feat(companies): onboard co-operative unions and farms

They hold a TIN but no business licence, so there is no eTrade record to look
their registration up in. A checkbox on the first wizard step marks them, and
everything that assumed a trade licence bends around it:

- The company step replaces the eTrade lookup with typed registration details
  — name, region, zone, woreda, kebele, house number — required exactly because
  they are now on screen. applyEtradeSourcedFields skips the lookup rather than
  failing it, so what the customer sends is what is stored.
- No freight-forwarder role. Forwarding is licensed work, so the option is not
  offered, and the API refuses it at start-onboarding and at every later
  role-add rather than letting approval fail on a document they cannot produce.
- No per-role business-licence upload, client-side or in the completion gate.
- Their own document set (company_onboarding_documents_cooperative) merges on
  top of the nationality one, admin-managed like every other set. Nationality
  wins a fileKey collision so no slot renders twice, and the DARS paper is not
  injected into it — the set it merges onto already carries one.
- The owner is typed in full; with no eTrade manager on file the licence
  comparison reports "nothing to compare against", which backoffice now
  explains rather than leaving as a bare dash.

Stored as an attributes flag, not a column: everything it changes is
behavioural, and nothing queries or joins on it.

apps/edr-freight-api/src/modules/file-upload-settings/file-upload-settings.service.ts

@@ -17,6 +17,7 @@ import {
 } from "./interfaces/file-upload-settings.repository.interface";
 import {
   COMPANY_ONBOARDING_CODE_PREFIX,
+  COOPERATIVE_ONBOARDING_CODE,
   POA_DELEGATION_FILE_KEY,
   poaDelegationField,
 } from "./poa-delegation.constants";
@@ -56,6 +57,10 @@ export class FileUploadSettingsService {
    */
   private withPoaDelegationField(setting: FileUploadSetting): FileUploadSetting {
     if (!setting.code.startsWith(COMPANY_ONBOARDING_CODE_PREFIX)) return setting;
+    // The co-operative set is merged ON TOP of a nationality set that already
+    // carries the paper; injecting it here too would hand the portal the same
+    // slot twice.
+    if (setting.code === COOPERATIVE_ONBOARDING_CODE) return setting;
     const fields = setting.fields ?? [];
     if (fields.some((f) => f.fileKey === POA_DELEGATION_FILE_KEY)) return setting;
 

apps/edr-freight-api/src/modules/file-upload-settings/poa-delegation.constants.ts

@@ -26,6 +26,14 @@ export const POA_DELEGATION_LABEL = "DARS Delegation Paper";
 /** Prefix of the setting codes the field is injected into. */
 export const COMPANY_ONBOARDING_CODE_PREFIX = "company_onboarding_documents_";
 
+/**
+ * The co-operative onboarding set. Unlike the nationality sets it is ADDITIVE —
+ * merged on top of the company's `_ethiopian`/`_foreign` set rather than
+ * replacing it — which is why the delegation paper is not injected into it: the
+ * set it is merged onto already carries one.
+ */
+export const COOPERATIVE_ONBOARDING_CODE = `${COMPANY_ONBOARDING_CODE_PREFIX}cooperative`;
+
 const POA_DELEGATION_HELP =
   "Delegation paper issued by the Documents Authentication and Registration " +
   "Service (DARS) delegating the representative named above. Upload the " +