diff --git a/apps/edr-freight-api/src/seed/edr-org.seeder.ts b/apps/edr-freight-api/src/seed/edr-org.seeder.ts
index 6b8529225..9f10c3e0e 100644
--- a/apps/edr-freight-api/src/seed/edr-org.seeder.ts
+++ b/apps/edr-freight-api/src/seed/edr-org.seeder.ts
@@ -164,20 +164,25 @@ export class EdrOrgSeeder {
     manager: EntityManager,
     applicationId: string,
   ) {
-    const permissionRepository = manager.getRepository(Permission);
-
-    // Upsert by key so reruns are idempotent; applicationId ties every
-    // permission to the EDR Freight application (also backfills rows that
-    // were previously seeded without the relation).
-    await permissionRepository.upsert(
-      EDR_FREIGHT_PERMISSIONS.map((permission) => ({
-        id: permission.id,
-        key: permission.key,
-        name: { ...permission.name },
-        applicationId,
-      })),
-      { conflictPaths: { key: true } },
-    );
+    // iam.permissions has TWO unique columns (PK id, UQ key) but ON CONFLICT
+    // can only target one. Seeding a hand-minted id that some older/retired key
+    // already owns in an environment slips past ON CONFLICT (key) and dies on
+    // the PK. The key is the identity every consumer resolves by (positions
+    // seeder maps key -> id at runtime), so ids are left to the column default
+    // and never sent — no id can collide.
+    await manager
+      .createQueryBuilder()
+      .insert()
+      .into(Permission)
+      .values(
+        EDR_FREIGHT_PERMISSIONS.map((permission) => ({
+          key: permission.key,
+          name: { ...permission.name },
+          applicationId,
+        })),
+      )
+      .orUpdate(["name", "application_id"], ["key"])
+      .execute();
 
     this.logger.log(
       `Ensured ${EDR_FREIGHT_PERMISSIONS.length} permissions on application '${EDR_FREIGHT_APPLICATION.key}'`,
diff --git a/apps/edr-freight-api/src/seed/freight-permissions.registry.spec.ts b/apps/edr-freight-api/src/seed/freight-permissions.registry.spec.ts
new file mode 100644
index 000000000..caab85c3e
--- /dev/null
+++ b/apps/edr-freight-api/src/seed/freight-permissions.registry.spec.ts
@@ -0,0 +1,13 @@
+import { EDR_FREIGHT_PERMISSIONS } from './edr-freight.seed';
+
+describe('EDR_FREIGHT_PERMISSIONS', () => {
+  // The seeder inserts the whole catalog in one ON CONFLICT (key) DO UPDATE
+  // statement — a duplicated key there is a Postgres 21000 at boot, not a
+  // silent no-op.
+  it('has no duplicate keys', () => {
+    const keys = EDR_FREIGHT_PERMISSIONS.map((permission) => permission.key);
+    const duplicates = [...new Set(keys.filter((key, i) => keys.indexOf(key) !== i))];
+
+    expect(duplicates).toEqual([]);
+  });
+});
diff --git a/apps/edr-freight-api/src/seed/freight-permissions.registry.ts b/apps/edr-freight-api/src/seed/freight-permissions.registry.ts
index 788479329..38e1f9104 100644
--- a/apps/edr-freight-api/src/seed/freight-permissions.registry.ts
+++ b/apps/edr-freight-api/src/seed/freight-permissions.registry.ts
@@ -109,8 +109,12 @@ export const CONTRACT_PERMISSIONS: FreightPermissionSeed[] = [
   perm('a3000001-0001-4000-8000-00000000001b', 'edr_freight_app:contracts:suspend', 'Suspend / resume a signed contract'),
 ];
 
-// Existing per-slug view ids are kept as-is: position-type grants reference
-// them by id, so re-minting would orphan those rows.
+// Historical ids. EdrOrgSeeder no longer sends them — it upserts on `key` and
+// lets the column default mint the uuid — so these are kept only as a record of
+// which ids each environment already holds. A hand-picked id must still never
+// be recycled from a retired key: `edr_freight_app:rule_engine:truck_types:manage`
+// owned …001b, and reusing it for transit-agents crashed boot with a PK 23505
+// on every environment that still had the retired row.
 const RULE_ENGINE_VIEW_IDS: Record<RuleEngineResourceSlug, string> = {
   'cargo-types': 'b2000001-0001-4000-8000-000000000001',
   'container-types': 'b2000001-0001-4000-8000-000000000003',
@@ -124,7 +128,7 @@ const RULE_ENGINE_VIEW_IDS: Record<RuleEngineResourceSlug, string> = {
   rates: 'b2000001-0001-4000-8000-000000000011',
   'approval-rules': 'b2000001-0001-4000-8000-000000000013',
   'yard-distances': 'b2000001-0001-4000-8000-000000000018',
-  'transit-agents': 'b2000001-0001-4000-8000-00000000001b',
+  'transit-agents': 'b2000003-0001-4000-8000-000000000001',
 };
 
 // CRUD replaces the retired coarse `:manage`. New ids live in a fresh block