final update on moallm client

src/common/dto/base-inquiry-response.dto.ts

@@ -18,11 +18,11 @@ export class BaseInquiryResponseDto<T = Record<string, unknown>> {
   @ApiPropertyOptional({ example: 'Inquiry completed successfully' })
   message?: string;
 
-  @ApiPropertyOptional()
+  @ApiPropertyOptional({ nullable: true })
-  data?: T;
+  data?: T | null;
 
-  @ApiPropertyOptional({ type: NormalizedErrorDto })
+  @ApiPropertyOptional({ type: NormalizedErrorDto, nullable: true })
-  error?: NormalizedErrorDto;
+  error?: NormalizedErrorDto | null;
 
   @ApiProperty({ example: 342, description: 'Duration in milliseconds' })
   duration!: number;

src/common/dto/normalized-error.dto.ts

@@ -17,6 +17,12 @@ export class NormalizedErrorDto {
   @ApiPropertyOptional({ example: '503' })
   providerCode?: string;
 
+  @ApiPropertyOptional({
+    example: 'MjFiNDQwYjAtOTdkMy00YjFkLWEzN2UtMWEyOTk2NDE0MjRm',
+    description: 'Upstream provider reference code when available',
+  })
+  providerTrackingCode?: string;
+
   @ApiPropertyOptional({
     example: [{ field: 'sheba', constraints: ['sheba must start with IR and contain 24 digits'] }],
     description: 'Field-level validation errors when code is VALIDATION_ERROR',

src/common/exceptions/inquiry.exception.ts

@@ -6,6 +6,7 @@ export class InquiryException extends HttpException {
     message: string,
     public readonly normalizedError: NormalizedErrorDto,
     status: HttpStatus = HttpStatus.UNPROCESSABLE_ENTITY,
+    public readonly provider?: string,
   ) {
     super({ message, error: normalizedError }, status);
   }

src/common/filters/all-exceptions.filter.ts

@@ -7,8 +7,8 @@ import {
   Logger,
 } from '@nestjs/common';
 import { Request, Response } from 'express';
-import { BaseInquiryResponseDto } from '../dto/base-inquiry-response.dto';
 import { NormalizedErrorDto } from '../dto/normalized-error.dto';
+import { buildInquiryResponse } from '../helpers/inquiry-response.helper';
 import { ProviderException } from '../exceptions/provider.exception';
 import { isNormalizedError } from '../helpers/validation-error.helper';
 
@@ -39,14 +39,14 @@ export class AllExceptionsFilter implements ExceptionFilter {
       exception instanceof Error ? exception.stack : undefined,
     );
 
-    const body: BaseInquiryResponseDto = {
+    const body = buildInquiryResponse({
       success: false,
       provider: 'GATEWAY',
       trackingCode,
       message: normalizedError.message,
-      error: normalizedError,
       duration: 0,
-    };
+      error: normalizedError,
+    });
 
     response.status(status).json(body);
   }

src/common/helpers/centinsur-response.helper.ts

@@ -0,0 +1,72 @@
+import { InquiryType } from '../enums/inquiry-type.enum';
+
+export interface CentInsurApiResponse {
+  IsSucceed?: boolean;
+  Result?: {
+    Result?: boolean;
+    ErrorMessage?: string | null;
+    [key: string]: unknown;
+  };
+  TrackingCode?: string;
+  message?: string;
+  code?: string;
+  success?: boolean;
+}
+
+export interface CentInsurProviderError {
+  message: string;
+  code: string;
+  providerTrackingCode?: string;
+}
+
+function getNoMatchMessage(inquiryType?: InquiryType): string {
+  switch (inquiryType) {
+    case InquiryType.REAL_ESTATE:
+      return 'No property ownership found for the provided national code and postal code';
+    default:
+      return 'Inquiry returned no matching result';
+  }
+}
+
+export function getCentInsurProviderError(
+  body: CentInsurApiResponse,
+  inquiryType?: InquiryType,
+): CentInsurProviderError | null {
+  if (!('IsSucceed' in body)) {
+    return null;
+  }
+
+  const providerTrackingCode = body.TrackingCode?.trim() || undefined;
+
+  if (body.IsSucceed === false) {
+    return {
+      message: body.Result?.ErrorMessage?.trim() || 'Request failed',
+      code: 'API_ERROR',
+      providerTrackingCode,
+    };
+  }
+
+  if (body.Result?.Result === false) {
+    return {
+      message: body.Result?.ErrorMessage?.trim() || getNoMatchMessage(inquiryType),
+      code: 'INQUIRY_NO_MATCH',
+      providerTrackingCode,
+    };
+  }
+
+  return null;
+}
+
+export function describeCentInsurResponse(body: CentInsurApiResponse): string {
+  const innerResult =
+    body.Result && 'Result' in body.Result ? String(body.Result.Result) : 'undefined';
+
+  return [
+    `IsSucceed=${String(body.IsSucceed)}`,
+    `Result.Result=${innerResult}`,
+    `ErrorMessage=${body.Result?.ErrorMessage ?? 'none'}`,
+    body.TrackingCode ? `TrackingCode=${body.TrackingCode}` : null,
+  ]
+    .filter(Boolean)
+    .join(' | ');
+}

src/common/helpers/inquiry-response.helper.ts

@@ -0,0 +1,32 @@
+import { BaseInquiryResponseDto } from '../dto/base-inquiry-response.dto';
+import { NormalizedErrorDto } from '../dto/normalized-error.dto';
+
+export function buildInquiryResponse<T = Record<string, unknown>>(params: {
+  success: boolean;
+  provider: string;
+  trackingCode: string;
+  message: string;
+  duration: number;
+  data?: T | null;
+  error?: NormalizedErrorDto | null;
+}): BaseInquiryResponseDto<T> {
+  return {
+    success: params.success,
+    provider: params.provider,
+    trackingCode: params.trackingCode,
+    message: params.message,
+    duration: params.duration,
+    data: params.success ? (params.data ?? null) : null,
+    error: params.success ? null : (params.error ?? null),
+  };
+}
+
+export function normalizeInquiryResponse<T = Record<string, unknown>>(
+  response: BaseInquiryResponseDto<T>,
+): BaseInquiryResponseDto<T> {
+  return {
+    ...response,
+    data: response.success ? (response.data ?? null) : null,
+    error: response.success ? null : (response.error ?? null),
+  };
+}

src/common/helpers/shahkar-response.helper.ts

@@ -0,0 +1,124 @@
+function decodeXml(value: string): string {
+  return value
+    .replace(/'/g, "'")
+    .replace(/"/g, '"')
+    .replace(/>/g, '>')
+    .replace(/&lt;/g, '<')
+    .replace(/&amp;/g, '&');
+}
+
+function normalizeSoapTextValue(value: string): string {
+  if (/i:nil\s*=\s*["']true["']/i.test(value)) {
+    return '';
+  }
+
+  const nestedStrings = [
+    ...value.matchAll(/<(?:[\w]+:)?string[^>]*>([\s\S]*?)<\/(?:[\w]+:)?string>/gi),
+  ]
+    .map((match) => decodeXml(match[1].trim()))
+    .filter(Boolean);
+
+  if (nestedStrings.length > 0) {
+    return nestedStrings.join(', ');
+  }
+
+  return decodeXml(value.trim());
+}
+
+export interface ShahkarInquiryFields {
+  response?: string;
+  result?: string;
+  comment?: string;
+  requestId?: string;
+  id?: string;
+  ErrorNams?: string;
+}
+
+export function parseShahkarInqueryResult(soapXml: string): ShahkarInquiryFields {
+  const blockMatch = soapXml.match(
+    /<(?:[\w]+:)?ShahkarInqueryResult[^>]*>([\s\S]*?)<\/(?:[\w]+:)?ShahkarInqueryResult>/i,
+  );
+
+  if (!blockMatch) {
+    return {};
+  }
+
+  const fields: Record<string, string> = {};
+  const tagRegex = /<(?:[\w]+:)?(\w+)(?:[^>]*)>([\s\S]*?)<\/(?:[\w]+:)?\1>/gi;
+  let match: RegExpExecArray | null;
+
+  while ((match = tagRegex.exec(blockMatch[1])) !== null) {
+    fields[match[1]] = normalizeSoapTextValue(match[2]);
+  }
+
+  return fields;
+}
+
+export function normalizeShahkarFields(raw: Record<string, unknown>): ShahkarInquiryFields {
+  const readString = (value: unknown): string | undefined => {
+    if (value === null || value === undefined) {
+      return undefined;
+    }
+    const text = String(value).trim();
+    return text.length > 0 ? text : undefined;
+  };
+
+  return {
+    response: readString(raw.response ?? raw.Response),
+    result: readString(raw.result ?? raw.Result),
+    comment: readString(raw.comment ?? raw.Comment),
+    requestId: readString(raw.requestId ?? raw.RequestId),
+    id: readString(raw.id ?? raw.Id),
+    ErrorNams: readString(raw.ErrorNams ?? raw.errorNams),
+  };
+}
+
+export function isShahkarSuccess(fields: ShahkarInquiryFields): boolean {
+  const responseCode = fields.response?.trim();
+  const resultText = fields.result?.trim().toUpperCase() ?? '';
+
+  return responseCode === '200' && resultText.startsWith('OK');
+}
+
+export function getShahkarProviderError(
+  fields: ShahkarInquiryFields,
+): { message: string; code: string; providerCode?: string; providerTrackingCode?: string } | null {
+  if (isShahkarSuccess(fields)) {
+    return null;
+  }
+
+  const comment = fields.comment?.trim();
+  const errorNams = fields.ErrorNams?.trim();
+  const resultText = fields.result?.trim();
+  const responseCode = fields.response?.trim();
+  const providerTrackingCode = fields.requestId?.trim() || undefined;
+
+  if (resultText === 'NotIdentifiedException' || responseCode === '600') {
+    return {
+      message:
+        comment ||
+        'No match found between the provided national code and mobile number',
+      code: 'INQUIRY_NO_MATCH',
+      providerCode: resultText ?? responseCode,
+      providerTrackingCode,
+    };
+  }
+
+  return {
+    message: comment || errorNams || resultText || 'Shahkar inquiry failed',
+    code: 'PROVIDER_ERROR',
+    providerCode: resultText ?? responseCode,
+    providerTrackingCode,
+  };
+}
+
+export function describeShahkarResponse(fields: ShahkarInquiryFields): string {
+  return [
+    fields.response ? `response=${fields.response}` : null,
+    fields.result ? `result=${fields.result}` : null,
+    fields.comment ? `comment=${fields.comment}` : null,
+    fields.requestId ? `requestId=${fields.requestId}` : null,
+  ]
+    .filter(Boolean)
+    .join(' | ');
+}

src/common/interceptors/logging.interceptor.ts

@@ -5,6 +5,7 @@ import {
   NestInterceptor,
 } from '@nestjs/common';
 import { Observable, tap } from 'rxjs';
+import { BaseInquiryResponseDto } from '../dto/base-inquiry-response.dto';
 import { RequestLogger } from '../helpers/request-logger.helper';
 import { formatHttpExceptionMessage } from '../helpers/validation-error.helper';
 
@@ -25,11 +26,21 @@ export class LoggingInterceptor implements NestInterceptor {
 
     return next.handle().pipe(
       tap({
-        next: () => {
+        next: (body: unknown) => {
-          this.requestLogger.logSuccess(
+          const durationMs = Date.now() - start;
-            { requestId: req.requestId ?? 'unknown' },
+          const requestId = req.requestId ?? 'unknown';
-            `${req.method} ${req.url} completed in ${Date.now() - start}ms`,
+          const summary = `${req.method} ${req.url} completed in ${durationMs}ms`;
-          );
+
+          if (this.isBusinessFailure(body)) {
+            const response = body as BaseInquiryResponseDto;
+            this.requestLogger.logFailure(
+              { requestId, durationMs },
+              `${summary} | businessSuccess=false | ${response.message ?? response.error?.code ?? 'failed'}`,
+            );
+            return;
+          }
+
+          this.requestLogger.logSuccess({ requestId }, summary);
         },
         error: (err: unknown) => {
           const detail = formatHttpExceptionMessage(err);
@@ -42,4 +53,13 @@ export class LoggingInterceptor implements NestInterceptor {
       }),
     );
   }
+
+  private isBusinessFailure(body: unknown): body is BaseInquiryResponseDto {
+    return Boolean(
+      body &&
+        typeof body === 'object' &&
+        'success' in body &&
+        (body as BaseInquiryResponseDto).success === false,
+    );
+  }
 }

src/common/interceptors/response-transform.interceptor.ts

@@ -7,6 +7,7 @@ import {
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 import { BaseInquiryResponseDto } from '../dto/base-inquiry-response.dto';
+import { normalizeInquiryResponse } from '../helpers/inquiry-response.helper';
 
 /**
  * Ensures inquiry endpoints always emit BaseInquiryResponseDto shape.
@@ -15,7 +16,7 @@ import { BaseInquiryResponseDto } from '../dto/base-inquiry-response.dto';
 export class ResponseTransformInterceptor implements NestInterceptor {
   intercept(_context: ExecutionContext, next: CallHandler): Observable<unknown> {
     return next.handle().pipe(
-      map((data: BaseInquiryResponseDto) => data),
+      map((data: BaseInquiryResponseDto) => normalizeInquiryResponse(data)),
     );
   }
 }

src/inquiry/dto/sayah-request.dto.ts

@@ -16,9 +16,23 @@ export class SayahRequestDto {
   @Matches(/^\d{10}$/, { message: 'nationalCode must be exactly 10 digits' })
   nationalCode!: string;
 
-  @ApiPropertyOptional({ nullable: true })
+  @ApiPropertyOptional({
+    type: String,
+    example: '',
+    nullable: true,
+    description: 'Legal entity ID; use empty string for natural persons',
+  })
   @IsOptional()
   @IsString()
+  @Transform(({ value }: { value: unknown }) => {
+    if (value === null || value === undefined) {
+      return value;
+    }
+    if (typeof value === 'object') {
+      return '';
+    }
+    return String(value);
+  })
   legalId?: string | null;
 
   @ApiProperty({

src/inquiry/inquiry.service.ts

@@ -5,6 +5,7 @@ import { ProviderName } from '../common/enums/provider-name.enum';
 import { BaseInquiryResponseDto } from '../common/dto/base-inquiry-response.dto';
 import { NormalizedErrorDto } from '../common/dto/normalized-error.dto';
 import { generateTrackingCode } from '../common/helpers/tracking-code.helper';
+import { buildInquiryResponse } from '../common/helpers/inquiry-response.helper';
 import { InquiryException } from '../common/exceptions/inquiry.exception';
 import { InquiryLogService } from '../logging/inquiry-log.service';
 import {
@@ -54,19 +55,20 @@ export class InquiryService {
         trackingCode,
       );
 
-      const response = this.buildSuccessResponse(
+      const response = buildInquiryResponse({
-        result.data,
+        success: true,
-        result.provider,
+        provider: result.provider,
         trackingCode,
-        result.duration,
+        message: `${this.getInquiryLabel(inquiryType)} completed successfully`,
-        `${this.getInquiryLabel(inquiryType)} completed successfully`,
+        duration: result.duration,
-      );
+        data: this.toResponseData(result.data),
+      });
 
       await this.persistLog({
         inquiryType,
         provider: result.provider,
         requestPayload: payload,
-        responsePayload: response.data,
+        responsePayload: response.data ?? undefined,
         status: InquiryStatus.SUCCESS,
         duration: result.duration,
         requestId,
@@ -76,20 +78,20 @@ export class InquiryService {
       return response;
     } catch (error) {
       const duration = Date.now() - start;
-      const normalized = this.extractError(error);
+      const { normalized, provider } = this.extractFailure(error);
 
-      const response: BaseInquiryResponseDto<Record<string, unknown>> = {
+      const response = buildInquiryResponse({
         success: false,
-        provider: 'GATEWAY',
+        provider: provider ?? 'GATEWAY',
         trackingCode,
         message: normalized.message,
-        error: normalized,
         duration,
-      };
+        error: normalized,
+      });
 
       await this.persistLog({
         inquiryType,
-        provider: ProviderName.HAMTA,
+        provider: (provider as ProviderName | undefined) ?? ProviderName.HAMTA,
         requestPayload: payload,
         status: InquiryStatus.FAILURE,
         duration,
@@ -114,23 +116,6 @@ export class InquiryService {
     });
   }
 
-  private buildSuccessResponse(
-    result: unknown,
-    provider: string,
-    trackingCode: string,
-    duration: number,
-    message: string,
-  ): BaseInquiryResponseDto<Record<string, unknown>> {
-    return {
-      success: true,
-      provider,
-      trackingCode,
-      message,
-      duration,
-      data: this.toResponseData(result),
-    };
-  }
-
   private toResponseData(result: unknown): Record<string, unknown> {
     if (this.isPersonInquiryResult(result)) {
       const raw =
@@ -169,16 +154,23 @@ export class InquiryService {
     return inquiryType.replace(/_INQUIRY$/, '').toLowerCase().replace(/_/g, ' ');
   }
 
-  private extractError(error: unknown): NormalizedErrorDto {
+  private extractFailure(error: unknown): {
+    normalized: NormalizedErrorDto;
+    provider?: string;
+  } {
     if (error instanceof InquiryException) {
-      return error.normalizedError;
+      return { normalized: error.normalizedError, provider: error.provider };
     }
     if (error && typeof error === 'object' && 'normalizedError' in error) {
-      return (error as { normalizedError: NormalizedErrorDto }).normalizedError;
+      return {
+        normalized: (error as { normalizedError: NormalizedErrorDto }).normalizedError,
+      };
     }
     return {
-      code: 'INQUIRY_FAILED',
+      normalized: {
-      message: error instanceof Error ? error.message : 'Inquiry failed',
+        code: 'INQUIRY_FAILED',
+        message: error instanceof Error ? error.message : 'Inquiry failed',
+      },
     };
   }
 

src/providers/base/base-provider.abstract.ts

@@ -126,6 +126,8 @@ export abstract class BaseProvider<TRequest = unknown, TResponse = unknown>
       message: partial.message ?? 'Provider request failed',
       providerMessage: partial.providerMessage,
       providerCode: partial.providerCode,
+      providerTrackingCode: partial.providerTrackingCode,
+      details: partial.details,
     };
   }
 
@@ -133,6 +135,7 @@ export abstract class BaseProvider<TRequest = unknown, TResponse = unknown>
     providerMessage?: string,
     providerCode?: string,
     fallbackMessage = 'Provider request failed',
+    extras?: Pick<NormalizedErrorDto, 'providerTrackingCode' | 'details'>,
   ): Error {
     const message = providerMessage?.trim() || fallbackMessage;
     const code = providerCode?.trim() || 'PROVIDER_ERROR';
@@ -141,6 +144,7 @@ export abstract class BaseProvider<TRequest = unknown, TResponse = unknown>
       message,
       providerMessage: message,
       providerCode: code,
+      ...extras,
     });
     const err = new Error(message);
     (err as Error & { normalizedError: NormalizedErrorDto }).normalizedError = normalized;

src/providers/implementations/hamta.provider.ts

@@ -6,6 +6,11 @@ import {
   getSayahProviderError,
   SayahApiResponse,
 } from '../../common/helpers/sayah-response.helper';
+import {
+  describeShahkarResponse,
+  getShahkarProviderError,
+  parseShahkarInqueryResult,
+} from '../../common/helpers/shahkar-response.helper';
 import { InquiryType } from '../../common/enums/inquiry-type.enum';
 import { ProviderName } from '../../common/enums/provider-name.enum';
 import { ProviderEnvConfig } from '../../config/configuration';
@@ -210,14 +215,22 @@ export class HamtaProvider extends LegacyApiProvider {
         }),
       );
 
-      const result = this.extractSoapValue(response.data, 'ShahkarInqueryResult');
+      const shahkarFields = parseShahkarInqueryResult(response.data);
+      const providerError = getShahkarProviderError(shahkarFields);
+      if (providerError) {
+        this.nestLogger.warn(
+          `SHAHKAR provider business failure | ${describeShahkarResponse(shahkarFields)}`,
+        );
+        throw this.formatProviderError(providerError.message, providerError.code, undefined, {
+          providerTrackingCode: providerError.providerTrackingCode,
+        });
+      }
 
       return {
         raw: {
           nationalCode,
           mobileNo,
-          result,
+          ...shahkarFields,
-          soap: response.data,
         },
       };
     } catch (error) {

src/providers/implementations/moallem.provider.ts

@@ -7,6 +7,11 @@ import {
   getCivilRegistrationProviderError,
   parseCiiEstelamResult,
 } from '../../common/helpers/soap-civil-registration.helper';
+import {
+  getShahkarProviderError,
+  parseShahkarInqueryResult,
+  describeShahkarResponse,
+} from '../../common/helpers/shahkar-response.helper';
 import {
   getSayahProviderError,
   SayahApiResponse,
@@ -218,14 +223,22 @@ export class MoallemProvider extends LegacyApiProvider {
         }),
       );
 
-      const result = this.extractSoapValue(response.data, 'ShahkarInqueryResult');
+      const shahkarFields = parseShahkarInqueryResult(response.data);
+      const providerError = getShahkarProviderError(shahkarFields);
+      if (providerError) {
+        this.nestLogger.warn(
+          `SHAHKAR provider business failure | ${describeShahkarResponse(shahkarFields)}`,
+        );
+        throw this.formatProviderError(providerError.message, providerError.code, undefined, {
+          providerTrackingCode: providerError.providerTrackingCode,
+        });
+      }
 
       return {
         raw: {
           nationalCode,
           mobileNo,
-          result,
+          ...shahkarFields,
-          soap: response.data,
         },
       };
     } catch (error) {

src/providers/implementations/parsian.provider.ts

@@ -2,10 +2,12 @@ import { Injectable } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import axios, { AxiosError } from 'axios';
 import { mergeOutboundAxiosConfig } from '../../common/helpers/http-client.helper';
+import { getSayahProviderError, SayahApiResponse } from '../../common/helpers/sayah-response.helper';
 import {
-  getSayahProviderError,
+  describeShahkarResponse,
-  SayahApiResponse,
+  getShahkarProviderError,
-} from '../../common/helpers/sayah-response.helper';
+  normalizeShahkarFields,
+} from '../../common/helpers/shahkar-response.helper';
 import { InquiryType } from '../../common/enums/inquiry-type.enum';
 import { ProviderName } from '../../common/enums/provider-name.enum';
 import { ProviderExecutionContext } from '../../common/interfaces/inquiry-provider.interface';
@@ -192,11 +194,22 @@ export class ParsianProvider extends BaseProvider<LegacyInquiryPayload, LegacyIn
       );
 
       const body = response.data;
+      const shahkarFields = normalizeShahkarFields(body as unknown as Record<string, unknown>);
+      const providerError = getShahkarProviderError(shahkarFields);
+      if (providerError) {
+        this.nestLogger.warn(
+          `SHAHKAR provider business failure | ${describeShahkarResponse(shahkarFields)}`,
+        );
+        throw this.formatProviderError(providerError.message, providerError.code, undefined, {
+          providerTrackingCode: providerError.providerTrackingCode,
+        });
+      }
+
       return {
         raw: {
           nationalCode,
           mobileNumber,
-          ...body,
+          ...shahkarFields,
         },
       };
     } catch (error) {

src/providers/shared/legacy-api.provider.abstract.ts

@@ -1,5 +1,10 @@
 import { AxiosError, AxiosInstance } from 'axios';
 import { createOutboundAxiosInstance } from '../../common/helpers/http-client.helper';
+import {
+  CentInsurApiResponse,
+  describeCentInsurResponse,
+  getCentInsurProviderError,
+} from '../../common/helpers/centinsur-response.helper';
 import { getSayahProviderError } from '../../common/helpers/sayah-response.helper';
 import { InquiryType } from '../../common/enums/inquiry-type.enum';
 import { ProviderName } from '../../common/enums/provider-name.enum';
@@ -131,6 +136,12 @@ export abstract class LegacyApiProvider extends BaseProvider<
 
       const body = response.data;
 
+      if ('IsSucceed' in body) {
+        this.nestLogger.log(
+          `${inquiryType} provider response | http=${response.status} | ${describeCentInsurResponse(body)}`,
+        );
+      }
+
       // Handle Sayah/Sheba API format (ReturnValue/HasError)
       if ('ReturnValue' in body || 'HasError' in body) {
         const providerError = getSayahProviderError(body);
@@ -142,11 +153,14 @@ export abstract class LegacyApiProvider extends BaseProvider<
 
       // Handle CentInsur API format (IsSucceed/Result)
       if ('IsSucceed' in body) {
-        if (!body.IsSucceed) {
+        const providerError = getCentInsurProviderError(body, inquiryType);
-          throw this.formatProviderError(
+        if (providerError) {
-            body.Result?.ErrorMessage ?? 'Request failed',
+          this.nestLogger.warn(
-            'API_ERROR',
+            `${inquiryType} provider business failure | ${describeCentInsurResponse(body)}`,
           );
+          throw this.formatProviderError(providerError.message, providerError.code, undefined, {
+            providerTrackingCode: providerError.providerTrackingCode,
+          });
         }
         return { raw: body };
       }
@@ -172,11 +186,13 @@ export abstract class LegacyApiProvider extends BaseProvider<
         }
         
         // Check for CentInsur format error
-        if (data && 'IsSucceed' in data && !data.IsSucceed) {
+        if (data && 'IsSucceed' in data) {
-          throw this.formatProviderError(
+          const providerError = getCentInsurProviderError(data, inquiryType);
-            data.Result?.ErrorMessage ?? error.message,
+          if (providerError) {
-            String(error.response?.status ?? 'API_ERROR'),
+            throw this.formatProviderError(providerError.message, providerError.code, undefined, {
-          );
+              providerTrackingCode: providerError.providerTrackingCode,
+            });
+          }
         }
         
         throw this.formatProviderError(

src/providers/strategy/provider-orchestrator.service.ts

@@ -71,9 +71,10 @@ export class ProviderOrchestratorService {
     const lastError = errors[errors.length - 1]!;
 
     if (providers.length === 1) {
-      throw new InquiryException(lastError.message, lastError);
+      throw new InquiryException(lastError.message, lastError, undefined, providers[0]!.name);
     }
 
+    const lastProvider = providers[providers.length - 1]!.name;
     throw new InquiryException(
       errors.map((error) => error.message).join('; '),
       {
@@ -82,6 +83,8 @@ export class ProviderOrchestratorService {
         providerMessage: lastError.providerMessage ?? lastError.message,
         providerCode: lastError.providerCode ?? lastError.code,
       },
+      undefined,
+      lastProvider,
     );
   }