Fix: Remove broken getKlausurApiUrl and clean up empty lines

sed replacement left orphaned hostname references in story page
and empty lines in getApiBase functions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

admin-lehrer/app/(admin)/infrastructure/tests/_lib/constants.ts

@@ -0,0 +1,31 @@
+import type { ServiceTestInfo, TestRegistryStats } from '../types'
+
+// API Configuration
+export const API_BASE = '/api/tests'
+
+// Demo data for when API is not available
+export const DEMO_SERVICES: ServiceTestInfo[] = [
+  { service: 'consent-service', display_name: 'Consent Service', port: 8081, language: 'go', total_tests: 22, passed_tests: 20, failed_tests: 2, skipped_tests: 0, pass_rate: 90.9, coverage_percent: 82.3, last_run: new Date().toISOString(), status: 'failed' },
+  { service: 'backend', display_name: 'Python Backend', port: 8000, language: 'python', total_tests: 40, passed_tests: 38, failed_tests: 2, skipped_tests: 0, pass_rate: 95.0, coverage_percent: 75.1, last_run: new Date().toISOString(), status: 'failed' },
+  { service: 'voice-service', display_name: 'Voice Service', port: 8091, language: 'python', total_tests: 5, passed_tests: 5, failed_tests: 0, skipped_tests: 0, pass_rate: 100, coverage_percent: 68.9, last_run: new Date().toISOString(), status: 'passed' },
+  { service: 'bqas-golden', display_name: 'BQAS Golden Suite', port: 8091, language: 'python', total_tests: 97, passed_tests: 89, failed_tests: 8, skipped_tests: 0, pass_rate: 91.7, coverage_percent: undefined, last_run: new Date().toISOString(), status: 'failed' },
+  { service: 'bqas-rag', display_name: 'BQAS RAG Tests', port: 8091, language: 'python', total_tests: 20, passed_tests: 18, failed_tests: 2, skipped_tests: 0, pass_rate: 90.0, coverage_percent: undefined, last_run: new Date().toISOString(), status: 'failed' },
+  { service: 'klausur-service', display_name: 'Klausur Service', port: 8086, language: 'python', total_tests: 8, passed_tests: 8, failed_tests: 0, skipped_tests: 0, pass_rate: 100, coverage_percent: 71.2, last_run: new Date().toISOString(), status: 'passed' },
+  { service: 'billing-service', display_name: 'Billing Service', port: 8082, language: 'go', total_tests: 5, passed_tests: 5, failed_tests: 0, skipped_tests: 0, pass_rate: 100, coverage_percent: 78.5, last_run: new Date().toISOString(), status: 'passed' },
+  { service: 'school-service', display_name: 'School Service', port: 8084, language: 'go', total_tests: 6, passed_tests: 6, failed_tests: 0, skipped_tests: 0, pass_rate: 100, coverage_percent: 81.4, last_run: new Date().toISOString(), status: 'passed' },
+  { service: 'sdk-unit', display_name: 'SDK Unit Tests (Vitest)', port: undefined, language: 'typescript', total_tests: 43, passed_tests: 43, failed_tests: 0, skipped_tests: 0, pass_rate: 100, coverage_percent: 85.2, last_run: new Date().toISOString(), status: 'passed' },
+  { service: 'sdk-e2e', display_name: 'SDK E2E Tests (Playwright)', port: undefined, language: 'typescript', total_tests: 25, passed_tests: 25, failed_tests: 0, skipped_tests: 0, pass_rate: 100, coverage_percent: undefined, last_run: new Date().toISOString(), status: 'passed' },
+  { service: 'integration-tests', display_name: 'Integration Tests', port: undefined, language: 'python', total_tests: 15, passed_tests: 15, failed_tests: 0, skipped_tests: 0, pass_rate: 100, coverage_percent: undefined, last_run: new Date().toISOString(), status: 'passed' },
+]
+
+export const DEMO_STATS: TestRegistryStats = {
+  total_tests: 278,
+  total_passed: 263,
+  total_failed: 15,
+  total_skipped: 0,
+  overall_pass_rate: 94.6,
+  average_coverage: 78.5,
+  services_count: 11,
+  by_category: { unit: 118, bqas: 117, e2e: 30, integration: 15 },
+  by_framework: { go_test: 57, pytest: 68, bqas_golden: 97, bqas_rag: 20, jest: 8, vitest: 43, playwright: 30 },
+}