode_unconfirmed_output_blocked`],

llm_normalizer/backend/src/services/addressRecipeCatalog.ts

@@ -498,6 +498,30 @@ __WHERE_CLAUSE__
     Регистратор
 `;
 
+const VAT_LIABILITY_CONFIRMED_TAX_PERIOD_QUERY_TEMPLATE = `
+ВЫБРАТЬ
+    ДАТАВРЕМЯ(2000, 1, 1, 0, 0, 0) КАК Период,
+    "VAT_BOOK_SALES" КАК Регистратор,
+    "68.02" КАК СчетДт,
+    "" КАК СчетКт,
+    СУММА(ЕСТЬNULL(Движения.НДС, 0)) КАК Сумма
+ИЗ
+    РегистрНакопления.НДСЗаписиКнигиПродаж КАК Движения
+__WHERE_CLAUSE__
+ОБЪЕДИНИТЬ ВСЕ
+ВЫБРАТЬ
+    ДАТАВРЕМЯ(2000, 1, 1, 0, 0, 0) КАК Период,
+    "VAT_BOOK_PURCHASES" КАК Регистратор,
+    "19" КАК СчетДт,
+    "" КАК СчетКт,
+    СУММА(ЕСТЬNULL(Движения.НДС, 0)) КАК Сумма
+ИЗ
+    РегистрНакопления.НДСЗаписиКнигиПокупок КАК Движения
+__WHERE_CLAUSE__
+УПОРЯДОЧИТЬ ПО
+    Регистратор
+`;
+
 const BASE_RECIPES: AddressRecipeDefinition[] = [
   {
     recipe_id: "address_period_coverage_profile_v1",
@@ -600,6 +624,16 @@ const BASE_RECIPES: AddressRecipeDefinition[] = [
     account_scope_mode: "strict",
     query_template: "vat_payable_confirmed_as_of_balance_profile"
   },
+  {
+    recipe_id: "address_vat_liability_confirmed_tax_period_v1",
+    intent: "vat_liability_confirmed_for_tax_period",
+    purpose: "Build confirmed VAT liability for tax period from purchase/sales VAT books",
+    required_filters: ["period_from", "period_to"],
+    optional_filters: ["organization"],
+    default_limit: 32,
+    account_scope_mode: "preferred",
+    query_template: "vat_liability_confirmed_tax_period_profile"
+  },
   {
     recipe_id: "address_contracts_by_counterparty_v1",
     intent: "list_contracts_by_counterparty",
@@ -947,6 +981,7 @@ function maxLimitForIntent(intent: AddressIntent): number {
     intent === "supplier_payouts_profile" ||
     intent === "contract_usage_and_value" ||
     intent === "vat_payable_forecast" ||
+    intent === "vat_liability_confirmed_for_tax_period" ||
     intent === "list_contracts_by_counterparty" ||
     intent === "list_documents_by_counterparty" ||
     intent === "bank_operations_by_counterparty" ||
@@ -996,7 +1031,8 @@ export function buildAddressRecipePlan(
     recipe.query_template === "document_section_profile" ||
     recipe.query_template === "counterparty_roles_profile" ||
     recipe.query_template === "contract_usage_profile" ||
-    recipe.query_template === "vat_payable_forecast_profile";
+    recipe.query_template === "vat_payable_forecast_profile" ||
+    recipe.query_template === "vat_liability_confirmed_tax_period_profile";
   const baseLimit =
     typeof filters.limit === "number" && Number.isFinite(filters.limit)
       ? Math.max(1, Math.min(maxLimit, Math.trunc(filters.limit)))
@@ -1091,6 +1127,11 @@ export function buildAddressRecipePlan(
             .replaceAll("__VAT68_DT_MATCH__", buildAccountPrefixPredicate("Движения.СчетДт", VAT_PAYABLE_68_PREFIXES))
             .replaceAll("__VAT19_DT_MATCH__", buildAccountPrefixPredicate("Движения.СчетДт", VAT_PAYABLE_19_PREFIXES))
             .replaceAll("__VAT19_KT_MATCH__", buildAccountPrefixPredicate("Движения.СчетКт", VAT_PAYABLE_19_PREFIXES))
+      : recipe.query_template === "vat_liability_confirmed_tax_period_profile"
+        ? VAT_LIABILITY_CONFIRMED_TAX_PERIOD_QUERY_TEMPLATE.replaceAll(
+            "__WHERE_CLAUSE__",
+            buildManagementWhereClause(filters, "Движения.Период")
+          )
       : recipe.query_template === "vat_payable_confirmed_as_of_balance_profile"
         ? (() => {
             const asOfExpr =

llm_normalizer/backend/src/services/address_runtime/composeStage.ts

@@ -212,6 +212,9 @@ function emphasizeNumericTokens(line: string): string {
   if (!line) {
     return line;
   }
+  const isDigit = (char: string): boolean => /\d/.test(char);
+  const isLetter = (char: string): boolean => /[A-Za-zА-Яа-яЁё]/.test(char);
+  const dateLikePunctuation = new Set([".", "-", "/", ":"]);
   const chunks = line.split(/(`[^`]*`)/g);
   return chunks
     .map((chunk, index) => {
@@ -221,9 +224,23 @@ function emphasizeNumericTokens(line: string): string {
       return chunk.replace(/\b-?(?:\d{1,3}(?:[.\s]\d{3})+|\d+)(?:[.,]\d+)?\b/g, (match, offset, source) => {
         const before = offset > 0 ? source[offset - 1] : "";
         const after = offset + match.length < source.length ? source[offset + match.length] : "";
+        const before2 = offset > 1 ? source[offset - 2] : "";
+        const after2 = offset + match.length + 1 < source.length ? source[offset + match.length + 1] : "";
         if (before === "*" || after === "*") {
           return match;
         }
+        if (isLetter(before) || isLetter(after)) {
+          return match;
+        }
+        if (offset === 0 && (after === "." || after === ")")) {
+          return match;
+        }
+        if (dateLikePunctuation.has(before) && isDigit(before2)) {
+          return match;
+        }
+        if (dateLikePunctuation.has(after) && isDigit(after2)) {
+          return match;
+        }
         return `**${match}**`;
       });
     })
@@ -2545,18 +2562,37 @@ export function composeFactualReply(
 
     if (vatProbe && vatProbe.status === "ok") {
       const nonEmptySources = vatProbe.probedSources.filter((item) => item.status === "ok").length;
+      const statusRank = (status: VatDirectSourceProbeItem["status"]): number =>
+        status === "ok" ? 0 : status === "empty" ? 1 : 2;
+      const orderedProbeRows = [...vatProbe.probedSources].sort(
+        (a, b) =>
+          statusRank(a.status) - statusRank(b.status) ||
+          a.fullName.localeCompare(b.fullName, "ru")
+      );
+      const nonErrorProbeRows = orderedProbeRows.filter((item) => item.status !== "error");
+      const visibleProbeRows = (nonErrorProbeRows.length > 0 ? nonErrorProbeRows : orderedProbeRows).slice(0, 6);
+      const erroredSources = vatProbe.probedSources.filter((item) => item.status === "error").length;
       lines.push(
         "",
         "Покрытие VAT-источников через MCP:",
         `- Найдено VAT-объектов: ${formatNumberWithDots(vatProbe.objectsTotal)} (документы: ${formatNumberWithDots(vatProbe.documentsTotal)}, регистры: ${formatNumberWithDots(vatProbe.registersTotal)}).`,
         `- Прямых источников проверено: ${formatNumberWithDots(vatProbe.probedSources.length)}.`,
-        `- Источников с движениями до даты среза: ${formatNumberWithDots(nonEmptySources)}.`
+        `- Источников с движениями до даты среза: ${formatNumberWithDots(nonEmptySources)}.`,
+        `- Источников с ошибкой запроса: ${formatNumberWithDots(erroredSources)}.`
       );
-      if (vatProbe.probedSources.length > 0) {
+      if (visibleProbeRows.length > 0) {
         lines.push(
-          ...vatProbe.probedSources.slice(0, 6).map((item, index) => {
+          ...visibleProbeRows.map((item, index) => {
             const name = item.synonym ? `${item.fullName} (${item.synonym})` : item.fullName;
-            return `${index + 1}. ${name} | ${formatVatProbeStatusRu(item.status)}${item.lastPeriod ? ` | последнее движение: ${item.lastPeriod}` : ""}`;
+            const extra =
+              item.status === "ok"
+                ? item.lastPeriod
+                  ? ` | последнее движение: ${item.lastPeriod}`
+                  : ""
+                : item.status === "error" && item.error
+                  ? ` | ошибка: ${item.error}`
+                  : "";
+            return `${index + 1}. ${name} | ${formatVatProbeStatusRu(item.status)}${extra}`;
           })
         );
       }
@@ -2632,6 +2668,84 @@ export function composeFactualReply(
     };
   }
 
+  if (intent === "vat_liability_confirmed_for_tax_period") {
+    const rowsByMarker = new Map<string, number>();
+    for (const row of rows) {
+      const marker = String(row.registrator ?? "").trim().toUpperCase();
+      if (!marker) {
+        continue;
+      }
+      const nextValue = (rowsByMarker.get(marker) ?? 0) + (row.amount ?? 0);
+      rowsByMarker.set(marker, nextValue);
+    }
+
+    const salesVat = rowsByMarker.get("VAT_BOOK_SALES") ?? 0;
+    const purchaseVat = rowsByMarker.get("VAT_BOOK_PURCHASES") ?? 0;
+    const netVat = salesVat - purchaseVat;
+    const vatToPay = Math.max(0, netVat);
+    const carryoverOrOverpayment = Math.max(0, -netVat);
+    const periodWindowLabel =
+      options.periodFrom && options.periodTo ? `${formatDateRu(options.periodFrom)}..${formatDateRu(options.periodTo)}` : null;
+    const formatConfirmedMoney = (value: number): string => (options.useRubCurrency ? formatMoneyRub(value) : formatMoney(value));
+    const vatProbe = options.vatDirectSourceProbe ?? null;
+
+    const lines = [
+      `Собран подтвержденный расчет НДС к уплате за налоговый период: ${formatConfirmedMoney(vatToPay)}.`,
+      `Налоговый период расчета: ${periodWindowLabel ?? "не задан (нужен явный период)"}.`,
+      `Потенциальный перенос/переплата: ${formatConfirmedMoney(carryoverOrOverpayment)}.`,
+      "Режим результата: подтвержденный расчет по регистрам книг продаж/покупок (tax-period mode, без surrogate-формулы 68/19).",
+      "",
+      "База расчета:",
+      `- Строк агрегата: ${formatNumberWithDots(rows.length)}.`,
+      `- НДС по книге продаж: ${formatConfirmedMoney(salesVat)}.`,
+      `- НДС по книге покупок (вычеты): ${formatConfirmedMoney(purchaseVat)}.`,
+      `- Нетто НДС (книга продаж - книга покупок): ${formatConfirmedMoney(netVat)}.`
+    ];
+
+    if (vatProbe && vatProbe.status === "ok") {
+      const nonEmptySources = vatProbe.probedSources.filter((item) => item.status === "ok").length;
+      const erroredSources = vatProbe.probedSources.filter((item) => item.status === "error").length;
+      lines.push(
+        "",
+        "Покрытие VAT-источников через MCP:",
+        `- Найдено VAT-объектов: ${formatNumberWithDots(vatProbe.objectsTotal)} (документы: ${formatNumberWithDots(vatProbe.documentsTotal)}, регистры: ${formatNumberWithDots(vatProbe.registersTotal)}).`,
+        `- Прямых источников проверено: ${formatNumberWithDots(vatProbe.probedSources.length)}.`,
+        `- Источников с движениями до даты среза: ${formatNumberWithDots(nonEmptySources)}.`,
+        `- Источников с ошибкой запроса: ${formatNumberWithDots(erroredSources)}.`
+      );
+      if (vatProbe.errors.length > 0) {
+        lines.push(`- Ограничения probe: ${vatProbe.errors.slice(0, 2).join("; ")}.`);
+      }
+      lines.push("- Сумма расчета выше получена по книгам продаж/покупок; probe использован для контроля полноты VAT-источников.");
+    } else if (vatProbe && vatProbe.status === "error") {
+      lines.push(
+        "",
+        "Покрытие VAT-источников через MCP: дополнительный probe недоступен (например, timeout metadata).",
+        "Итоговая сумма НДС выше рассчитана по основному маршруту книг продаж/покупок; probe влияет только на диагностику покрытия."
+      );
+      if (vatProbe.errors.length > 0) {
+        lines.push(`- Детали probe: ${vatProbe.errors.slice(0, 2).join("; ")}.`);
+      }
+    }
+
+    if (rows.length === 0) {
+      lines.push(
+        "",
+        "За выбранный налоговый период не найдены строки книг продаж/покупок, поэтому подтвержденная сумма к уплате равна 0."
+      );
+    }
+
+    return {
+      responseType: "FACTUAL_SUMMARY",
+      text: joinLines(lines),
+      semantics: {
+        result_mode: "confirmed_balance",
+        evidence_strength: "strong",
+        balance_confirmed: true
+      }
+    };
+  }
+
   if (intent === "vat_payable_confirmed_as_of_date") {
     const asOfDate = resolvePayablesAsOfDate(options);
     const confirmedRows = rows.filter((row) => {

llm_normalizer/backend/src/services/address_runtime/decomposeStage.ts

@@ -74,6 +74,10 @@ function hasVatForecastCue(text: string): boolean {
   return /(?:прогноз|forecast|прикин|оцен|план)/iu.test(String(text ?? ""));
 }
 
+function hasVatTaxPaymentCue(text: string): boolean {
+  return /(?:к\s+уплате|надо|нужно|заплатить|уплатить|плат[её]ж|в\s+налогов|в\s+бюджет)/iu.test(String(text ?? ""));
+}
+
 function hasDocumentSignal(text: string): boolean {
   return /(?:док(?:и|умент|ументы|ументов|ументами)|docs?|documents?|doki|docy|doci)/iu.test(String(text ?? ""));
 }
@@ -534,7 +538,12 @@ function mergeFollowupFilters(
   const currentHasPeriod = hasExplicitPeriodWindow(merged);
   const previousHasPeriod = hasExplicitPeriodWindow(previous);
 
-  if (intent === "vat_payable_forecast" && previousHasPeriod && hasFollowupSignal && !hasExplicitPeriodInMessage) {
+  if (
+    (intent === "vat_payable_forecast" || intent === "vat_liability_confirmed_for_tax_period") &&
+    previousHasPeriod &&
+    hasFollowupSignal &&
+    !hasExplicitPeriodInMessage
+  ) {
     const currentPeriodFrom = toNonEmptyString(merged.period_from);
     const currentPeriodTo = toNonEmptyString(merged.period_to);
     const todayIso = new Date().toISOString().slice(0, 10);
@@ -570,6 +579,7 @@ function resolveMissingRequiredFilters(intent: AddressIntent, filters: AddressFi
     payables_confirmed_as_of_date: ["as_of_date"],
     receivables_confirmed_as_of_date: ["as_of_date"],
     vat_payable_confirmed_as_of_date: ["as_of_date"],
+    vat_liability_confirmed_for_tax_period: ["period_from", "period_to"],
     list_documents_by_counterparty: ["counterparty"],
     bank_operations_by_counterparty: ["counterparty"],
     list_contracts_by_counterparty: ["counterparty"],
@@ -611,9 +621,11 @@ function deriveIntentWithFollowupContext(
   const isVatFollowup = hasVatCue(normalizedMessage);
 
   if (detectedIntent.intent === "unknown" && isVatFollowup) {
-    const vatIntent: AddressIntent = hasVatForecastCue(normalizedMessage)
-      ? "vat_payable_forecast"
-      : "vat_payable_confirmed_as_of_date";
+    const vatIntent: AddressIntent = hasVatTaxPaymentCue(normalizedMessage)
+      ? "vat_liability_confirmed_for_tax_period"
+      : hasVatForecastCue(normalizedMessage)
+        ? "vat_payable_forecast"
+        : "vat_payable_confirmed_as_of_date";
     return {
       intent: vatIntent,
       confidence: "low",

llm_normalizer/backend/src/services/address_runtime/predecomposeContract.ts

@@ -194,7 +194,8 @@ function inferAggregationProfile(intent: AddressIntent, shape: AddressQueryShape
     intent === "documents_forming_balance" ||
     intent === "payables_confirmed_as_of_date" ||
     intent === "receivables_confirmed_as_of_date" ||
-    intent === "vat_payable_confirmed_as_of_date"
+    intent === "vat_payable_confirmed_as_of_date" ||
+    intent === "vat_liability_confirmed_for_tax_period"
   ) {
     return "balance_snapshot";
   }

llm_normalizer/backend/src/services/assistantService.ts

@@ -3793,6 +3793,7 @@ const ADDRESS_INTENTS_KEEP_ADDRESS_LANE = new Set([
     "contract_usage_overview",
     "contract_usage_and_value",
     "vat_payable_forecast",
+    "vat_liability_confirmed_for_tax_period",
     "vat_payable_confirmed_as_of_date"
 ]);
 export function resolveAssistantOrchestrationDecision(input) {

llm_normalizer/backend/src/types/addressQuery.ts

@@ -10,6 +10,7 @@ export type AddressIntent =
   | "supplier_payouts_profile"
   | "contract_usage_and_value"
   | "vat_payable_forecast"
+  | "vat_liability_confirmed_for_tax_period"
   | "vat_payable_confirmed_as_of_date"
   | "list_contracts_by_counterparty"
   | "list_open_contracts"
@@ -132,6 +133,7 @@ export interface AddressRecipeDefinition {
     | "contract_value_profile"
     | "contracts_by_counterparty_profile"
     | "vat_payable_forecast_profile"
+    | "vat_liability_confirmed_tax_period_profile"
     | "vat_payable_confirmed_as_of_balance_profile"
     | "payables_confirmed_as_of_balance_profile"
     | "receivables_confirmed_as_of_balance_profile";

llm_normalizer/backend/tests/addressQueryRuntimeM23.test.ts

@@ -1031,7 +1031,7 @@ describe("address compose stage utf8 headers", () => {
 
     expect(reply.text).toContain("Профиль договорной базы собран");
     expect(reply.text).toContain("Всего договоров в базе: 520.");
-    expect(reply.text).toContain("<EFBFBD>?Использованных договоров (есть factual связь с операциями): 148.");
+    expect(reply.text).toContain("Использованных договоров (есть factual связь с операциями): 148.");
     expect(reply.text).toContain("Неиспользуемых договоров: 372.");
   });
 
@@ -1458,6 +1458,42 @@ describe("address compose stage utf8 headers", () => {
     expect(reply.text).toContain("РегистрНакопления.НДСПродажи");
   });
 
+  it("builds confirmed VAT tax-period reply from sales and purchase book markers", () => {
+    const reply = composeFactualReply(
+      "vat_liability_confirmed_for_tax_period",
+      [
+        {
+          period: "2019-12-31T23:59:59Z",
+          registrator: "VAT_BOOK_SALES",
+          account_dt: "68.02",
+          account_kt: "",
+          amount: 120000,
+          analytics: []
+        },
+        {
+          period: "2019-12-31T23:59:59Z",
+          registrator: "VAT_BOOK_PURCHASES",
+          account_dt: "19",
+          account_kt: "",
+          amount: 70000,
+          analytics: []
+        }
+      ],
+      {
+        userMessage: "сколько платить ндс в налоговую за декабрь 2019",
+        periodFrom: "2019-10-01",
+        periodTo: "2019-12-31",
+        useRubCurrency: true
+      }
+    );
+
+    expect(reply.responseType).toBe("FACTUAL_SUMMARY");
+    expect(reply.text).toContain("Собран подтвержденный расчет НДС к уплате за налоговый период");
+    expect(reply.text).toContain("50.000,00 ₽");
+    expect(reply.semantics?.result_mode).toBe("confirmed_balance");
+    expect(reply.semantics?.balance_confirmed).toBe(true);
+  });
+
   it("formats VAT forecast amounts in rubles and emphasizes numbers when requested", () => {
     const reply = composeFactualReply(
       "vat_payable_forecast",
@@ -1482,6 +1518,80 @@ describe("address compose stage utf8 headers", () => {
     expect(reply.text).toContain("Собран прогноз НДС к уплате:");
   });
 
+  it("does not split dates and list numbering when numeric emphasis is enabled", () => {
+    const reply = composeFactualReply(
+      "vat_payable_forecast",
+      [
+        {
+          period: "2019-12-31T23:59:59Z",
+          registrator: "VAT_68_CREDIT",
+          account_dt: "68",
+          account_kt: "",
+          amount: 0,
+          analytics: []
+        },
+        {
+          period: "2019-12-31T23:59:59Z",
+          registrator: "VAT_68_DEBIT",
+          account_dt: "68",
+          account_kt: "",
+          amount: 0,
+          analytics: []
+        }
+      ],
+      {
+        userMessage: "почему по ндс ноль",
+        periodFrom: "2019-12-01",
+        periodTo: "2019-12-31",
+        emphasizeNumbers: true
+      }
+    );
+
+    expect(reply.text).toContain("Период оценки: 01.12.2019..31.12.2019.");
+    expect(reply.text).not.toContain("**01**.**12**.**2019**");
+    expect(reply.text).toContain("1) Проверьте ОСВ/анализ счета");
+    expect(reply.text).not.toContain("**1**)");
+  });
+
+  it("keeps VAT probe timestamps intact when numeric emphasis is enabled", () => {
+    const reply = composeFactualReply(
+      "vat_payable_forecast",
+      [
+        {
+          period: "2019-12-31T23:59:59Z",
+          registrator: "VAT_68_CREDIT",
+          account_dt: "68",
+          account_kt: "",
+          amount: 1000,
+          analytics: []
+        }
+      ],
+      {
+        userMessage: "прикинь ндс",
+        emphasizeNumbers: true,
+        vatDirectSourceProbe: {
+          status: "ok",
+          objectsTotal: 1,
+          documentsTotal: 0,
+          registersTotal: 1,
+          probedSources: [
+            {
+              fullName: "РегистрНакопления.НДСПредъявленный",
+              objectType: "register",
+              status: "ok",
+              rowsFetched: 1,
+              lastPeriod: "2019-12-31T23:59:59Z"
+            }
+          ],
+          errors: []
+        }
+      }
+    );
+
+    expect(reply.text).toContain("последнее движение: 2019-12-31T23:59:59Z");
+    expect(reply.text).not.toContain("2019****-12**-31T23:**59**:59Z");
+  });
+
   it("adds MCP VAT source probe block for confirmed VAT as-of response", () => {
     const reply = composeFactualReply(
       "vat_payable_confirmed_as_of_date",
@@ -1972,7 +2082,7 @@ describe("address intent resolver expansion (M2.3a)", () => {
     expect(result.reasons).toContain("forecast_tax_signal_detected");
   });
 
-  it("resolves colloquial VAT payable estimate wording without explicit 'прогноз'", () => {
+  it("keeps colloquial VAT payment wording in forecast intent when tax-authority cue is absent", () => {
     const result = resolveAddressIntent("мож прикинусь плиз скока ндс надо заплатить на 15 марта 2020 года");
     expect(result.intent).toBe("vat_payable_forecast");
     expect(result.reasons).toContain("forecast_tax_signal_detected");
@@ -2215,6 +2325,16 @@ describe("address filter extraction for balance drilldown", () => {
     expect(extracted.warnings).toContain("period_to_derived_from_as_of_date_for_vat_forecast");
   });
 
+  it("derives full tax quarter window for confirmed VAT tax-period intent from month phrase", () => {
+    const extracted = extractAddressFilters(
+      "сколько ндс надо заплатить в налоговую за декабрь 2019",
+      "vat_liability_confirmed_for_tax_period"
+    );
+    expect(extracted.extracted_filters.period_from).toBe("2019-10-01");
+    expect(extracted.extracted_filters.period_to).toBe("2019-12-31");
+    expect(extracted.warnings).toContain("period_derived_from_tax_quarter_for_confirmed_vat_liability");
+  });
+
   it("derives VAT forecast quarter-to-date window for explicit day+month+year phrase", () => {
     const extracted = extractAddressFilters(
       "сколько НДС нужно заплатить за 5 марта 2017 года",
@@ -2503,7 +2623,7 @@ describe("address filter extraction for balance drilldown", () => {
 
   it("repairs mojibake phrase before extracting counterparty filters", () => {
     const result = extractAddressFilters(
-      "Показать РґРѕРєСѓР<EFBFBD>?енты РЎР’Рљ Р·Р° 2020 РіРѕРґ.",
+      "Показать документы СВК за 2020 год.",
       "list_documents_by_counterparty"
     );
     expect(result.extracted_filters.counterparty).toBe("СВК");
@@ -3050,10 +3170,11 @@ describe("address query limited taxonomy and stage diagnostics", { timeout: 1500
     expect(result?.debug.selected_recipe).toBe("address_vat_payable_forecast_v1");
     expect(result?.debug.limited_reason_category).not.toBe("unsupported");
     expect(result?.debug.mcp_call_status).not.toBe("skipped");
+    expect(result?.debug.route_expectation_status).toBe("matched");
     expect(result?.debug.extracted_filters.counterparty).toBeUndefined();
   });
 
-  it("routes colloquial VAT payable estimate wording into VAT forecast recipe", async () => {
+  it("routes colloquial VAT payment wording without tax-authority cue into VAT forecast recipe", async () => {
     const service = new AddressQueryService();
     const result = await service.tryHandle("мож прикинусь плиз скока ндс надо заплатить на 15 марта 2020 года");
     expect(result?.handled).toBe(true);
@@ -3061,6 +3182,18 @@ describe("address query limited taxonomy and stage diagnostics", { timeout: 1500
     expect(result?.debug.selected_recipe).toBe("address_vat_payable_forecast_v1");
     expect(result?.debug.limited_reason_category).not.toBe("unsupported");
     expect(result?.debug.mcp_call_status).not.toBe("skipped");
+    expect(result?.debug.route_expectation_status).toBe("matched");
+  });
+
+  it("routes 'в налоговую за декабрь' VAT wording into confirmed tax-period route", async () => {
+    const service = new AddressQueryService();
+    const result = await service.tryHandle("прикинь скок надо заплатить ндс в налоговую на декабрь 2019");
+    expect(result?.handled).toBe(true);
+    expect(result?.debug.detected_intent).toBe("vat_liability_confirmed_for_tax_period");
+    expect(result?.debug.selected_recipe).toBe("address_vat_liability_confirmed_tax_period_v1");
+    expect(result?.debug.extracted_filters.period_from).toBe("2019-10-01");
+    expect(result?.debug.extracted_filters.period_to).toBe("2019-12-31");
+    expect(result?.debug.route_expectation_status).toBe("matched");
   });
 
   it("routes customer lifecycle question into dedicated aggregate recipe", async () => {
@@ -3648,7 +3781,7 @@ describe("address recipe catalog counterparty filtering", () => {
     expect(plan.query).toContain("DOC_TYPE_DOCS");
     expect(plan.query).toContain("SECTION_DT_OPS");
     expect(plan.query).toContain("SECTION_KT_OPS");
-    expect(plan.query).toContain("СГРУПП<EFBFBD>?РОВАТЬ ПО\n    Движения.СчетДт");
+    expect(plan.query).toContain("СГРУППИРОВАТЬ ПО\n    Движения.СчетДт");
     expect(plan.query).not.toContain("ЛЕВ(Движения.СчетДт.Код, 2)");
   });
 
@@ -3721,7 +3854,7 @@ describe("address recipe catalog counterparty filtering", () => {
 
     expect(plan.recipe.recipe_id).toBe("address_contracts_by_counterparty_v1");
     expect(plan.query).toContain("Справочник.ДоговорыКонтрагентов");
-    expect(plan.query).toContain("ПРЕДСТАВЛЕН<EFBFBD>?Е(Договоры.Владелец)");
+    expect(plan.query).toContain("ПРЕДСТАВЛЕНИЕ(Договоры.Владелец)");
   });
 
   it("selects counterparty lifecycle recipe and keeps activity marker", () => {
@@ -3756,7 +3889,7 @@ describe("address recipe catalog counterparty filtering", () => {
       counterparty: "Жуковка 51",
       sort: "period_asc"
     });
-    expect(plan.query).toContain("УПОРЯДОЧ<EFBFBD>?ТЬ ПО");
+    expect(plan.query).toContain("УПОРЯДОЧИТЬ ПО");
     expect(plan.query).toContain("Период ВОЗР");
   });
 
@@ -3822,7 +3955,7 @@ describe("address recipe catalog counterparty filtering", () => {
 
     expect(plan.query).toContain("Документ.СписаниеСРасчетногоСчета");
     expect(plan.query).toContain("Документ.ПоступлениеНаРасчетныйСчет");
-    expect(plan.query).toContain("ПРЕДСТАВЛЕН<EFBFBD>?Е(БанкПоступление.ДоговорКонтрагента) КАК Договор");
+    expect(plan.query).toContain("ПРЕДСТАВЛЕНИЕ(БанкПоступление.ДоговорКонтрагента) КАК Договор");
   });
 
   it("allows extended limit for open-contracts intent", () => {
@@ -3880,8 +4013,23 @@ describe("address recipe catalog counterparty filtering", () => {
     expect(plan.query).toContain("ПОДСТРОКА(ЕСТЬNULL(Движения.СчетДт.Код, \"\"), 1, 4) = \"68.2\"");
     expect(plan.query).toContain("ПОДСТРОКА(ЕСТЬNULL(Движения.СчетДт.Код, \"\"), 1, 2) = \"19\"");
     expect(plan.query).toContain("ПОДСТРОКА(ЕСТЬNULL(Движения.СчетКт.Код, \"\"), 1, 2) = \"19\"");
-    expect(plan.query).not.toContain("ПРЕДСТАВЛЕН<D095>?Е(Движения.СчетКт) ПОДОБНО");
-    expect(plan.query).not.toContain("ПРЕДСТАВЛЕН<D095>?Е(Движения.СчетДт) ПОДОБНО");
+    expect(plan.query).not.toContain("ПРЕДСТАВЛЕНИЕ(Движения.СчетКт) ПОДОБНО");
+    expect(plan.query).not.toContain("ПРЕДСТАВЛЕНИЕ(Движения.СчетДт) ПОДОБНО");
+  });
+
+  it("builds confirmed VAT tax-period query from sales and purchase VAT books", () => {
+    const filters = extractAddressFilters(
+      "сколько ндс надо заплатить в налоговую за декабрь 2019",
+      "vat_liability_confirmed_for_tax_period"
+    ).extracted_filters;
+    const selected = selectAddressRecipe("vat_liability_confirmed_for_tax_period", filters);
+    expect(selected.selected_recipe).toBeTruthy();
+    const plan = buildAddressRecipePlan(selected.selected_recipe!, filters);
+
+    expect(plan.query).toContain("РегистрНакопления.НДСЗаписиКнигиПродаж");
+    expect(plan.query).toContain("РегистрНакопления.НДСЗаписиКнигиПокупок");
+    expect(plan.query).toContain("VAT_BOOK_SALES");
+    expect(plan.query).toContain("VAT_BOOK_PURCHASES");
   });
 });
 

llm_normalizer/backend/tests/addressRouteExpectations.test.ts

@@ -45,6 +45,17 @@ describe("address route expectations contract", () => {
     expect(audit.reason).toBe("route_expectation_matched");
   });
 
+  it("matches expected recipe and result mode for exact VAT tax-period liability route", () => {
+    const audit = evaluateAddressRouteExpectation({
+      intent: "vat_liability_confirmed_for_tax_period",
+      selectedRecipe: "address_vat_liability_confirmed_tax_period_v1",
+      requestedResultMode: "confirmed_balance",
+      resultMode: "confirmed_balance"
+    });
+    expect(audit.status).toBe("matched");
+    expect(audit.reason).toBe("route_expectation_matched");
+  });
+
   it("detects selected recipe mismatch", () => {
     const audit = evaluateAddressRouteExpectation({
       intent: "payables_confirmed_as_of_date",