Preserve live scope across evidence and registry flows

src/Web/StellaOps.Web/scripts/live-frontdoor-changed-surfaces.mjs

@@ -83,6 +83,7 @@ const surfaceConfigs = [
         selector: 'main button:has-text("Back to Search")',
         expectedUrlPattern: '/evidence/threads',
         expectedTextPattern: /evidence threads/i,
+        requiredUrlFragments: ['tenant=', 'regions='],
       },
     ],
   },
@@ -115,6 +116,7 @@ const surfaceConfigs = [
         selector: 'a[href*="/registry-admin/audit"], button:has-text("Audit")',
         expectedUrlPattern: '/registry-admin/audit',
         expectedTextPattern: /audit/i,
+        requiredUrlFragments: ['tenant=', 'regions='],
       },
     ],
   },
@@ -389,7 +391,9 @@ async function verifySurfaceActions(context, surface) {
       const bodyText = await collectBodyText(page);
       const headingText = firstMatchingHeading(action.expectedTextPattern, headings);
       const finalUrl = page.url();
+      const hasRequiredUrlFragments = (action.requiredUrlFragments ?? []).every((fragment) => finalUrl.includes(fragment));
       const ok = finalUrl.includes(action.expectedUrlPattern)
+        && hasRequiredUrlFragments
         && matchesPattern(action.expectedTextPattern, headings, bodyText);
 
       results.push({

src/Web/StellaOps.Web/src/app/features/evidence-thread/__tests__/evidence-thread-view.component.spec.ts

@@ -89,6 +89,7 @@ describe('EvidenceThreadViewComponent', () => {
 
     expect(router.navigate).toHaveBeenCalledWith(['/evidence/threads'], {
       queryParams: { purl: 'pkg:oci/acme/api@sha256:abc123' },
+      queryParamsHandling: 'merge',
     });
   });
 

src/Web/StellaOps.Web/src/app/features/evidence-thread/components/evidence-thread-view/evidence-thread-view.component.ts

@@ -87,7 +87,8 @@ export class EvidenceThreadViewComponent implements OnInit, OnDestroy {
   onBack(): void {
     const purl = this.returnPurl();
     void this.router.navigate(['/evidence/threads'], {
-      queryParams: purl ? { purl } : {},
+      queryParams: purl ? { purl } : undefined,
+      queryParamsHandling: 'merge',
     });
   }
 

src/Web/StellaOps.Web/src/app/features/registry-admin/registry-admin.component.spec.ts

@@ -0,0 +1,40 @@
+import { TestBed } from '@angular/core/testing';
+import { RouterLink, provideRouter } from '@angular/router';
+import { By } from '@angular/platform-browser';
+import { of } from 'rxjs';
+
+import { REGISTRY_ADMIN_API } from '../../core/api/registry-admin.client';
+import { RegistryAdminComponent } from './registry-admin.component';
+
+describe('RegistryAdminComponent', () => {
+  const registryAdminApiStub = {
+    listPlans: () => of([]),
+  };
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [RegistryAdminComponent],
+      providers: [
+        provideRouter([]),
+      ],
+    })
+      .overrideComponent(RegistryAdminComponent, {
+        set: {
+          providers: [{ provide: REGISTRY_ADMIN_API, useValue: registryAdminApiStub }],
+        },
+      })
+      .compileComponents();
+  });
+
+  it('merges the active query scope across registry admin tabs', () => {
+    const fixture = TestBed.createComponent(RegistryAdminComponent);
+    fixture.detectChanges();
+
+    const links = fixture.debugElement
+      .queryAll(By.directive(RouterLink))
+      .map((debugElement) => debugElement.injector.get(RouterLink));
+
+    expect(links.length).toBe(2);
+    expect(links.every((link) => link.queryParamsHandling === 'merge')).toBeTrue();
+  });
+});

src/Web/StellaOps.Web/src/app/features/registry-admin/registry-admin.component.ts

@@ -49,6 +49,7 @@ type TabType = 'plans' | 'audit';
           class="registry-admin__tab"
           [class.registry-admin__tab--active]="activeTab() === 'plans'"
           routerLink="plans"
+          queryParamsHandling="merge"
           role="tab"
           [attr.aria-selected]="activeTab() === 'plans'"
         >
@@ -58,6 +59,7 @@ type TabType = 'plans' | 'audit';
           class="registry-admin__tab"
           [class.registry-admin__tab--active]="activeTab() === 'audit'"
           routerLink="audit"
+          queryParamsHandling="merge"
           role="tab"
           [attr.aria-selected]="activeTab() === 'audit'"
         >

src/Web/StellaOps.Web/tsconfig.spec.features.json

@@ -0,0 +1,12 @@
+{
+  "extends": "./tsconfig.spec.json",
+  "include": [],
+  "files": [
+    "src/test-setup.ts",
+    "src/app/core/api/first-signal.client.spec.ts",
+    "src/app/core/console/console-status.service.spec.ts",
+    "src/app/features/policy-simulation/simulation-dashboard.component.spec.ts",
+    "src/app/features/registry-admin/registry-admin.component.spec.ts",
+    "src/app/features/evidence-thread/__tests__/evidence-thread-view.component.spec.ts"
+  ]
+}