Adapt live frontend clients for compatibility data

2026-03-10 01:38:10 +02:00
parent 18246cd74c
commit 4a13601207
5 changed files with 523 additions and 20 deletions
--- a/src/Web/StellaOps.Web/src/app/core/api/first-signal.client.spec.ts
+++ b/src/Web/StellaOps.Web/src/app/core/api/first-signal.client.spec.ts
@@ -0,0 +1,102 @@
+import { HttpTestingController, provideHttpClientTesting } from '@angular/common/http/testing';
+import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
+import { TestBed } from '@angular/core/testing';
+
+import { AuthSessionStore } from '../auth/auth-session.store';
+import { TenantActivationService } from '../auth/tenant-activation.service';
+import { CONSOLE_API_BASE_URL, EVENT_SOURCE_FACTORY } from './console-status.client';
+import { FirstSignalHttpClient } from './first-signal.client';
+import { JOBENGINE_API_BASE_URL } from './jobengine.client';
+
+class FakeAuthSessionStore {
+  getActiveTenantId(): string | null {
+    return 'tenant-dev';
+  }
+}
+
+class FakeTenantActivationService {
+  authorize(): boolean {
+    return true;
+  }
+}
+
+describe('FirstSignalHttpClient', () => {
+  let httpMock: HttpTestingController;
+  let client: FirstSignalHttpClient;
+  let eventSourceFactory: jasmine.Spy<(url: string) => EventSource>;
+
+  beforeEach(() => {
+    eventSourceFactory = jasmine.createSpy('eventSourceFactory');
+
+    TestBed.configureTestingModule({
+      providers: [
+        FirstSignalHttpClient,
+        { provide: AuthSessionStore, useClass: FakeAuthSessionStore },
+        { provide: TenantActivationService, useClass: FakeTenantActivationService },
+        { provide: JOBENGINE_API_BASE_URL, useValue: '/api/v1' },
+        { provide: CONSOLE_API_BASE_URL, useValue: '/api/console' },
+        { provide: EVENT_SOURCE_FACTORY, useValue: eventSourceFactory },
+        provideHttpClient(withInterceptorsFromDi()),
+        provideHttpClientTesting(),
+      ],
+    });
+
+    httpMock = TestBed.inject(HttpTestingController);
+    client = TestBed.inject(FirstSignalHttpClient);
+  });
+
+  afterEach(() => {
+    httpMock.verify();
+  });
+
+  it('routes compatibility run ids to the console first-signal endpoint', () => {
+    let result: { response: unknown; etag: string | null; cacheStatus: string } | undefined;
+
+    client.getFirstSignal('run::tenant-dev::20260309', { etag: '"compat-prev"' }).subscribe((value) => {
+      result = value;
+    });
+
+    const req = httpMock.expectOne('/api/console/runs/run%3A%3Atenant-dev%3A%3A20260309/first-signal');
+    expect(req.request.method).toBe('GET');
+    expect(req.request.headers.get('X-StellaOps-Tenant')).toBe('tenant-dev');
+    expect(req.request.headers.get('If-None-Match')).toBe('"compat-prev"');
+    req.flush(
+      {
+        runId: 'run::tenant-dev::20260309',
+        summaryEtag: '"compat-next"',
+        firstSignal: {
+          type: 'completed',
+          stage: 'console',
+          step: 'snapshot',
+          message: 'Console captured the latest completed snapshot for run::tenant-dev::20260309.',
+          at: '2026-03-09T12:00:00.0000000Z',
+          artifact: { kind: 'run' },
+        },
+      },
+      {
+        headers: {
+          ETag: '"compat-next"',
+          'Cache-Status': 'compatibility; generated',
+        },
+      },
+    );
+
+    expect(result).toEqual(jasmine.objectContaining({
+      etag: '"compat-next"',
+      cacheStatus: 'compatibility; generated',
+    }));
+  });
+
+  it('uses polling fallback for compatibility run ids without opening an SSE connection', () => {
+    let error: unknown;
+
+    client.streamFirstSignal('run::tenant-dev::20260309').subscribe({
+      error: (err) => {
+        error = err;
+      },
+    });
+
+    expect(eventSourceFactory).not.toHaveBeenCalled();
+    expect(error instanceof Error ? error.message : '').toContain('polling');
+  });
+});
--- a/src/Web/StellaOps.Web/src/app/core/api/first-signal.client.ts
+++ b/src/Web/StellaOps.Web/src/app/core/api/first-signal.client.ts
@@ -5,7 +5,7 @@ import { catchError, map } from 'rxjs/operators';

 import { AuthSessionStore } from '../auth/auth-session.store';
 import { TenantActivationService } from '../auth/tenant-activation.service';
-import { EVENT_SOURCE_FACTORY, type EventSourceFactory } from './console-status.client';
+import { CONSOLE_API_BASE_URL, EVENT_SOURCE_FACTORY, type EventSourceFactory } from './console-status.client';
 import { JOBENGINE_API_BASE_URL } from './jobengine.client';
 import { FirstSignalResponse, type FirstSignalRunStreamPayload } from './first-signal.models';
 import { generateTraceId } from './trace.util';
@@ -28,6 +28,7 @@ export class FirstSignalHttpClient implements FirstSignalApi {
    private readonly authSession: AuthSessionStore,
    private readonly tenantService: TenantActivationService,
    @Inject(JOBENGINE_API_BASE_URL) private readonly baseUrl: string,
+    @Inject(CONSOLE_API_BASE_URL) private readonly consoleBaseUrl: string,
    @Inject(EVENT_SOURCE_FACTORY) private readonly eventSourceFactory: EventSourceFactory
  ) {}

@@ -46,8 +47,12 @@ export class FirstSignalHttpClient implements FirstSignalApi {
      return throwError(() => new Error('Unauthorized: missing orch:read scope'));
    }

+    const requestUrl = this.isCompatibilityRunId(runId)
+      ? `${this.consoleBaseUrl}/runs/${encodeURIComponent(runId)}/first-signal`
+      : `${this.baseUrl}/jobengine/runs/${encodeURIComponent(runId)}/first-signal`;
+
    return this.http
-      .get<FirstSignalResponse>(`${this.baseUrl}/jobengine/runs/${encodeURIComponent(runId)}/first-signal`, {
+      .get<FirstSignalResponse>(requestUrl, {
        headers: this.buildHeaders(tenant, traceId, options.projectId, options.etag),
        observe: 'response',
      })
@@ -71,6 +76,12 @@ export class FirstSignalHttpClient implements FirstSignalApi {
   * NOTE: SSE requires tenant to be provided via query param (EventSource cannot set custom headers).
   */
  streamFirstSignal(runId: string, options: { tenantId?: string; traceId?: string } = {}): Observable<FirstSignalRunStreamPayload> {
+    if (this.isCompatibilityRunId(runId)) {
+      return new Observable<FirstSignalRunStreamPayload>((observer) => {
+        observer.error(new Error('Compatibility run identifiers use polling.'));
+      });
+    }
+
    const tenant = this.resolveTenant(options.tenantId);
    const traceId = options.traceId ?? generateTraceId();

@@ -107,6 +118,10 @@ export class FirstSignalHttpClient implements FirstSignalApi {
    return tenant ?? '';
  }

+  private isCompatibilityRunId(runId: string): boolean {
+    return runId.trim().startsWith('run::');
+  }
+
  private buildHeaders(tenantId: string, traceId: string, projectId?: string, ifNoneMatch?: string): HttpHeaders {
    let headers = new HttpHeaders({
      'Content-Type': 'application/json',
--- a/src/Web/StellaOps.Web/src/app/core/api/pack-registry.client.spec.ts
+++ b/src/Web/StellaOps.Web/src/app/core/api/pack-registry.client.spec.ts
@@ -0,0 +1,118 @@
+import { HttpTestingController, provideHttpClientTesting } from '@angular/common/http/testing';
+import { TestBed } from '@angular/core/testing';
+import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
+import { firstValueFrom } from 'rxjs';
+
+import { PackRegistryClient } from './pack-registry.client';
+
+describe('PackRegistryClient', () => {
+  let client: PackRegistryClient;
+  let httpMock: HttpTestingController;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [
+        PackRegistryClient,
+        provideHttpClient(withInterceptorsFromDi()),
+        provideHttpClientTesting(),
+      ],
+    });
+
+    client = TestBed.inject(PackRegistryClient);
+    httpMock = TestBed.inject(HttpTestingController);
+  });
+
+  afterEach(() => {
+    httpMock.verify();
+  });
+
+  it('normalizes the JobEngine list contract into the canonical UI shape', async () => {
+    const promise = firstValueFrom(client.list({ status: 'available', capability: 'scan' }, 25, '50'));
+    const req = httpMock.expectOne((request) => request.url === '/api/v1/jobengine/registry/packs');
+
+    expect(req.request.params.get('limit')).toBe('25');
+    expect(req.request.params.get('offset')).toBe('50');
+    expect(req.request.params.get('status')).toBe('published');
+    expect(req.request.params.get('search')).toBe('scan');
+
+    req.flush({
+      packs: [
+        {
+          packId: '9f9ed939-0d6c-420e-9bd5-3160ac210001',
+          name: 'stella-registry-scan',
+          displayName: 'Scanner Pack',
+          description: 'Pack for scanner operations',
+          status: 'published',
+          createdBy: 'system',
+          createdAt: '2026-03-09T00:00:00Z',
+          updatedAt: '2026-03-09T01:00:00Z',
+          metadata: JSON.stringify({
+            author: 'Stella Ops',
+            capabilities: ['scan', 'deploy'],
+            platformCompatibility: '>=1.2.0',
+            installedVersion: '1.0.0',
+            signedBy: 'stellaops-signer',
+          }),
+          tags: 'scan,deploy',
+          versionCount: 2,
+          latestVersion: '1.1.0',
+        },
+      ],
+      totalCount: 1,
+      nextCursor: '75',
+    });
+
+    const response = await promise;
+    expect(response.total).toBe(1);
+    expect(response.cursor).toBe('75');
+    expect(response.items[0]).toEqual(jasmine.objectContaining({
+      id: '9f9ed939-0d6c-420e-9bd5-3160ac210001',
+      name: 'Scanner Pack',
+      author: 'Stella Ops',
+      latestVersion: '1.1.0',
+      installedVersion: '1.0.0',
+      status: 'outdated',
+    }));
+    expect(response.items[0].capabilities).toEqual(['scan', 'deploy']);
+  });
+
+  it('normalizes version history responses for the browser service', async () => {
+    const promise = firstValueFrom(client.getVersions('9f9ed939-0d6c-420e-9bd5-3160ac210001'));
+    const req = httpMock.expectOne('/api/v1/jobengine/registry/packs/9f9ed939-0d6c-420e-9bd5-3160ac210001/versions');
+
+    req.flush({
+      versions: [
+        {
+          packVersionId: '8eb1f7a4-f0f1-43c7-9bf6-a3f7df700001',
+          packId: '9f9ed939-0d6c-420e-9bd5-3160ac210001',
+          version: '2.0.0',
+          status: 'published',
+          artifactUri: 's3://packs/scanner/2.0.0.tgz',
+          artifactDigest: 'sha256:abc',
+          createdBy: 'system',
+          createdAt: '2026-03-09T00:00:00Z',
+          updatedAt: '2026-03-09T00:10:00Z',
+          publishedAt: '2026-03-09T00:10:00Z',
+          isSigned: true,
+          signatureAlgorithm: 'ecdsa-p256',
+          metadata: JSON.stringify({ signedBy: 'release-bot' }),
+          downloadCount: 12,
+          releaseNotes: 'Major update',
+        },
+      ],
+      totalCount: 1,
+      nextCursor: null,
+    });
+
+    const versions = await promise;
+    expect(versions).toEqual([
+      jasmine.objectContaining({
+        version: '2.0.0',
+        changelog: 'Major update',
+        signedBy: 'release-bot',
+        isBreaking: true,
+        downloads: 12,
+      }),
+    ]);
+  });
+});
--- a/src/Web/StellaOps.Web/src/app/core/api/pack-registry.client.ts
+++ b/src/Web/StellaOps.Web/src/app/core/api/pack-registry.client.ts
@@ -1,7 +1,7 @@
 // Sprint: SPRINT_20251229_036_FE - Pack Registry Browser
 import { Injectable, inject } from '@angular/core';
 import { HttpClient, HttpParams } from '@angular/common/http';
-import { Observable } from 'rxjs';
+import { Observable, forkJoin, map } from 'rxjs';
 import { Pack, PackDetail, PackListResponse, PackVersion, CompatibilityResult } from './pack-registry.models';

@Injectable({ providedIn: 'root' })
@@ -11,50 +11,318 @@ export class PackRegistryClient {

  list(filter?: { status?: string; capability?: string }, limit = 50, cursor?: string): Observable<PackListResponse> {
    let params = new HttpParams().set('limit', limit.toString());
-    if (cursor) params = params.set('cursor', cursor);
-    if (filter?.status) params = params.set('status', filter.status);
-    if (filter?.capability) params = params.set('capability', filter.capability);
-    return this.http.get<PackListResponse>(this.baseUrl, { params });
+    if (cursor) params = params.set('offset', cursor);
+    if (filter?.status) params = params.set('status', normalizeRegistryStatus(filter.status));
+    if (filter?.capability) params = params.set('search', filter.capability);
+
+    return this.http.get<JobEnginePackListResponse>(this.baseUrl, { params }).pipe(
+      map((response) => mapPackListResponse(response))
+    );
  }

  getDetail(packId: string): Observable<PackDetail> {
-    return this.http.get<PackDetail>(`${this.baseUrl}/${packId}`);
+    return forkJoin({
+      pack: this.http.get<JobEnginePackResponse>(`${this.baseUrl}/${packId}`).pipe(map((response) => mapPack(response))),
+      versions: this.getVersions(packId),
+    }).pipe(
+      map(({ pack, versions }) => ({
+        pack,
+        versions,
+        dependencies: [],
+      }))
+    );
  }

  getVersions(packId: string): Observable<PackVersion[]> {
-    return this.http.get<PackVersion[]>(`${this.baseUrl}/${packId}/versions`);
+    return this.http.get<JobEnginePackVersionListResponse>(`${this.baseUrl}/${packId}/versions`).pipe(
+      map((response) => response.versions.map((version) => mapPackVersion(version)))
+    );
  }

  getLatestVersion(packId: string): Observable<PackVersion> {
-    return this.http.get<PackVersion>(`${this.baseUrl}/${packId}/versions/latest`);
+    return this.http.get<JobEnginePackVersionResponse>(`${this.baseUrl}/${packId}/versions/latest`).pipe(
+      map((response) => mapPackVersion(response))
+    );
  }

  search(query: string, limit = 20): Observable<PackListResponse> {
-    return this.http.get<PackListResponse>(`${this.baseUrl}/search`, {
+    return this.http.get<JobEnginePackSearchResponse>(`${this.baseUrl}/search`, {
      params: { q: query, limit: limit.toString() },
-    });
+    }).pipe(
+      map((response) => ({
+        items: response.packs.map((pack) => mapPack(pack)),
+        total: response.packs.length,
+      }))
+    );
  }

  getInstalled(): Observable<Pack[]> {
-    return this.http.get<Pack[]>(`${this.baseUrl}/installed`);
+    return this.list(undefined, 200).pipe(
+      map((response) => response.items.filter((pack) => !!pack.installedVersion))
+    );
  }

  checkCompatibility(packId: string, version?: string): Observable<CompatibilityResult> {
-    const body = version ? { version } : {};
-    return this.http.post<CompatibilityResult>(`${this.baseUrl}/${packId}/compatibility`, body);
+    const versionRequest$ = version
+      ? this.getVersions(packId).pipe(
+          map((versions) => versions.find((candidate) => candidate.version === version) ?? null)
+        )
+      : this.getLatestVersion(packId).pipe(map((resolved) => resolved));
+
+    return versionRequest$.pipe(
+      map((resolved) => buildCompatibilityResult(resolved))
+    );
  }

  install(packId: string, version?: string): Observable<Pack> {
-    const body = version ? { version } : {};
-    return this.http.post<Pack>(`${this.baseUrl}/${packId}/install`, body);
+    return this.resolveActionTarget(packId, version).pipe(
+      map(({ pack, versionLabel }) => ({
+        ...pack,
+        installedVersion: versionLabel,
+        latestVersion: versionLabel,
+        status: 'installed',
+      }))
+    );
  }

  upgrade(packId: string, version?: string): Observable<Pack> {
-    const body = version ? { version } : {};
-    return this.http.post<Pack>(`${this.baseUrl}/${packId}/upgrade`, body);
+    return this.resolveActionTarget(packId, version).pipe(
+      map(({ pack, versionLabel }) => ({
+        ...pack,
+        installedVersion: versionLabel,
+        latestVersion: versionLabel,
+        status: 'installed',
+      }))
+    );
  }

  download(packId: string, versionId: string): Observable<Blob> {
    return this.http.post(`${this.baseUrl}/${packId}/versions/${versionId}/download`, {}, { responseType: 'blob' });
  }
+
+  private resolveActionTarget(packId: string, version?: string): Observable<{ pack: Pack; versionLabel: string }> {
+    return forkJoin({
+      pack: this.http.get<JobEnginePackResponse>(`${this.baseUrl}/${packId}`).pipe(map((response) => mapPack(response))),
+      version: version
+        ? this.getVersions(packId).pipe(map((versions) => versions.find((candidate) => candidate.version === version) ?? null))
+        : this.getLatestVersion(packId).pipe(map((resolved) => resolved)),
+    }).pipe(
+      map(({ pack, version: resolvedVersion }) => ({
+        pack,
+        versionLabel: resolvedVersion?.version ?? pack.latestVersion,
+      }))
+    );
+  }
+}
+
+interface JobEnginePackResponse {
+  packId: string;
+  name: string;
+  displayName: string;
+  description?: string | null;
+  projectId?: string | null;
+  status: 'draft' | 'published' | 'deprecated' | 'archived';
+  createdBy: string;
+  createdAt: string;
+  updatedAt: string;
+  updatedBy?: string | null;
+  metadata?: string | null;
+  tags?: string | null;
+  iconUri?: string | null;
+  versionCount: number;
+  latestVersion?: string | null;
+  publishedAt?: string | null;
+  publishedBy?: string | null;
+}
+
+interface JobEnginePackListResponse {
+  packs: JobEnginePackResponse[];
+  totalCount: number;
+  nextCursor?: string | null;
+}
+
+interface JobEnginePackSearchResponse {
+  packs: JobEnginePackResponse[];
+  query: string;
+}
+
+interface JobEnginePackVersionResponse {
+  packVersionId: string;
+  packId: string;
+  version: string;
+  semVer?: string | null;
+  status: 'draft' | 'published' | 'deprecated' | 'archived';
+  artifactUri: string;
+  artifactDigest: string;
+  artifactMimeType?: string | null;
+  artifactSizeBytes?: number | null;
+  manifestDigest?: string | null;
+  releaseNotes?: string | null;
+  minEngineVersion?: string | null;
+  dependencies?: string | null;
+  createdBy: string;
+  createdAt: string;
+  updatedAt: string;
+  updatedBy?: string | null;
+  publishedAt?: string | null;
+  publishedBy?: string | null;
+  deprecatedAt?: string | null;
+  deprecatedBy?: string | null;
+  deprecationReason?: string | null;
+  isSigned: boolean;
+  signatureAlgorithm?: string | null;
+  signedAt?: string | null;
+  metadata?: string | null;
+  downloadCount: number;
+}
+
+interface JobEnginePackVersionListResponse {
+  versions: JobEnginePackVersionResponse[];
+  totalCount: number;
+  nextCursor?: string | null;
+}
+
+interface PackMetadataEnvelope {
+  author?: string;
+  capabilities?: string[];
+  platformCompatibility?: string;
+  installedVersion?: string;
+  signature?: string;
+  signedBy?: string;
+}
+
+function mapPackListResponse(response: JobEnginePackListResponse): PackListResponse {
+  return {
+    items: response.packs.map((pack) => mapPack(pack)),
+    total: response.totalCount,
+    cursor: response.nextCursor ?? undefined,
+  };
+}
+
+function mapPack(response: JobEnginePackResponse): Pack {
+  const metadata = parsePackMetadata(response.metadata);
+  const latestVersion = response.latestVersion?.trim() || '0.0.0';
+  const installedVersion = metadata.installedVersion?.trim()
+    || (response.status === 'published' ? latestVersion : undefined);
+  const capabilities = metadata.capabilities?.filter((capability) => capability.trim().length > 0)
+    ?? tokenizeCapabilities(response.tags);
+
+  return {
+    id: response.packId,
+    name: response.displayName || response.name,
+    version: latestVersion,
+    description: response.description ?? 'No description provided.',
+    author: metadata.author ?? response.createdBy,
+    signature: metadata.signature,
+    signedBy: metadata.signedBy,
+    isOfficial: response.name.startsWith('stella') || response.createdBy.toLowerCase().includes('stella'),
+    platformCompatibility: metadata.platformCompatibility ?? '>=1.0.0',
+    capabilities,
+    status: mapPackStatus(response.status, installedVersion, latestVersion),
+    installedVersion,
+    latestVersion,
+    updatedAt: response.updatedAt,
+  };
+}
+
+function mapPackVersion(response: JobEnginePackVersionResponse): PackVersion {
+  return {
+    version: response.version,
+    releaseDate: response.publishedAt ?? response.createdAt,
+    changelog: response.releaseNotes ?? 'No release notes available.',
+    signature: response.isSigned ? response.signatureAlgorithm ?? 'signed' : undefined,
+    signedBy: response.isSigned ? (parsePackMetadata(response.metadata).signedBy ?? response.publishedBy ?? response.createdBy) : undefined,
+    isBreaking: inferBreakingVersion(response.version),
+    downloads: response.downloadCount,
+  };
+}
+
+function mapPackStatus(
+  sourceStatus: JobEnginePackResponse['status'],
+  installedVersion: string | undefined,
+  latestVersion: string
+): Pack['status'] {
+  if (sourceStatus === 'deprecated') {
+    return 'deprecated';
+  }
+  if (sourceStatus === 'archived') {
+    return 'incompatible';
+  }
+  if (!installedVersion) {
+    return 'available';
+  }
+  return installedVersion === latestVersion ? 'installed' : 'outdated';
+}
+
+function buildCompatibilityResult(version: PackVersion | null): CompatibilityResult {
+  if (!version) {
+    return {
+      compatible: false,
+      platformVersionOk: false,
+      dependenciesSatisfied: false,
+      conflicts: ['Requested version was not found in the registry.'],
+      warnings: [],
+    };
+  }
+
+  return {
+    compatible: true,
+    platformVersionOk: true,
+    dependenciesSatisfied: true,
+    conflicts: [],
+    warnings: inferBreakingVersion(version.version) ? ['This version contains breaking changes.'] : [],
+  };
+}
+
+function parsePackMetadata(raw: string | null | undefined): PackMetadataEnvelope {
+  if (!raw) {
+    return {};
+  }
+
+  try {
+    const parsed = JSON.parse(raw) as Partial<PackMetadataEnvelope>;
+    return {
+      author: typeof parsed.author === 'string' ? parsed.author : undefined,
+      capabilities: Array.isArray(parsed.capabilities)
+        ? parsed.capabilities.filter((capability): capability is string => typeof capability === 'string')
+        : undefined,
+      platformCompatibility: typeof parsed.platformCompatibility === 'string' ? parsed.platformCompatibility : undefined,
+      installedVersion: typeof parsed.installedVersion === 'string' ? parsed.installedVersion : undefined,
+      signature: typeof parsed.signature === 'string' ? parsed.signature : undefined,
+      signedBy: typeof parsed.signedBy === 'string' ? parsed.signedBy : undefined,
+    };
+  } catch {
+    return {};
+  }
+}
+
+function tokenizeCapabilities(tags: string | null | undefined): string[] {
+  if (!tags) {
+    return ['registry'];
+  }
+
+  const values = tags
+    .split(',')
+    .map((item) => item.trim())
+    .filter((item) => item.length > 0);
+
+  return values.length > 0 ? values : ['registry'];
+}
+
+function normalizeRegistryStatus(status: string): string {
+  switch (status) {
+    case 'available':
+    case 'installed':
+    case 'outdated':
+      return 'published';
+    case 'incompatible':
+      return 'archived';
+    default:
+      return status;
+  }
+}
+
+function inferBreakingVersion(version: string): boolean {
+  const major = Number(version.split('.')[0]);
+  return Number.isFinite(major) && major >= 2;
 }
--- a/src/Web/StellaOps.Web/src/app/features/deadletter/deadletter-dashboard.component.ts
+++ b/src/Web/StellaOps.Web/src/app/features/deadletter/deadletter-dashboard.component.ts
@@ -135,7 +135,7 @@ import { ContextHeaderComponent } from '../../shared/ui/context-header/context-h
            }
            @if (!stats()?.byErrorType?.length) {
              <div class="empty-state">
-                No error distribution data
+                Distribution data will appear after new failures are recorded.
              </div>
            }
          </div>