feat: refine template deletion and channel group filters

api/src/send-chain/send-batch-entry.service.ts

@@ -14,7 +14,7 @@ import { PhoneFrequencyService } from '../risk-review/phone-frequency.service';
 import type { CreateBatchTaskDto, CreateHttpBatchTaskDto, GatewayInboundAuthDto, GatewayInboundSubmitDto, GatewayInboundSingleSubmitResult, ImportPreviewDto, ConfirmImportDto, SendJob, QueuePriority, RoutedChannel } from './send-chain.contracts';
 import { SEND_QUEUE, GATEWAY_SUBMIT_QUEUE, GATEWAY_SUBMIT_STREAM, DEFAULT_SCHEDULED_DISPATCH_STALE_MS, DEFAULT_INBOUND_LONG_MESSAGE_PROCESSING_STALE_SECONDS, GATEWAY_SUBMIT_REQUEUE_IDEMPOTENCY_TTL_SECONDS, BULLMQ_PRIORITY, statusFromRisk, parseSchedule, parseImportRows, splitImportLine, cellByHeader, normalizeCarrier, normalizeQueuePriority, getPositiveConfigInteger, getNonNegativeConfigInteger, isCarrierCompatible, matchTemplateContent, isNationalChannel, validateInboundApplicationSrcId, composeUpstreamSrcId, positiveInteger, parseOptionalSequenceId, shanghaiDateKey, bullmqConnection, matchesApplicationSecret, octetString, selectChannelCandidate } from './send-chain.helpers';
 import { detectDrainageContent } from './drainage-content-detection';
-import type { SendSubmissionCallbacks, SendSubmissionService } from './send-submission.service';
+import type { SendResourceValidationOptions, SendSubmissionCallbacks, SendSubmissionService } from './send-submission.service';
 
 /**
  * R9 batchEntry implementation. Cross-method calls return through the stable SendChainService seam.
@@ -469,7 +469,12 @@ async classifyRejectedPhones(tenantId: string, applicationId: string | undefined
     return rejected;
   }
 
-async validateSendResources(tenantId: string, applicationId?: string, templateId?: string) {
+async validateSendResources(
+    tenantId: string,
+    applicationId?: string,
+    templateId?: string,
+    options: SendResourceValidationOptions = {},
+  ) {
     const tenant = await this.prisma.tenant.findUnique({ where: { id: tenantId } });
     if (!tenant || tenant.status !== 'active') {
       throw new BadRequestException('企业客户不存在或已停用');
@@ -494,7 +499,12 @@ async validateSendResources(tenantId: string, applicationId?: string, templateId
       where: { id: templateId },
       include: { signature: true },
     });
-    if (!template || template.tenantId !== tenantId || template.applicationId !== applicationId || template.auditStatus !== 'approved') {
+    const templateBelongsToApplication = template
+      && template.tenantId === tenantId
+      && template.applicationId === applicationId;
+    // 定时任务在创建时已通过模板审核并持久化内容快照；后续删除模板只能阻止新任务，
+    // 不应追溯性地使已接受任务失败。但仍校验租户、应用归属和签名当前安全状态。
+    if (!templateBelongsToApplication || (!options.usePersistedTemplateSnapshot && template.auditStatus !== 'approved')) {
       throw new BadRequestException('短信模板不存在、未通过审核或不属于当前应用');
     }
     if (!template.signature || template.signature.auditStatus !== 'approved') {