Track person import source and previous names; add source report and edit UX.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/contacts/contacts-excel.service.ts

@@ -22,6 +22,7 @@ import {
 } from '../common/excel-import-session';
 import { CompaniesService } from './companies.service';
 import { PeopleService } from './people.service';
+import { normalizePersonImportSource } from './person-source';
 
 type ImportChunkOpts = {
   sessionId?: string;
@@ -459,6 +460,16 @@ export class ContactsExcelService {
         })();
 
       try {
+        const didarId = customFields.didarId?.trim() || '';
+        const customerCode = customFields.customerCode?.trim() || '';
+        const sourceCol = customFields.source?.trim() || '';
+        const importSource = didarId
+          ? 'didar'
+          : sourceCol
+            ? normalizePersonImportSource(sourceCol)
+            : 'excel';
+        const sourceRef = didarId || customerCode || null;
+
         await this.people.create(actor, {
           firstName: names.firstName,
           lastName: names.lastName,
@@ -474,6 +485,8 @@ export class ContactsExcelService {
           companyId,
           ownerId: resolveOwnerId(actor, ownerId ?? null),
           customFields,
+          importSource,
+          sourceRef,
           registeredAt: registeredAt?.toISOString() ?? null,
         });
         result.created += 1;