Migrate KYC backend from Django to Express + Apollo Server + Prisma

Replace Python/Django/Graphene with TypeScript/Express/Apollo Server.
Same 3 endpoints (public/user/m2m), same JWT auth via Logto.
Prisma replaces Django ORM. MongoDB, Temporal and SurrealDB integrations preserved.

src/services/mongodb.ts

@@ -0,0 +1,65 @@
+import { MongoClient } from 'mongodb'
+
+const MONGODB_URI = process.env.MONGODB_URI || ''
+const MONGODB_DB = process.env.MONGODB_DB || 'kyc'
+
+export async function getCompanyDocuments(inn: string) {
+  if (!MONGODB_URI) return []
+  const client = new MongoClient(MONGODB_URI)
+  try {
+    await client.connect()
+    const db = client.db(MONGODB_DB)
+    return await db.collection('company_documents').find({ inn }).toArray()
+  } finally {
+    await client.close()
+  }
+}
+
+interface CompanySummary {
+  inn?: string
+  ogrn?: string
+  name?: string
+  companyType?: string
+  registrationYear?: number
+  isActive: boolean
+  address?: string
+  director?: string
+  capital?: string
+  activities: string[]
+  sources: string[]
+  lastUpdated?: string
+}
+
+export function aggregateCompanyData(documents: Record<string, unknown>[]): CompanySummary {
+  const summary: CompanySummary = {
+    isActive: true,
+    activities: [],
+    sources: [],
+  }
+
+  for (const doc of documents) {
+    const source = (doc.source as string) || 'unknown'
+    summary.sources.push(source)
+
+    const data = (doc.data as Record<string, unknown>) || {}
+
+    if (!summary.inn) summary.inn = doc.inn as string
+    if (!summary.ogrn && data.ogrn) summary.ogrn = data.ogrn as string
+    if (!summary.name && data.name) summary.name = data.name as string
+
+    if (!summary.companyType && summary.name) {
+      const name = summary.name.toUpperCase()
+      if (name.includes('ООО') || name.includes('ОБЩЕСТВО С ОГРАНИЧЕННОЙ')) summary.companyType = 'ООО'
+      else if (name.includes('ПАО')) summary.companyType = 'ПАО'
+      else if (name.includes('АО') || name.includes('АКЦИОНЕРНОЕ ОБЩЕСТВО')) summary.companyType = 'АО'
+      else if (name.includes('ИП') || name.includes('ИНДИВИДУАЛЬНЫЙ ПРЕДПРИНИМАТЕЛЬ')) summary.companyType = 'ИП'
+    }
+
+    const collectedAt = doc.collected_at as string | undefined
+    if (collectedAt && (!summary.lastUpdated || collectedAt > summary.lastUpdated)) {
+      summary.lastUpdated = collectedAt
+    }
+  }
+
+  return summary
+}