Show provisioning requesters and reserve Maxis for system actions

tests/unit/provisioning-presentation.test.ts

@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest';
 import type { ProvisioningDetail, ProvisioningProgress } from '../../src/lib/provisioning-detail.js';
 import { provisioningActions } from '../../src/lib/provisioning.js';
-import { isProvisioningDetail, isProvisioningEventPage, provisioningGroups, provisioningOutcome, provisioningReturn } from '../../src/lib/ui/provisioning-presentation.js';
+import { isProvisioningDetail, isProvisioningEventPage, provisioningGroups, provisioningOutcome, provisioningRequester, provisioningReturn } from '../../src/lib/ui/provisioning-presentation.js';
 
 const at = '2026-09-28T12:00:00Z';
 function progress(patch: Partial<ProvisioningProgress> = {}): ProvisioningProgress {
@@ -19,6 +19,19 @@ function fixture(): ProvisioningDetail {
 }
 
 describe('provisioning outcome and evidence presentation', () => {
+    it('shows recorded usernames and preserves unknown manual requesters', () => {
+        expect(provisioningRequester({ triggered_by: 'ui', requested_by: 'alice' })).toBe('alice');
+        expect(provisioningRequester({ triggered_by: 'rebalance:run', requested_by: 'bob' })).toBe('bob');
+        expect(provisioningRequester({ triggered_by: 'ui', requested_by: null })).toBe('Not recorded');
+        expect(provisioningRequester({ triggered_by: 'ui' })).toBe('Not recorded');
+    });
+
+    it.each(['watchdog:incident', 'maintenance:job', 'autoscaling:policy', 'campaign:run', 'beta:75', 'rebalance:run', 'host-drain'])(
+        'shows Maxis for system work from %s', triggered_by => {
+            expect(provisioningRequester({ triggered_by, requested_by: null })).toBe('Maxis');
+            expect(provisioningRequester({ triggered_by })).toBe('Maxis');
+        });
+
     it('distinguishes a failed creation retry from readiness verification and its linked recovery', () => {
         const detail = fixture();
         detail.deployment.state = 'failed';