fix: harden real backend workflows and channel connections

api/src/tenants/tenants.service.ts

@@ -4,7 +4,7 @@ import { PrismaService } from '../prisma/prisma.service';
 
 export interface CreateTenantDto {
   name: string;
-  code: string;
+  code?: string;
   status?: string;
   creditCode?: string;
   province?: string;
@@ -44,6 +44,31 @@ export class TenantsService {
     }).then((items) => items.map(withEnterpriseProfile));
   }
 
+  async listManagementRows() {
+    const sinceToday = startOfToday();
+    const [tenants, accounts, todaySpendGroups] = await Promise.all([
+      this.prisma.tenant.findMany({
+        where: { status: { not: 'deleted' } },
+        include: { enterpriseCertifications: { orderBy: { submittedAt: 'desc' }, take: 1 } },
+        orderBy: { createdAt: 'desc' },
+        take: 100,
+      }),
+      this.prisma.tenantAccount.findMany({ take: 200 }),
+      this.prisma.smsMessageRecord.groupBy({
+        by: ['tenantId'],
+        where: { queuedAt: { gte: sinceToday } },
+        _sum: { amountCents: true },
+      }),
+    ]);
+    const accountsByTenant = new Map(accounts.map((account) => [account.tenantId, account]));
+    const todaySpendByTenant = new Map(todaySpendGroups.map((group) => [group.tenantId, group._sum.amountCents ?? 0]));
+    return tenants.map((tenant) => ({
+      ...withEnterpriseProfile(tenant),
+      account: accountsByTenant.get(tenant.id) ?? null,
+      todaySpendCents: todaySpendByTenant.get(tenant.id) ?? 0,
+    }));
+  }
+
   get(id: string) {
     return this.prisma.tenant.findUnique({
       where: { id },
@@ -57,8 +82,9 @@ export class TenantsService {
   }
 
   async create(data: CreateTenantDto) {
+    const code = data.code?.trim() || generateTenantCode(data);
     const tenant = await this.prisma.tenant.create({
-      data: { name: data.name, code: data.code, status: data.status ?? 'active' },
+      data: { name: data.name, code, status: data.status ?? 'active' },
     });
     await this.upsertProfile(tenant.id, data);
     return this.get(tenant.id);
@@ -163,3 +189,16 @@ function withEnterpriseProfile<T extends { enterpriseCertifications?: Array<{ li
     } : null,
   };
 }
+
+function startOfToday() {
+  const date = new Date();
+  date.setHours(0, 0, 0, 0);
+  return date;
+}
+
+function generateTenantCode(data: CreateTenantDto) {
+  const source = data.creditCode?.trim() || data.name.trim();
+  const normalized = source.replace(/[^\da-zA-Z]/g, '').toLowerCase();
+  const suffix = Date.now().toString(36).slice(-6);
+  return `ent-${(normalized || 'tenant').slice(0, 18)}-${suffix}`;
+}