feat: add configurable infrastructure alerts

api/src/infrastructure-monitoring/infrastructure-alert-settings.service.spec.ts

@@ -0,0 +1,19 @@
+import { BadRequestException } from '@nestjs/common';
+import { DEFAULT_ALERT_THRESHOLDS, InfrastructureAlertSettingsService } from './infrastructure-alert-settings.service';
+
+describe('InfrastructureAlertSettingsService', () => {
+  const service = new InfrastructureAlertSettingsService({} as never, { get: () => undefined } as never);
+
+  it('accepts the fixed threshold whitelist and renders managed rules', () => {
+    const validated = (service as unknown as { validate(value: unknown): unknown }).validate(DEFAULT_ALERT_THRESHOLDS);
+    const rules = (service as unknown as { renderRules(value: unknown): string }).renderRules(validated);
+    expect(rules).toContain('HostCpuUsageWarning');
+    expect(rules).toContain('CmppGatewayQueueDelayedCritical');
+    expect(rules).toContain('threshold: "120秒"');
+  });
+
+  it('rejects unknown keys and warning thresholds that are not below critical', () => {
+    expect(() => (service as unknown as { validate(value: unknown): unknown }).validate({ ...DEFAULT_ALERT_THRESHOLDS, promql: { warning: 1, critical: 2 } })).toThrow(BadRequestException);
+    expect(() => (service as unknown as { validate(value: unknown): unknown }).validate({ ...DEFAULT_ALERT_THRESHOLDS, hostCpu: { warning: 90, critical: 90 } })).toThrow(BadRequestException);
+  });
+});