feat(freight-me): add position type lookup and enrich user profile with position type

apps/edr-freight-api/src/modules/auth/freight-me.service.ts

@@ -1,5 +1,7 @@
 import { Injectable } from '@nestjs/common';
+import { InjectDataSource } from '@nestjs/typeorm';
 import type { TCurrentUser } from '@tria-plc/api-common/modules/auth/types/current-user.type';
+import { DataSource } from 'typeorm';
 
 import {
   collectPermissionKeys,
@@ -9,7 +11,35 @@ import { PERMISSIONS_CATALOG } from '../../seed/freight-permissions.registry';
 
 @Injectable()
 export class FreightMeService {
-  getEnrichedProfile(user: TCurrentUser) {
+  constructor(@InjectDataSource() private readonly dataSource: DataSource) {}
+
+  /**
+   * The JWT session snapshot has no position TYPE, but the backoffice needs it
+   * (GL sub-positions are identified by type key). Resolved live from IAM.
+   */
+  private async lookupPositionType(
+    positionId: string | undefined,
+  ): Promise<{ key: string; name: unknown } | null> {
+    if (!positionId) return null;
+    try {
+      const rows: { key: string; name: unknown }[] = await this.dataSource.query(
+        `SELECT pt.key, pt.name
+           FROM iam.positions p
+           JOIN iam.position_types pt ON pt.id = p.position_type_id
+          WHERE p.id = $1`,
+        [positionId],
+      );
+      return rows[0] ?? null;
+    } catch {
+      return null; // iam schema unreachable — degrade to the old payload shape
+    }
+  }
+
+  async getEnrichedProfile(user: TCurrentUser) {
+    const positionType = await this.lookupPositionType(
+      user.employee?.position?.id,
+    );
+
     const employee = user.employee
       ? [
           {
@@ -27,6 +57,7 @@ export class FreightMeService {
                     isDelegate: user.employee.position.isDelegate,
                     parentPositionId: user.employee.position.parentPositionId,
                     permissions: user.employee.position.permissions ?? [],
+                    positionType,
                   },
                 ]
               : [],